Omron NX1P2 series

5-4-11
Wiring the NX1W-CIF11/-CIF12 Serial Communications Option
Board
Recommended RS-422A/485 Wiring
Use the following wiring methods for RS-422A/485 to maintain transmission quality.
l
Wire and Ferrule
Attach a ferrule to a wire, or use a solid wire.
Do not connect bare stranded wires directly to terminals.
The recommended solid wire specification and ferrule are given below.
Recommended RS-485 Cables
Model numbers Manufacturer
CO-HC-ESV-3P×7/0.2 Hirakawa Hewtech Corp.
Recommended ferrules
Manufacturer Model numbers Applicable wire
Phoenix Contact AI-0.25-12 AWG24
l
Wiring
Release button
2-conductor shielded
twisted-pair
cable
• To make the connection, insert the ferrule into the terminal hole on the terminal block. Insert the
ferrule until it is locked inside.
• T
o disconnect the wiring, press the release button in with a small flat-blade screwdriver and pull
the line out while the lock is released.
The following are the recommended screwdrivers to use to remove wires.
Recommended screwdriver model
Model Manufacturer
SZS 0,4×2,5
SZF 0-0,4×2,5
*1
Phoenix Contact
ESD 0.40×2.5 Wera
0,4×2,5×75 302 Wiha
AEF.2,5×75 Facom
210-719 Wago
5 Installation and Wiring
5-74
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)