Description
Honeywell XFR822A
Technical Specifications
- Product type: Relay output module
- Channels: Form C relays
- Contact rating: 250 VAC 5 A
- Safety: SIL rated
- Supply: Rack backplane
- Operating temperature: 0 °C to +60 °C
- Storage temperature: -20 °C to +70 °C
- Humidity: 5 % to 95 %, non-condensing
- Protection: IP20
- Installation: Rack
- LEDs: Per channel
- Diagnosis
Functional Features
- Form C relay contacts
- SIL safety rating
- Per channel LED
- Field isolation
- Rack backplane
- Contact wear monitoring
- Trip transfer
- Continuous operation
- Industrial
- Reliable
Application Scenarios
- Refinery SIS trip output
- Chemical ESD
- Offshore safety
- Gas plant shutdown
- Boiler trip
Materials and Construction
- Front panel: Metal
- PCB: FR4
- Relay: Sealed
- Connector: Backplane
- LED: Channel
- Terminal: Screw
Structural Features
- Rack plug-in card
- Front LEDs
- Rear backplane
- Terminal block
- Card latch
- Metal panel
Working Principle CPU energizes relay coil over backplane. Contacts switch field trip circuit. LED indicates state. Contact wear monitored.
Installation Requirements
- Rack slot
- Field wiring
- Ground
- Temperature 0 °C to +60 °C
- Configure
- Verify
- Lock
Precautions
- Contact load rating
- ESD
- Store anti-static
- Periodic relay test
- Wiring class
- Do not hot swap
