OMRON CJ1W-PTS15 Thermocouple Input Unit

The OMRON CJ1W-PTS15 is a versatile and reliable thermocouple input unit designed for the CJ Series of PLCs. It offers two isolated analog inputs, supporting a variety of thermocouple types including B, E, J, K, L, N, R, S, T, U, WRe5-26, and PL II. Each input can be configured individually for type, input range, and scaling, providing flexibility in various industrial applications.

Key Features:

• High Resolution: Offers a high resolution of 1:64,000, ensuring precise temperature measurements.
• Fast Conversion: Features a fast conversion period of 10 ms per two inputs, allowing for rapid data acquisition.
• Advanced Alarms and Detection: Includes process value alarms with four points (LL, L, H, HH) and rate-of-change alarms, helping users monitor and respond to temperature changes effectively.
• Adjustment Period Control: Automatically schedules zero/span adjustments, ensuring consistent accuracy over time.
• Safety and Isolation: Provides isolation between inputs and the controller, as well as between inputs, using transformers and photocouplers, ensuring safe and reliable operation.

Technical Specifications:

• Input Impedance: Minimum 20 kΩ
• Cold Junction Compensation Error: ±1°C at 20 ±10°C
• Maximum Signal Input: ±120 mV
• Warm-up Time: 45 minutes
• Dimensions: 31 × 90 × 65 mm (W × H × D)
• Weight: 150 g max

Compatibility and Safety:

• Compatible with CJ Series PLCs
• Supports external power supply of 24 VDC
• Insulation resistance of 20 MΩ at 500 V DC
• Dielectric strength of 1,000 V AC between inputs

This unit is ideal for applications requiring precise temperature monitoring and control, offering a balance of performance, flexibility, and reliability.