Emerson KJ3222X1-BA3 Analog Input Module

The Emerson KJ3222X1-BA3 is an 8-channel analog input module designed for DeltaV DCS systems. It supports 4–20 mA current input and HART communication, which allows real-time process monitoring and digital diagnostics. The module operates in extreme conditions and provides reliable performance for industrial applications. Its compact size ensures easy integration into control cabinets, while its rugged design suits hazardous environments.

Technical Specifications

Manufacturer: Emerson

Model: KJ3222X1-BA3

Module Type: Analog Input (AI)

Series: M-Series, Series 2

Function: Analog signal acquisition and HART communication

System Compatibility: DeltaV Distributed Control Systems

Channel & Signal Characteristics

• Channels: 8 analog input channels
• Signal Type: 4–20 mA current input
• HART Support: Yes (digital-over-analog communication)

Power Requirements

• Local Bus Power: 12 VDC at 150 mA
• Bussed Field Power: 24 VDC at 300 mA
• Field Circuit Power: 24 VDC at 30 mA per channel

Environmental Conditions

• Operating Temperature: -40°C to +70°C
• Storage Temperature: Same as operating range
• Relative Humidity: 5% to 95% (non-condensing)
• Shock: 10 g, half-sine wave (11 ms)
• Vibration:
  • 1 mm peak-to-peak (2–13.2 Hz)
  • 0.7 g (13.2–150 Hz)
• Contaminant Protection: ISA-S71.04 –1985 Class G3

Mechanical Details

• Dimensions: 25.4 cm × 2.5 cm × 20.3 cm
• Weight: 0.5 kg