YASKAWA Inverter Spécifications Page 206
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Noté. / 5. Basé sur avis des utilisateurs
C.7 Communications Timing
To prevent overrun in the slave drive, the master should wait a certain time between sending messages to the same drive. In
the same way, the slave drive must wait before sending response messages to prevent an overrun in the master. This section
explains the message timing.
u
Command Messages from Master to Drive
In order to prevent overrun and data loss, the master must wait between receiving a response and sending the same type of
command as before to the same slave drive. The minimum wait time depends on the command as shown in the table below.
Table C.2 Minimum Wait Time for Sending Messages
Command Type Example Minimum Wait Time
1
• Control command (Run, Stop)
•
Set inputs/outputs
• Read monitors and parameter values
10 ms
2 • Write parameters
50 ms
<1>
3 • Save changes using an Enter command
3 to 5 s
<1>
<1> If the drive receives command type 1 data during the minimum wait time, it will perform the command and then respond. However, if it receives
a command type 2 or 3 during that time, either a communication error will result or the command will be ignored.
Command message Response message Command message
PLC→Drive PLC→DriveDrive→PLC
24 bit length
Master Send
Wait Time
Time
Figure C.7 Minimum Wait Time for Sending Messages
A timer should be set in the master to check how long it takes for the slave drive(s) to respond to the master. If no response
is received within a certain amount of time, the master should try resending the message.
u
Response Messages from Drive to Master
If the drive receives a command from the master, it will process the data received and wait for the time set in H5-06 until it
responds. Increase H5-06 if the drive response causes overrun in the master.
Time
Command message Response message Command message
PLC→Drive PLC→DriveDrive→PLC
24 bit length
H5-06
setting
Figure C.8 Minimum Response Wait Time
C.7 Communications Timing
206
YASKAWA ELECTRIC SIEP C710606 31A YASKAWA AC Drive – J1000 Technical Manual
- YASKAWA AC Drive-J1000 1
- Table of Contents 3
- Preface & General Safety 9
- Applicable Documentation 10
- Terms and Abbreviations 10
- Drive Label Warnings 13
- Warranty Information 14
- Quick Reference 14
- Receiving 15
- 1.1 Section Safety 16
- Nameplate 17
- Three-Phase 200 V 18
- Three-Phase 400 V 18
- 1.3 Component Names 20
- Mechanical Installation 23
- 2.1 Section Safety 24
- 2.2 Mechanical Installation 26
- IP20/Open-Chassis Drives 29
- Electrical Installation 31
- 3.1 Section Safety 32
- Main circuit 34
- Control circuit 34
- 3.5 Protective Covers 38
- Three-Phase 200 V Class 40
- Three-Phase 400 V Class 40
- Ground Wiring 40
- 3.7 Control Circuit Wiring 42
- Wiring Procedure 44
- DIP Switch S3 46
- 3.8 I/O Connections 47
- 3.9 Main Frequency Reference 48
- 3.10 Braking Resistor 50
- 3.12 Wiring Checklist 52
- 4.1 Section Safety 54
- Start-Up Programming 55
- & Operation 55
- Keys, Displays, and LEDs 56
- PROGRAMMING MODE 58
- DRIVE MODE 58
- Drive Mode Details 60
- Programming Mode Details 60
- 4.4 Start-up Flowchart 64
- No-Load Operation Test Run 66
- Parameter Access Level: A1-01 68
- Copy Function (Optional) 68
- 5.1 A: Initialization 72
- Setting 0: Operator 76
- 5.2 b: Application 80
- 5.3 C: Tuning 81
- C2: S-Curve Characteristics 82
- C3: Slip Compensation 82
- C4: Torque Compensation 83
- C6: Carrier Frequency 83
- 5.4 d: Reference Settings 86
- Operating 88
- 5.5 E: Motor Parameters 90
- E2: Motor 1 Parameters 92
- Setting 14: Fault Reset 97
- Setting 1: Zero Speed 100
- Setting 2: Speed Agree (f 100
- Agree ) 100
- Parameter Details 101
- Frequency 104
- Bias = 0 % 104
- 0 V 10 V 104
- Gain = 100 % 104
- 5.7 L: Protection Functions 107
- <1> 110
- <1> 110
- L4: Speed Agree 111
- L5: Fault Restart 112
- L6: Torque Detection 112
- L8: Hardware Protection 113
- L8-18: Software CLA Selection 114
- 5.8 n: Special Adjustments 116
- This Page Intentionally Blank 122
- Troubleshooting 123
- 6.1 Section Safety 124
- <2> 127
- Minor Faults and Alarms 128
- Operation Errors 128
- 6.4 Fault Detection 130
- 6.5 Alarm Detection 136
- Run Command 140
- 7.1 Section Safety 146
- Periodic Inspection & 147
- Maintenance 147
- 7.2 Inspection 148
- Installing the Cooling Fan 152
- 8.1 Section Safety 154
- Peripheral Devices & 155
- Installing a Leakage Breaker 158
- Connecting a Surge Suppressor 159
- Connecting a Noise Filter 160
- Zero-Phase Reactor 161
- Long Motor Cables 162
- (Figure 8.12, A) 166
- Appendix: A 169
- Specifications 171
- <2> 173
- <3> 173
- <4> 173
- A.4 Drive Specifications 174
- A.6 Drive Derating Data 176
- Appendix: B 177
- B.1 Parameter Groups 178
- <22> 179
- C: Tuning 180
- Parameter List 181
- E: Motor Parameters 182
- <37> 183
- <57> 183
- <18> 184
- <39> 186
- <63> 187
- <7> 187
- <12> 188
- Multi-Function 191
- Digital Output (fault) 191
- (terminal MA/MB-MC) 191
- B.2 Parameter Table 192
- Appendix: C 195
- C.1 Section Safety 196
- Master (PLC or other) 197
- DRIVE DRIVE 197
- MEMOBUS/Modbus 197
- Communications 197
- S– S+ IG R– R+ 199
- RS-485 Interface 200
- RS-422 Interface 200
- Network Termination 201
- H5-01: Drive Slave Address 202
- H5-07: RTS Control Selection 203
- Setting 0: 0.1Hz / 1 204
- Setting 1: o1-03 based 204
- Setting 2: 100% / 30000 204
- Setting 3: 0.1% / 1 204
- C.7 Communications Timing 206
- C.8 Message Format 208
- C.9 Message Examples 210
- Command Data 212
- Broadcast Messages 216
- Issuing an Enter Command 218
- Appendix: D 221
- D.1 Section Safety 222
- Standards Compliance 223
- D.2 European Standards 224
- EMC Filters 227
- Drive Short-Circuit Rating 230
- E2-01 Motor Rated Current 230
- D.4 User Setting Table 232
- Numerics 235
- 08-5-2_YEA 242
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