Yaskawa F7 Drive User Manual User Manual Page 237
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Communications D - 18
Modbus Self-Diagnosis
The Drive has a built-in function for self-diagnosing the operations of the serial communication interface circuits. The
self-diagnosis function tests the serial communications hardware of the Drive by jumpers the send and receive terminals to
receive the same message as the Drive sends.
Perform the self-diagnosis function using the following procedure.
1. Turn ON the power supply to the Drive, and set parameter H1-05 (Terminal S7 function selection) to 67 (communication
test mode).
2. Turn OFF the power supply to the Drive.
3. Jumper the following terminals while the power supply is turned OFF (see diagram below):
Connect S+ to R+.
Connect S- to R-.
Connect S7 to SN.
4. Turn ON the terminating resistor. (Turn ON pin 1 on DIP switch 1).
5. Turn ON the power supply to the Drive again.
Fig D.10 Communication Terminal Connection for Self -Diagnosis Function
6. During normal self-diagnostic operation, the Digital Operator displays the frequency reference value. If an error occurs, a
CE (Modbus communication error) alarm will be displayed on the Digital Operator, the fault contact output will be turned
ON, and the Drive operation ready signal will be turned OFF.
SN SC SP A1 A2 +V AC -V A3 MP AC RP R+ R- MCM5 M6 MA MB
S1 S2 S3 S4 S5 S6 S7 S8 FM AC AM IG S+ S- M2M3 M4 M1
E(G)
E(G)
- F7 Drive 1
- User Manual 1
- Warnings and Cautions 2
- Intended Use 3
- Introduction 4
- Drive Output Specifications 5
- Table of Contents 8
- Chapter 1 12
- Physical Installation 12
- Physical Installation 1 - 2 13
- Confirmations upon Delivery 14
- Drive Model Numbers 15
- Component Names 16
- Physical Installation 1 - 6 17
- Physical Installation 1 - 7 18
- Physical Installation 1 - 8 19
- Physical Installation 1 - 9 20
- Physical Installation 1 - 10 21
- Installation Site 22
- Physical Installation 1 - 12 23
- Removing the Terminal Cover 24
- Physical Installation 1 - 14 25
- Physical Installation 1 - 15 26
- Physical Installation 1 - 16 27
- Chapter 2 28
- Electrical Installation 28
- Terminal Block Configuration 29
- Wiring Main Circuit Terminals 30
- Wire Size * 35
- Terminal Screw 35
- Ground Wiring 38
- Dynamic Braking Connections 39
- SP and S3 is programmed as 43
- External Fault 43
- Terminal Connections 46
- Control Wiring 47
- DIP Switch S1 and Jumper CN15 49
- Sinking/Sourcing Mode 50
- Control Circuit Wire Sizes 51
- Wiring Checks 51
- Field Wiring Diagram 52
- Introduction 53
- Cable Installation 53
- Fig 2.15 EMC Filter Layout 54
- Motor Cable 54
- Max. Length: 82 feet 54
- Recommended EMC Filters 55
- Installation 58
- Circuit 59
- Protection 59
- Wiring the PG-B2 61
- Wiring the PG-D2 63
- Drive 66
- Wiring Terminal Blocks 67
- PG-A2/PG-B2 68
- PG-D2/PG-X2/PG-W2 69
- Chapter 3 70
- Digital Operator 70
- Digital Operator Display 71
- Digital Operator Keys 72
- Drive Mode Indicators 73
- Run Indicator 74
- Stop Indicator 74
- Drive Main Menus 75
- Main Menu Structure 76
- Operation Menu (-DRIVE-) 77
- Digital Operator 3 - 9 78
- Digital Operator 3 - 10 79
- Quick Setting Menu (-QUICK-) 80
- Programming Menu (-ADV-) 81
- Auto-Tuning Menu (-A.TUNE-) 82
- Digital Operator 3 - 14 83
- Digital Operator 3 - 15 84
- Digital Operator 3 - 16 85
- Chapter 4 86
- Start-Up 86
- Drive Start-Up Preparation 87
- Start-Up 4 - 3 88
- Start-Up 4 - 4 89
- Drive Start-Up Procedures 90
- V/F Start-Up 91
- V/F w/ PG Start-Up 92
- Open Loop Vector Start-Up 93
- Flux Vector Start-Up 94
- Auto-Tuning 95
- Start-Up 4 - 11 96
- Quick Setting Parameters 97
- Start-Up 4 - 13 98
- Start-Up 4 - 14 99
- Trial Run 100
- Start-Up 4 - 16 101
- Chapter 5 102
- Basic Programming 102
- Control Method 103
- Speed Command Source 104
- Run Command Source 105
- Stopping Method 106
- Basic Programming 5 - 6 107
- Basic Programming 5 - 7 108
- Output Frequency 109
- Carrier Frequency 110
- Basic Programming 5 - 10 111
- Preset Reference 112
- Input Voltage Setting 113
- V/F Pattern 113
- Basic Programming 5 - 13 114
- E1-09 E1-07 116
- Basic Programming 5 - 16 117
- Basic Programming 5 - 17 118
- Basic Programming 5 - 18 119
- Basic Programming 5 - 19 120
- Motor Setup 121
- PG Option 121
- Output Function Level (%) 122
- 10V x 150% 122
- 0Disabled 123
- default) 123
- 3 Vector Motor ( 123
- Stall Prevention 124
- Basic Programming 5 - 24 125
- Chapter 6 126
- Fault Detection 127
- <3021> 129
- Alarm Detection 135
- Auto-Tuning Faults 142
- Troubleshooting 145
- Vector Control Method 147
- If Motor Deceleration is Slow 148
- If the Motor Overheats 149
- Check Procedure 153
- Fig 6.1 Date Stamp Location 156
- Chapter 7 158
- Maintenance 158
- Periodic Inspection 159
- Preventive Maintenance 160
- Periodic Maintenance of Parts 161
- Maintenance 7 - 5 162
- Connector 162
- Maintenance 7 - 6 163
- Maintenance 7 - 7 164
- Maintenance 7 - 8 165
- Appendix A 166
- Parameters 166
- Parameters A - 2 167
- F7 Parameter List 168
- Parameters A - 4 169
- Parameters A - 5 170
- Parameters A - 6 171
- Parameters A - 7 172
- Parameters A - 8 173
- Parameters A - 9 174
- Parameters A - 10 175
- Parameters A - 11 176
- Parameters A - 12 177
- Parameters A - 13 178
- Parameters A - 14 179
- Parameters A - 15 180
- Parameters A - 16 181
- Parameters A - 17 182
- Parameters A - 18 183
- Parameters A - 19 184
- Parameters A - 20 185
- Parameters A - 21 186
- Parameters A - 22 187
- Parameters A - 23 188
- Parameters A - 24 189
- Parameters A - 25 190
- Parameters A - 26 191
- Parameters A - 27 192
- Parameters A - 28 193
- Parameters A - 29 194
- Parameters A - 30 195
- Parameters A - 31 196
- Parameters A - 32 197
- Parameters A - 33 198
- Parameters A - 34 199
- Parameters A - 35 200
- Parameters A - 36 201
- Parameters A - 37 202
- F7 Monitor List 203
- 0 0 0 0 0 0 0 0 204
- F7 Fault Trace List 206
- F7 Fault History List 206
- Parameters A - 42 207
- Appendix B 208
- Capacity Related Parameters 208
- Drive Capacity Selection 209
- Appendix C 214
- Specifications 214
- Standard Drive Specifications 215
- 480Vac 216
- Common Specifications 217
- Specifications C - 5 218
- Specifications C - 6 219
- Appendix D 220
- Communications 220
- Using Modbus Communication 221
- Communications D - 3 222
- Communications D - 4 223
- 08H Loopback Test 8 8 8 8 224
- Communications D - 6 225
- Communications D - 7 226
- Modbus Function Code Details 227
- Loopback Test (08H) 228
- Modbus Data Tables 229
- Communications D - 11 230
- Communications D - 12 231
- Communications D - 13 232
- Communications D - 14 233
- Communications D - 15 234
- Communications D - 16 235
- Communications D - 17 236
- Modbus Self-Diagnosis 237
- Appendix E 238
- Peripheral Devices 238
- Peripheral Devices E - 2 239
- Peripheral Devices E - 3 240
- Peripheral Devices E - 4 241
- Peripheral Devices E - 5 242
- Appendix F 244
- Spare Parts 244
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