Product Overview

The Emerson KJ3002X1-BC1 (VE4003S1B2) is a high-density 8-channel analog input module specifically engineered for the DeltaV M-series I/O subsystem. This 4-wire, 4-20 mA interface card is designed to provide ultra-precise signal acquisition for a wide range of field instruments, including flow meters, pressure transmitters, and temperature sensors. By converting field-side analog current signals into high-resolution digital data, the KJ3002X1-BC1 enables the DeltaV Distributed Control System (DCS) to perform deterministic process monitoring and synchronized loop control.

Built for high-availability industrial environments, this card features a ruggedized architectural design that emphasizes signal purity and hardware longevity. It is a critical component for plant operators who require scalable I/O solutions that can handle the complexities of modern process automation while maintaining strict electrical isolation between field circuits and the system backplane.

Technical Specifications

• Manufacturer: Emerson (Fisher-Rosemount)

• Model Number: KJ3002X1-BC1

• Order Number: 12P0681X092

• System Part Number: VE4003S1B2

• Product Series: DeltaV M-series I/O

• Input Channels: 8 Channels

• Input Type: 4-Wire, 4-20 mA DC Analog

• Signal Isolation: Channel-to-channel and system-to-field isolation

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

• Storage Temperature: -40°C to +85°C

• Weight: 0.2 kg

• Dimensions: 4.1 x 12.5 x 10.5 cm

• Origin: USA

Key Technical Characteristics

• High-Integrity Signal Isolation: The KJ3002X1-BC1 is equipped with advanced galvanic isolation and noise suppression circuitry. This prevents ground loops and protects the internal DCS logic from field-side voltage spikes and electromagnetic interference, ensuring stable measurement in noisy environments.

• Redundant Configuration Support: To minimize the risk of unplanned downtime, this analog input card supports redundant deployment. If a primary card fails, the system automatically switches to the standby unit without interrupting the process control loop.

• On-Board Intelligence and Diagnostics: The module features continuous self-diagnostic routines that monitor the health of each channel. It can detect and report open circuits, short circuits, and out-of-range values directly to the DeltaV workstation for rapid troubleshooting.

• Flexible 4-Wire Interfacing: Designed to support 4-wire field devices that require separate power sources, this card provides a flexible interface that simplifies the integration of complex instrumentation into the standard M-series carrier.

• Precision Data Conversion: Utilizing high-performance A/D converters, the card delivers exceptional repeatability and accuracy, which is vital for industries requiring tight tolerances in chemical dosing, gas flow, or thermal management.

• Hot-Swappable Design: The modular "plug-in" architecture allows the card to be removed and replaced while the rest of the system remains powered. This "hot-swap" capability significantly reduces maintenance time and improves overall system uptime.

Primary Applications

The Emerson VE4003S1B2 Analog Input Card is essential for:

• Oil & Gas Refineries: Monitoring high-pressure and flow-critical 4-wire sensors.

• Chemical Processing: Precise tracking of analog process variables in safety-instrumented functions.

• Power Generation: Data acquisition for turbine monitoring and boiler feed systems.

• Pharmaceutical Labs: Ensuring exact measurement for climate-controlled production environments.