Wiring The Nx1W-Cif11/-Cif12 Serial Communications Option Board - Omron NX1P2 Series Hardware User Manual

5 Installation and Wiring
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
CO-HC-ESV-3P×7/0.2
Recommended ferrules
Manufacturer
Phoenix Contact
l Wiring
• To make the connection, insert the ferrule into the terminal hole on the terminal block. Insert the
ferrule until it is locked inside.
• To 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
SZS 0,4×2,5
SZF 0-0,4×2,5
ESD 0.40×2.5
0,4×2,5×75 302
AEF.2,5×75
210-719
5-74
Hirakawa Hewtech Corp.
Model numbers
AI-0.25-12
Release button
2-conductor shielded
twisted-pair cable
Manufacturer
Phoenix Contact
*1
Wera
Wiha
Facom
Wago
Manufacturer
Applicable wire
AWG24
NX-series NX1P2 CPU Unit Hardware User's Manual (W578)