OVERVIEW

Official designation: Omron CJ1W-ID212 (CJ1, Digital High-Speed Input Unit)

Role/Application: A high-speed DC input unit providing 16 non-isolated digital input points for the Omron CJ-series PLCs, designed for fast signal reception in automation systems.

KEY SPECS SUMMARY

Power: 0.13 A max current at 5 VDC

Interfaces / Ports: Detachable screw terminal block

Indicators: Input status indicators (LEDs)

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: Omron CJ-series PLCs

Limit: 16 points per common, 7 mA typical input

Lifecycle: Active, CE/UL/cUL/CSA certified

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the rated input voltage range and typical current draw for the input points?

A: The unit operates on 20.4 to 26.4 VDC and each input point draws 7 mA typical at 24 VDC.

Wiring & Installation:

Q: How should I connect the field wiring to the CJ1W-ID212 input module?

A: Field wiring connects to the detachable M3 screw terminal block provided on the front of the unit.

Troubleshooting & Compatibility:

Q: What is the programmable digital filter range for suppressing external noise on the inputs?

A: The digital filter for the input signals can be set between 0 and 32 milliseconds in the Setup.

Replacement & Upgrades:

Q: Is there a similar 16-point DC input module that uses less internal current from the PLC backplane?

A: The standard CJ1W-ID211 module has a lower internal current consumption of 80 mA maximum.