The Emerson VE4001S2T2B1 assembly (KJ3201X1-BA1 + KJ4001X1-CA1) is a DeltaV Series 2 discrete input solution designed for stable acquisition of 24 V DC digital field signals. It is typically used in Emerson DeltaV distributed control systems to monitor ON/OFF states from field devices such as switches, relays, interlocks, alarm contacts, and safety shutdown signals.
This configuration combines the I/O module (KJ3201X1-BA1) with its matching terminal block (KJ4001X1-CA1), forming a complete field-to-system interface that ensures secure wiring, signal integrity, and consistent performance in demanding industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model Assembly | VE4001S2T2B1 |
| Module PN | KJ3201X1-BA1 |
| Terminal Block PN | KJ4001X1-CA1 |
| 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 |
| Field Voltage | 24 V DC nominal |
| Signal Function | ON/OFF status monitoring |
| Response Time | ≤ 1 ms (typical) |
| Isolation | Optical / channel isolation architecture |
| Diagnostics | Channel-level status and fault detection |
| Wiring System | DeltaV termination assembly (CA1) |
| Mounting Type | DeltaV I/O carrier mounted |
| Power Consumption | Low-power industrial design |
| Operating Temperature | -40°C to +70°C |
| Humidity Range | 5% to 95% non-condensing |
| EMC Protection | Industrial noise immunity design |
Physical Dimensions & Weight
| Parameter | Specification |
|---|---|
| Module Dimensions (H × W × D) | 105 × 125 × 42 mm |
| Terminal Block Dimensions | ~120 × 100 × 40 mm |
| Assembly Dimensions (L × W × H) | 300 × 220 × 30 mm |
| Total Weight | Approx. 0.35–0.60 kg |
System Integration & Recommended Related Modules
The VE4001S2T2B1 (KJ3201X1-BA1 + KJ4001X1-CA1) is commonly deployed within Emerson DeltaV systems 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 together form a scalable and highly reliable distributed control architecture for process industries.
Common Emerson DeltaV Discrete Input Assemblies
Frequently used related configurations include:
- VE4001S2T2 series discrete input modules
- VE4001S2T1 series variants
- KJ3201X1-BA1 input card family
- KJ4001X1-CA1 standard terminal block systems
- SE4083S2B11 redundant DI systems
