OVERVIEW

Official designation: Omron CJ1W-TC104 (CJ1 Series, Temperature Control Unit)

Role/Application: Dedicated I/O module for the Omron CJ1 PLC, providing two control loops for Pt100 RTD sensor inputs, including heater burnout detection.

KEY SPECS SUMMARY

Power: 5 VDC, 0.25 A current consumption

Interfaces / Ports: Removable screw terminal block, M3 screws

Indicators: Output indicator (OUT), Refer to the latest manufacturer manual.

Operating Temp: 0 degrees C to plus 55 degrees C

Platform / Compatibility: CJ I/O Bus, DIN rail mountable

Limit: 2 control loops, Pt100 RTD input type

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the control loop cycle time and the digital output type for the CJ1W-TC104 module?

A: The control loop cycle time is 500 ms for 2 loops, and the output type is PNP voltage pulse.

Wiring & Installation:

Q: What are the recommended wiring precautions for the I/O lines to minimize noise?

A: Use twisted-pair shielded wire for outputs and keep I/O lines separate from all power lines.

Troubleshooting & Compatibility:

Q: What is the required screw torque and wire size when wiring to the terminal block?

A: The terminal screws are M3, requiring a torque of 0.5 N-m, and wire size should be AWG 22 to AWG 18.

Replacement & Upgrades:

Q: What is the direct modern replacement product series for the discontinued CJ1W-TC104 module?

A: Recommended replacement controllers include units from the Omron NX series.