Table Of Contents - Toshiba TOSVERT VF-FS1 Instruction Manual

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
5. MODBUS-RTU protocol............................................................................................................................................ 25
5.1. MODBUS-RTU transmission format .............................................................................................................. 27
5.1.1. Read command (03) ............................................................................................................................... 28
5.1.2. Block Read command (03) ..................................................................................................................... 29
5.1.3. Write command (06 , 16) ........................................................................................................................ 31
5.1.4. Block Write command (16)...................................................................................................................... 33
5.1.5. Identification command (43).................................................................................................................... 35
5.2. CRC Generation............................................................................................................................................... 37
5.3. Error codes....................................................................................................................................................... 38
6. Inter-drive communication......................................................................................................................................... 39
6.1. Speed proportional control ............................................................................................................................... 42
6.2. Transmission format for inter-drive communication.......................................................................................... 43
7. Communications parameters .................................................................................................................................... 44
7.1. Communication baud rate(
7.2. Inverter number(
7.3. Timer function(
7.4. Setting function of communication waiting time (
7.5. Free notes(
8. Commands and monitoring from the computer ......................................................................................................... 48
8.1. Communication commands (commands from the computer) ........................................................................... 48
8.2. Monitoring from the computer........................................................................................................................... 52
8.3. Control of input/output signals from communication ......................................................................................... 57
8.4. Utilizing panel (LEDs and keys) by communication .......................................................................................... 60
8.4.1. LED setting by communication................................................................................................................ 60
8.4.2. Key utilization by communication ............................................................................................................ 63
9. Parameter data ......................................................................................................................................................... 64
Appendix 1 Table of data codes ........................................................................................................................................ 67
Appendix 2 Response time ............................................................................................................................................... 68
Appendix 3 Inverter Type-Form information ...................................................................................................................... 69
Appendix 4 Troubleshooting.............................................................................................................................................. 70
Appendix 5 Connecting for 2wire-RS485 communication.................................................................................................. 71
) , Parity bit(
) ................................................................................................................................. 45
).................................................................................................................................... 46
) ......................................................................................................................................... 47
).................................................................................. 45
) ................................................................................ 47
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