OVERVIEW

Official designation: Omron CJ1W-PTS51 (CJ1W Series, Isolated Thermocouple Input Unit)

Role/Application: Isolated input module for the Omron CJ Series PLC, providing four channels for precise thermocouple-based temperature monitoring in industrial environments.

KEY SPECS SUMMARY

Power: 5 V DC 250 mA max

Interfaces / Ports: Screw Terminal Removable

Indicators: Seven LEDs total

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: CJ Series CPU Rack

Limit: Conversion speed 250 ms 4 inputs

Lifecycle: Active

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the primary supported thermocouple types and the conversion resolution?

A: The unit supports B J K L R S T types with a 0.1 degrees C resolution.

Wiring & Installation:

Q: What is the recommended type of terminal for connecting the sensor inputs?

A: The unit utilizes a removable screw terminal block for sensor connections.

Troubleshooting & Compatibility:

Q: What is the typical accuracy specification for thermocouple inputs?

A: Accuracy is plus minus 0.3 percent of Process Value or plus minus 1 degrees C whichever is greater.

Replacement & Upgrades:

Q: Are there any newer units recommended as an upgrade to the CJ1W-PTS51?

A: The CJ1W-PTS51 is currently active; refer to the latest manufacturer manual for newer high-resolution models.