Omron CJ1W-EIP21 User Manual

2-11
2 Installing Ethernet Networks
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
2-5 Connecting to the Network
2
2-5-3 Noise Countermeasures for Contact Output Units
When an EtherNet/IP Unit and Contact Output Unit are mounted in the same Controller, communica-
tions errors may occur due to the noise that is generated by the contact outputs. Take either of the fol-
lowing countermeasures.
 Separating the Units
Separate the EtherNet/IP Unit as far as possible from the Contact Output Units.
 Separating the Cables
Separate the twisted-pair cable that is connected to the EtherNet/ IP Unit as far as possible from the
wiring to the Contact Output Units.
2-5-3 Noise Countermeasures for Contact Output Units
Contact Output Unit
EtherNet/IP Unit
Contact outputs
To switching hub
Contact Output Unit
EtherNet/IP Unit
Contact outputs
To switching hub

Omron CJ1W-EIP21 Specifications

General

Brand	Omron
Model	CJ1W-EIP21
Category	Controller
Language	English