Description
Meta Description
Purchase the original Emerson DeltaV VE4001S2T2B4 (KJ3203X1-BA1) discrete input card. 32-channel, 24 V DC dry contact module with warranty and worldwide express shipping.
Product Overview
The Emerson DeltaV VE4001S2T2B4 is a high-density, S-series discrete input card that supports 32 channels of 24 V DC dry contact signals. It senses binary states from limit switches, pushbuttons, and interlocks across industrial process loops. This complete bundle includes the active KJ3203X1-BA1 electronics module alongside the matching KJ4001X1-CJ1 standard termination block to simplify field wiring connections.
Technical Specifications
Verify system compatibility and electrical thresholds using the primary parameters below:
| Parameter | Value |
| Model Number | VE4001S2T2B4 |
| Alternate Part Numbers | KJ3203X1-BA1, 12P3270X032, 12P3270X022 |
| Input Type | 24 V DC, Dry Contact (High Side) |
| Channel Density | 32 Channels (Non-isolated) |
| Field Circuit Power | 300 mA maximum at 24 V DC (+10%) |
| Termination Block | KJ4001X1-CJ1 Standard Termination Block |
| Operating Temp | −40 to +70 °C (−40 to +158 °F) |
Operational Realities & Lifecycle Strategy
From a plant maintenance standpoint, high-density DI cards like the VE4001S2T2B4 are standard wear-and-tear items. Because they monitor up to 32 field contacts, a single wiring ground fault or high-voltage surge can damage multiple input channels at once. Relying on a JIT replenishment strategy for these cards poses high operational risks because of unpredictable lead times from primary vendors.
- Stocking Recommendation: Min 2 units / Max 4 units on-site depending on the total installed DI base.
- Buffer Stock Strategy: Store in original ESD packaging. Always verify the terminal block assembly matches the card revision prior to binning.
- Not Recommended For: Sequence-of-events recording (SOE) requiring sub-millisecond precision, as this card lacks specialized high-resolution timestamp buffers.




