



The Emerson VE4001S2B1 is a DeltaV Series 2 discrete input module designed for precise acquisition of digital field signals in industrial automation environments. It is used to monitor ON/OFF states from switches, relays, interlocks, alarms, and other discrete field devices, ensuring stable and deterministic signal processing within a distributed control system (DCS).
Built for harsh industrial conditions, this module delivers fast response, high electrical isolation, and strong noise immunity, making it a dependable component in continuous process industries such as oil & gas, power generation, and chemical processing.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | VE4001S2B1 |
| Product Type | Discrete Input (DI) Module |
| System Platform | DeltaV Series 2 I/O |
| Input Channels | 8 channels |
| Input Type | 24 V DC dry contact |
| Signal Function | ON/OFF status detection |
| Response Time | ≤ 1 ms |
| Input Isolation | Channel-to-system isolation (optical isolation architecture) |
| Field Wiring | Compatible with DeltaV termination assemblies |
| Mounting Type | I/O carrier / termination system |
| Operating Temperature | -20°C to +70°C |
| Humidity Range | 5% to 95% non-condensing |
| Protection Rating | Industrial-grade IP20 enclosure |
Physical Dimensions & Weight
| Parameter | Specification |
|---|---|
| Dimensions (H × W × D) | 100 × 50 × 30 mm (typical industrial listing range) |
| Weight | Approx. 0.20–1.20 kg (varies by configuration and sourcing revision) |
System Integration & Recommended Related Modules
The VE4001S2B1 is typically used within Emerson DeltaV control architectures alongside:
- Emerson VE3006 MD Plus Controller Module
- Emerson VE3004 M5 Plus Controller Module
- Emerson VE4003S2B1 Analog Input Module
- Emerson VE4005S2B1 Analog Output Module
- Emerson VE4033S2B1 Redundant Input Module
- Emerson SE4053S2B11 Analog Input Plus Card
- Emerson SE4055S2B5 Analog Output Plus Card
- Emerson SE4083S2B11 Redundant Input Module
- Emerson SE4082S1T2B8 Digital Output Module
These components together form a scalable and reliable distributed automation infrastructure for process industries.
Common Emerson DeltaV Discrete Input Modules
Frequently used related modules in similar applications include:
- VE4001S2B1 8-Channel Discrete Input Module
- VE4001S2T2B1 Series Input Variant
- VE4002S1T2B1 VerticalPlus I/O Subsystem Modules
- SE4083S2B11 Redundant Digital Input Modules
- SE4053S2B11 High-Density Input Cards