SfAR-1M-1AI1DO User Manual
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DMP264en | 3rd Issue rev. 1 | 05/2022
page 9 of 19
Type
Beginning Address
Variable
Access
Modbus Command
4
40001
Output Registers
Registered
Read/write
4, 6, 16
Table 3. Types of Modbus functions supported by the module
4.4 Communication Settings
The data stored in the module's memory is given in the 16-bit registers. The access to
registers is via Modbus RTU or Modbus ASCII.
4.5 Default Settings
Parameter Name
Value
Address
1
Baud rate
19200
Parity
No
Data bits
8
Stop bits
1
Reply delay [ms]
0
Modbus type
RTU
Table 4. Default settings
4.6 Configuration Registers
Modbus Address
Decimal Address
Hex Address
Name
Values
40002
1
0x01
Address
From 0 to 255
40003
2
0x02
Baud rate
0 – 2400
1 – 4800
2 – 9600
3 – 19200
4 – 38400
5 – 57600
6 – 115200
other – value * 10
40005
4
0x04
Parity
0 – none
1 – odd
2 – even
3 – always 0
4 – always 1
