BONFIGLIOLI Vectron ACTIVE - Page 6

Modbus Instruction manual 05/084
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Modbus Instruction manual 05/08
6.7.1.3 Modbus Message RTU Framing......................................................................... 30
6.7.1.4 CRC Checking ................................................................................................. 30
6.7.2 ASCII Transmission................................................................................................ 33
6.7.2.1 Character Format ............................................................................................ 33
6.7.2.2 Modbus Message ASCII Framing....................................................................... 33
6.7.2.3 LRC Checking.................................................................................................. 34
6.8 Monitoring Timing Function .................................................................................. 35
6.9 Watchdog............................................................................................................... 35
7 Handling of Data Sets/Cyclic Writing .......................................................................... 36
8 Modbus Message Examples.......................................................................................... 38
8.1 Modbus RTU-Message Examples ........................................................................... 38
8.1.1 Function Code 3, Read 16-bit Parameter.................................................................. 38
8.1.2 Function Code 6, Write 16-bit Parameter ................................................................. 39
8.1.3 Function Code 100, Read 32-bit Parameter .............................................................. 40
8.1.4 Function Code 101, Write 32-bit Parameter.............................................................. 41
8.1.5 Function Code 8, Diagnostics .................................................................................. 42
8.2 Modbus ASCII-Message Examples ........................................................................ 43
8.2.1 Function Code 3, Read 16-bit Parameter.................................................................. 43
8.2.2 Function Code 6, Write 16-bit Parameter ................................................................. 44
8.2.3 Function Code 100, Read 32-bit Parameter .............................................................. 45
8.2.4 Function Code 101, Write 32-bit Parameter.............................................................. 46
8.2.5 Function Code 8, Diagnostics .................................................................................. 47
9 ACT Inverter Control/Reference Value........................................................................ 48
9.1 Control ................................................................................................................... 50
9.1.1 Control via Contacts............................................................................................... 50
9.1.2 Control via Control Word of Statemachine................................................................ 53
9.1.2.1 Behavior in Case of Quick Stop......................................................................... 58
9.1.2.2 Behavior in state-transition 5............................................................................ 59
9.1.3 Control via Remote Contacts................................................................................... 60
9.2 Reference Value..................................................................................................... 63
9.2.1 Reference Frequency ............................................................................................. 63
9.2.2 Reference Percentage ............................................................................................ 65
10 ACU Inverter Control/Reference Value........................................................................ 66
10.1 Control via contacts/remote contacts................................................................ 68
10.2 Control via state machine................................................................................... 71
10.2.1 Behavior in quick stop ............................................................................................ 74
10.2.2 Behavior in transition 5 .......................................................................................... 75
10.2.3 Reference value/actual value .................................................................................. 76
11 Parameter List.............................................................................................................. 78
11.1 Actual Value Menu (VAL).................................................................................... 78
11.2 Parameter Menu (PARA) .................................................................................... 78
12 Annex ........................................................................................................................... 80
12.1 Warning Messages.............................................................................................. 80
12.2 Error Messages ................................................................................................... 81
12.3 ASCII Tabelle (0x00 – 0x7F) .............................................................................. 83