Table Of Contents - Toshiba Tosvert VF-S15 Series Instruction Manual

Contents
1. General outlines of the communication function ......................................................................................................... 3
2. Data transmission specifications................................................................................................................................. 4
3. Communication protocol ............................................................................................................................................. 5
3.1. About the handling of received frames ............................................................................................................. 5
4. Toshiba inverter protocol ............................................................................................................................................ 6
4.1. Data transmission format.................................................................................................................................. 7
4.1.1. Data transmission format used in ASCII mode ..................................................................................... 7
4.1.2. Data transmission format used in binary mode ................................................................................... 10
4.1.3. Transmission format of Block Communication .................................................................................... 13
4.2. Commands ..................................................................................................................................................... 17
4.3. Transmission errors........................................................................................................................................ 20
4.4. Broadcast communication function................................................................................................................. 21
4.5. Examples of the use of communication commands........................................................................................ 23
5. Modbus RTU protocol ............................................................................................................................................... 24
5.1. Modbus RTU transmission format ................................................................................................................. 25
5.1.1. Read command (03H)......................................................................................................................... 26
5.1.2. Block Read command：Indirect (03H)................................................................................................ 27
5.1.3. Block Read command：Direct (03H) .................................................................................................. 29
5.1.4. Write command (06H, 10H) ................................................................................................................ 31
5.1.5. Block Write command (10H) ............................................................................................................... 33
5.1.6. Block Write and Read command (17H)............................................................................................... 35
5.1.7. Identification command (2BH) ............................................................................................................. 37
5.2. CRC Generation............................................................................................................................................. 39
5.3. Error codes..................................................................................................................................................... 40
6. Inter-drive communication......................................................................................................................................... 41
6.1. Speed proportional control ............................................................................................................................. 44
6.2. Transmission format for inter-drive communication........................................................................................ 46
7. Communication parameters...................................................................................................................................... 47
7.1. Baud rate (f800), Parity (f801) ............................................................................................................ 49
7.2. Inverter number (f802) ............................................................................................................................. 49
7.3. Communication time-out detection (f803) (f804) (f808) ................................................................. 50
7.4. Communication waiting time (f805) .......................................................................................................... 51
7.5. Free notes (f880) ...................................................................................................................................... 51
8. Commands and monitoring from the computer ......................................................................................................... 52
8.1. Communication commands (commands from the computer) ......................................................................... 52
8.2. Monitoring from the computer......................................................................................................................... 56
8.3. Utilizing panel (LEDs and keys) by communication ........................................................................................ 63
8.3.1. LED setting by communication............................................................................................................ 63
8.3.2. Key utilization by communication ........................................................................................................ 66
9. Parameter data ......................................................................................................................................................... 67
Appendix 1 Table of data codes ........................................................................................................................................ 71
Appendix 2 Response time ............................................................................................................................................... 72
Appendix 3 Type and Form (FB05) ................................................................................................................................... 73
Appendix 4 Troubleshooting.............................................................................................................................................. 74
Appendix 5 Connecting for RS485 communication ........................................................................................................... 75
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