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10 Operation
Example (question / answer)
Question
Start Char
162
Slave Address
Function
Starting Address Hi
Starting Address Lo
No. of Points Hi
No. of Points Lo
LRC / CRC
carriage return
line feed
Reply:
Start Char
Slave Address
Function
Byte Count
Data Hi (Reg 2000)
Data Lo (Reg 2000)
LRC
carriage return
line feed
Manual USM GT400 · EN10 · May 2021
Modbus - ASCII
Modbus - RTU
:
01
01
03
03
0F
0F
A2
A2
00
00
01
01
42
26
CR
FC
LF
:
01
01
03
03
02
02
A8
A8
01
01
51
06
CR
44
LF
Register = 4002 (0FA2)
Amount = 0001 (0001)
Wert = A801
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