Setting Protocol; Modbus Configuration Registers; Device Address (30002); Baud Rate And Protocol (30003) - iSMA CONTROLLI iSMA-B-MG-IP User Manual

iSMA-B-MG-IP User Manual

5.2.3 Setting Protocol

Protocol selection is made by sections 4 and 5 of the S3 DIP switch according to the table:
4
Off (0)
Off (0)
On (1)
On (1)

5.3 Modbus Configuration Registers

WARNING!
Changing the parameters configuring a transmission (except for registers which value
is read from the switch) will only take effect after restarting the device.

5.3.1 Device Address (30002)

This register contains information about the address of the Modbus device. This address
is set by using switches S1 and S2 (see Modbus Settings section).

5.3.2 Baud Rate and Protocol (30003)

The register contains information about the baud rate of COM1 port and the type of
protocol in accordance with the table below. This register reflects the state of the S3 DIP
switch.
Bit 0 Bit 1
0 0
0 0
0 1
0 1
1 0
1 0
1 1
5
Off (0)
On (1)
Off (0)
On (1)
Table 6. Setting protocol
Baud rate
Bit 2 Baud rate
0 User defined
1 76800
0 4800
1 9600
0 19200
1 38400
0 57600
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Modbus RTU
Modbus ASCII
N/A
N/A
Bit 3 Bit 4
0 0
0 1
1 0
1 1
DMP260en | 1st Issue rev. 6 | 05/2022
Protocol
Protocol
Protocol
Modbus RTU
Modbus ASCII
N/A
N/A
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