Modbus Rtu Commands - Siemens SITRANS LG260 Operating Instructions Manual
Guided wave radar. four-wire modbus converter version in second chamber rod and cable probe
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Also See for SITRANS LG260:
- Operating instructions manual (88 pages) ,
- Operating instructions manual (88 pages)
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Unit Code
111
112
113
10.4 Modbus RTU commands
FC3 Read Holding Register
With this command, any number (1-127) of holding registers can be read out. The start register,
from which the readout should start, and the number of registers are transmitted.
Request:
Parameter
Function Code
Start Address
Number of Registers
Response:
Parameter
Function Code
Start Address
Register Value
FC4 Read Input Register
With this command, any number (1-127) of input registers can be read out. The start register, from
which the readout should start, and the number of registers are transmitted.
Request:
Parameter
Function Code
Start Address
Number of Registers
Response:
Parameter
Function Code
Start Address
Register Value
76
Measurement Unit
Cubic Yards
Cubic Feet
Cubic Inches
Length
1 Byte
2 Bytes
2 Bytes
Length
1 Byte
2 Bytes
N*2 Bytes
Length
1 Byte
2 Bytes
N*2 Bytes
Length
1 Byte
2 Bytes
N*2 Bytes
SITRANS LG260 - Operating Instructions
Code/Data
0x03
0x0000 to 0xFFFF
1 to 127 (0x7D)
Code/Data
0x03
2*N
Data
Code/Data
0x04
0x0000 to 0xFFFF
1 to 127 (0x7D)
Code/Data
0x04
2*N
Data
PBD-51041059
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