Emerson P/N MMI-20019808 Manuel D’Utilisation

Basic Network Configuration

3.2

Modbus serial network settings

The default parameters for the Modbus serial network are listed in the following table.

These must match the RS-485 parameters configured in the transmitter. To change them in the 
EtherNet/IP Module, you must use the Ethernet Config Tool. See the Anybus Communicator 
manual for more information.

Table 3-3  Default parameters for Modbus serial network

Parameter

Default setting

Valid values

Baud

38400

1200 to 57600

Data bits

8 (Modbus RTU)

7 (Modbus ASCII)
8 (Modbus RTU)

Parity

None

None
Odd
Even

Physical layer

RS485

RS485 (required for EtherNet/IP Module)

Start bits

1

1

Stop bits

(1)

2

1
2