Omron CJ2 - Page 339

A-109
Appendices
CJ2 CPU Unit Hardware User’s Manual
A-4 Connecting to the RS-232C Serial Port on the CPU Unit
App
A-4-5 Wiring Connectors
z Connections to the CPU Unit
• Always turn OFF the power supply to the PLC before connecting or disconnecting communica-
tions cables.
• Tighten the communications connector attachment screws to 0.4 N·m.