Description
B&R X20AT2222
Technical Specifications
- Product type: Thermocouple input
- Channels: 2
- Sensor: Type J, K, etc.
- Resolution: 16 bit
- Cold junction: Internal
- Supply: X20 bus
- Operating temperature: -25 °C to +70 °C
- Storage temperature: -40 °C to +85 °C
- Humidity: 5 % to 95 %, non-condensing
- Protection: IP20
- Installation: X20 bus
- Accuracy: 0.1 class
- Diagnosis: Wire break
Functional Features
- 2 channel thermocouple
- Cold junction compensation
- Wire break diagnosis
- X20 bus communication
- Per channel LED
- Wide temperature
- Galvanic isolation
- Fast sampling
- Configurable sensor type
- Process grade
Application Scenarios
- Plastics machine temperature
- Packaging oven
- Food processing
- HVAC
- Test chamber
Materials and Construction
- Housing: X20 plastic
- PCB: FR4
- Terminal: Screw / spring
- Connector: Bus
- LED: Status
- Base: X20
Structural Features
- X20 thin module
- Bus base
- Front terminals
- LED status
- Internal ADC
- Clip
Working Principle Thermocouple voltage amplified and digitized. Cold junction sensor compensates. X20 bus uploads to CPU. Wire break detected.
Installation Requirements
- Clip on X20 bus
- Connect thermocouple
- Ground
- Temperature -25 °C to +70 °C
- Configure sensor type
- Verify channels
- Tighten terminals
Precautions
- Thermocouple extension wire
- Polarity
- ESD
- Store dry
- Periodic calibration
- Isolation




