Emerson VE4002S1T2B5

Product Name:​ DeltaV M-series Traditional I/O — 32-Channel Discrete Output (DO) Card, 24 V DC High-Side
Product Overview:​ The VE4002S1T2B5 is a high-density discrete output card in the DeltaV M-series. It provides 32 independent 24 V DC high-side output channels in a single carrier slot, making it ideal for applications requiring large numbers of discrete output points in minimal rack space.
Category:
Description
Technical Specifications:
Parameter
Specification
Channels
32 independent discrete output channels
Output Type
24 V DC high-side (source) switching
Nominal Output Voltage
24 V DC (operating range 18–30 V DC)
Max Current per Channel
0.5 A continuous (per verified supplier datasheets)
Aggregate Module Current
Up to 8 A (all channels active)
Channel-to-Backplane Isolation
1500 V AC
Response Time
≤ 1 ms
Field Power Requirement
24 V DC, up to approx. 3.2 A for full loading
Local Bus Power
Draws approx. 150 mA from 12 V DC local bus
Dimensions (H×W×D)
Approx. 86.8 × 51.1 × 32.4 mm
Weight
Approx. 0.5 kg
Operating Temperature
–40 °C to +70 °C
Protection Rating
IP20
Hot-Swap
Supported
Functional Features:
  • High channel density​ — 32 outputs in one slot maximizes I/O carrier real estate.
  • Per-channel isolation and protection​ reduces risk of cross-channel fault propagation.
  • Fail-safe de-energization​ behavior during controller faults maintains process safety without operator intervention.
  • Standard terminal keying​ prevents incorrect card-to-terminal block mismatches during installation.
  • On-board diagnostics​ report channel faults to the DeltaV event journal.
  • Seamless DeltaV integration​ with native configuration and diagnostic support.
Application Scenarios:
  • Oil & Gas Production:​ Wellhead control panels, pipeline isolation systems, compressor station safety circuits — where 32-channel density consolidates shutdown valve control into minimal rack space (especially valuable on offshore platforms).
  • Power Generation:​ Turbine control systems and balance-of-plant automation for auxiliary equipment sequencing, alarm annunciation, and protective relay interfacing.
  • Process Automation:​ High-volume solenoid, relay, and actuator control.
Installation Requirements:
  • Mount on a DeltaV M-series I/O carrier (e.g., VE4050S2K1C0).
  • Ensure 24 V DC field power supply has adequate current margin for the total load (up to 3.2 A).
  • Use correctly keyed termination block to prevent mismating.
  • Provide IP-rated enclosure for the host control cabinet.
  • ESD-safe handling mandatory.
Usage Notes:
  • Fail-safe output state (off / hold) must be configured in DeltaV engineering before commissioning safety-relevant loops.
  • For SIL-rated safety loops, consult Emerson’s Safety Manual — the card’s hardware safety integrity forms one layer of a complete SIS verification calculation.
  • When hot-swapping, the terminal wiring remains untouched; only the electronic module is replaced.
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