The Yokogawa UT150-RN/AL serves as the primary UT150-RN/AL Temperature Controller utilized to execute time-proportional PID or ON/OFF control across process control architectures.
The Yokogawa UT150-RN/AL serves as the primary UT150-RN/AL Temperature Controller utilized to execute time-proportional PID or ON/OFF control across process control architectures.
Hardware Specifications
Parameter
Specification
Model
UT150-RN/AL
Brand
Yokogawa
Origin
Standard Industrial Specification
Weight
0.8 kg
Dimensions
Standard Panel Mount
Operating Temp
Standard Industrial Rating
Power Consumption
Standard Line Power
Output Type
Relay output (time-proportional PID or ON/OFF control)
Cooling Output
No cooling output (standard type)
Alarm Outputs
2 points
Channel-to-Channel Isolation and Loop Protocol
The hardware configuration maintains strict electrical isolation across control and alarm circuits to eliminate ground loop interference and suppress transient voltage surges from connected actuators. Integration with standard process control communication and signal protocols ensures continuous feedback, precise setpoint regulation, and transparent loop execution without signal degradation.
Frequently Asked Questions
Q: What are the restrictions regarding replacement or reconfiguration of discontinued controller models?
A: Replacement units must match the exact suffix and power supply specifications to ensure proper terminal assignment and loop compatibility without altering panel cutout dimensions.
Q: How are control outputs managed during sensor input failure states?
A: The controller defaults to a predefined safe output state or de-energizes the relay output upon detecting an open-circuit sensor fault to protect process equipment.
Field Installation Guidelines
Mount the controller securely into the designated panel cutout using the provided mounting brackets, ensuring proper environmental sealing against dust and moisture ingress. Route sensor inputs and relay output wiring away from high-voltage power conduits and use shielded cables to maintain measurement accuracy. Terminate shielding and ground drain wires securely to the designated cabinet earth grounding bar.
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