OVERVIEW

Official designation: Omron CJ1W-OC201 (CJ1, Relay Contact Output Unit)

Role/Application: A basic digital output module for the Omron CJ-series PLC, providing eight independent relay contact outputs for switching external loads up to 250 VAC or 24 VDC.

KEY SPECS SUMMARY

Power: 90 mA max at 5 V DC

Interfaces / Ports: Removable screw terminal block

Indicators: 8 output status LEDs

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: Omron CJ1/CJ1M PLCs

Limit: 2 A max per output, 16 A max per unit

Lifecycle: Active, cULus and CE approved

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum guaranteed mechanical service life of the CJ1W-OC201 relay contacts?

A: The mechanical service life is 20,000,000 operations, though electrical life varies by load type.

Wiring & Installation:

Q: What is the maximum wire size that can be connected to the removable screw terminal block?

A: The terminal block accommodates wire sizes up to 2 square millimeters or 14 AWG.

Troubleshooting & Compatibility:

Q: Does the CJ1W-OC201 output unit include any short-circuit protection features for the load side?

A: The CJ1W-OC201 model does not include short-circuit protected outputs.

Replacement & Upgrades:

Q: What is the primary difference in response time between the CJ1W-OC201 and high-speed transistor output units?

A: The relay unit response time is 15 milliseconds maximum, significantly slower than high-speed transistor units.