



The Emerson VE4001S2T2B3 (KJ3201X1-BA1 + KJ4001X1-CE1) is a DeltaV Series 2 discrete input solution designed for accurate acquisition of 24 V DC digital signals from field devices. It is commonly used in Emerson DeltaV distributed control systems to monitor ON/OFF states such as switches, relay contacts, interlocks, alarms, and safety shutdown signals.
This configuration combines the input module (KJ3201X1-BA1) with a 16-pin mass termination block (KJ4001X1-CE1), ensuring secure field wiring, stable signal transmission, and efficient installation in industrial control cabinets.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model Assembly | VE4001S2T2B3 |
| I/O Module | KJ3201X1-BA1 |
| Terminal Block | KJ4001X1-CE1 |
| Product Type | Discrete Input Module (DI) |
| System Platform | DeltaV Series 2 I/O |
| Input Channels | 8 channels |
| Input Type | 24 V DC dry contact / digital input |
| Signal Function | ON/OFF status detection |
| Field Voltage | 24 V DC nominal |
| Response Time | ≤ 1 ms (typical) |
| Isolation | Optical / channel isolation architecture |
| Diagnostics | Channel-level status and fault monitoring |
| Wiring Interface | 16-pin mass termination system |
| Mounting Type | DeltaV I/O carrier mounted |
| Operating Temperature | -40°C to +70°C |
| Humidity Range | 5% to 95% non-condensing |
| EMC Protection | Industrial-grade noise immunity design |
Physical Dimensions & Weight
| Parameter | Specification |
|---|---|
| Module Dimensions (H × W × D) | 105 × 125 × 42 mm |
| Terminal Block Dimensions | ~120 × 90 × 40 mm |
| Assembly Dimensions (L × W × H) | ~280 × 200 × 35 mm |
| Total Weight | Approx. 0.35–0.65 kg |
System Integration & Recommended Related Modules
The VE4001S2T2B3 assembly is commonly used in Emerson DeltaV architectures 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 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 form a scalable and high-reliability distributed control system architecture for process industries.
Common Emerson DeltaV Discrete Input Assemblies
Frequently used related configurations include:
- VE4001S2T2 series 8-channel DI modules
- VE4001S2T2B1 / B2 / B3 variants
- VE4001S2T1 isolated input series
- VE4001S2T2B4 / B5 high-density 32-channel DI modules
- KJ4001X1-CE1 16-pin mass termination blocks
- SE4083S2B11 redundant input systems