VEGA VEGABAR 81 Modbus and Levelmaster protocol - Operating Instructions - Manual (Page 70)

70
10 Supplement
VEGABAR 81 • Modbus and Levelmaster protocol
46293-EN-131107
Parameter Length Code/Data
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
Response:
Parameter Length Code/Data
Function Code 1 Byte 0x11
Byte Number 1 Byte
Slave ID 1 Byte
Run Indicator Status 1 Byte
FC43 Sub 14, Read Device Identification
With this function code, the Device Identification can be queried.
Request:
Parameter Length Code/Data
Function Code 1 Byte 0x2B
MEI Type 1 Byte 0x0E
Read Device ID Code 1 Byte 0x01 to 0x04
Object ID 1 Byte 0x00 to 0xFF
Response:
Parameter Length Code/Data
Function Code 1 Byte 0x2B
MEI Type 1 Byte 0x0E
Read Device ID Code 1 Byte 0x01 to 0x04
Confirmity Level 1 Byte 0x01, 0x02, 0x03, 0x81, 0x82, 0x83
More follows 1 Byte 00/FF
Next Object ID 1 Byte Object ID number
Number of Objects 1 Byte
List of Object ID 1 Byte
List of Object length 1 Byte
List of Object value 1 Byte Depending on the Object ID