The Emerson VE4001S2T1B3 Discrete Input Card is a high-reliability digital input module designed for mission-critical process control and industrial automation. This card captures discrete (on/off) field signals from sensors, switches, and relay contacts, converting them into precise digital data for Emerson DeltaV™ and Ovation™ control systems. Engineered for continuous operation in demanding environments, it provides fast signal response, robust isolation, and hot-swappable functionality. Its rugged build and advanced diagnostics help ensure uninterrupted monitoring of equipment status in industries such as power generation, chemical processing, oil & gas, and water treatment.

Product Parameters

Applications

• Process Automation – Monitors on/off status of valves, pumps, and interlocks in chemical and pharmaceutical plants.

• Power Generation – Captures turbine trip signals, boiler safeties, and auxiliary equipment status.

• Oil & Gas – Interfaces with field switches on pipelines, drilling rigs, and offshore platforms.

• Water & Wastewater – Tracks pump station alarms, gate positions, and treatment plant processes.

• Manufacturing – Detects machine states, conveyor sensors, and robotic cell triggers.

• Building Automation – Integrates HVAC, lighting, and fire-safety signal monitoring into central control.

Advantages

• High Channel Density – Sixteen isolated inputs reduce cabinet space requirements.

• Fast Response – <5 ms input recognition supports real-time control and safety interlocks.

• Robust Isolation – 1500 V RMS channel-to-bus isolation protects against electrical noise and ground loops.

• Redundant Communication – Dual DeltaV™ I/O bus ensures continuous data flow even if one path fails.

• Wide Environmental Range – Operates reliably from –20 °C to +60 °C for harsh industrial conditions.

• Low Power Consumption – Requires only 6 W, minimizing heat generation and energy use.

• Hot-Swappable Design – Allows replacement or maintenance without system shutdown, improving uptime.

FAQ

1. What signal types can each input channel accept?

   Each channel supports dry contact closures or 18–32 VDC voltage inputs, offering flexibility for various field devices.

2. How many input channels are provided?

   The VE4001S2T1B3 offers 16 isolated input channels, each configurable for different discrete signal sources.

3. What is the typical input response time?

   Input changes are detected in less than 5 milliseconds, enabling rapid control and protective actions.

4. Is redundant communication supported?

   Yes, the card communicates through a redundant DeltaV™ I/O bus, ensuring data integrity even during network interruptions.

5. What level of electrical isolation is available?

   Each channel is isolated from the I/O bus with 1500 V RMS protection, guarding against ground loops and electrical interference.

6. Can the card be hot-swapped during operation?

   Yes, it can be inserted or removed without powering down the system, simplifying maintenance and reducing downtime.

7. What is the maximum power requirement?

   The module consumes up to 6 W under full load, optimizing energy efficiency and thermal performance.

8. Is the module certified for hazardous environments?

   It carries ATEX Zone 2, CE, UL, and CSA certifications, making it suitable for industrial hazardous areas.

9. What environmental limits does it tolerate?

   The card operates reliably from –20 °C to +60 °C and can be stored between –40 °C and +85 °C with 5–95% non-condensing humidity.

10. Which control systems are compatible with this card?

    It integrates seamlessly with Emerson DeltaV™ and Ovation™ distributed control systems for process automation.