Vega VEGAFLEX 83 Modbus and Levelmaster protocol PFA in Manual de usuario descargar pdf (Pagina 79)

11 Supplement

VEGAFLEX 83 • Modbus and Levelmaster protocol

41838-EN-130314

Request:

Parameter Length Code/Data

Function Code 1 Byte 0x08

Sub Function Code 2 Bytes

Data N*2 Bytes Data

Response:

Parameter Length Code/Data

Function Code 1 Byte 0x08

Sub Function Code 2 Bytes

Data N*2 Bytes Data

Implemented function codes:

Sub Function Code Name

0x00 Return Data Request

0x0B Return Message Counter

With sub function codes 0x00 only one 16 bit value can be written.

FC16 Write Multiple Register

With this function code, several holding registers can be writen. Only registers can be written in an

enquiry which are immediately consecutive. If there are gaps (registers do not exist) between the

registers, then they cannot be written in a telegram.

Request:

Parameter Length Code/Data

Function Code 1 Byte 0x10

Start Address 2 Bytes 0x0000 to 0xFFFF

Byte Number 1 Byte 2*N

Response:

Parameter Length Code/Data

Function Code 1 Byte 0x10

Sub Function Code 2 Bytes 0x0000 to 0xFFFF

Data 2 Bytes 0x01 to 0x7B

FC17 Report Slave ID

With this function code, the Slave ID can be queried.

Request:

Parameter Length Code/Data

Function Code 1 Byte 0x11

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 95 96

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Vega VEGAFLEX 83 Modbus and Levelmaster protocol PFA in Manual de usuario Pagina 79