Yaskawa AC Drive Z1000 Bypass Technical Manual User Manual

YASKAWA AC Drive Z1000 MANUAL NO. SIEP YAIZ1B 01DAC Drive Bypass for HVAC Fans and PumpsTechnical ManualModels: 208 V: 1/2 to 100 HP480 V: 3/4 to 25

Writing Bypass Parameters... 370Enter Comman

Step Display/Result7.Press to view the current setting value (30.0 s). The leftmost digit flashes.DRV-OFF(0.1-6000.0)"30.0sec"Decel Time

uSimplified Setup Using the Quick Setting GroupThe Quick Setting Group lists only the basic parameters necessary to set up the Z1000 Bypass. This grou

No. Name Description Values PageZ3-03(8502)Serial CommunicationsBaud Rate SelectBaud RateSelects the bypass serial communications speed.0: 12001: 2400

4.4 Powering Up the DriveuPowering Up the Drive and Operation Status DisplaynPowering Up the DriveReview the following checklist before turning the po

4.5 Start-Up ProcedureFollow the steps and procedures outlined below to help ensure proper start-up of the Z1000 Bypass.uBypass Start-Up Preparation1.

11.Record all other connections to the Z1000 Bypass by terminal number to determine if special programming of any ofthe following is required:Multi-fu

Step Display/Result7.Press or until the Quick Settings Menu screen is displayed.DRV-OFF Quick SettingDATAHELP8.Press to access the Quick Setti

Step Display/Result8.Press F1, F2, or to navigate the cursor through the numerical positions. Use and to change the value of the selected numeri

4.6 Application SelectionSeveral Application Presets are available to facilitate drive setup for commonly used applications. Selecting one of theseApp

No. Parameter Name Default Settingb5-13 PI Feedback Low Detection Level 2%b5-14 PI Feedback Low Detection Time 25 sC1-01 Acceleration Time 1 60 sH3-01

Network Termination ... 406Recomme

uSetting 6: Pump (Secondary) ApplicationTable 4.11 Pump (Secondary): Parameter SettingsNo. Parameter Name Default Settingb1-04 Reverse Operation Selec

4.7 Auto-TuninguTypes of Auto-TuningRefer to the tables below to select the type of Auto-Tuning that bests suits the application.nAuto-Tuning for Indu

Table 4.15 Auto-Tuning Input DataMotor Type Auto-Tuning Type Digital Input Digital OutputInductionMotorStationary Auto-Tuning for Line-to-Line Resista

Step Display/Result5.Save the setting by pressing .Entry Accepted6. The display automatically returns to the display shown in Step 3.DRV-OFFT1-01=

nStarting Auto-TuningWARNING! Sudden Movement Hazard. The drive and motor may start unexpectedly during Auto-Tuning, which could result in death orser

nT1-04: Motor Rated CurrentSets the motor rated current according to the motor nameplate value. Enter the current at the motor base speed.No. Name Set

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Programming5.1 A: INITIALIZATION...1185.2 B: APPLICATION...

5.1 A: InitializationThe initialization group contains parameters associated with initial drive setup, including parameters involving the displaylangu

5.2 b: Applicationub1: Operation Mode Selectionnb1-03: Stopping Method SelectionSelects how the drive stops the motor when the Run command is removed

H.1 Z1000 Bypass and Motor Specifications...442Z1000 Bypass Specifications ...

Motor coastsDC Injection Braking with the current set in b2-02Run commandOutput frequencyON OFFMotor speedMinimum Baseblock Time (L2-03)Figure 5.2 D

Min output frequency100%(Max output frequency)Output frequency when Stop command was enteredRun wait time tActive deceleration timeMomentary Power Lo

nb2-03: DC Injection Braking Time at StartSets the time of DC Injection Braking at start. Used to stop a coasting motor before restarting it or to app

Run commandOutput frequencyOutput currentOFF ONb3-02Decel time setset to b3-03Waits for twice as long as L2-04SelectedfrequencyreferenceMinimum Baseb

This feature injects the amount of DC current set to b3-06 to the motor and detects the speed by measuring the current feedback.The drive then outputs

Method 4. After momentary power loss.This mode requires that the Power Loss Ride-Thru function is enabled during CPU operation (L2-01 = 1 or 2). Refer

No. Name Setting Range Defaultb3-06 Output Current 1 during Speed Search 0.0 to 2.0Determined byo2-04Note: Use Current Detection Speed Search if Speed

Setting 0: DisabledThe drive uses the frequency reference to determine the direction of motor rotation to restart the motor.Setting 1: EnabledThe driv

Setting 0: Triggered when a Run Command Is Issued (Normal)Setting 1: Triggered when an External Baseblock Is Releasedub5: PI ControlThe drive has a bu

PI Setpoint Source SettingsParameter b5-19 Set parameter b5-18 = 1 and input the PI setpoint to b5-19Note: A duplicate allocation of the PI setpoint i

Preface & General SafetyThis section provides safety messages pertinent to this product that, if not heeded, may result in fatality,personal injur

nPI Block DiagramFigure 5.12 PI Block Diagram5.2 b: Application130YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual

nb5-01: PI Function SettingEnables or disables the PI operation and selects the PI operation mode.No. Parameter Name Setting Range Defaultb5-01 PI Fun

nb5-09: PI Output Level SelectionReverses the sign of the PI controller output signal. Normally a positive PI input (feedback smaller than setpoint) l

PI feedback valuePIFeedback Detection Loss Level(b5-13)PI FeedbackLoss Detection Time (b5-14)No FbLdetectionFbL detectionTimePI FeedbackLoss Detectio

nb5-14: PI Feedback Low Detection TimeSets the time that the PI feedback has to fall below b5-13 before feedback loss is detected.No. Name Setting Ran

nb5-15: PI Sleep Function Start LevelSets the level that triggers PI Sleep/Snooze.The drive goes into Sleep/Snooze mode if the PI output or frequency

Setting 1: %The setpoint and PI monitors are displayed as a percentage with a resolution of 0.01%.Setting 2: r/minThe setpoint and PI monitors are dis

Setting 0: “WC (Inch of Water)Setting 1: PSI (Pounds per Square Inch)Setting 2: GPM (Gallons per Minute)Setting 3: F (Degrees Fahrenheit)Setting 4: CF

Goal Tuning Procedure ResultSuppress long cycle oscillations(longer than the integral time setting)Increase the integral time (b5-03)ResponseBefore ad

5.4 C: TuningC parameters set the characteristics for acceleration, deceleration, and S-curves. Other parameters in the C group cover settingsfor slip

i.1 PrefaceYaskawa manufactures products used as components in a wide variety of industrial systems and equipment. The selection andapplication of Yas

C2-02C2-010.20 s<1>0.20 s <1>C2-02C2-010.20 s <1>0.20 s <1>FWD runREV runOutputfrequency<1> S-Curve characteristic at De

Guidelines for Carrier Frequency Parameter SetupSymptom RemedySpeed and torque are unstable at low speedsLower the carrier frequency.Noise from the dr

5.5 d: Reference SettingsThe figure below gives an overview of the reference input, selections, and priorities.ud1: Frequency Referencend1-01 to d1-04

ud2: Frequency Upper/Lower LimitsUpper and lower frequency limits prevent motor speed from going above or below levels that may cause resonance orequi

ud3: Jump Frequencynd3-01 to d3-04: Jump Frequencies 1, 2, 3 and Jump Frequency WidthThe Jump frequencies are frequency ranges at which the drive will

5.6 E: Motor ParametersE parameters cover V/f pattern and motor data settings.uE1: V/f Pattern for Motor 1nE1-01: Input Voltage SettingAdjusts the lev

Setting Specification Characteristic Application8 50 Hz, Mid starting torqueHigh starting torqueSelect high starting torque when:• Wiring between the

Predefined V/f Patterns for Models Z1B1D030 to D211 and Z1B1B014 to B096The values in the following graphs are specific to 208 Vac. Double the values

Predefined V/f Patterns for Models Z1B1D273 and Z1B1B124 to B302The values in the following graphs are specific to 208 Vac. Double the values for 480

uE2: Motor 1 ParametersThese parameters contain the motor data needed for motor 1. Enter the motor data into these parameters when Auto-Tuningcannot b

uSymbolsNote: Indicates a supplement or precaution that does not cause drive damage.TERMSTERMSIndicates a term or definition used in this manual.uTerm

5.7 F: OptionsuF6: Drive/Bypass CommunicationsnF6-01: Communications Error Operation SelectionDetermines drive operation when a communication error oc

5.8 H: Terminal FunctionsH parameters assign functions to the external terminals.uH1: Multi-Function Digital InputsnH1-03 to H1-07: Functions for Term

StatusDrive OperationUp (10) Down (11)Open Open Hold current frequency referenceClosed Open Increase frequency referenceOpen Closed Decrease frequency

Setting 14: Fault ResetWhen the drive detects a fault condition, the fault output contact closes, the drive output shuts off, and the motor coasts tos

Table 5.21 Multi-Function Digital Output Terminal SettingsSetting Function Page0 During Run 1 1541 Zero Speed 1542 Speed Agree 1 1543 User-Set Speed A

Status DescriptionOpen Output frequency or motor speed does not match the frequency reference while the drive is running.Closed Output frequency or mo

L4-02Frequency detection 1ONOFFL4-02L4-01L4-01Output Frequency or Motor SpeedFigure 5.26 Frequency Detection 1 Time ChartSetting 5: Frequency Detecti

Status DescriptionOpen Drive is not in a baseblock state.Closed Baseblock is being executed.Settings B and 17: Torque Detection 1 (N.O., N.C.)These di

Status DescriptionOpen Output frequency or motor speed and frequency reference are both outside the range of L4-03 ±L4-04.Closed Output frequency or m

L4-04Frequency Detection 4ONOFFL4-03Output Frequency or Motor SpeedFigure 5.31 Frequency Detection 4 Example with Positive L3-04 ValueSetting 1A: Duri

i.2 General SafetyuSupplemental Safety InformationGeneral Precautions• The diagrams in this manual may be indicated without covers or safety shields t

Status DescriptionOpen Drive is stopped or one of the following functions is being performed: baseblock, DC Injection Braking, Short Circuit Braking.C

Setting 1: 0 to 10 V without Zero LimitThe input level is 0 to 10 Vdc without zero limit. If the resulting voltage is negative after being adjusted by

02.0 V 10 V100 %Frequency reference-25%H3-01 = 0H3-01 = 1H3-01 = 0Analog Input VoltageFigure 5.35 Frequency Reference Setting by Analog Input with Neg

nH3-14: Analog Input Terminal Enable SelectionWhen one of the multi-function digital input parameters is set for “Analog input enable” (H1-oo = C), th

Setting 3: Auxiliary Reference 2Sets the auxiliary frequency reference 2 when multi-step speed operation is selected. Refer to Multi-Step Speed Select

Setting 9: Output Frequency Lower Limit LevelThe user can adjust the lower limit of the output frequency using an analog input signal.Setting B: PI Fe

nH4-02, H4-03: Multi-Function Analog Output Terminal FM Gain and BiasH4-05, H4-06: Multi-Function Analog Output Terminal AM Gain and BiasParameters H4

No. Name Setting Range DefaultH4-07Multi-Function Analog Output Terminal FMSignal Level Selection0, 2 0H4-08Multi-Function Analog Output Terminal AMSi

5.9 L: Protection FunctionsuL1: Motor ProtectionnL1-01: Motor Overload Protection SelectionThe drive has an electronic overload protection function th

nL1-02: Motor Overload Protection TimeSets the detection time of motor overheat due to overload. This setting rarely requires adjustment, but should c

uSafety Messages WARNINGHeed the safety messages in this manual.Failure to comply could result in death or serious injury.The operating company is res

nL2-02: Momentary Power Loss Ride-Thru TimeSets the maximum time allowed to ride through a power loss. If power loss operation exceeds this time, the

nL3-03: Stall Prevention Limit during AccelerationThe Stall Prevention level is automatically reduced when the motor is operated in the constant power

Setting 2: Intelligent Stall PreventionThe drive adjusts the deceleration rate so the DC bus voltage is kept at the level set to parameter L3-17<1&

nL3-25: Load Inertia RatioDetermines the ratio between the rotor inertia and the load. Set this parameter when using Single Drive KEB 2(L2-29 = 1<1

uL5: Fault RestartAfter a fault has occurred, Fault Restart attempts to automatically restart the motor and continue operation instead of stopping.The

Setting 0: No Fault Output Auto-Restart - Cancel EarlyFault output disabled (L5-02 = 0)Run commandFault conditionFault displayFault digital outputOutp

• The RESET key is pushed after the last reset attempt.The setting of parameter L5-02 determines whether the fault output (MA-MB) will be closed durin

Motor current / torqueL6-0210 % hysteresisTorque detection 1 (NO) or Torque detection 2 (NO)L6-03ONL6-0310 % hysteresisONFigure 5.48 Overtorque De

Setting 7: UL3 at Speed Agree (Fault)Undertorque detection is active only when the output speed is equal to the frequency reference (i.e., no detectio

No. Name Setting Range DefaultL6-14 Motor Underload Protection Level at Minimum Frequency 0 to 300% 15%uL8: Drive ProtectionnL8-02: Overheat Alarm Lev

NOTICEObserve proper electrostatic discharge procedures (ESD) when handling the drive and circuit boards.Failure to comply may result in ESD damage to

Setting 2: Fault when Two Phases Are LostAn output phase loss fault (LF) is triggered when two or more output phases are lost. The output shuts off an

5.10 n: Special AdjustmentsThese parameters control a variety of specialized adjustments and functions, including Hunting Prevention and High SlipBrak

nn3-13: Overexcitation Deceleration GainMultiplies a gain to the V/f pattern output value during Overexcitation Deceleration to determine the level of

5.11 o: Operator-Related SettingsThese parameters control the various functions, features, and display of the HOA keypad.uo1: HOA Keypad Display Selec

no1-10: User-Set Display Units Maximum ValueDetermines the display value that is equal to the maximum output frequency.No. Name Setting Range Defaulto

Setting 1: Reset Fault DataResets the data for the U2-oo, U3-oo, and UB-09 to UB-16 monitors. Setting o4-11 to 1 and pressing the ENTER keyerases faul

5.12 S: Special ParametersuS1: Dynamic Audible Noise Control FunctionThe Dynamic Audible Noise Control Function reduces audible noise by suppressing t

nS1-04: Voltage Restoration Complete LevelSets the level at which voltage restoration for the V/f pattern is complete as a percentage of the drive rat

Sequence Timers 2 to 4These timers operate identically to Sequence Timer 1. Parameters S2-06 to S2-20 configure Sequence Timers 2 to 4.PriorityIf mult

No. Name Setting Range DefaultS2-19 Sequence Timer 4 Selection 0 to 2 0Setting 0: Digital Output OnlySetting 1: RunSetting 2: Run - PI DisablenS2-05/S

DC Injection BrakingNOTICE: Excessive current during DC Injection Braking and excessive duration of DC Injection Braking can cause motor overheat.Acce

Mon Tue Wed Thur Fri Sat Sun0:001:002:003:004:005:006:00Sequence Timer 3Run at d1-037:008:009:0010:0011:0012:0013:0014:0015:0016:0017:00 Sequence Time

Mon0:00Sequence Timer 21:00(cont.)2:003:004:005:006:00Sequence Timer 2Run at d1-037:008:009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:002

0:001:002:003:004:005:006:007:008:009:00Sequence Timer 3Run at d1-0310:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00Mon SunSatFr

5.13 T: Motor TuningAuto-Tuning automatically sets and tunes parameters required for optimal motor performance.Refer to T: Motor Tuning on page 332 fo

5.14 U: Monitor ParametersMonitor parameters let the user view various aspects of drive performance using the HOA keypad display. Some monitorscan be

5.15 Z: Bypass ParametersZ parameters control bypass-specific functions.uZ1: Bypass Control SystemnZ1-01: InitializeSets parameters to default values.

Setting 4: HAND-BYPASSWhen drive powers up , the bypass will get a "HAND” command and needs an “OFF” command to stop.nZ1-07: Speed Reference Sele

Input terminals A1 and A2 can accept a current input signal. Refer to Table 5.27 to set terminals A1 and A2 for current input.Table 5.27 Analog Input

No. Name Setting Range DefaultZ1-09 HAND Mode Drive Speed Reference0.0 to 60.0 Hz <1>10.0 Hz <1><1> Values are given in Hz, but actu

<1> Values are given in Hz, but actual values are dependent upon unit settings using drive parameters o1-03, o1-09, o1-10, and o1-11.nZ1-15: Int

Copyright © 2012 YASKAWA AMERICA, INC. All rights reserved.No part of this publication may be reproduced, stored in a retrieval system, or transmitte

Geared MotorMake sure that the gear and the lubricant are rated for the desired speed range to avoid gear damage when operating at lowspeeds or very h

VFD RUN COMMANDVFD OUTPUT FREQUENCYDAMPER ACTUATOR OUTPUTBAS INTERLOCK INPUT2t1tVFD FREQUENCY REFERENCEParameter Settings:Z1-12 Run Delay Time = 0.0 s

Figure 5.59 Run Delay with Preset Speed Example: Preset Speed with Run DelaynZ1-16 to Z1-25: Bypass Energy SavingsAllows saving energy and reducing ha

7. Then the drive catches a spinning motor via Speed Search and follows frequency reference to take control.Refer to Figure 5.60 for an example of the

No. Name Setting Range DefaultZ1-19 Energy Savings Mode Frequency Reference Deadband0.0 to 5.0 Hz <1>0.5 Hz <1><1> Values are given

nZ1-28: Phase Loss Brownout Detection TimeSets the time that the input voltage is continuously measured to be below the Brownout Voltage level before

No. Name Setting Range DefaultZ1-36 Loss of Load Bypass Time 0.0 to 300.0 1.0 snZ1-37: Set TimeChanges the LCD display to time setting to set the Real

Setting 1: AnalogAn analog input sets the frequency reference when in HAND Mode.Note: 1. Set H3-02 to “1F - HAND Mode” when using Terminal A1 for HAND

No. Name Setting Range DefaultZ2-05 Digital Input 5 Function Select 0 to 36 25Z2-06 Digital Input 6 Function Select 0 to 36 0Z2-07 Digital Input 7 Fun

Setting 22: Run Enable (Safety)Stops the drive from running regardless of Z1-08 setting. Z2-31 controls the message displayed on the HOA keypad when t

Setting 37: Run Reverse (AUTO Mode)Starts and stops the bypass in reverse when Z1-08 is set to 1.nZ2-09 to Z2-16: Digital Input 1 to 8 Invert SelectNo

Warning Label危　険据え付け、運転の前には必ず取扱説明書を読むこと。通電中および電源遮断後5分以内はフロントカバーを外さない事。級インバータの場合は、電源の中性点が接地されていることを確認すること ( 対応）保守・点検、配線を行う場合は、出力側開閉器を遮断後5分待って実施してくだ

<1> Availalbe in bypass controller software versions VST800298 and later.nZ2-31: Safety Open Message Selection Sets the fault message displayed

Setting 6: Vibration SwitchLOREESCRUN STOPENTERRESETDIGITAL OPERATORLOREESCRUN STOPENTERRESETDIGITAL OPERATORALMALMBYP-VIBRATION SWBYP-FAULTEDDRV/BYPF

No. Name Setting Range DefaultZ3-05 Serial Communications Fault Select 0 to 4 1Setting 0: IgnoreSetting 1: Alarm OnlySetting 2: Fault with EF0An EF0 f

Setting 1: EnabledBehavior defined by Z3-05.nZ3-12: Network Digital Input SelectDetermines whether the serial communication digital input simulation i

nZ4-13: Address Startup ModeSelects the option address setting method.No. Name Setting Range DefaultZ4-13 Address Startup Mode 0 to 2 2Setting 0: User

No. Parameter Name Setting Range DefaultZ4-23 DOA116 1 0 to FFFFH 0Z4-24 DOA116 2 0 to FFFFH 0Z4-25 DOA116 3 0 to FFFFH 0Z4-26 DOA116 4 0 to FFFFH 0Z4

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Diagnostics & TroubleshootingThis chapter provides descriptions of the Z1000 Bypass faults, alarms, errors, related displays, andguidance for trou

6.1 Section Safety DANGERElectrical Shock HazardBefore servicing, disconnect all power to the equipment. The internal capacitor remains charged even a

WARNINGDo not use improper combustible materials.Failure to comply could result in death or serious injury by fire.Attach the drive to metal or other

Figure i.4 Warning Information Example BWarning Label A (inside enclosure)Warning Label BFigure i.5 Bypass Warning Label Locationsi.2 General Safety22

6.2 Motor Performance Fine-TuningThis section offers helpful information for counteracting oscillation, hunting, and other problems that occur while p

6.3 Drive Alarms, Faults, and ErrorsuTypes of Alarms, Faults, and ErrorsCheck the HOA keypad for information about possible faults if the drive or mot

uAlarm and Error DisplaysnFaultsTable 6.4 gives an overview of possible fault codes. Conditions such as overvoltages can trip faults and alarms. It is

nMinor Faults and AlarmsRefer to Table 6.5 for an overview of possible alarm codes. Conditions such as overvoltages can trip faults and alarms. It isi

6.4 Fault DetectionuFault Displays, Causes, and Possible SolutionsFaults are detected for drive protection, and cause the drive to stop while triggeri

The drive tried to adjust the current offset valuebeyond the allowable range. This is due to residualinduction current in the motor (e.g., during sudd

Cause Possible SolutionHardware is damaged• Cycle power to the drive.• If the problem continues, replace the control board or the entire drive. Contac

Internal cooling fan has malfunctioned• Cycle power to the drive.• Check for fan operation.• Verify the cumulative operation time of the fan with moni

The maximum output frequency is set incorrectly Check the E1-03 setting.Multiple motors are running off the same bypass Set L1-01 to 0 to disable the

HOA Keypad Display Fault NameFB10No Drive CommsNote: A fault reset is required. An EF0 is not sent to the drive and Bypass contactor K3 is notaffected

uWarranty InformationnScope of WarrantyInspectionsCustomers are responsible for periodic inspections of the drive. Upon request, a Yaskawa representat

Communication Error timeout time not setproperly.Verify the setting of the serial communications fault time (Z3-06) is set properly.Controller is not

Motor insulation is damaged• Check the insulation resistance of the motor.• Replace the motor.A damaged motor cable is creating a short circuit• Check

One of the motor cables has shorted out or there isa grounding problem• Check the motor cables.• Remove the short circuit and reapply power to the dri

Cause Possible SolutionSurrounding temperature is too high• Check the temperature surrounding the drive.• Improve the air circulation within the enclo

The electrical thermal protection characteristicsand motor overload characteristics do not match• Check the motor characteristics.• Correct the type o

HOA Keypad Display Fault NameoPrHOA Keypad Connection FaultThe HOA keypad has been disconnected from the drive.Note: An oPr fault will occur when The

There is phase loss in the drive input power• Check for wiring errors in the main circuit drive input power.• Correct the wiring.There is loose wiring

There is a fault on the machine side Check the load for any problems.HOA Keypad Display Fault NameUL6Motor UnderloadThe weight of the load has fallen

HOA Keypad Display Fault NamevoFOutput Voltage Detection FaultProblem detected with the voltage on the output side of the drive.Cause Possible Solutio

6.5 Alarm DetectionuAlarm Codes, Causes, and Possible SolutionsAlarms are drive protection functions that do not necessarily cause the drive to stop.

i.2 General SafetyThis Page Intentionally Blank24YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual

Controller is not sending data soon enough to stopthe timeout.Verify the scan rate in the controller that is communicating with the bypass controller

A data error occurred due to noise• Check options available to minimize the effects of noise.• Take steps to counteract noise in the control circuit w

Parameter settings for b5-13 and b5-14 areincorrectCheck parameters b5-13 and b5-14.PI feedback wiring is faulty Correct the wiring.Feedback sensor ha

HOA Keypad Display Minor Fault NameoHHeatsink OverheatThe temperature of the heatsink exceeded the overheat pre-alarm level set to L8-02 (90-100 °C).D

The motor is short-circuited• Check the motor power cable, relay terminals and motor terminal box for short circuits.• Correct grounding shorts and tu

Loose wiring in the drive input power terminals• Ensure the terminals have been properly tightened.• Apply the tightening torque to the terminals as s

6.6 Programming ErrorsuProgramming Error Codes, Causes, and Possible SolutionsA Programming Error (oPE) occurs when a contradictory parameter is set o

HOA Keypad Display Error NameoPE05 Run Command/Frequency Reference Source Selection ErrorCause Possible SolutionsFrequency reference is assigned to an

HOA Keypad Display Error NameoPE28Sequence Timer ErrorOne or more of the sequence timers is not set in the correct order.Cause Possible SolutionsOne o

6.7 Auto-Tuning Fault DetectionWhen the Auto-Tuning faults shown below are detected, the fault is displayed on the operator and the motor coasts to a

ReceivingThis chapter explains how to inspect the Z1000 Bypass upon receipt, and gives an overview of thedifferent enclosure types and components.1.1

HOA Keypad Display Error NameEr-03 OFF Button InputCause Possible SolutionsAuto-Tuning canceled by pressing the OFF button Auto-Tuning did not complet

6.8 Diagnosing and Resetting FaultsWhen a fault occurs and the drive stops, follow the instructions below to remove whatever conditions triggered the

uFault Reset MethodsWhen a fault occurs, the cause of the fault must be removed and the drive must be restarted. The table below lists the differentwa

6.9 Troubleshooting without Fault DisplayThis section describes troubleshooting problems that do not trip an alarm or fault.The following symptoms ind

Cause Possible SolutionsUndervoltage was detected.• Check the drive input power voltage by looking at the DC bus voltage (U1-07).• Check all main circ

nMotor Rotates in the Opposite Direction from the Run CommandCause Possible SolutionsPhase wiring between the drive and motor is incorrect.• Check the

uoPE02 Error Occurs When Lowering the Motor Rated Current SettingCause Possible SolutionsMotor rated current and the motor no-load currentsetting in t

Cause Possible SolutionsPI control is enabled, and the drive is consequentlyadjusting the output frequency to match the PI setpoint.The drive will onl

nOscillation or HuntingCause Possible SolutionsGain is too low when using PI control. Refer to b5: PI Control on page 128 for details.The frequency re

uMotor Does Not Restart after Power LossCause Possible SolutionsThe Run command was not issued again when powerwas restored.• Check the sequence and w

1.1 Section SafetyNOTICEObserve proper electrostatic discharge procedures (ESD) when handling the drive and circuit boards.Failure to comply may resul

6.9 Troubleshooting without Fault DisplayThis Page Intentionally Blank260YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Ma

Periodic Inspection & MaintenanceThis chapter describes the periodic inspection and maintenance of the Z1000 Bypass to ensure that itreceives the

7.1 Section Safety WARNINGElectrical Shock HazardDo not connect or disconnect wiring while the power is on.Failure to comply could result in death or

NOTICEObserve proper electrostatic discharge procedures (ESD) when handling the drive and circuit boards.Failure to comply may result in ESD damage to

7.2 InspectionPower electronics have limited life and may exhibit changes in characteristics or performance deterioration after years of useunder norm

uRecommended Periodic InspectionTable 7.2 outlines the recommended periodic inspections for Yaskawa drive installations. Although periodic inspections

Inspection Area Inspection Points Corrective Action CheckedAir DuctInspect air intake and exhaust openings. They must befree from obstruction and prop

7.3 Periodic MaintenanceThe drive has Maintenance Monitors that keep track of component wear. This feature provides advance maintenance warningand eli

nAlarm Outputs for Maintenance MonitorsAn output can be set up to inform the user when a specific components has neared its expected performance life.

7.4 HOA Keypad Battery ReplacementThe HOA keypad contains a monitor battery that allows the user to check drive functions. The battery requires period

1.2 General DescriptionuControl Mode DetailsTable 1.1 gives an overview of the various features associated with the Z1000 Bypass.Table 1.1 Control Mod

If there is a problem with the entered time, the operator will indicate “Input error” and the screen will return to the time settingdisplay.Canceling

7.5 Drive Cooling FansNOTICE: Follow cooling fan replacement instructions. The cooling fan cannot operate properly when installed incorrectly and coul

Z1000 BypassModel Z1B1DriveModel CIMR-ZoDrive CoolingFansDriveCirculation FansDrive ControlBoard CoolingFansBypassEnclosureFansPageB156 4A0156 2 – – 1

uCooling Fan Replacement: 2A0011 to 2A0059, 4A0005 to 4A0040, and 4A0052ooBWhen the heatsinks are externally mounted, these models enable access to th

ABA – Protective tube B – Fan connectorFigure 7.5 Remove the Fan Connector: 2A0011 to 2A0059, 4A0005 to 4A0040, and 4A0052ooB4.Pull back on the hook t

nInstalling the Cooling Fan: 2A0011 to 2A0059, 4A0005 to 4A0040, and 4A0052ooBNOTICE: Prevent Equipment Damage. Follow cooling fan replacement instruc

Figure 7.10 Plug the Fan Connector: 2A0011 to 2A0059, 4A0005 to 4A0040, and 4A0052ooB5.Push the fan connector and protective tube into the fan finger

uCooling Fan Replacement: 2A0075 to 2A0114, 4A0052ooA, and 4A0065 to 4A0096When the heatsinks are externally mounted, these models enable access to th

ABA – Protective tube B – Fan connectorFigure 7.15 Remove the Fan Connector: 2A0075 to 2A0114, 4A0052ooA, and 4A0065 to 4A00964.Pull back on the two f

Figure 7.17 Insert the Left-Side Cooling Fan into the Fan Finger Guard: 2A0075 to 2A0114, 4A0052ooA, and 4A0065to 4A00962.Make sure that the left-side

1.3 Model Numbers and Nameplate ChecksPlease perform the following tasks after receiving the Z1000 Bypass• Inspect the Z1000 Bypass for damage.If the

AA –Alignment notches should fit into the corresponding protrusions.Figure 7.20 Check the Placement of the Fan Finger Guard: 2A0075 to 2A0114, 4A0052o

Figure 7.23 Reattach the Cooling Fan and Fan Finger Guard: 2A0075 to 2A0114, 4A0052ooA, and 4A0065 to 4A00967.5 Drive Cooling FansYASKAWA ELECTRIC SIE

uCooling Fan Replacement: 4A0124WARNING! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to comply can res

Figure 7.26 Remove the Drive Cover: 4A01244.Pull out the relay connector and loosen the cap of the cable gland to remove the fan cable.AA –Relay conne

ABCDAAA – Sealing nutB – Clamping clawC – Sealing insertD – Cable gland bodyFigure 7.29 Cooling Fan Cable Gland: 4A01247.Pull the clamp claw and seali

ABCA – Sealing nutB – Sealing insertC – Clamping clawFigure 7.31 Remove the Cable Gland: 4A01249.Turn the fan unit over and replace the cooling fan. I

2.Assemble the clamping claw and sealing insert.Note: The clamping claw and sealing insert should fit together so that no opening remains and the seal

Figure 7.37 Insert the Cooling Fan Unit: 4A01246.Reverse procedure steps 2 and 3 in Removing and Disassembling the Cooling Fan Unit: 4A0124 to reatta

uCooling Fan Replacement: 2A0143 to 2A0273, 4A0156 to 4A0240WARNING! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is o

Figure 7.41 Remove the Cooling Fan Unit: 2A0143 to 2A0273, 4A0156 to 4A02404.Remove the fan guards and replace the cooling fans.ABA – Fan guards B – C

uBypass NameplateThe nameplate is located on the inside right wall of the Z1000 Bypass enclosure.The nameplate shown below is an example for a standar

uCooling Fan Replacement: 2A0343 and 2A0396WARNING! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to com

ACDBA – Fan guardB – Cable coverC – Cooling fanD – Circulation fanFigure 7.46 Fan Unit Disassembly: 2A0343 and 2A0396nCooling Fan Wiring: 2A0343 and 2

nInstalling the Cooling Fan Unit: 2A0343 and 2A03961.Reverse the procedure described above to reinstall the cooling fan unit.Note: Use a magnetized sc

ABDCBDCA – Fan unitB – Ground cablesC – Fan cablesD – Relay connectorsFigure 7.50 Cooling Fan Replacement: 4A03022.Pull out the two relay connectors a

ABA – Fan guards B – Cooling fansFigure 7.53 Cooling Fan Disassembly: 4A0302nInstalling the Cooling Fan Unit: 4A03021.Reverse the procedure to reinsta

SpecificationsA.1 POWER RATINGS...296A.2 DRIVE SPECIFICATI

A.1 Power RatingsuThree-Phase 208 Vac Models Z1B1D002 to D046Table A.1 Power Ratings (Three-Phase 208 V)Item SpecificationBypass Model Z1B1 D002 D003

uThree-Phase 208 Vac Models Z1B1D059 to D273Table A.2 Power Ratings Continued (Three-Phase 208 V)Item SpecificationBypass Model Z1B1 D059 D074 D088 D1

uThree-Phase 480 Vac Models Z1B1B001 to B034Table A.3 Power Ratings (Three-Phase 480 V)Item SpecificationBypass Model Z1B1 B001 B002 B003 B004 B007 B0

uThree-Phase 480 Vac Models Z1B1B040 to B302Table A.4 Power Ratings Continued (Three-Phase 480 V)Item SpecificationBypass Model Z1B1 B040 B52L B052 B0

Table of Contentsi. PREFACE & GENERAL SAFETY... 13i.1 Preface ...

nBypass, Drive Models, and CapacitiesBypass UnitModel Z1B1Output CapacityDrive ModelCIMR-ZUElectrical Schematic Weight (lb)HP Input (A) Output (A)208

A.2 Drive SpecificationsNote: 1. Perform rotational Auto-Tuning to obtain the performance specifications given below.2. For optimum performance life o

<4> Ground protection cannot be provided when the impedance of the ground fault path is too low, or when the drive is powered up while a groundf

A.3 Drive Watt Loss DataTable A.6 Watt Loss 200 V Class Three-Phase ModelsModel Rated Amps (A) Heatsink Loss (W) Interior Unit Loss (W) Total Loss (W)

<3> Value assumes the carrier frequency is set to 2 kHz.A.3 Drive Watt Loss DataYASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass

A.4 Drive Derating DataThe drive can be operated at above the rated temperature, altitude, and default carrier frequency by derating the drive capacit

A.5 Bypass OptionsThis following configurations are available for the Z1000 Bypass.uOption BThree-contactor bypass: Isolates the drive circuit by addi

A.5 Bypass OptionsThis Page Intentionally Blank306YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual

Parameter ListThis appendix contains a full listing of all parameters and settings available in the drive.B.1 PARAMETER GROUPS...

B.1 Parameter GroupsTable B.1 Parameter GroupsParameterGroupName PageA1 Initialization Parameters 309b1 Operation Mode Selection 310b2 DC Injection Br

B.2 A: Initialization ParametersuA1: InitializationNo.(Addr.Hex)Name Description Values PageA1-06(127)Application PresetApplication Sel0: Standard 0:

1.4 Bypass Component DescriptionsuBypass Front Control PanelThe external appearance and component names of the Z1000 Bypass are shown in Figure 1.3.HO

B.3 b: ApplicationApplication parameters configure the source of the Run command, DC Injection Braking, Speed Search, timer functions, PIcontrol, Ener

No.(AddrHex.)Name Description Values Pageb3-08(198)Current Control Gain duringSpeed Search (SpeedEstimation Type)Srch ACR P GainSets the proportional

No.(Addr.Hex)Name Description Values Pageb5-06(1AA)PI Output LimitPI LimitSets the maximum output possible from the entire PI controller as a percenta

No.(Addr.Hex)Name Description Values Pageb5-37(1A2)PI Feedback High DetectionTimeFb High Dly TimeSets the PI feedback high level detection delay time.

B.4 C: TuningC parameters are used to adjust the acceleration and deceleration times and carrier frequency selections.uC1: Acceleration and Decelerati

B.5 d: ReferencesReference parameters set the various frequency reference values during operation.ud1: Frequency ReferenceNo.(Addr.Hex)Name Descriptio

No.(Addr.Hex)Name LCD Display Description Values Paged3-04(297)Jump Frequency Width Jump BandwidthSets the dead-band width around each selected prohib

B.6 E: Motor ParametersuE1: V/f Pattern for Motor 1No.(Addr.Hex)Name Description Values PageE1-01(300)Input Voltage SettingInput VoltageThis parameter

B.7 F: OptionsF parameters control the communication between the drive and the bypass.uF6: Drive/Bypass CommunicationsNo.(Addr.Hex)Name Description Va

B.8 H Parameters: Multi-Function TerminalsH parameters assign functions to the multi-function input and output terminals.uH1: Multi-Function Digital I

nOverload RelayThe adjustable thermal overload relay (OLR) provides overload protection for the motor in Drive and Bypass operating modes.The bypass t

uH2: Multi-Function Digital OutputsNote:H2-oo parameters are available in bypass controller software versions VST800298 and later.No.(Addr.Hex)Name De

H2 Multi-Function Digital Output SettingsH2-ooSettingFunction LCD Display Description Page37 During frequency output During RUN 2Open: Either the driv

No.(Addr.Hex)Name Description Values PageH3-14(41C)Analog Input TerminalEnable SelectionA1/A2 SelDetermines which analog input terminals will be enabl

uH4: Analog OutputsNo.(Addr.Hex)Name LCD Display Description Values PageH4-01(41D)Multi-Function AnalogOutput Terminal FMMonitor SelectionTerm FM Func

B.9 L: Protection FunctionL parameters provide protection to the drive and motor, including control during momentary power loss, Stall Prevention,freq

No.(Addr.Hex)Name Description Values PageL3-04(492)Stall Prevention Selectionduring Deceleration StallP Decel Sel0: Disabled. Deceleration at the acti

uL6: Torque DetectionNo.(Addr.Hex)Name Description Values PageL6-01(4A1)<1>Torque Detection Selection10: Disabled1: oL3 detection only active du

B.10 n: Special AdjustmentThe n parameters adjust more advanced performance characteristics such as Hunting Prevention, speed feedback detection,High

B.11 o: Operator-Related SettingsThe o parameters set up the digital operator displays.uo1: HOA Keypad Display SelectionNo.(Addr.Hex)Name Description

uo4: Maintenance Monitor SettingsNo.(Addr.Hex)Name Description Values Pageo4-03(050E)Cooling Fan Operation TimeSetting FanElapsTimeCntSets the value

1.5 Bypass Component NamesThis section gives an overview of the Z1000 Bypass components described in this manual.Note: Refer to Using the HOA Keypad o

B.12 S: Special ApplicationuS1: Dynamic Noise Control FunctionNo.(Addr.Hex)Name LCD Display Description Values PageS1-01(3200)Dynamic Audible NoiseCon

No.(Addr.Hex)Name LCD Display Description Values PageS2-07(320C)Sequence Timer 2 StopTimeTmr 2 Stop TimeSets the stop time for timer 2. The value must

No.(Addr.Hex)Name LCD Display Description Values PageS2-18(3217)Sequence Timer 4 DaySelectionTmr 4 Day Sel0: Timer disabled1: Daily2: Mon - Fri3: Sat

No.(Addr.Hex)Name Description Values PageT1-11(070B)Motor Iron Loss Mtr Iron Loss(W)Sets the iron loss for determining the Energy Saving coefficient.T

B.13 U: MonitorsMonitor parameters allow the user to view drive status, fault information, and other data concerning drive operation.uUB: Bypass Contr

No.(Addr. Hex)Name Description UnitUB-08(8787)Bypass Controller Active FaultsRegister 2 Phase Loss BrownoutPhase Loss BlackoutNo Drive CommsAvailableO

uU1: Operation Status MonitorsNo.(Addr.Hex)Name DescriptionAnalog OutputLevelUnitU1-01(40)Frequency Reference Frequency RefMonitors the frequency refe

No.(Addr.Hex)Name DescriptionAnalog OutputLevelUnitU1-14(4F)Terminal A2 Input LevelTerm A2 LevelDisplays the signal level to analog input terminal A2.

No.(Addr.Hex)Name DescriptionAnalog OutputLevelUnitU2-16(7E1)Motor q-Axis Current atPrevious Fault Motor Iq CurrentDisplays the q-axis current for the

No.(Addr.Hex)Name DescriptionAnalog OutputLevelUnitU3-26(3010)Time Hours and Minutesat 2nd Most Recent FaultFault 2 HHMMDisplays the time when the sec

n208 Vac Z1B1D088 to D169480 Vac Z1B1B096 to B180GKGHIJEDBCAFLA – Disconnect shaftB – Bypass enclosure fanC – Fan filterD – Enclosure fan filterE – Fa

No.(Addr.Hex)Name DescriptionAnalog OutputLevelUnitU3-46(3024)Date Month and Day at 9thMost Recent FaultFault 9 MMDDDisplays the date and day when the

No.(Addr.Hex)Name DescriptionAnalog OutputLevelUnitU4-16(7D8)Motor Overload Estimate(oL1) Motor OL1 LevelShows the value of the motor overload detecti

No.(Addr.Hex)Name DescriptionAnalog OutputLevelUnitU5-03(64)PI Output PI OutputDisplays PI control output.10 V: 100% 0.01%U5-04(65)PI Setpoint PI Setp

B.14 Z: Bypass ParametersuZ1: Bypass Control SystemNo.(Addr.Hex)Name LCD DisplayDescriptionValues PageZ1-01(85C6)InitializeInitialize0: No init1: Set

No.(Addr.Hex)Name LCD DisplayDescriptionValues PageZ1-11(85D0)2-Motor AND/ORFunction Select2-Mtr AND/OR Sel0: Disabled (ignore digital inputs)1: Alway

No.(Addr.Hex)Name LCD DisplayDescriptionValues PageZ1-23(85DC)Energy Savings ModeFrequency ReferenceIncreaseEnergy Fref IncrSets the value to add to t

No.(Addr.Hex)Name LCD DisplayDescriptionValues PageZ1-40(85ED)Auto Transfer WaitTimeAuto Xfer Wait TIf Auto Transfer is enabled and a drive fault is d

No.(Addr.Hex)Name Description Values PageZ2-09(856B)Digital Input 1 Invert Select0: Normal. Lack of input signal = OFF1: Inverted. Lack of input signa

uZ3: Bypass Control CommunicationNo.(Addr.Hex)Name Description Values PageZ3-01(8500)Serial CommunicationsProtocol SelectSelects the bypass serial com

uZ4: Bypass Control Option BoardsNo.(Addr.Hex)Name Description Values PageZ4-01(8700)IP Address 1Sets the most significant octet of network static IP

uFront ViewsCEFEGDABZ1B1D002Z1B1D074ABCEEFGDA – Terminal TB3B – Jumper S1C – Jumper S5D – Terminal TB4E – Ground terminalF – EMC filter switch SW2G –

No.(Addr.Hex)Name Description Values PageZ4-18(8711)Ethernet Current ScaleAC/DC Drive Object, Instance 1, Attribute 23Default: 0Min.: -15Max.: 15214Z4

B.15 Defaults by Drive ModelThe following tables show parameters and default settings that change with the drive model selection (o2-04).Table B.4 208

Table B.5 480 V Default Settings by Model SelectionNo. Name Unit Default Settings– Bypass Model Z1B1 –B001B002B003B004B007 B011 B014 B021 B027o2-04 Dr

No. Name Unit Default Settings– Bypass Model Z1B1 – B124 B156 B180 B240 B302o2-04 Drive Model Selection Hex. A4 A5 A6 A7 A9b3-04 V/f Gain during Speed

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BACnet CommunicationsC.1 BACNET CONFIGURATION...356C.2 COMMUNICATION SPEC

C.1 BACnet ConfigurationThe Z1000 Bypass system can be monitored and controlled by a controller on a Building Automation and Control network(BACnet) u

C.2 Communication SpecificationsBACnet specifications appear in the following table:Item SpecificationsInterfaceMS/TP (Master-Slave/Token-Passing)RS-4

C.3 Connecting to a NetworkThis section explains how to connect the Z1000 Bypass to a BACnet network and the network termination required for aconnect

uWiring Diagram for Multiple ConnectionsFigure C.3 explains the wiring diagrams for multiple connections using BACnet communication.nMS/TP InterfaceCO

ADBFGHIJKLMABFEDECCBA – Motor overloadB – Main input disconnectC – Ground terminalD – Contactor K2E – Contactor K3F – 120 V control transformerG – Air

C.4 BACnet Setup ParametersuBACnet Serial CommunicationThis section describes parameters necessary to set up BACnet communications.nZ3-01: Serial Comm

nZ3-08, Z3-09: BACnet Device Object IdentifierThese parameters set the Instance Identifier of the BACnet Device Object, where Z3-08 is the least signi

C.5 Bypass Operations by BACnetThe bypass operations that can be performed by BACnet communication depend on parameter settings. This section explains

C.6 BACnet Objects SupporteduPresent Value AccessThe Present Value (PV) of BACnet objects can always be read. In addition, some PVs can be written or

PropertyObject TypeDeviceAnalogInputAnalogOutputAnalogValueBinaryOutputBinaryOutputBinaryValueInactive_Text – – – – Yes Yes YesActive_Text – – – – Yes

Object ID Object NameModbusAddressPrecision Range Units PV AccessAV13 Output Power 0047HXXXX.X(for drives ratedabove 11 kVA)XXX.XX(for drives rated11

Object ID Object NameModbusAddressActive Text Inactive Text PV AccessBI16 BYP DI-7 STAT 8781H: bit 6 ON OFF RBI17 BYP DI-8 STAT 8781H: bit 7 ON OFF RB

Object ID Object NameModbusAddressActive Text Inactive Text PV AccessBV17 Data Set Error 0020H:bit 4 ERROR OFF RBV18 Overcurrent – Gnd Flt 0021H:bit 0

Object ID Object NameModbusAddressActive Text Inactive Text PV AccessBV66 BYP Drive Select CMD 8400H: bit 9 ON OFF CBV67 BYP Auto Select CMD 8400H: bi

The Device Object Instance ID is a unique internetwork-wide numerical value. It is a 22-bit value that can range from 0 to4,194,303. It is configurabl

Mechanical InstallationThis chapter explains how to properly mount and install the Z1000 Bypass.2.1 SECTION SAFETY...

C.7 Accessing Bypass Parameters and the Enter CommanduReading Bypass ParametersReading bypass parameters not listed in the analog or digital objects i

C.8 Communication ErrorsErrors that may occur when accessing drive parameters using the BACnet objects are shown in Table C.11.Table C.11 MEMOBUS to B

C.9 BACnet Protocol Implementation Conformance StatementDate: 9/19/2011Vendor Name: Yaskawa America, Inc.Product Name: VFD BypassProduct Model Number:

□LonTalk, (Clause 11), medium:□Other:Device Address Binding:Is static device binding supported? (This is currently necessary for two-way communication

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MEMOBUS/Modbus CommunicationsD.1 MEMOBUS/MODBUS CONFIGURATION...376D.2 COMMUNICATION SPECIFICA

D.1 MEMOBUS/Modbus ConfigurationZ1000 Bypasses can be controlled from a PLC or other master device via serial communications using the MEMOBUS/Modbus

D.2 Communication SpecificationsMEMOBUS/Modbus specifications appear in the following table:Item SpecificationsInterface RS-485Communications Cycle As

D.3 Connecting to a NetworkThis section explains how to connect the drive to a MEMOBUS/Modbus network and the network termination required for aconnec

uWiring Diagram for Multiple ConnectionsFigure C.3 explains the wiring diagrams for multiple connections using MEMOBUS/Modbus communication.nRS-485 In

2.1 Section Safety WARNINGCrush HazardUse a dedicated lifting device when moving or positioning the drive.Failure to comply may result in serious inju

D.4 MEMOBUS/Modbus Setup ParametersuMEMOBUS/Modbus Serial CommunicationChanges to MEMOBUS/Modbus communications settings become effective after restar

nZ3-05: Serial Communications Fault SelectSelects the action to take when a serial communications fault is detected. A serial communications fault is

D.5 Bypass Operations by MEMOBUS/ModbusThe bypass operations that can be performed by MEMOBUS/Modbus communication depend on parameter settings. Thiss

D.6 Communications TimingTo prevent a communications overrun in the slave drive, the master should wait a certain time between sending messages tothe

D.7 Message FormatuMessage ContentIn MEMOBUS/Modbus communications, the master sends commands to the slave, and the slave responds. The messageformat

The example in Table D.2 shows the CRC-16 calculation of the slave address 02H and the function code 03H, yielding theresult D140H.Note: This example

D.8 Message ExamplesBelow are some examples of command and response messages.uReading Drive MEMOBUS/Modbus Register ContentsUsing the function code 03

uWriting to Multiple RegistersFunction code 10H allows the user to write multiple MEMOBUS/Modbus registers with one message. This process workssimilar

D.9 MEMOBUS/Modbus Data TableThe tables below list all MEMOBUS/Modbus data.uCommand DataIt is possible to both read and write command data.Note: Bits

uMonitor DataMonitor data can be read only.Register No. Contents0020HDrive Status 1bit 0 During Runbit 1 During Reversebit 2 Drive Readybit 3 Faultbit

NOTICEWhen the input voltage is 480 V or higher or the wiring distance is greater than 100 meters, pay special attention tothe motor insulation voltag

Register No. Contents0029HFault Contents 2bit 0 Reservedbit 1 Ground Fault (GF)bit 2 Input Phase Loss (PF)bit 3 Output Phase Loss (LF)bit 4, bit 5 Res

Register No. Contents002DHOutput Terminal Statusbit 0 Multi-Function Contact Output 1 (terminal M1-M2)bit 1 Multi-Function Contact Output 2 (terminal

Register No. Contents0099H Low Word of Accumulated Operation Time Monitor, 1 h units (U4-01)009AH High Word of Cooling Fan Operation Time Monitor (U4-

Register No. Contents00C2HFault Contents 5bit 0 MEMOBUS/Modbus Communication Error (CE)bit 1 Option Communication Error (bUS)bit 2 to 5 Reservedbit 6

Register No. Contents00C8HAlarm Contents 2bit 0 Undervoltage (Uv)bit 1 Overvoltage (ov)bit 2 Heatsink Overheat (oH)bit 3 Drive Overheat (oH2)bit 4 Ove

Register No. Contents00CCHAlarm Contents 6bit 0 Output Voltage Detection Fault (VoF)bit 1 Reservedbit 2 Capacitor Maintenance Time (LT-3)bit 3 to C Re

Register No. Contents00D9HoFA1x Contents (CN5)bit 0 Option RAM Fault (oFA10)bit 1 Option Operation Mode Fault (SLMoD) (oFA11)bit 2 Drive Receive CRC E

Register No. Contents8400H BYP CommandBypass Command. Logically OR’d with the physical inputsRunRun RevNot UsedTransfer to BypassSmoke Purge BypassSmo

Register No. Contents8440H Time HHMMTime Hours and Minutes. Reads current time. Format is HHMM where HH is hours from 00 to 23and MM is minutes from 0

Fault Code Fault Name001CH Output Phase Loss (LF)001DH Motor Overheat (PTC input) (oH3)001EH Digital Operator Connection (oPr)001FH EEPROM Write Error

3. ELECTRICAL INSTALLATION ... 493.1 Section Safety...

2.2 Mechanical InstallationThis section outlines specifications, procedures, and the environment for proper mechanical installation of the drive.uInst

uBypass Fault CodesTable D.4 shows the bypass fault codes that can be read out by MEMOBUS/Modbus commands from the UB-oo monitorparameters.Table D.4 B

D.10 Enter CommandWhen writing parameters to the bypass from the PLC using MEMOBUS/Modbus communication, parameters become activeimmediately. If it is

D.11 Communication ErrorsuMEMOBUS/Modbus Error CodesA list of MEMOBUS/Modbus errors appears below.When an error occurs, remove whatever caused the err

Apogee FLN Network ProtocolThis appendix explains the specifications and handling of the APOGEE FLN protocol for the YaskawaZ1000 Bypass. The APOGEE F

E.1 APOGEE FLN Set-UpA Yaskawa America representative is responsible for proper configuration of the Bypass for its primary application, while aSiemen

E.2 Connecting to a NetworkuNetwork Cable ConnectionFollow the instructions below to connect the bypass to a MEMOBUS/Modbus network.Note: Separate the

uWiring Diagram for Multiple ConnectionsnRS-485 InterfaceCONTROLLER1234+-SHLDBypassS1OFFTB3SHLDTXRX-TXRX+IG51234BypassS1OFFTB3SHLDTXRX-TXRX+IG5ON1234B

E.3 Slope and Intercept ConversionSeveral drive parameters are available for monitoring purposes. These include FREQ OUTPUT (Point 3), SPEED (Point 5)

uOther FunctionalityEach of the following functions must be enabled during drive startup:Enable the drive to runRUN ENABLE (Point 35) can be commanded

E.4 APOGEE FLN Point List SummaryThis database is for APOGEE FLN Application 2721 and features 97 logical points: 29 Logical Analog Inputs (LAI), 35Lo

uInstallation Orientation and SpacingInstall the Z1000 Bypass upright as illustrated in Figure 2.1 to maintain proper cooling.Figure 2.1 Correct Insta

PointNo.PointTypePoint NameFactoryDefault(SI Units)Engr. Units(SI Units)Slope(SI Units)Intercept(SI Units)OnTextOffTextZ1000Parameter{28} LDILOC.REMMO

PointNo.PointTypePoint NameFactoryDefault(SI Units)Engr. Units(SI Units)Slope(SI Units)Intercept(SI Units)OnTextOffTextZ1000Parameter{60} LAOINPUT REF

PointNo.PointTypePoint NameFactoryDefault(SI Units)Engr. Units(SI Units)Slope(SI Units)Intercept(SI Units)OnTextOffTextZ1000Parameter91 LAOCBL LOSSFRQ

E.5 Cable Loss Configuration and BehaviorThis section describes the configurable cable loss feature of the drive. This feature offers a user maximum f

Continue at Last Speed with AlarmFor this condition, COMM FLG ENA (Point 90) must be enabled and CBL LOSS TMR (Point 91) should be set to somethingoth

E.6 Mailbox FunctionuMailbox Function PointsnReading a Drive ParameterTwo points are defined for reading any drive parameter:• Point 70 specifies the

E.7 Fault CodesuCommunications FaultTable E.5 Drive FaultsFault Description Cause Corrective ActionFB14 FB14 Communication ErrorConnection is broken o

Fault Code Fault Name0102H Option Not Properly Connected (oFA01)0106H A/D Conversion Error (oFA05)0107H Option Response Error (oFA06)0111H Option RAM

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Metasys N2 Network ProtocolF.1 N2 SPECIFICATIONS AND CONFIGURATION...420F.2 CONNECTING TO A NETWORK...

uExterior and Mounting DimensionsTable 2.2 Bypass Dimensions by ModelBypass Unit Model Z1B1Page208 Vac 480 VacD002D003D004D007D010D016B001B002B003B004

F.1 N2 Specifications and ConfigurationThe bypasses can be monitored and controlled by a controller on a Metasys N2 network (N2) using RS-485 technolo

F.2 Connecting to a NetworkThis section explains how to connect the drive to an N2 network and the network termination required for a connection.uNetw

uWiring Diagram for Multiple ConnectionsFigure C.3 explains the wiring diagrams for multiple connections using N2 communication.nRS-485 InterfaceCONTR

F.3 N2 Setup ParametersuN2 Serial CommunicationThis section describes parameters necessary to set up N2 communications.nZ3-01: Serial Communications P

No. Name Setting Range DefaultZ3-05 Serial Communications Fault Select 0 to 4 1Setting 0: IgnoreSetting 1: Alarm OnlySetting 2: Fault with EF0An EF0 f

F.4 Bypass Operations by N2The drive operations that can be performed by N2 communication depend on drive parameter settings. This section explainsthe

Reading and Resetting FaultsThe Fault Monitor (BI 4) and Drive Ready Monitor (BI 3) show the current status of the bypass. The Fault Code (AI 10)conta

Continue at Last Speed with AlarmFor this condition, Communication Fault Enable (BO 11) must be enabled and Cable Loss Speed (AO 22) should be set to

Fault Code Fault Name009CH ASIC PWM Setting Register Error (CPF27)009DH ASIC PWM Pattern Error (CPF28)009EH ASIC On-delay Error (CPF29)009FH ASIC BBON

F.5 Communications TimingTo prevent a communications overrun in the slave drive, the master should wait a certain time between sending messages tothe

n208 Vac (Z1B1D002 to D074)480 Vac (Z1B1B001 to B077)Note: Removing the top protective cover from a NEMA Type 1 enclosure drive voids NEMA Type 1 prot

F.6 Metasys N2 Point DatabaseThis section describes the Metasys N2 point database. This database features 100 logical points: 38 Analog Inputs (AI), 3

uMetasys N2 Analog Output (AO) SummaryTable F.6 Metasys N2 Analog Output Summary (Bypass to Metasys N2)Object ID Object Name Units Default Value Bypas

Object ID Object Name Default Off (0) State On (1) StateBI 10 Multi-Function Output 7 (Z2-23) 0 Off OnBI 11 Multi-Function Output 8 (Z2-24) 0 Off OnBI

F.7 Mailbox FunctionuReading Drive ParametersTwo points are defined for reading drive parameters:• AO 30 – Specifies the parameter to be read from the

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Standards ComplianceThis appendix explains the guidelines and criteria for maintaining CE and UL standards.G.1 SECTION SAFETY...

G.1 Section Safety DANGERElectrical Shock HazardBefore servicing, disconnect all power to the equipment. The internal capacitor remains charged even a

NOTICEObserve proper electrostatic discharge procedures (ESD) when handling the drive and circuit boards.Failure to comply may result in ESD damage to

G.2 European StandardsFigure G.1 CE MarkThe CE mark indicates compliance with European safety and environmental regulations. It is required for engagi

G.3 UL/cUL StandardsuUL Standards ComplianceThe UL/cUL mark applies to products in the United States and Canada. It indicates that UL has performed pr

Table 2.3 Bypass Model Enclosure Dimensions: 208 VacBypass Model <1>Z1B1Dimensions (in)Wt. (lb)W H D W1 W2 H1 H2 H3 D1 D2D002 6.77 41.60 14.56 6

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Quick Reference SheetThis section provides tables to keep record of the Bypass specifications, motor specifications, andparameter settings. Fill in t

H.1 Z1000 Bypass and Motor SpecificationsuZ1000 Bypass SpecificationsA.C. INPUTA.C. OUTPUTDesignator RatingSerial No.:4W11X2888880001Model No. :Z1B1D0

H.2 Basic Parameter SettingsUse the following tables to keep records of important parameters. Have this data available when contacting Yaskawa technic

uMulti-Function Digital OutputsName Terminal Output UsedSetting Valueand Function NameMemoDO-7 TB1-1, 2, 3 Z2-23 = DO-8 TB1-4, 5, 6 Z2-24 = DO-9

H.3 User Setting TableUse the Verify Menu to see which parameters have been changed from their original default settings below the parameter number in

No. NameUserSettingd3-01 Jump Frequency 1 d3-02 Jump Frequency 2 d3-03 Jump Frequency 3 d3-04 Jump Frequency Width E1-01 Input Voltage Setting E1

No. NameUserSettingS2-06Sequence Timer 2 Start Time S2-07Sequence Timer 2 Day Selection S2-08Sequence Timer 2 Day Selection S2-09 Sequence Timer 2

No. NameUserSettingZ1-34Loss of Load Drive Time Z1-35Loss of Load Bypass Output Current Z1-36Loss of Load Bypass Time Z1-37Set Time Z1-38HOA Sourc

No. NameUserSettingZ4-09Gateway Address 1 Z4-10Gateway Address 2 Z4-11Gateway Address 3 Z4-12Gateway Address 4 Z4-13Address Startup Mode Z4-14Dup

n208 Vac (Z1B1D088 to D169)480 Vac (Z1B1B096 to B180)Recommended Conduit Entrance AreaØ 0.53H2HD1DW4H16.00 min.5.00 min.W1H3D3Ø 2.00WW3W2D2Units = inc

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Index++V...71Numerics5th Most Recent Fault...

Bypass Phase Rotation ... 206Bypass Unbalanced Current Detection Level ...

Drive Specifications ... 300Drive Status...

Ground Fault ... 230Ground Protection ...

Metasys N2 Point Database ... 430Minimum Current Detection Level during Speed Search ...

Oscillation or Hunting... 258Output Current ...

Reattaching the Front Cover ...79Reattaching the Terminal Cover ...

T1-07 ... 113, 114TdE ...

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Table 2.5 Bypass Model Enclosure Dimensions: 208 VacBypass ModelZ1B1Dimensions (in)Wt. (lb)W H D W1 W2 W3 W4 H1 H2 H3 D1 D2 D3D088 25.80 42.79 17.90 2

Revision HistoryThe revision dates and the numbers of the revised manuals appear on the bottom of the back cover.MANUAL NO.Example:　SIEP YAIZ1B 01D

YASKAWA AMERICA, INC.2121 Norman Drive South, Waukegan, IL 60085, U.S.A.Phone: (800) YASKAWA (927-5292) or 1-847-887-7000 Fax: 1-847-887-7310http://

n208 Vac (Z1B1D211 to D273)480 Vac (Z1B1B240 to B302)37.5010.8718.63W139.51HH1W35.277.5633.9423.1019.75D1Door Open90˚9.24DØ 0.625Recommended Conduit

Table 2.7 Bypass Model Enclosure Dimensions: 208 VBypass ModelZ1B1Dimensions (in)Wt. (lb)W H D W1 H1 D1D211 37.93 86.04 32.87 41.26 84.16 65.58 1050.0

Electrical InstallationThis chapter explains the proper procedures for wiring the control circuit terminals, motor, and powersupply.3.1 SECTION SAFETY

4.5 Start-Up Procedure ...104Bypass Start-Up P

3.1 Section Safety WARNINGElectrical Shock HazardDo not connect or disconnect wiring while the power is on.Failure to comply may result in death or se

WARNINGDo not use an improper voltage source.Failure to comply could result in death or serious injury by fire.Verify that the rated voltage of the d

3.2 Standard Connection DiagramConnect the bypass and peripheral devices as shown in Figure 3.1. It is possible to set and run the bypass via the HOA

3.2 Standard Connection DiagramYASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual3Electrical InstallationFigure 3.1 Z

<1> This voltage source supplies a maximum current of 150 mA on control board A1.<2> The maximum output current capacity for the +V termin

3.3 Main Circuit WiringThis section describes the functions, specifications, and procedures required to safely and properly wire the main circuit inth

Figure 3.3 Remove Screws3.Lift the cover up and gently pull forward to remove the front cover.Figure 3.4 Lift and Remove Cover3.3 Main Circuit WiringY

nModels Z1B1D088 to D273 and Z1B1B096 to B3021.Turn the disconnect handle to the “OFF” position.Figure 3.5 Disconnect Power2.Turn the flat head screw

Figure 3.7 Swing Open Door3.3 Main Circuit WiringYASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual593Electrical Instal

L3: Stall Prevention ... 170L4:

uBypass Main Circuit Terminal Block ConfigurationFigure 3.8 shows the different main circuit terminal arrangements by model.L1 L2 L3Z1BVD002 to D074Z1

3.4 Input and Output Power Wiring ConnectionsThe input disconnect switch is located in the upper right hand side of the bypass. The three-phase input

uMain Circuit Terminal FunctionsTable 3.1 Main Circuit Terminal FunctionsTerminal Description Function PageR/L1Main circuit power supply input Connect

Z1000 BypassModel Z1B1With Option PM Circuit Breaker CB1 Standard Non-Fused Input Disconnect Switch S1208Vac480VacCurrent Rating(A)Wire Size Range(AWG

nCable Length Between Bypass and MotorVoltage drop along the motor cable may cause reduced motor torque when the wiring between the bypass and the mot

nEnable the Internal EMC FilterWARNING! Electrical Shock Hazard. Do not touch SW1 or SW2 screws while power is applied to the drive. Failure to comply

CBABA – SW1 (ON)B – Screw (OFF)C – SW2 (ON)Figure 3.12 EMC Filter Switch Location (Models Z1B1D002 to D059 and B001 to B52L)ABCA – SW1 (ON)B – Screw (

ABBCA – SW1 (ON)B – Screw (OFF)C – SW2 (ON)Figure 3.16 EMC Filter Switch Location (Model Z1B1B302)If the SW1/SW2 screws are missing, install proper si

nMain Input Circuit Wire RoutingFigure 3.17 and Figure 3.18 show suggested wire entry and bending areas for representative wall mount enclosures.B CAA

CBAA – Control circuit wiringB – Motor output circuitC – Main input circuitFigure 3.18 Bypass Wire Routing Example (Models Z1B1D088 to D273 and B096 t

If the Drive Still has Power After a Fault Occurs ... 251Viewing Fault Trace

3.5 Control Circuit WiringuControl Circuit Connection DiagramRefer to Figure 3.1 on page 53 when wiring terminals on the Z1000 Bypass and drive contro

Type Signal Name Description SpecificationDigital Outputs120 VacDO-1 Digital Output 1(Factory use only) 120 Vac, 66 VA sealed, 1650 inrushDO-2 Digital

uBypass Analog OutputsThere are two analog outputs that can be configured for a signal level of 0 to 10 Vdc or 4 to 20 mA. The signal level is control

Table 3.11 Ferrule Terminal Types and SizesSize mm2 (AWG)Type L (mm) d1 (mm) d2 (mm) Manufacturer0.25 (24) AI 0.25-8YE 12.5 0.8 1.8PHOENIX CONTACT0.34

Figure 3.23 Removing the Terminal CoverReattaching the Terminal CoverAfter wiring, double-check connections and reattach the terminal cover.Figure 3.2

nRemoving the Front CoverDrives Mounted on Z1000 Bypass Models Z1B1D002 to D059 and B001 to B52L1.Loosen the front cover screw using a #2 Phillips scr

Drives Mounted on Z1000 Bypass Models Z1B1D074 to D114 and B052 to B0961.Loosen the front cover screws using a #2 Phillips screwdriver. Screw sizes va

AA –Location of tabs on front coverFigure 3.28 Remove the Front Cover (Models Z1B1D074 to D114 and B052 to B096)3.5 Control Circuit WiringYASKAWA ELEC

Drives Mounted on Z1000 Bypass Models Z1B1D143 to D273 and B124 to B3021.Remove the terminal cover.2.Loosen the installation screw on the front cover.

nReattaching the Front CoverDrives Mounted on Z1000 Bypass Models Z1B1D002 to D114 and B001 to B096Reverse the instructions given in Removing the Fron

A.4 Drive Derating Data ...304Carrier Frequenc

Figure 3.33 Tighten the Installation Screw to Lock the Cover into Place (Models Z1B1D143 to D273 and B124 to B302)nTop Protective CoverDrives mounted

ABCDPreparing wireterminal ends0.42.5A – Loosen screw to insert wire.B – Single wire or stranded wireC – Avoid fraying wire strands whenstripping insu

AABA – Cable tie hole B – Cable hookFigure 3.36 Control Terminal Wiring (Models Z1B1D046 to D059 and B034 to B52L)BAA – Cable tie holeB – Cable hookFi

ABCBA – Cable hookB – Cable tie holeC – Cable anchorFigure 3.38 Control Terminal Wiring (Model Z1B1B124)ABA – Cable tie holeB – Cable hookFigure 3.39

When setting the frequency by analog reference from an external potentiometer, use shielded twisted-pair wires, preparingwire ends as shown in Figure

3.6 Bypass and Drive Control I/O ConnectionsuInput Signal Selection for Terminals A1 and A2Terminals A1 and A2 can be used to input either a voltage o

3.7 External InterlockSystems that may be affected during drive fault conditions should be interlocked with the drive fault output and ready signal.uA

uRemote Transfer to BypassTerminal TB2-4 is a programmable input with a default setting of “Remote Transfer to Bypass” operation. The function ofthis

3.7 External InterlockThis Page Intentionally Blank88YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual

Start-Up Programming & OperationThis chapter explains HOA keypad functions and gives instructions on programming the Z1000 Bypassfor initial opera

n1: Hunting Prevention... 327n3: High

4.1 Section Safety WARNINGElectrical Shock HazardDo not connect or disconnect wiring while the power is on.Failure to comply could result in death or

4.2 Using the HOA KeypadUse the HOA keypad to enter OFF commands, switch AUTO or HAND Mode, change parameters, and display data includingfault and ala

uHOA Keypad Keys and DisplaysF2F1ESCM MAUTO OFFENTERRESETALMDIGITAL OPERATOR JVOP-183HAND121198123104 5 6 7Figure 4.2 Description of HOA Keypad Keys a

uLCD Display531 26]4]7Figure 4.3 LCD DisplayTable 4.1 Display and ContentsNo. Name Display Content1 Bypass/Drive Status DisplayDRV(notblinking)Display

No. Name Display Content2 Bypass Status DisplayPOWERUP Displayed when the bypass is powering up.OFF Displayed when no Run command is present and the s

uBypass Control Board LEDsThe bypass control board A2 has six bi-color LEDs.The operational states of the bypass LEDs after completion of the power-up

AUTO LED HAND LED StateAUTOShort blink (15% duty)HANDOffAUTO mode, Ready, No run command input.AUTODouble blinkHANDOffAUTO mode, stopped by a Fast- St

uHOA Keypad Menu Structure<3><4>Modified ConstsHELPHELPDATAQuick SettingDATAHELPDRV-OFFAuto-TuningDATAAUTOModifiedX ParametersYASKAWAZ1000

Figure 4.8 shows the LCD display with a typical drive-specific parameter displayed and no power to the drive. In this example,the parameter displayed

4.3 The Drive and Programming ModesThe bypass controller has a Drive Mode to operate the motor and a Programming Mode to edit parameter settings..Driv