Product Details
Configured for discrete signal termination in DeltaV I/O subsystems, the Emerson VE4001S2T2B5 (VE4001S2T2B5 40-pin Mass Termination Block) provides direct physical/electrical execution of 32-channel signal interfacing.
Hardware Specifications
| Parameter | Specification |
| Model | VE4001S2T2B5 |
| Brand | Emerson |
| Origin | USA |
| Weight | 2.0 kg |
| Dimensions | Standard 40-pin block form factor |
| Operating Temp | Not specified |
| Power Consumption | 50 mA (typical); 75 mA (maximum) |
| Channel Count | 32 channels |
| Input Impedance | 5K ohm (approximate) |
Process Control: Channel-to-Channel Isolation
The VE4001S2T2B5 termination block is engineered to maintain signal integrity through rigorous channel-to-channel isolation. Each of the 32 input channels is optically isolated from the system backplane, with a factory-verified dielectric strength of 1500 VDC. This isolation prevents electrical faults or high-voltage transients on individual field loops from affecting the DeltaV controller or adjacent I/O channels. The module ensures consistent signal thresholds, with an 'On' detection level defined at greater than 2 mA and an 'Off' level at less than 0.25 mA, maintaining stable state reporting across the entire I/O block.
Frequently Asked Questions (FAQ)
Q: Can this termination block be hot-swapped while the I/O bus is active?
A: The VE4001S2T2B5 is designed for integration into the DeltaV M-series I/O carrier, which supports hot-swapping. However, ensure that the corresponding I/O card is properly offlined in the configuration software before mechanical removal to prevent unexpected signal states.
Q: Is external wetting voltage required for the field circuits?
A: The module supports a field circuit power requirement of 150 mA at 24 VDC per card. Users must ensure that the field-side wiring provides the necessary current for loop operation, adhering to the specified voltage thresholds.
Field Installation Guidelines
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Mounting: Secure the 40-pin block to the DeltaV M-series I/O carrier. Ensure all alignment pins are correctly seated before engaging the retention clips to provide a reliable mechanical and electrical connection to the backplane.
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Wiring: Terminate field conductors according to the documented 40-pin map. Due to the high density of the mass termination interface, utilize ferrules for all stranded conductors to prevent strand splaying and potential short circuits between adjacent pins.
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Grounding: Bond the I/O carrier chassis to the system common ground bus. This is mandatory to ensure that the optical isolation barrier remains effective and to provide a path for discharge of induced electrical noise.
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Verification: Following installation, perform a continuity check on each loop to verify field-to-controller mapping. Confirm that the input impedance matches the expected 5K ohm load before initializing the I/O point in the DeltaV control database.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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