This temperature controller provides precise thermal regulation for industrial ovens and furnaces. It accepts thermocouple and RTD input signals for accurate temperature measurement. Engineers choose this unit for its PID control algorithms and auto-tuning capabilities. Its design suits demanding applications such as injection molding and packaging equipment.
Control Architecture and Input Configuration
The Fuji FTU123B features single-loop control architecture with configurable setpoints. Its PID algorithm delivers stable regulation for heating and cooling processes. The auto-tuning function calculates optimal PID parameters automatically for each application. Consequently, operators can deploy this controller without extensive manual tuning procedures. The module accepts both thermocouple and resistance temperature detector (RTD) inputs for versatile sensor compatibility.
Physical Specifications and Interface Connections
The Fuji FTU123B measures 12.0 cm in height, 6.5 cm in width, and 10.5 cm in depth. Its weight reaches approximately 0.30 kg for straightforward installation. The unit occupies a single slot on the FTU Series baseplate. A removable terminal block accommodates all field wiring connections for sensors. This terminal block accepts wire sizes from 0.2 to 1.5 mm² (24 to 16 AWG).
Output Capabilities and Power Requirements
The Fuji FTU123B provides relay output rated at 3 Amps at 240 VAC for heater control. It also features a configurable alarm output for process value monitoring. This controller draws 150 mA from the backplane at 24 VDC for internal logic. Energy storage capacitors maintain control parameters during brief power interruptions. The front panel includes LED indicators for power, output, and alarm status.
Key Technical Specifications
The table below summarizes the critical parameters for the Fuji FTU123B.
| Parameter | Specification |
|---|---|
| Model Number | FTU123B |
| Manufacturer | Fuji Electric |
| Product Category | Temperature Controller |
| Series | FTU Series |
| Input Types | Thermocouple, RTD |
| Control Type | PID with auto-tuning |
| Output Type | Relay, 3 A at 240 VAC |
| Alarm Output | 1 configurable alarm |
| Backplane Current | 150 mA at 24 VDC |
| Dimensions (H x W x D) | 12.0 cm x 6.5 cm x 10.5 cm |
| Weight | 0.30 kg |
| Wiring | Removable terminal block |
| Wire Size | 0.2–1.5 mm² (24–16 AWG) |
| Communication | Modbus support |
| Mounting | Single slot on FTU baseplate |
Installation and System Integration
The Fuji FTU123B integrates seamlessly with Fuji FTU Series PLC systems. It supports Modbus communication for remote monitoring and setpoint adjustments. Users can configure control parameters through standard Fuji programming software. Therefore, this controller enables precise thermal management across various industrial applications. The compact design allows efficient use of panel space in dense installations.
Details
| Weight | 0.30 kg |
|---|---|
| Dimensions | 120 × 65 × 105 mm |
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