Toshiba TOSVERT VF-S15 series - General Outlines of the Communication Function

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E6581913

Contents

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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