EMERSON KJ3221X1-BK1 AO 4-20 mA HART 8-Channel

Overview

The Emerson KJ3221X1-BK1 is an 8-channel Analog Output Module built for the DeltaV™ S-Series Distributed Control System. It delivers high-precision 4–20 mA HART analog signals to field devices. This module supports robust, real-time communication and precise process control. Its rugged design and wide temperature range ensure reliability in demanding industrial environments.

Technical Specifications

General

• Model: KJ3221X1-BK1

• Type: Analog Output Module

• Output Signal: 4–20 mA with HART

• Channels: 8 isolated analog output channels

Power Requirements

• Local Bus Power: 12 VDC at 150 mA

• Bussed Field Power: 24 VDC at 300 mA

• Field Circuit Power: 24 VDC at 23 mA per channel

Environmental Ratings

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

• Relative Humidity: 5% to 95% non-condensing

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

Mechanical Stress

• Shock: 10g, ½ sinewave for 11 ms

• Vibration:

• 1 mm peak-to-peak (2–13.2 Hz)

• 0.7g (13.2–150 Hz)

Hazardous Area Certifications

• ATEX:

• II 3G Ex ec IIC Gc

• II 3G Ex nA nL IIC Gc

• IECEx:

• IECEx FMG 19.0019U

• IECEx NEM 10.0019U

• North America:

• CL. I Div. 2 GP. A, B, C, D

• CL. I Zone 2 AEx/Ex ec IIC Gc

• Cert IDs:

• FM19ATEX0173U

• FM21UKEX0017U

• FM17US0286U

• FM17CA0145U

Physical Configuration

• Terminal Block Key Position: A4