RS485 MODBUS Module 8AI
User Manual
3.4.2. Configuration registers
Modbus
Dec
Hex
Name
Values
Address
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 1
4 – always 0
40004
3
0x03
Stop Bits LSB
1 – one stop bit
2 – two stop bits
40004
3
0x03
Data Bits MSB
7 – 7 data bits
8 – 8 data bits
40006
5
0x05
Response delay
Time in ms
40007
6
0x06
Modbus Mode
0 – RTU
1 – ASCII
4. Indicators
Indicator
Description
ON
LED indicates that the module is correctly powered.
TX
The LED lights up when the unit received the correct packet and sends the
answer.
AI
V ,
AI
I
LED indicates that the signal to input is connected and is different from 0
DO
LED indicates that the output is on.
Expansion Module – 1 analog input, 1 digital output
User Manual
Version 1.3
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