



The Emerson VE4003S2B4 is a DeltaV Series 2 8-channel Analog Input Module designed for high-accuracy process signal acquisition in distributed control system (DCS) environments. It is widely used in Emerson DeltaV S-Series / M-Series hybrid architectures to convert field analog signals into digital values for real-time control, monitoring, and diagnostics.
Engineered for industrial-grade reliability, the VE4003S2B4 supports 4–20 mA input signals with HART communication, enabling advanced field device diagnostics and predictive maintenance capabilities. The module is typically used in process-critical industries where signal stability, measurement accuracy, and system uptime are essential.
Its 16-pin mass termination design simplifies wiring density while improving installation efficiency in large-scale automation cabinets.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | VE4003S2B4 |
| Product Type | Analog Input Module |
| System Platform | DeltaV Series 2 / S-Series I/O architecture |
| I/O Type | 8-channel Analog Input (AI) |
| Input Signal | 4–20 mA |
| HART Support | Yes |
| Resolution | 16-bit high-resolution conversion |
| Accuracy | ±0.1% typical full-scale |
| Isolation | Channel-to-system isolation (industrial grade) |
| Terminal Type | 16-pin mass termination block |
| Sampling Type | Continuous process scanning |
| LocalBus Power | 12 VDC (typical DeltaV backplane supply) |
| Field Power | 24 VDC loop power support |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5%–95% non-condensing |
| EMC Protection | High industrial EMI/RFI immunity |
| Mounting Type | DeltaV carrier / rack system |
| Dimensions (H × W × D) | ~130 mm × 40 mm × 110 mm (module-dependent) |
| Weight | ~0.25–0.4 kg |
Recommended System Integration Modules
For a complete DeltaV I/O architecture, VE4003S2B4 is commonly used alongside:
| Module | Function |
|---|---|
| VE4003S2B1 | Standard 8-channel AI module (non-mass termination) |
| VE4003S2B2 | Fused terminal block AI module variant |
| VE4003S2B5 | Extended mass termination AI module |
| VE4003S2B6 | 16-channel analog input module |
| VE4005S2B1 | Analog output module (4–20 mA) |
| VE4033S2B1 | Redundant analog input module |
| DeltaV Controller Series | System-level control execution |
These modules form a scalable analog signal acquisition layer for DeltaV distributed automation systems.
Popular Emerson DeltaV S-Series I/O Modules
Within Emerson’s DeltaV ecosystem, VE4003S2B4 belongs to the high-density analog input family:
- VE4003S2B1 8-Channel AI Module
- VE4003S2B2 Fused 8-Channel AI Module
- VE4003S2B4 16-Pin Mass Termination AI Module
- VE4003S2B5 Extended Mass I/O AI Module
- VE4003S2B6 16-Channel AI Module
- VE4033S2B1 Redundant AI Module
- VE4005S2B2 Analog Output Module
- VE4003S4B1 Thermocouple Input Module
- VE4003S6B1 RTD Input Module
These modules support scalable process instrumentation across industrial control systems.