Lenze E94P PositionServo Modbus Manuale Utente Scaricare il pdf (Pagina 4)

4P94MOD01C

Contents

4.5 Controlling the Drive ..................................................................................................... 22

4.6 Changing Drive Parameters .......................................................................................... 22

4.7 EIA-485 (RS485) Parameters ........................................................................................ 22

4.8 Ethernet Parameters ..................................................................................................... 23

4.9 Negative Number Transmission .................................................................................... 23

5 Modbus Implementation ............................................................................................................ 24

5.1 Supported Function Codes ............................................................................................ 24

5.2 Data Format, Size and Memory Area ............................................................................. 24

5.3 Register Numbering ...................................................................................................... 25

5.4 Endian Format .............................................................................................................. 26

5.5 Registers Access .......................................................................................................... 26

5.5.1 Register Reading .............................................................................................. 26

5.5.2 Register Writing................................................................................................26

5.6 No Response Conditions ............................................................................................... 26

5.7 Exception Responses .................................................................................................... 27

5.8 Modbus Message Frame ............................................................................................... 27

5.8.1 PDU Function Code ........................................................................................... 27

5.8.2 PDU Data ......................................................................................................... 27

5.8.3 ADU for Modbus RTU ........................................................................................ 28

5.8.4 ADU for Modbus TCP ........................................................................................ 28

6 Reference ................................................................................................................................. 29

6.1 PID List with Modbus Values ......................................................................................... 29

1 2 3 4 5 6 7 8 9 ... 37 38

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Lenze E94P PositionServo Modbus Manuale Utente Pagina 4