Yokogawa UT35A Digital Indicating Controller

Overview

The Yokogawa UT35A is a compact and reliable digital indicating controller designed for industrial process applications. It belongs to the UTAdvanced series, offering high precision and flexible control in a 1/4 DIN panel size. The controller supports single-loop control with PID, ON/OFF, or heating/cooling modes. Its bright color LCD display with intuitive navigation keys ensures quick setup and smooth operation. With built-in ladder sequence programming, the UT35A can perform basic logic functions, often reducing the need for a separate PLC.

Technical Specifications

• Model: UT35A

• Controller Type: Digital Indicating Controller

• Mounting Size: 1/4 DIN (96 × 96 mm)

• Control Mode: Single-loop control

• Control Types: PID, ON/OFF, two-position/two-level, heating/cooling

• Input Types: Universal input (Thermocouple, RTD, Voltage, Current)

• Display: 14-segment color LCD with status indicators

• Setpoints: Up to 4 target setpoints with independent PID groups

• Alarm Outputs: Up to 3 configurable alarms

• Digital I/O: Up to 8 digital outputs

• Analog Output: Optional 4–20 mA retransmission output

• Communication Options: RS-485 (Modbus/PC Link), Ethernet

• Ladder Sequence Function: Built-in, supports 13 basic and 73 application commands

• Sampling Period: 200 ms

• Power Supply: 100–240 V AC or 24 V AC/DC

• Operating Temperature: –10°C to +50°C

• Protection Rating: IP66 (front panel)

• Accuracy: ±0.1% of reading or better, depending on input type

• Alarm Functions: Up to 4 alarms with configurable alarm types

• Supply Voltage: 100 to 240 V AC or 24 V AC/DC

• Dimensions: 96 × 96 × 100 mm (W × H × D)

• Mounting: Panel mount