Wiring Connection To The Modbus Module - Toshiba PROSEC T2 Series User Manual

6.2. Wiring Connection to the Modbus Module

Sometimes it is necessary to convert from the standard RS485 to RS232 for connection to a
Personal Computer. The wiring between the Modbus module and the converter must be set
as follows:
Note: Different RS485 converters have different connections.
commonly available converter is used, TXA connects to RXB, TXB connects to RXA, etc.
Please refer to the converter manufacturer's instructions.
RS485 Converter
TXA
RXA
TXB
RXB
SG
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Modbus Module
RXA
TXA
RXB
TXB
SG
For example, when one