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5 Installation and Wiring
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
5-4 Wiring
5
5-4-11 Wiring the NX1W-CIF11/-CIF12 Serial Communications Option Board
Use the following wiring methods for RS-422A/485 to maintain transmission quality.
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
Recommended ferrules
Wiring
• To make the connection, press the release button in with a small flat blade screwdriver and push
the line in while the lock is released. Remove the screwdriver and lock it 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
5-4-11 Wiring the NX1W-CIF11/-CIF12 Serial Communications Option
Board
Recommended RS-422A/485 Wiring
Model numbers Manufacturer
CO-HC-ESV-3P×7/0.2 Hirakawa Hewtech Corp.
Manufacturer Model numbers Applicable wire
Phoenix Contact AI-0.25-12 AWG24
Model Manufacturer
SZS 0,4×2,5
SZF 0-0,4×2,5
*1
*1. You can purchase the SZF 0-0,4×2,5 screwdriver (manufactured by Phoenix
Contact) from OMRON by specifying the OMRON's model number (XW4Z-00B).
Phoenix Contact
ESD 0.40×2.5 Wera
0,4×2,5×75 302 Wiha
AEF.2,5×75 Facom
210-719 Wago
SDI 0.4×2.5×75 Weidmuller
Release button
2-conductor shielded
twisted-pair cable
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