



The Emerson VE4001S4T2B1 is a DeltaV Series 2 discrete input module designed for reliable monitoring of high-voltage AC digital signals in industrial automation systems. It is typically used to collect ON/OFF status information from field devices such as breaker auxiliary contacts, relays, limit switches, motor starters, and alarm circuits operating in 230 V AC control environments.
Built for harsh electrical conditions, the module provides strong isolation, stable signal detection, and integrated diagnostics, ensuring safe and consistent operation in power-intensive industrial applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | VE4001S4T2B1 |
| Product Type | Discrete Input Module (DI) |
| System Platform | DeltaV Series 2 I/O |
| Input Channels | 8 channels |
| Input Type | 230 V AC digital input |
| Signal Type | AC dry contact / powered status signals |
| Input Voltage Range | 180–264 V AC (typical) |
| Frequency | 50/60 Hz |
| Response Time | ≤ 10 ms |
| Isolation | Channel-to-system galvanic isolation |
| Diagnostics | Channel status monitoring and fault detection |
| Wiring Type | Industrial terminal interface |
| Mounting Method | DeltaV I/O carrier mounted |
| Operating Temperature | -40°C to +70°C |
| Humidity Range | 5%–95% non-condensing |
| EMC Protection | Industrial-grade noise immunity design |
Physical Dimensions & Weight
| Parameter | Specification |
|---|---|
| Dimensions (H × W × D) | 105 × 125 × 42 mm |
| Weight | Approx. 0.30–0.45 kg |
Recommended Related Models
The VE4001S4T2B1 is commonly deployed alongside:
- Emerson VE3006 MD Plus Controller Module
- Emerson VE3008 MQ Controller Module
- Emerson VE4003S2B1 Analog Input Module
- Emerson VE4005S2B1 Analog Output Module
- Emerson VE4033S2B1 Redundant I/O Module
- Emerson VE4001S4T1B1 / VE4001S4T1B2 High-Voltage DI Variants
- Emerson VE4001S3T2B2 120 V AC Input Module
- Emerson VE4001S2T2B1 24 V DC Input Module
- Emerson KJ3241X1-BA1 Serial Interface Module
- Emerson SE4055S2B5 Analog Output Card
Popular Emerson DeltaV Modules
Commonly used DeltaV Series 2 components include:
- VE3006 MD Plus Controller
- VE3008 MQ Controller
- VE4003S2B1 Analog Input Module
- VE4005S2B1 Analog Output Module
- VE4001S4T2B1 High-Voltage Input Module
- VE4001S2T2B1 Low-Voltage Input Module
- VE4001S2T2B4 / B5 Input Variants
- VE4033S2B1 Redundant I/O Module
- KJ3203X1-BA1 Analog Output Module