Omron NB3Q-TW_B User Manual

5 Modbus Connection
5-12
NB-series Programmable Terminals Host Connection Manual (V108)
5-7 Example of NB as Modbus Slave
Communication by Modbus RTU Slave protocol
System description: Use CP1E-N30D- (30-point I/O type) as Modbus master and an NB Unit as
Modbus slave to perform the communication.
CP1E-N30D
- should connect to CP1W-CIF11 module functioning as RS485 communication port.
Use CX-Programmer to configure the peripheral port.
Make the communication settings as follows: 9600, 8, 1, Even and Modbus-RTU simple master.
PLC Setting

Omron NB3Q-TW_B Specifications

General

Brand	Omron
Model	NB3Q-TW_B
Category	Touch terminals
Language	English