The 1756-CJC is a cold junction compensation thermistor kit used in Allen-Bradley ControlLogix systems. It is used with thermocouple input modules to measure terminal temperature and improve temperature measurement accuracy.
Technical Specifications
| Item | Description |
|---|---|
| Product Type | CJC Thermistor Kit |
| System | ControlLogix |
| Function | Thermocouple cold junction compensation |
| Compatible Modules | 1756-IRT8I, 1756-IT16 |
| Temperature Range | -40°C to 125°C |
| Accuracy | ±0.5°C |
| Response Time | ~10 s |
| Installation | Terminal block / module mount |
Physical Dimensions & Weight
- Dimensions (H × W × D): 19 mm × 19 mm × 25 mm
- Weight: ~15–25 g
Function
- Measures terminal (cold junction) temperature
- Sends compensation data to thermocouple modules
- Improves accuracy of temperature readings
- Reduces ambient temperature error influence
