Siemens SITRANS L Operating Instructions Manual page 56

With this function code different diagnostic functions are triggered or diagnostic
values read out.
Request:
Response:
Implemented function codes:
Sub Function Code
0x00
0x0B
With sub function codes 0x00 only one 16 bit value can be written.
This function code is used to write to several Holding Registers. In a request, it can
only be written to registers that are in direct succession.
Request:
Response:
With this function code, the Slave ID is queried.
Request:
Response:
With this function code, the Device Identification is queried.
Request:
SITRANS LR110
Operating Instructions, 12/2020, A5E49829013
Parameter
Start Address
Register Value
Parameter
Function Code
Sub Function Code
Data
Function Code
Sub Function Code
Data
Parameter
Function Code
Start Address
Register Value
Byte Number
Register Value
Function Code
Sub Function Code
Data
Parameter
Function Code
Function Code
Byte Number
Slave ID
Run Indicator Status
Parameter
Function Code
MEI Type
Technical data and dimensions
Length Code/Data
2 Bytes 2*N
2 Bytes Data
Length Code/Data
1 Byte 0x08
2 Bytes
N*2 Bytes Data
1 Byte 0x08
2 Bytes
N*2 Bytes Data
Name
Return Data Request
Return Message Counter
Length Code/Data
1 Byte 0x10
2 Bytes 0x0000 to 0xFFFF
2 Bytes 0x0001 to 0x007B
1 Byte 2*N
N*2 Bytes Data
1 Byte 0x10
2 Bytes 0x0000 to 0xFFFF
2 Bytes 0x01 to 0x7B
Length Code/Data
1 Byte 0x11
1 Byte 0x11
1 Byte
1 Byte
1 Byte
Length Code/Data
1 Byte 0x2B
1 Byte 0x0E
12.8 Function codes
49