Description

Technical Specifications

• Model: VE4003S2B3 (Assembly: KJ3222X1-BA1 main card + KJ4001X1-CC1 standard termination block)
• Brand: Emerson DeltaV Distributed Control System
• Warranty: 1 Year
• Power Supply: 12VDC from DeltaV LocalBus rack backplane; 24VDC field loop power (+10% tolerance)
• Operating Temperature: -40°C ~ +70°C continuous full-load operation
• Storage Temperature: -40°C ~ +85°C
• Response Time: Full 8-channel scan cycle ≤100ms, 2.7Hz low-pass filter cutoff frequency
• Protection Class: IP20 when installed inside standard DeltaV control cabinet
• Measurement Accuracy: ±0.1% full-span precision, 16-bit high-resolution A/D conversion
• Input Signal Range: 4–20mA standard loop current, also supports ±10VDC voltage input
• Rated Current Draw: 150mA maximum LocalBus backplane consumption; total 3.2A 24VDC field loop power output
• Communication Interface: DeltaV proprietary LocalBus internal rack bus, superimposed HART bidirectional field communication
• Supported Protocols: DeltaV LocalBus I/O bus, HART 5 / HART 7 smart transmitter protocol
• Overload & Protection: Per-channel reinforced optical isolation (1700VDC withstand test), independent loop fuse per channel, ESD protection, transient surge suppression, reverse voltage blocking, single-channel fault isolation
• Dimensions: 107mm × 41mm × 105mm, single-slot DeltaV S-series plug-in module footprint

Product Overview

The Emerson VE4003S2B3 is a hot-swappable 8-channel isolated HART analog input module exclusively developed for Emerson DeltaV S-series DCS platform. It collects 4–20mA analog signals from field HART smart transmitters (pressure, flow, level, temperature, analytical sensors), converts analog process variables into digital data, and transmits to DeltaV core controllers for PID closed-loop regulation, safety interlock logic, alarm triggering and centralized process monitoring.

Core Difference from VE4003S2B2

The only distinction lies in the matched terminal block:

• VE4003S2B2 = Main card + KJ4001X1-CB1 fused terminal base
• VE4003S2B3 = Main card + KJ4001X1-CC1 standard non-fused terminal block All core circuit, channel quantity, isolation level, HART function, temperature range and system compatibility are fully identical, mutually interchangeable in DeltaV racks with only wiring terminal configuration difference.

This module addresses signal stability risks in high-noise industrial environments. Every input channel adopts independent optical isolation to eliminate ground loop drift and electromagnetic interference from large motors, MV switchgears and variable frequency drives, effectively protecting the DCS backplane and main controller from field voltage spikes. Native HART two-way communication allows maintenance technicians to remotely calibrate transmitters, read device diagnostic codes, adjust measurement ranges and check loop health without field wiring disassembly. Built-in comprehensive self-diagnostics automatically detect wire breakage, over-range signals and internal hardware faults, uploading alarm logs to DeltaV operator stations for rapid troubleshooting. The hot-swappable plug-and-play design supports online module replacement without shutting down the entire DCS rack, drastically reducing unplanned production downtime during equipment overhaul and system upgrades.