Description
The SE4001S2T2B5 is a high-density Discrete Input (DI) Card belonging to the DeltaV S-series Traditional I/O subsystem manufactured by Emerson Process Management.
This specific module is engineered to monitor 32 independent channels of 24 V DC dry contact signals from field devices (such as limit switches, pushbuttons, relay contacts, and interlocks) within industrial process plants. The alphanumeric string maps out the card as part of the S-series platform (featuring a snap-in mechanical profile), equipped with an integrated 40-pin mass terminal block connection designed to interface cleanly with Pepperl+Fuchs (P+F) intrinsic safety (IS) isolation barriers or specialized marshalling termination boards.
Technical Specifications
| Parameter | Specification / Value |
| Brand | Emerson (DeltaV Series) |
| Model / Part Number | SE4001S2T2B5 |
| Alternate Engineering ID | 12P4694X062 / KJ3203X1-BK1 |
| Module Classification | S-Series Traditional High-Density Discrete Input Card |
| Channel Count | 32 Channels |
| Input Signal Profile | 24 V DC Dry Contact (Discrete / Digital) |
| Field Circuit Sensing Current | \approx 5 mA per channel nominal |
| Physical Termination | 40-pin Mass Terminal Block Connector interface |
| Environmental Protection | ISA-S71.04-1985 Class G3 Conformal Coating standard |
| Operating Temperature | −40 °C to +70 °C (−40 °F to +158 °F) |
| Hazardous Area Approvals | ATEX Zone 2 Ex nA IIC T4 Gc; FM/CSA Class I, Div 2 |
Field Application and System Integration Notes
1. High-Density Mass Termination Board Configuration
Unlike standard 8 or 16-channel DeltaV input cards that use individual screw terminal blocks, the SE4001S2T2B5 relies on a specialized high-density 40-pin mass connection interface (KJ4006X1-BP1 / 12P4733X062).
- Optimized Marshalling: This card is specifically designed to route straight to multi-channel termination assemblies or intrinsic safety isolator panels (such as P+F HiC series barriers) via pre-assembled ribbon/mass cables. This significantly reduces manual wiring labor and eliminates bulky point-to-point marshaling cabinets.
2. Auto-Sensing and Plug-and-Play Hot Swapping
The DeltaV S-series platform is fully plug-and-play and supports active system expansion or inline card substitution:
- Online Swapping: The card can be pulled from or inserted into the I/O carrier rack under live system power without disrupting neighboring processing loops or triggering a node failure.
- Auto-Discovery: Upon physical insertion, the primary DeltaV controller node dynamically senses the module’s presence, cross-references its built-in hardware identification keys, and auto-populates its general diagnostic parameters into the DeltaV Explorer database. No manual DIP-switch configuration or physical jumper placement is necessary.
3. S-Series Mechanical Advantages Over M-Series
If you are migrating or supporting legacy infrastructure, note that the S-series cards utilize an improved snap-in retention latch mechanism. This allows the electronic module to be separated entirely from the passive backplane bus carrier and field terminal block without disturbing any attached field wiring lines, cutting down maintenance turnaround windows.
Commercial and Procurement Data
- Product Condition: New Original (Factory Sealed Anti-Static Bag) or Certified Refurbished Surplus (validated via dynamic secondary current loop checks and channel-by-channel signal verification).
- Standard Warranty: 12-month comprehensive industrial hardware warranty.
- Estimated Lead Time: In-stock configurations generally prepare and ship within 1 to 2 business days via expedited global courier services.
- Pricing Notice: Valuation changes depend on global warehouse stock indexes, lifecycle support phases, and urgent factory-down replacement requirements. Contact our specialized DCS components division for a formal, time-stamped commercial proposal.




