Emerson 12P3270X022 VE4003S2B1 DeltaV Discrete Input Card

The Emerson VE4003S2B1, catalog number 12P3270X022, is a 16-channel Discrete Input (DI) Card engineered for use in the Emerson DeltaV™ DCS system. This module is a core component of the DeltaV I/O subsystem, offering reliable and high-speed acquisition of digital input signals from field devices such as limit switches, push buttons, and contact relays.

Designed with field diagnostics, robust electrical isolation, and modular scalability, the VE4003S2B1 provides unmatched flexibility for discrete signal monitoring in critical industrial automation environments. It supports both NAMUR and dry contact inputs, ensuring compatibility with a wide range of devices across multiple industries.

Technical Specifications

Applications

The Emerson VE4003S2B1 DI card is widely used in discrete control applications requiring high reliability and signal integrity, including:

• Oil & Gas Terminals – Monitoring valve and switch status in hazardous zones

• Chemical Plants – Tracking actuator and process interlock status

• Power Generation – Interfacing with breaker and protective relay signals

• Water & Wastewater – Monitoring pump start/stop commands and alarms

• Food & Beverage – Integrating with packaging machine logic and sensor inputs

• Pharmaceutical – Cleanroom interlocks and access control inputs

Product Advantages

Rapid Response Time: Less than 1 ms per channel ensures fast reaction to digital events.

Field Diagnostics: Integrated health monitoring and wire break detection (NAMUR).

Channel Isolation: Improves reliability by preventing signal interference and cross-talk.

Universal Compatibility: Accepts dry contact or NAMUR inputs for broader device integration.

Seamless DeltaV Integration: Plug-and-play setup within the DeltaV system architecture.

Compact Modular Design: Optimized for tight cabinet installations.

Hot-swappable Capability: Enables easy maintenance without system shutdown.

Certified for Hazardous Areas: Ensures safe deployment in demanding industrial environments.

Frequently Asked Questions (FAQ)

1. How many channels does the VE4003S2B1 support?

   This card supports 16 discrete input channels.

2. What type of input signals are compatible with this card?

   It supports both dry contact and NAMUR sensor inputs.

3. Is this card hot-swappable?

   Yes, it can be replaced or inserted while the system is running.

4. Does this card support diagnostics?

   Yes, it includes input status reporting and NAMUR open-wire detection.

5. Can the VE4003S2B1 be used in hazardous areas?

   Absolutely. It carries certifications like ATEX, IECEx, and FM.

6. Is it compatible with redundant DeltaV systems?

   Yes, it supports full I/O redundancy configurations.

7. What is the channel update time?

   Each channel updates in less than 1 millisecond.

8. Is there isolation between input channels?

   Optical isolation is provided between inputs and system bus.

9. Can I use this module outside the DeltaV system?

   It’s optimized for DeltaV, but third-party use may require protocol adaptation.

10. What is the power consumption of the module?

    Power draw is approximately 3.5W under nominal operating conditions.