Fuji Temperature Controller Manual

The Fuji Temperature Controller is a precision instrument designed for accurate temperature regulation in various industrial and commercial applications. It features PID control, multiple input types, relay outputs, alarm functions, communication capabilities, and user-friendly programming. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operation Modes 8. Advanced Functions 9. Maintenance & Care 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital display, Control buttons, Input terminals, Output relays, Communication ports, Power supply connection.

Feature	Description
PID Control	Proportional-Integral-Derivative control for precise temperature regulation
Digital Display	LED/LCD display showing current temperature and setpoint
Multiple Inputs	Supports thermocouples, RTDs, and voltage/current inputs
Relay Outputs	Control relays for heating/cooling devices
Alarm Functions	Configurable high/low temperature alarms
Communication	RS-485/RS-232 communication capabilities
Auto-tuning	Automatic PID parameter optimization
Power Supply	AC/DC power input options
Programming	User-configurable parameters and setpoints
Enclosure Rating	IP rating for environmental protection

Installation

Unpack and inspect contents. Mount in appropriate location.

Mounting: Use DIN rail mounting or panel mounting as required.
Power connection: Connect to appropriate power supply (check voltage rating).
Sensor connection: Connect temperature sensor to input terminals.
Output connection: Connect control outputs to heating/cooling devices.
Communication: Connect communication cables if required.

WARNING! Ensure proper grounding and follow electrical safety standards. Disconnect power before installation.

First-Time Setup

Power on controller; configure basic parameters.

Input type selection: Set appropriate sensor type (thermocouple, RTD, etc.).
Setpoint configuration: Enter desired temperature setpoint.
PID tuning: Run auto-tuning function or manually set PID parameters.
Alarm settings: Configure high and low temperature alarm limits.
Output configuration: Set control output type and parameters.

CAUTION! Verify all settings before putting into operation. Test alarm functions.

Specifications

Control Accuracy: ±0.1% of full scale
Input Types: K, J, T, E, N thermocouples; PT100 RTD; voltage/current
Control Output: Relay, SSR, voltage, current outputs
Display: LED or LCD digital display
Power Supply: 100-240V AC or 12-24V DC
Operating Temperature: 0°C to 50°C (32°F to 122°F)
Communication: RS-485, RS-232, Ethernet options
Enclosure: IP65 rated for dust and water protection
Dimensions: Standard DIN sizes (1/16, 1/8, 1/4 DIN)

Controls and Settings

Access parameters via front panel buttons or communication interface.

Front Panel: POWER, SET, UP, DOWN, AUTO/MANUAL, ALARM RESET.

Basic Settings: Setpoint, PID parameters, input type, output type, alarm limits. Advanced Settings: Communication parameters, display options, security settings, calibration. Operation Modes: Auto, manual, program mode with multiple segments.

Connecting Devices

Sensor inputs: Thermocouple, RTD, or analog inputs. Control outputs: Relay, SSR, analog outputs. Communication: RS-485, RS-232, Ethernet.

Turn off power before making connections.
Connect sensor using appropriate wiring (compensated cables for thermocouples).
Connect control outputs to final control elements.
Connect communication cables if remote monitoring/control required.

Tip: Use shielded cables for noise reduction in industrial environments.

Operation Modes

Supports automatic control, manual control, and program modes.

Automatic Mode: PID control maintains setpoint temperature automatically.
Manual Mode: Manual output control for testing and setup.
Program Mode: Multi-segment temperature profiles with ramp/soak functions.
Alarm Operation: Visual and relay outputs for alarm conditions.
Communication: Remote monitoring and control via communication interface.

WARNING! Monitor system during initial operation. Verify control stability.

Advanced Functions

PID Auto-tuning: Automatically calculates optimal PID parameters. Program Control: Multi-segment temperature profiles. Communication Protocols: MODBUS, PROFIBUS, DeviceNet options. Data Logging: Internal memory for process data.

Maintenance & Care

Regular inspection and calibration recommended. Keep display clean and free from obstructions.

CAUTION! Disconnect power before maintenance. Use only approved cleaning materials.

Regulatory Information

CE Certified: Complies with European Union safety standards. UL Listed: Meets Underwriters Laboratories safety requirements. RoHS Compliant: Free from hazardous substances. For technical support, visit www.fujielectric.com or contact your local distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Power supply issue	Check power connection; verify voltage; check fuse.
Temperature reading incorrect	Sensor/wiring problem	Check sensor connection; verify sensor type setting; check for broken wires.
Control output not working	Output configuration	Verify output type setting; check wiring; test output manually.
Communication failure	Cable/parameter issue	Check cable connections; verify communication parameters; test with known good device.
Alarm not triggering	Alarm settings	Verify alarm limits; check alarm output configuration; test alarm function.

Reset: Use reset function or power cycle if controller locks up.

Service: Contact authorized service center for internal repairs.