YASKAWA VS MINI J7 User Manual Page 18
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4
Nomenclature Chapter 1-2
Digital Operator
Note For safety reasons, the reset will not work while a RUN command (forward or
reverse) is in effect. Wait until the RUN command is OFF before resetting the
Inverter.
Appearance Name Function
Data display Displays relevant data items, such as frequency reference, output frequency,
and parameter set values.
FREQ adjuster Sets the frequency reference within a range between 0 Hz and the maximum
frequency.
FREF indicator The frequency reference can be monitored or set while this indicator is lit.
FOUT indicator The output frequency of the Inverter can be monitored while this indicator is lit.
IOUT indicator The output current of the Inverter can be monitored while this indicator is lit.
MNTR indicator The values set in U01 through U10 are monitored while this indicator is lit.
F/R indicator The direction of rotation can be selected while this indicator is lit when
operating the Inverter with the RUN Key.
LO/RE indicator The operation of the Inverter through the Digital Operator or according to the
set parameters is selectable while this indicator is lit.
Note This status of this indicator can be only monitored while the Inverter is in
operation. Any RUN command input is ignored while this indicator is lit.
PRGM indicator The parameters in n01 through n79 can be set or monitored while this
indicator is lit.
Note While the Inverter is in operation, the parameters can be only monitored
and only some parameters can be changed. Any RUN command input
is ignored while this indicator is lit.
Mode Key Switches the setting and monitor item indicators in sequence.
Parameter being set will be canceled if this key is pressed before entering the
setting.
Increment Key Increases multi-function monitor numbers, parameter numbers, and parameter
set values.
Decrement Key Decreases multi-function monitor numbers, parameter numbers, and
parameter set values.
Enter Key Enters multi-function monitor numbers, parameter numbers, and internal data
values after they are set or changed.
RUN Key Starts the Inverter running when the J7AZ is in operation with the Digital
Operator.
STOP/RESET Key Stops the Inverter unless parameter n06 is set to disable the STOP Key.
Functions as a Reset Key when an Inverter error occurs. (See note.)
Data display
Keys
Indicators
(Setting/Monitor
item indicators)
FREQ adjuster
- 1
- 1
- Visual Aids 3
- General Precautions 4
- Wiring Precautions 5
- Transportation Precautions 5
- Installation Precautions 5
- Warning Labels 7
- CIMR—J7AZ20P1 8
- About this Manual 9
- Application Considerations 10
- Disclaimers 11
- Table of Contents 13
- CHAPTER 1 15
- Overview 15
- 1-1 Function 16
- 1-2 Nomenclature 17
- Nomenclature Chapter 1-2 18
- Digital Operator 18
- CHAPTER 2 19
- 2-1 Installation 20
- Installation Chapter 2-1 21
- 2-2 Wiring 24
- Wiring Chapter 2-2 25
- Removing the Front Cover 25
- 2-2-2 Terminal Block 26
- Main Circuit Terminals 27
- Control Circuit Terminals 28
- Selecting Input Method 28
- 2-2-3 Standard Connections 30
- Circuit Breaker Capacities 31
- Wiring Example 1 34
- Ground Wiring 37
- Harmonics 38
- Standard Connection 43
- LVD Conformance 45
- CHAPTER 3 47
- 3-1 Nomenclature 48
- 3-2 Outline of Operation 49
- Status Monitor 51
- Example of Paramter Settings 53
- CHAPTER 4 55
- Test Run 55
- Chapter 4 56
- 4-1 Procedure for Test Run 57
- 4-2 Operation Example 59
- 4-2-3 Initializing Parameters 60
- 4-2-5 No-load Operation 61
- 4-2-6 Actual Load Operation 62
- CHAPTER 5 63
- Basic Operation 63
- 5-1 Initial Settings 64
- 5-2 V/f Control 65
- V/f Control Chapter 5-2 66
- Basic Conecpt 67
- 5-9 Multi-function I/0 77
- Set Values 78
- Forward (reverse) 80
- RUN command 80
- 5-9-2 Multi-function Output 81
- 5-10 Analog Monitor Output 82
- CHAPTER 6 83
- Advanced Operation 83
- 6-3 Stall Prevention Function 87
- 6-7 Other Functions 93
- 6-7-4 Fault Retry (n48) 95
- Frequency Detection 97
- Other Functions Chapter 6-7 100
- 6-7-8 Error History (n78) 101
- CHAPTER 7 103
- Communications 103
- 7-1-1 Overview 104
- 7-1-2 External Dimensions 104
- 7-1-3 Names of Parts 105
- 7-1-4 Mouting Procedure 105
- Connector 106
- 7-2 Inverter Settings 107
- Inverter Settings Chapter 7-2 108
- Slave Address (n70) 108
- Send Wait Time Setting (n73) 109
- RTS Control Selection (n74) 109
- Communications Format 112
- Message Interval 112
- Message Data Configuration 112
- Slave Address 113
- Function Code 113
- Communications Data 113
- Error Check 114
- 7-4 DSR Message and Response 115
- Response 116
- Example of Data Read 116
- Settings and Response 117
- Example of Loop-back Test 121
- 7-5 Enter Command 122
- Converting the Register Data 123
- Bit reversed 124
- 1 is added 124
- 7-7-1 I/O Function 125
- 7-7-2 Monitor Functions 126
- Errors and Remedies 129
- 7-9 Self-diagnostic Test 130
- CHAPTER 8 131
- Fault Displays and Processing 132
- 8-2 Troubleshooting 137
- 8-2-6 Motor Burns 139
- 8-2-9 Mechanical Vibration 140
- 8-2-13 Inverter Does Not Run 141
- Daily Inspection 142
- Periodic Inspection 142
- Periodic Maintenance Parts 143
- Replacement of Cooling Fan 143
- CHAPTER 9 145
- Specifications 145
- 9-1 Inverter Specifications 146
- 9-2-1 List of Accessories 149
- 9-2-2 Adapter Panel 150
- 9-2-4 Fan Unit 151
- 9-2-5 Digital Operator 152
- 9-2-6 Digital Operator Case 153
- 9-2-8 DC Reactor 153
- 3G3IV-PEZZ08122_ 154
- Applicable Model 154
- External Dimensions (mm) 154
- 9-2-10 AC Reactor 155
- 9-3 Option Specifications 156
- External Dimensions 157
- CHAPTER 10 159
- List of Parameters 159
- List of Parameters Chapter 10 160
- CHAPTER 11 173
- Revision History 176
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