VE4001S2T2B5 Emerson DeltaV Termination Block | New & Original Stock
Manufacturer: GE Fanuc
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Part Number: VE4001S2T2B5
Condition：New with Original Package
Product Type: Digital I/O Cards
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson VE4001S2T2B5 DeltaV S-Series/M-Series Module
The Emerson VE4001S2T2B5, also cataloged as the VE4001S2T2B5 Termination Block, operates as a dedicated hardware component for field-wiring termination and signal isolation within DeltaV Distributed Control System platforms.
Hardware Specifications
| Parameter | Specification |
| Model | VE4001S2T2B5 |
| Brand | Emerson (DeltaV) |
| Origin | USA |
| Weight | 0.10 kg (Net module); 2.0 kg (Shipping standard) |
| Dimensions | 125 x 41 x 105 mm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | 150 mA at 24 VDC field circuit power per card |
| Number of Channels | 32 discrete inputs |
| Physical Interface | 40-pin mass termination block with screw-clamp terminals |
| Voltage Range | 18 to 30 VDC (24 VDC nominal) |
| Isolation Rating | Channel-to-system factory tested to 1500 VDC |
| LocalBus Current | 50 mA typical, 75 mA maximum @ 12 VDC nominal |
| Input Impedance | 5000 ohm approximate |
| Signal Thresholds | On state: greater than 2 mA; Off state: less than 0.25 mA |
| Mechanical Vibration | 1 mm peak-to-peak (2 to 13.2 Hz); 0.7 g (13.2 to 150 Hz) |
| Mechanical Shock | 10 g, 11 ms half-sine profile |
| Atmosphere Limit | ISA-S71.04 Class G3 airborne contaminants |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The hardware infrastructure provides structural isolation between 32 discrete dry contact points and the internal system LocalBus. While analog channels utilize the 4-20 mA HART loop protocol to pass data streams, this discrete card termination assembly relies on optical switches to provide channel-to-system galvanic isolation rated up to 1500 VDC. This configuration contains a high-density 40-pin array that blocks transient electrical spikes from affecting the logic core, ensuring that discrete state changes or field loop faults remain localized to the specific active termination node without shifting the backplane references.
Frequently Asked Questions
Q: Under what exact parameters can hot-swap procedures be initiated for this hardware component?
A: Hot-swapping of the VE4001S2T2B5 block assembly can be executed only when the associated I/O card is completely unseated from the alignment interface and all field-side wiring loops are detached. Physical extraction while under live signal loads or with an active I/O module attached is prohibited in hazardous zones.
Q: How do the current detection thresholds distinguish between active and inactive contact states?
A: The card electronics evaluate current levels passing through the field loop. A valid "On" state registers when loop loop current exceeds 2 mA, whereas an "Off" state is triggered when the total line current drops below 0.25 mA through the 5000 ohm nominal input impedance circuit.
Field Installation Guidelines
- Connect the 40-pin mass termination block to the standard S-Series I/O carrier base, ensuring the mechanical alignment keys align correctly before final seating.
- Secure all external digital dry contacts using screw-clamp terminals with a wire size scale spanning 12 to 24 AWG.
- Wire input runs through low-voltage control ducts away from large inductive motor cables to prevent transient noise pickup on the 24 VDC distribution loops.
- Ground the multi-conductor signal shield wires to the primary instrumentation earth ground bar of the panel enclosure.
- Verify the correct setting of the mechanical rotary coding key to match the associated 32-channel discrete I/O hardware component profile before initialization.