



The Emerson VE4001S2T2B4 with KJ4001X1-CJ1 termination assembly is a DeltaV Series 2 discrete input solution designed for high-density digital signal acquisition in demanding process automation environments. This configuration is widely used for monitoring field devices such as limit switches, pushbuttons, relay contacts, alarm circuits, and equipment status signals.
Featuring a 32-channel architecture, the module helps reduce cabinet space requirements while maintaining excellent signal integrity, system reliability, and diagnostic capabilities. It is particularly suitable for large-scale process facilities requiring centralized monitoring of numerous digital inputs.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | VE4001S2T2B4 |
| Termination Block | KJ4001X1-CJ1 |
| Product Type | Discrete Input Module |
| System Platform | DeltaV M-Series / Series 2 |
| Input Channels | 32 Channels |
| Input Signal Type | 24 VDC Dry Contact |
| Voltage Range | 19.2–28.8 VDC |
| Current Consumption | Approx. 2.5 mA per channel |
| Response Time | 1 ms Typical |
| Isolation | Channel-to-Chassis Isolation |
| Diagnostics | Built-in Channel Monitoring |
| Termination Type | 32-Channel Terminal Block |
| Maximum Terminal Block Rating | 30 VDC, 1 A |
| Operating Temperature | -40°C to +70°C |
| Humidity | 5%–95% Non-Condensing |
| Mounting Method | DeltaV Carrier Mounted |
Physical Dimensions & Weight
| Parameter | Specification |
|---|---|
| Dimensions (L × W × H) | 220 × 120 × 60 mm |
| Weight | Approx. 0.50 kg |
Compatible and Recommended Models
The VE4001S2T2B4 KJ4001X1-CJ1 is frequently integrated with the following DeltaV components:
- 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 Discrete Input Module
- Emerson VE4001S2T2B5 Mass Termination Input Module
- Emerson SE4053S2B11 Analog Input Card
- Emerson SE4055S2B5 Analog Output Card
Common Emerson DeltaV Models
The following modules are among the most widely deployed within DeltaV automation systems:
- VE3006 MD Plus Controller
- VE3008 MQ Controller
- VE4003S2B1 Analog Input Module
- VE4005S2B1 Analog Output Module
- VE4001S2T2B4 32-Channel Discrete Input Module
- VE4001S2T2B5 40-Pin Mass Termination Module
- KJ3241X1-BA1 Serial Interface Module
- VE4033S2B1 Redundant I/O Module