
Product Description
Emerson KJ3222X1-BK1 AI 8-Channel 4-20mA HART Card
The Emerson KJ3222X1-BK1 is a high-performance 8-channel analog input module engineered for demanding process automation environments. This industrial-grade HART-enabled card delivers precision signal acquisition for DeltaV distributed control systems, ensuring reliable data integrity in critical manufacturing and energy infrastructure applications.
Key Technical Features
- 8 Independent Channels: Simultaneous 4-20 mA analog input acquisition with individual channel isolation
- HART Communication: Integrated Highway Addressable Remote Transducer protocol for advanced diagnostics and configuration
- Wide Operating Range: Certified for -40°C to +70°C ambient temperature environments
- Robust Power Architecture: 12 VDC local bus (150 mA), 24 VDC bussed field power (300 mA), 30 mA per channel
- Industrial Hardening: 10g shock resistance, vibration-tested to ISA standards, Class G3 airborne contaminant protection
Application Scenarios
This module excels in oil & gas refineries, chemical processing plants, power generation facilities, and water treatment systems where precise analog signal monitoring is mission-critical. The HART protocol enables real-time diagnostics, reducing maintenance costs and minimizing unplanned downtime.
Integration & Compatibility
Designed for seamless integration with Emerson DeltaV systems, the KJ3222X1-BK1 supports hot-swappable installation and auto-configuration. Terminal block key position A1 ensures correct field wiring alignment. Compatible with industry-standard 4-20 mA transmitters and sensors.
Why Choose KJ3222X1-BK1?
✓ Proven Reliability: Emerson's legacy in process automation ensures long-term availability and support
✓ Diagnostic Intelligence: HART protocol provides predictive maintenance insights
✓ Environmental Resilience: Operates in extreme conditions with 5-95% non-condensing humidity tolerance
✓ Global Compliance: Meets international safety and electromagnetic compatibility standards
Technical Specifications Summary
| Channels | 8 AI (4-20 mA) |
| Protocol | HART |
| Power Consumption | 12 VDC @ 150 mA + 24 VDC @ 300 mA |
| Temperature Range | -40°C to +70°C |
| Humidity | 5-95% RH (non-condensing) |
| Shock/Vibration | 10g / 0.7g per ISA-S71.04 |
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