E6581222
2
Contents
1. General outlines of the communications function........................................................................................................3
2. Data transmission specifications.................................................................................................................................4
3. Communication protocol............................................................................................................................................. 5
4. TOSHIBA Inverter Protocol.........................................................................................................................................6
4.1. Data transmission formats..................................................................................................................................8
4.1.1.Data transmission formats used in ASCII mode ....................................................................................... 8
4.1.2.Data transmission formats used in binary mode ..................................................................................... 11
4.1.3.Transmission Format of Block Communication....................................................................................... 14
4.2. Commands....................................................................................................................................................... 18
4.3. Transmission errors..........................................................................................................................................21
4.4. Broadcast communications function................................................................................................................. 22
4.5. Examples of the use of communication commands..........................................................................................24
4.6. Examples of RS232C communication programs.............................................................................................. 25
5. MODBUS-RTU protocol............................................................................................................................................30
5.1. MODBUS-RTU transmission format .............................................................................................................. 32
5.1.1.Read command (03) ............................................................................................................................... 32
5.1.2.Write command (06) ............................................................................................................................... 33
5.2. CRC Generation............................................................................................................................................... 34
5.3. Error codes.......................................................................................................................................................34
6. Inter-drive communication.........................................................................................................................................35
6.1. Speed proportional control............................................................................................................................... 38
6.2. Transmission format for inter-drive communication.......................................................................................... 39
7. Communications parameters.................................................................................................................................... 40
7.1. Communication baud rate() , Parity bit()..................................................................................41
7.2. Inverter number()................................................................................................................................. 41
7.3. Timer function()....................................................................................................................................42
7.4. Setting function of communication waiting time ()................................................................................ 43
7.5. Free notes()......................................................................................................................................... 43
8. Commands and monitoring from the computer......................................................................................................... 44
8.1. Communication commands (commands from the computer)........................................................................... 44
8.2. Monitoring from the computer...........................................................................................................................47
8.3. Control of input/output signals from communication......................................................................................... 53
8.4. Utilizing panel (LEDs and keys) by communication.......................................................................................... 56
8.4.1.LED setting by communication................................................................................................................ 56
8.4.2.Key utilization by communication ............................................................................................................ 59
9. Parameter data......................................................................................................................................................... 60
Appendix 1 Table of data codes........................................................................................................................................ 63
Appendix 2 Response time............................................................................................................................................... 64
Appendix 3 Compatibility with the communications function of the VF-S9........................................................................ 65
Appendix 4 Troubleshooting..............................................................................................................................................66