Description
1. Product Title
Emerson SE4001S2T2B5‑ DeltaV S‑Series 32‑Channel 24VDC Discrete Input Module
2. Product Overview
The SE4001S2T2B5 is a high‑density 32‑channel discrete input card for Emerson DeltaV S‑Series traditional I/O subsystem. It acquires dry‑contact / 24 VDC on‑off status from field switches, relay contacts, limit switches and digital sensors, and transmits digital status data to DeltaV controllers over LocalBus backplane. Every channel provides individual optical galvanic isolation to suppress ground‑loop noise and transient surges from field side. It supports hot‑swap replacement without system shutdown, works with 40‑pin mass termination terminal block for field wiring connection. Built‑in channel‑level diagnostics detect wiring anomalies and module health status. This module delivers reliable digital signal collection for large‑scale process plants, reduces field signal interference risks and simplifies cabinet wiring and maintenance workflows for continuous process automation.
3. Technical Specifications
- Brand: Emerson DeltaV
- Model: SE4001S2T2B5
- Warranty: One Year
- Condition: 100% New & Original
- I/O Type: 32‑channel discrete digital input, dry‑contact / 24 VDC sensing
- Per‑channel Field Current: 5 mA typical @ 24 VDC field supply
- On‑state Threshold: >2 mA; Off‑state Threshold: <0.25 mA
- Isolation: Per‑channel optical isolation, 1500 VDC dielectric withstand
- Backplane Bus: DeltaV LocalBus, 12 VDC backplane power
- Field Termination: 40‑pin mass termination block (KJ4006X1‑BP1 / 12P4733X042)
- Diagnostics: Module health LED indicators, channel fault reporting
- Feature: Hot‑swappable, snap‑in carrier mounting, no wire disconnection during module swap
- Operating Temp: ‑40 °C ~ +70 °C
- Humidity: 5‑95 % RH non‑condensing
- Mounting: Slot‑in installation on DeltaV S‑Series I/O carrier rack
- Weight: Approx 2.0 kg
- Compatibility: DeltaV S‑Series DCS control system
- Compliance: CE, UL‑cUL certified
5. Application Scenarios
- Chemical Plant DCS Cabinet: Collecting on‑off status of valves, limit switches, pump run/stop feedback and local interlock contacts for reactor and distillation‑unit control loops.
- Oil & Gas Refinery Process Control: Deployed in DeltaV I/O racks for large‑volume digital signal acquisition from field transmitters, safety auxiliary contacts and motor‑control‑center feedback signals.
- Combined‑Cycle Power‑Generation Facility: Used for boiler auxiliary equipment status monitoring, capturing burner, damper and pump discrete feedback signals for plant DCS monitoring and sequence‑logic execution.
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