LAE
CDC122
CDC Series • Refrigeration Controller
Quick Info
Type
Refrigeration
Application
Central Monitoring
Probe Inputs
0
Relay Outputs
2
Communication
RS485 Modbus RTU Master
Panel Size
144x144 mm
Output Functions
R1
Common Alarm
R2
Auxiliary
Centralized display and control unit for up to 12 controllers
Technical Specifications
Display & Interface
| Display Type | LCD |
| Display Digits | Graphic |
| Buttons | 6 |
| LED Indicators | Power, Comm, Alarm |
Power Supply
| Voltage | 24V DC |
| Voltage Range | 18-32V DC |
| Frequency | DC |
| Power Consumption | 5W |
Sensor Inputs
| Probe Inputs | 0 |
| Probe Type | Via network |
| Temp Range | N/A°C |
| Accuracy | ±N/A |
Relay Outputs
| Relay Outputs | 2 |
| Relay Rating | 5A/250VAC |
Physical
| Panel Size | 144x144 mm |
| Depth | 75 mm |
| IP Rating | IP54 (front) |
| Weight | 450 g |
Operating Conditions
| Operating Temp | -10 to 50°C |
| Storage Temp | -20 to 60°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| 1 | Power +24V | Input |
red
|
| 2 | Power GND | Input |
black
|
| 3 | RS485 A+ | Comm |
orange
|
| 4 | RS485 B- | Comm |
yellow
|
| 5 | RS485 GND | Comm |
black
|
| 6 | Alarm COM | Output |
gray
|
| 7 | Alarm NO | Output |
gray
|
| 8 | Aux COM | Output |
white
|
| 9 | Aux NO | Output |
white
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| NC | Num Controllers | 1 to 12 | 4 | Number of connected units |
| bd | Baud Rate | 9600/19200 | 9600 bps | Network speed |
| SC | Scan Interval | 1 to 60 | 5 sec | Polling interval |
| AL | Alarm Mode | 0=Any,1=All | 0 | Common alarm logic |
Error Codes
NC
No communication
Solution: Check RS485 wiring and addresses
TO
Timeout
Solution: Controller not responding
Frequently Asked Questions
Up to 12 LAE controllers via RS485 network
Only LAE controllers with Modbus protocol
Alternative Models (Cross Reference)
Dixell XM670K
Carel PGDX
Danfoss AKM 225
Manufacturer Information
Brand: LAE
Country: Italy