Yaskawa iQpump Drive User Manual User Manual Page 83
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4.8 Feedback Loss Detection
YASKAWA TM.iQp.01 iQpump Drive User Manual 83
4.8 Feedback Loss Detection
◆ b5-12, b5-13, b5-14
Table 4.15
The iQpump drive offers a feedback signal loss detection function in case the connected feedback device fails or a problem with the
wiring occurs.
■ b5-12 PI Feedback Reference Missing Detection Selection
Factory default setting: 0: (Disabled)
To enable feedback loss detection, program parameter b5-12 to a value greater than 0 and b5-13 Feedback Loss Detection Level to the
minimum feedback level for normal operation.
b5-13 Feedback Loss Detection Level Range: 0 to 100%
b5-14 Feedback Loss Detection Time Range: 0.0 to 25.5 sec. (1.0 Factory Default)
Figure 4.8 Loss of PI Feedback Feature
Example: Constant Pressure System
Pressure Transducer: 150 PSI (4 ~ 20mA)
Desired Operation:
Feedback Loss Fault when pressure falls below 15 PSI for more than 5.0 sec.
Solution:
Program b5-12 to 2 Feedback Loss Detection Fault
Program b5-13 to 10% (15 PSI divided by 150 PSI times 100% = 10%)
Program b5-14 to 5.0 sec.
Parameter
No.
Modbus
Address
Parameter Name
Digital Operator
Display
Description
Setting
Range
Factory
Setting
Menu
Location
Page
No.
b5-12 01B0H
PI Feedback
Reference
Missing Detection
Selection
Fb los Det Sel
0: Disabled
1: Alarm
2: Fault
0 to 2 0 Programming
101
b5-13 01B1H
PI Feedback Loss
Detection Level
Fb los Det Lvl
Sets the PI feedback loss detection level as a percentage of maximum
frequency (E1-04).
0 to 100 0% Programming 101
b5-14 01B2H
PI Feedback Loss
Detection Time
Fb los Det Time
Sets the PI feedback loss detection delay time in terms of seconds. 0.0 to 25.5 1.0 sec Programming 101
Setting Description
0 Disabled (factory default)
1Alarm
2Fault
Measured
Feedback
T
t
Feedback
Loss Output
T
b5-13
T = b5-14
Feedback
Loss Digital Output
ON (CLOSED)
OFF (OPEN)
TIME
- User Manual 1
- Table of Contents 3
- Warnings and Cautions 7
- ◆ Intended Use 8
- Introduction 9
- Software Versions 10
- Physical Installation 11
- 208-240 VAC 12
- 208-230 VAC 12
- ◆ Receiving Checks 13
- ◆ Nameplate Information 13
- ◆ Drive Model Numbers 14
- 1.3 Component Names 15
- 1.3 Component Names 16
- FRONT VIEW 17
- SIDE VIEW 17
- BOTTOM VIEW 17
- 5 INCHES TOP AND BOTTOM 19
- MOUNTING HOLES 20
- FOR "A" SIZE SCREWS 20
- 1.5 Heat Loss Data 21
- ◆ Installation Site 22
- Type 1 iQpump drives 23
- ◆ Removing the Terminal Cover 24
- Removing the Digital Operator 25
- Removing the Front Cover 25
- Attaching the Front Cover 25
- Attaching the Front Cover 26
- IMPORTANT 27
- Electrical Installation 29
- 4030 (40 HP, 480V) and larger 30
- Ground Wiring 39
- 2.3 Control Wiring 40
- Wiring Checks 41
- ◆ DIP Switch S1 42
- ◆ Shunt Connector CN15 43
- ◆ Sinking/Sourcing Mode 44
- Pump Motor 45
- 2.3 Control Wiring 47
- External Pump Fault 48
- Normally Closed 48
- H1-01 = 25 48
- Feedback Device (3-Wire) 49
- Digital Operator 51
- 3.1 Digital Operator Display 52
- 3.2 Digital Operator Keys 53
- 3.3 Drive Mode Indicators 54
- 3.4 Drive Main Menu 55
- 3.4 Drive Main Menu 56
- ◆ Operation Menu (-DRIVE-) 57
- U2 Fault Trace List 58
- U3 Fault History List 59
- Pump Quick Setup 60
- 3.6 Programming Menu (-ADV-) 61
- ◆ Auto-Tuning Menu (-A.TUNE-) 62
- U1-01 = 0.0PSI 64
- Start Up 65
- 4.1 Start Up 66
- S or T keys and the DATA/ 70
- 4.3 Pump System Start/Stop 73
- X X X X X 75
- U1-01 = 200 PSI 76
- U1-01 = 20.00 PSI 76
- U1-01 = 200.0 PSI 76
- U1-01 = 2.000 PSI 76
- ◆ P1-04, P1-05 77
- ◆ P1-07, P1-08, P1-13 79
- ◆ P1-09, P1-10, P1-13 81
- 4.8 Feedback Loss Detection 83
- 4.9 Basic Pump Protection 84
- SETPOINT 85
- PRESSURE 85
- FEEDBACK 85
- 4.9 Basic Pump Protection 86
- Basic Programming 87
- ◆ A1 Initialization 88
- ◆ b1 Sequence 89
- Figure 5. 2 90
- Feedback Device 93
- 04)-(E1Frequency Maximum 95
- FrequencyOutput 1004)-(b2 95
- Time BrakeInjection DC 95
- ◆ b2 DC Braking 96
- Output Frequency 97
- DC injection 97
- Speed Command / PI Setpoint 98
- PI Setpoint 98
- PI Feedback 98
- No Integral With Integral 100
- Setting Description 101
- ◆ b8 Energy Savings 102
- ◆ C1 Accel/Decel 103
- ◆ d3 Jump Frequencies 104
- ◆ E1 V/f Pattern 105
- E1-05 Maximum Output Voltage 106
- ◆ E2 Motor Setup 108
- ◆ H3 Analog Inputs 109
- Analog Input Signal 110
- Terminating 111
- DIP Switch S1-1 located on 111
- Function: Frequency Bias 112
- Setting: 0 112
- (H3-09 = D) applied 113
- Internal Analog Input Valve 114
- (Filtered) 114
- ◆ L5 Fault Restart 115
- Figure 5. 27 116
- ◆ L8 Hardware Protection 118
- ◆ o1 Monitor Configuration 122
- U1-13= 2H 123
- ◆ o2 Key Selections 124
- READ IMPOSSIBLE 125
- DATA VERIFYING 126
- VERIFY COMPLETE 126
- VERIFY ERROR 126
- 5.2 Pump Basic 127
- P1-12, P1-14 128
- Enable Loss of Prime Function 128
- Operation 128
- P2-01, P2-02, P2-03 130
- Select Signal to Monitor 130
- Setup Sleep Level (P2-02) 130
- Sleep Delay Time 131
- SLEEP ACTIVE 132
- START DELAY 132
- 5.4 T1 Auto-Tuning 134
- -ATUNE 134
- 0Hz/ 0.00A 134
- 6.1 Fault Detection 136
- 6.1 Fault Detection 137
- 6.2 iQpump Keypad Messages 141
- <0032> 141
- 6.2 iQpump Keypad Messages 142
- 6.3 Alarm Detection 143
- 6.3 Alarm Detection 144
- 6.5 Auto-Tuning Faults 147
- 6.7 Troubleshooting 149
- The Speed Command is too low 150
- ◆ If the Motor Overheats 151
- Example: July 22, 2000 157
- Maintenance 159
- 7.1 Periodic Inspection 160
- °C to 40°C (14°F to 104°F) 160
- 7.2 Preventive Maintenance 161
- (30HP @ 480V) 162
- (40HP to 500HP @ 480V) 163
- ◆ Removing the Terminal Card 164
- ◆ Mounting the Terminal Card 164
- Appendix: A 165
- Initialization 166
- Sequence 166
- DC Braking 166
- Speed Search 167
- Delay Timers 167
- PI Control 167
- Energy Saving 168
- Accel / Decel 168
- S-Curve Acc/Dec 169
- Torque Comp 169
- Carrier Freq 169
- Preset Reference 170
- Reference Limits 170
- Jump Frequencies 170
- V/F Pattern 170
- Motor Setup 171
- Com OPT Setup 171
- Digital Inputs 172
- Digital Outputs 175
- Analog Inputs 176
- Analog Outputs 176
- Serial Com Setup 177
- Motor Overload 178
- PwrLoss Ridethru 178
- Stall Prevention 178
- Ref Detection 179
- Fault Restart 179
- Torque Detection 180
- Hdwe Protection 180
- Hunting Prev 181
- High Slip 181
- Monitor Select 181
- Key Selections 182
- COPY Function 182
- Pump Basic 183
- Pump Protection 184
- Pump Multiplex 185
- Pump Advanced 188
- Hand Mode 189
- Auto-Tuning 189
- Total SP C omp 192
- Motor Speed 192
- Appendix: B 197
- B.1 Drive Capacity 198
- Appendix: C 203
- ◆ 208-240 VAC 204
- ◆ 480 VAC 205
- Appendix: D 207
- Related Parameters 210
- Slave Address 211
- Function Code 211
- Error Check 211
- ◆ Loopback Test (08H) 213
- D.3 Modbus Data Tables 214
- Monitor Data 215
- D.3 Modbus Data Tables 216
- Broadcast Data 217
- Enter Command 217
- Error Codes 218
- Slave Not Responding 218
- D.4 Modbus Self-Diagnosis 219
- D.4 Modbus Self-Diagnosis 220
- Appendix: E 221
- E.3 Peripheral Devices 224
- ◆ AC and DC Reactor 225
- ◆ Noise filter 225
- E.5 PumpScada Software 227
- Appendix: F 229
- F.1 EMC Compatibility 230
- ◆ Recommended EMC Filters 231
- Ground clip Ground plate 232
- Page intentionally blank 233
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