



The Emerson VE4003S7B1 (KJ3231X1-BA1) is a DeltaV Series 2 isolated analog input module used in Emerson DeltaV Distributed Control Systems (DCS). It is designed for reliable acquisition of industrial process signals from field instrumentation, typically including 4–20 mA analog signals and/or isolated process inputs depending on configuration.
This module is part of the DeltaV S-series I/O family and is widely used in process industries where signal isolation, stability, and diagnostic capability are required.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | VE4003S7B1 |
| I/O Card | KJ3231X1-BA1 |
| Product Type | Isolated Analog Input Module |
| System Platform | DeltaV Series 2 I/O |
| Input Channels | Typically 8 channels (system dependent) |
| Input Signal Type | Industrial analog process signals (commonly 4–20 mA, isolated input design) |
| Isolation | Channel-to-channel and system-level isolation |
| A/D Resolution | 16-bit class (DeltaV standard I/O architecture) |
| Diagnostics | Open circuit detection, loop fault monitoring, module diagnostics |
| Mounting Method | DeltaV carrier-mounted |
| Wiring Interface | DeltaV termination system (varies by cabinet design) |
| Operating Temperature | -40°C to +70°C |
| Humidity Range | 5%–95% non-condensing |
| EMC Protection | Industrial-grade electromagnetic immunity |
Physical Dimensions & Weight
| Parameter | Specification |
|---|---|
| Dimensions | Approx. 160 × 130 × 40 mm (DeltaV standard module form factor) |
| Weight | Approx. 0.2–0.8 kg (varies by configuration) |
Key Features
- Isolated analog input design for improved noise immunity
- Supports industrial process signal acquisition (commonly 4–20 mA)
- High reliability for continuous 24/7 operation
- Built-in diagnostics for loop and module health monitoring
- Strong electrical isolation for field safety and system protection
- Fully compatible with Emerson DeltaV Series 2 architecture