Configured for precise thermal regulation in industrial processes, the YOKOGAWA UT150-RR/RS (UT150 Temperature Controller) provides direct physical/electrical execution. This hardware component serves as a temperature controller utilized to execute time-proportional PID or on/off control logic, incorporating integrated communication functionality for data exchange within distributed control systems.

Suffix Breakdown & Model Matrix

• UT150: Base model series for temperature control.
• -RR: Control output configuration featuring relay output for time-proportional PID or on/off control.
• /RS: Integrated communication function for remote setpoint and process data monitoring.

Hardware Specifications

Industrial Process Control and Communication

The UT150-RR/RS manages thermal loops by modulating relay output states based on real-time sensor feedback. The unit utilizes non-volatile memory to retain control parameters, ensuring operational continuity following power cycles. The included /RS communication interface allows the controller to be integrated into serial network architectures, enabling centralized monitoring and parameter modification. The device provides consistent PID loop performance, minimizing overshoot and maintaining process stability across standard industrial temperature ranges.

Frequently Asked Questions

Q: Does the side-by-side mounting configuration affect the operational temperature rating of the UT150?

A: Yes. While the standard operating temperature is 0 to 50 deg C, side-by-side mounting restricts thermal dissipation, reducing the allowable ambient temperature range to 0 to 40 deg C.

Q: Is the relay output suitable for driving high-current inductive loads directly?

A: No. The relay output is intended for time-proportional control of auxiliary contactors or interposing relays. Direct connection to high-current actuators may result in premature contact wear or welding.

Field Installation Guidelines

• Ensure the controller is mounted in a vibration-free panel location to protect the mechanical relay and internal solder joints from fatigue.
• Verify that the power supply voltage remains within the 100-240 VAC range (±10%) to prevent internal power supply damage or control instability.
• Maintain clear airflow around the controller enclosure; avoid installation in areas where ambient humidity exceeds 90% RH to prevent internal condensation.
• Route communication cables (RS interface) separately from high-voltage power lines to mitigate electromagnetic interference and ensure data transmission integrity.
• Confirm that the terminal connections are securely tightened and that no debris or wire strands exist between adjacent terminals to prevent short-circuits.