Emerson VE4035S2B1 / KJ3221X1‑BA1 + KJ3221X1‑EA1 Analog Input Module – Product Description

Overview

The Emerson VE4035S2B1 (KJ3221X1‑BA1) is a high-performance DeltaV™ Analog Input (AI) Module for Emerson’s DeltaV distributed control system (DCS). It delivers 16 isolated analog input channels to connect field instruments like transmitters and sensors. Moreover, each channel is galvanically isolated, ensuring signal integrity and minimizing interference for precise process monitoring. In addition, it supports HART pass‑through communication, allowing diagnostic and configuration data from smart field devices to be seamlessly accessed through the DeltaV system.

Technical Specifications

• Model Numbers: VE4035S2B1 / KJ3221X1‑BA1

• Type: Analog Input Module

• System Compatibility: Emerson DeltaV DCS

• Number of Channels: 16 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: 0.18–0.20 kg

• 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

1. How many analog input channels does this module provide?
It provides 16 isolated analog input channels for precise measurement of field signals.

2. Is it suitable for hazardous areas?
Yes, it meets Zone 2 / Class I Div. 2 standards for safe operation in hazardous environments.

3. Does it support HART communication?
Yes, it enables HART pass‑through for diagnostic and configuration data from smart field devices.

4. What industries commonly use this module?
It is commonly used in oil & gas, chemical, power generation, and steel manufacturing applications.

5. Can it operate continuously under harsh industrial conditions?
Yes, it is designed for continuous 24/7 operation and withstands vibration, shock, and contaminants.