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Omron CJ1 CJ1W-TC104

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CJ1W-TC104

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The CJ1W-TC104 is a temperature control unit from Omron's CJ1 series. With a compact weight of 0.33 lbs, it features an internal voltage rating of 5 Volts DC, while providing an external output of 24 Volts DC. This device is engineered for precision with a sampling period of 500 ms and supports two loops. A platinum resistance thermometer (JPt100, Pt100) serves as the temperature sensor input, allowing for accurate measurements.

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Technical specifications for CJ1W-TC104

ManufacturerOmron
Product TypeTemperature Control Unit
Product LineCJ1
Part NumberCJ1W-TC104
Weight2.00 lbs (0.91 kg)
Sampling Period500 ms
Voltage RatingInternal 5 Volts DC (backplane); output power external 24 Volts DC
Current Consumption250 mA max. at 5 Volts DC (internal)
Temperature Sensor InputPlatinum resistance thermometer (JPt100, Pt100)
Number of Loops2 loops (includes heater burnout detection)
Control OutputPNP transistor output, short-circuit protected, rated at 100 mA/output max.
Indication Accuracy±0.3% of the PV or ±0.8°C (larger) ±1 digit max.
Operating Temperature Range0 to 55 °C
Storage Temperature Range-20 to 70 °C
Relative Humidity Range10% to 90% (Non-Condensing)
Installation Altitude2,000 m
Terminal BlockRemovable block with 18 points and M3 screws
Effect on the CPU Cycle Time0.4 ms
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The Omron CJ1W-TC104 serves as a crucial temperature control unit in automated systems. This model accommodates an internal power supply of 5 Volts DC and can extend an output of 24 Volts DC externally. It records a weight of just 0.33 lbs, contributing to streamlined installations. With a sampling period set at 500 ms, this unit is designed to respond effectively to changes in temperature.

It utilizes a platinum resistance thermometer, compatible with both JPt100 and Pt100 temperature sensors. The architecture includes two control loops, integrating features for heater burnout detection, making it versatile for various applications. The control output operates via a PNP transistor, rated for maximum outputs of 100 mA, ensuring robust performance with inherent short-circuit protection.

The device's accuracy is notable, with an indication deviation of ±0.3% of the process variable or ±0.8°C, providing precision during operations. Operating conditions allow a temperature range between 0 to 55 °C while it can be stored at temperatures from -20 to 70 °C. This unit remains functional in relative humidity levels of 10% to 90% without condensation.

Designed for installation at altitudes up to 2,000 meters, the CJ1W-TC104 includes a removable terminal block equipped with 18 points and M3 screws for simple wiring. It has a minimal effect on the CPU cycle time of just 0.4 ms, guaranteeing efficient performance in control applications.