RKC
REX-C100
REX-C Series • Industrial Controller
Quick Info
Type
Industrial
Application
Process Control
Probe Inputs
1
Relay Outputs
1
Communication
None (RS-485 option)
Panel Size
48x48 mm
Output Functions
R1
Control
Classic 48x48 PID controller with universal input
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 4 |
| Buttons | 4 |
| LED Indicators | OUT1, OUT2, AT |
Power Supply
| Voltage | 100-240V AC |
| Voltage Range | 85-264V AC |
| Frequency | 50/60Hz |
| Power Consumption | 7VA |
Sensor Inputs
| Probe Inputs | 1 |
| Probe Type | TC (K,J,E,T,B,R,S,N,W) / RTD (Pt100,JPt100) |
| Temp Range | -200 to 1700°C |
| Accuracy | ±±0.3% FS |
Relay Outputs
| Relay Outputs | 1 |
| Relay Rating | 250VAC 3A |
Physical
| Panel Size | 48x48 mm |
| Depth | 110 mm |
| IP Rating | IP65 (front) |
| Weight | 140 g |
Operating Conditions
| Operating Temp | -10 to 50°C |
| Storage Temp | -20 to 60°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| 1 | Power L | Input |
brown
|
| 2 | Power N | Input |
blue
|
| 3 | TC/RTD + | Input |
red
|
| 4 | TC/RTD - | Input |
white
|
| 5 | RTD B | Input |
white
|
| 6 | Relay COM | Output |
black
|
| 7 | Relay NO | Output |
black
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| SV | Setpoint | Input range | 100 °C | Target temperature |
| P | P Band | 0.0 to 999.9 | 6.0 % | Proportional band |
| I | I Time | 0 to 3600 | 180 sec | Integral time |
| D | D Time | 0 to 3600 | 45 sec | Derivative time |
| CT | Cycle Time | 1 to 120 | 20 sec | Output period |
| AT | Auto-tune | RUN/STOP | STOP | PID auto-tuning |
Error Codes
HHHH
Over range
Solution: Check input signal
LLLL
Under range
Solution: Check input signal
burnout
Sensor open
Solution: Check sensor wiring
At
Auto-tuning
Solution: Normal operation
Frequently Asked Questions
Set AT=RUN in parameter mode
Percentage of input span, not degrees
Alternative Models (Cross Reference)
Omron E5CN
Autonics TK4S
Fuji PXR4
Manufacturer Information
Brand: RKC
Country: Japan