Digi TransPort WR31 User Manual page 593

Configure legacy protocols
Duplex Mode
The duplex mode, which can be half or full. Use full for 4-wire installations; otherwise half is
required.
Operation Mode
The operation mode to master or slave.
Idle Gap
When receiving an modbus response from a station when this idle gap (pause with no reception
of characters) is detected the message (currently received from the station) is at that staged
forwarded on as the complete response.
Fix slave address
The address of the slave is fixed at this value. An address conversion will occur if a message that
does not contain this address is received from the TCP master. If you do not use this setting, the
TCP master must use the correct slave address.
Adjust slave address
The address of the slave is adjusted by this value. If left at 0, the slave address is not adjusted at
all.
Digi TransPort WR Routers User Guide
Configure MODBUS Gateway parameters
593