The Emerson VE4001S2T1B2 is a DeltaV Series 2 isolated discrete input module designed for accurate acquisition of 24 V DC digital signals in industrial automation systems. It is widely used to monitor ON/OFF states from field devices such as switches, relays, limit contacts, alarm circuits, motor starters, and safety interlocks.
Built with strong electrical isolation and industrial-grade robustness, this module ensures stable signal detection even in electrically noisy environments, making it suitable for continuous process control and critical safety-related monitoring applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | VE4001S2T1B2 |
| Product Type | Discrete Input Module (DI) |
| System Platform | DeltaV Series 2 |
| Input Channels | 8 channels |
| Input Type | 24 V DC digital input |
| Signal Type | Dry contact / powered status signals |
| Input Voltage Range | 19.2–28.8 V DC |
| Input Detection | ON > 10 V DC / OFF < 5 V DC |
| Response Time | ≤ 1 ms (typical) |
| Isolation | Optically isolated, up to 1500 VDC |
| Diagnostics | Channel status monitoring & fault detection |
| Power Requirement | LocalBus 12 VDC (low current consumption) |
| Mounting Method | DeltaV I/O carrier mounted |
| Operating Temperature | -40°C to +70°C |
| Humidity Range | 5%–95% non-condensing |
| EMC Protection | Industrial noise immunity design |
Physical Dimensions & Weight
| Parameter | Specification |
|---|---|
| Dimensions (L × W × H) | 105 × 125 × 42 mm |
| Length × Width × Height | Included as unified format |
| Weight | Approx. 0.35–0.85 kg |
Recommended Related Models
The VE4001S2T1B2 is commonly used with:
- 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 VE4001S2T2B1 / VE4001S2T2B4 / VE4001S2T2B5 Digital Input Series
- Emerson VE4001S4T2B1 / VE4001S4T2B2 High-Voltage Input Modules
- Emerson SE4053S2B11 Analog Input Card
- Emerson SE4055S2B5 Analog Output Card
- Emerson KJ3241X1-BA1 Communication Module
Popular Emerson DeltaV Modules
Commonly deployed DeltaV Series 2 components include:
- VE3006 MD Plus Controller
- VE3008 MQ Controller
- VE4003S2B1 Analog Input Module
- VE4005S2B1 Analog Output Module
- VE4001S2T1B2 Isolated Digital Input Module
- VE4001S2T2B1 / B4 / B5 DI Variants
- VE4033S2B1 Redundant I/O Module
- KJ3203X1-BA1 Analog Output Module
- KJ3241X1-BA1 Serial Interface Module
