Emerson KJ3221X1-BA2 Analog Input Module

Description

The Emerson KJ3221X1-BA2 is an 8-channel analog input module from the DeltaV Series 2, designed for precise signal acquisition and HART-enabled diagnostics in industrial automation systems.

Specifications

• Manufacturer: Emerson

• Model Number: KJ3221X1-BA2

• Product Type: Analog Input Module

• Input Channels: 8 analog inputs, 4–20 mA with HART support

• Power Supply:

  • Local Bus Power: 12 VDC at 150 mA

  • Bussed Field Power: 24 VDC at 300 mA

  • Field Circuit: 24 VDC at 30 mA per channel

• Operating Temperature: -40°C to +70°C

• Shock Resistance: 10 g half-sine wave for 11 ms

• Vibration Tolerance: 1 mm (2–13.2 Hz), 0.7 g (13.2–150 Hz)

• Humidity Range: 5% to 95% RH, non-condensing

• Airborne Contaminants: ISA-S71.04-1985 Class G3

• Dimensions: Approx. 4.4 cm x 10.8 cm x 12.7 cm (1.73" x4.25" x 5")

• Weight: Around 0.2 kg

Features

• HART Protocol Support: Enables digital diagnostics over analog signal lines

• Hazardous Area Ready: Certified for use in explosive industrial environments

• Rotary Keying System: Prevents misinstallation with keyed terminal alignment

• Environmental Resilience: Operates reliably under extreme temperature, vibration, and humidity

• Compact Design: Fits easily into control cabinets for scalable system deployment

• Maintenance-Free: No calibration required; contains no user-serviceable parts

• DeltaV Integration: Seamlessly connects with Emerson’s DeltaV control architecture