Description
The REX-C400 is a digital temperature controller designed to regulate temperature in industrial processes and equipment. It uses a panel-mounted display and front-panel keys to view readings and adjust control settings.
The REX-C series is documented by RKC Instrument. The supplied product name identifies the model as REX-C400FK02, but the image does not clearly confirm the full model code or manufacturer. Verify the product label before listing it as a specific branded variant.
Technical Specifications
| Specification | Details |
|---|---|
| Product Family | REX-C400 |
| Model Supplied | REX-C400FK02 |
| Product Type | Digital PID Temperature Controller |
| Panel Format | 48 × 96 mm |
| Control Mode | Heating PID Control (F Code) |
| Input Code | K02: K-Type Thermocouple, 0–400°C in Published Model-Code References |
| Input Options | Thermocouples and Compatible RTD Sensors, Depending on the Exact Model |
| Sampling Time | 0.5 Seconds for the REX-C Series |
| Measurement Accuracy | Approximately ±(0.5% of Displayed Value + 1 Digit), Depending on Input Type and Range |
| Supply Voltage | Variant-Dependent; Series Options Include 100–240V AC, 24V AC and 24V DC |
| Control Output | Suffix-Dependent; Series Options Include Relay, SSR Drive Voltage, 4–20mA Current and Triac Trigger Outputs |
The exact output type, alarm configuration and supply voltage for the supplied unit are not confirmed from the image.
Key Features
PID Temperature Regulation
PID control adjusts the output in response to temperature error to help maintain the configured setpoint. Actual performance depends on sensor selection, system tuning and the controlled equipment.
Digital Display and Front-Panel Controls
The dual-display design shows process and setpoint values, while the front-panel keys provide access to operating settings.
Sensor Input Options
The REX-C family supports different thermocouple and resistance-temperature-detector inputs, depending on the ordered configuration. The sensor type must match the controller’s actual input specification.
Output Configurations
REX-C series models can be configured with different output types. Confirm the complete suffix before selecting a controller to drive a relay, solid-state relay or other control device.
Typical Applications
Depending on the verified input and output configuration, this controller may be used in:
– Industrial ovens and heating systems
– Packaging machinery
– Plastic-processing equipment
– Temperature-controlled production processes
– Laboratory and workshop heating equipment
– General industrial temperature regulation
These are general applications for compatible PID controllers, not a guarantee of suitability for a particular machine.
Installation and Compatibility Guidance
Before installation, confirm the full model code, supply voltage, sensor type, control output and alarm requirements. Check the wiring diagram and panel cutout dimensions against the actual unit. Do not connect a heater or other load directly to the controller unless the specified output is designed for that purpose; an external relay or SSR may be required.
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