1756-CJC | Allen-Bradley Cold Junction Compensation Thermistors

Product Description

The Allen-Bradley 1756-CJC thermistors are cold junction compensation devices designed for use with specific ControlLogix analog input modules. They ensure accurate thermocouple measurements by compensating for temperature variations at the connection point. Each package includes two thermistors, making them suitable for installation with either the 1756-IRT8I or 1756-IT16 modules.

Technical Specifications

• Manufacturer Allen-Bradley

• Product Line ControlLogix Components

• Product Type Cold Junction Compensation Thermistor

• Part Number 1756-CJC

• Weight 0.01 lbs (0.005 kg)

• Compatibility Designed for 1756-IRT8I and 1756-IT16 modules

• Function Provides cold junction compensation for thermocouple inputs

• Quantity Supplied in pairs (2 per package)

• Category Components

• Subcategory Thermistor / Current Limiter

Application Scenarios

• Used in ControlLogix systems requiring precise thermocouple input measurements

• Industrial automation environments where temperature accuracy is critical

• Applications involving process monitoring and control with thermocouples

FAQ

Q: Which modules are compatible with the 1756-CJC thermistors?  A: They are designed for use with the 1756-IRT8I and 1756-IT16 input modules.

Q: How many thermistors are included in one package?  A: Each package contains two thermistors.

Q: What is the purpose of cold junction compensation?  A: It ensures accurate thermocouple readings by compensating for temperature variations at the connection point.

Comparison with Similar Models

• 1756-CJC: Thermistors for cold junction compensation, supplied in pairs.

• 1756-IRT8I: Analog input module requiring CJC thermistors for thermocouple accuracy.

• 1756-IT16: Sixteen-channel thermocouple input module compatible with CJC thermistors.