RKC
REX-C700
REX-C Series • Industrial Controller
Quick Info
Type
Industrial
Application
Process Control
Probe Inputs
1
Relay Outputs
2
Communication
RS-485 Modbus
Panel Size
72x72 mm
Output Functions
R1
Control
R2
Alarm
72x72 multi-function PID controller
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 4+4 |
| Buttons | 6 |
| LED Indicators | OUT1, OUT2, AT, ALM1, ALM2 |
Power Supply
| Voltage | 100-240V AC |
| Voltage Range | 85-264V AC |
| Frequency | 50/60Hz |
| Power Consumption | 12VA |
Sensor Inputs
| Probe Inputs | 1 |
| Probe Type | TC/RTD universal |
| Temp Range | -200 to 1700°C |
| Accuracy | ±±0.2% FS |
Relay Outputs
| Relay Outputs | 2 |
| Relay Rating | 250VAC 3A |
Physical
| Panel Size | 72x72 mm |
| Depth | 110 mm |
| IP Rating | IP65 (front) |
| Weight | 230 g |
Operating Conditions
| Operating Temp | -10 to 50°C |
| Storage Temp | -20 to 60°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| 1-2 | Power L/N | Input |
brown/blue
|
| 3-5 | TC/RTD Input | Input |
various
|
| 6-7 | Control Relay | Output |
black
|
| 8-9 | Alarm Relay | Output |
red
|
| 10-11 | RS-485 | Comm |
orange/yellow
|
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 | 4.0 % | Proportional band |
| I | I Time | 0 to 3600 | 120 sec | Integral time |
| D | D Time | 0 to 3600 | 30 sec | Derivative time |
| SEG | Program Segments | 1 to 8 | 1 | Ramp/soak segments |
Error Codes
HHHH
Over range
Solution: Check input
LLLL
Under range
Solution: Check input
End
Program complete
Solution: Normal
Frequently Asked Questions
Temperature program with timed transitions and holds
Alternative Models (Cross Reference)
Omron E5AC
Autonics TK4M
Fuji PXR7
Manufacturer Information
Brand: RKC
Country: Japan