Emerson KJ3225X1-BA1 Analog Input Module – Product Description

Overview

The Emerson KJ3225X1-BA1 (12P4174X032) is a high-density Analog Input (AI) Module for the DeltaV™ distributed control system (DCS). It provides 32 isolated channels for connecting field instruments such as transmitters and sensors. Moreover, it converts analog 4–20 mA signals into precise digital values for DeltaV controllers, ensuring reliable process monitoring. The module is certified for hazardous area compliance (Zone 2 / Class I Div. 2) and built for continuous operation in harsh industrial environments.

Technical Specifications

• Model: KJ3225X1-BA1

• Part Number: 12P4174X032

• Type: Analog Input Module

• System Compatibility: Emerson DeltaV DCS

• Number of Channels: 32 isolated analog inputs

• Signal Range: 4–20 mA current input

• Resolution: 16-bit analog-to-digital conversion

• HART Support: Pass-through, point-to-point only

• LocalBus Power Rating: 12 VDC at 150 mA

• Bussed Field Power Rating: 12 VDC at 300 mA

• Field Circuit Rating: 24 VDC at 32 mA

• Dimensions (H × W × D): ~51 × 102 × 102 mm

• Weight: 0.3kg

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

• Storage Temperature: –40 °C to +85 °C

• Humidity Range: 5% – 95% non-condensing

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

• Vibration Resistance: 1 mm peak-to-peak (2–13.2 Hz), 0.7 g (13.2–150 Hz)

• Airborne Contaminants: ISA‑S71.04 Class G3

• Protection Class: IP20

• Certifications: CE, UL, ATEX, IECEx (Zone 2 / Class I Div. 2)

• Country of Origin: USA

FAQ

Q1: How many channels does the KJ3225X1-BA1 module provide?
A1: The module provides 32 isolated analog input channels for field instruments.

Q2: Does the module support HART communication?
A2: Yes, it supports point-to-point HART pass-through for diagnostics and configuration.

Q3: Is this module suitable for hazardous areas?
A3: Yes, it is certified for Zone 2 / Class I Div. 2 hazardous areas.

Q4: What type of signals can it measure?
A4: The module measures standard 4–20 mA current input signals from transmitters.

Q5: Can it operate in extreme temperatures?
A5: Yes, it functions reliably between –40 °C and +70 °C operating temperature.

Q6: Which industries commonly use this module?
A6: Oil & gas, chemical plants, power generation, steel mills, and industrial automation systems.