Product Core Brief

• Model: VE4002S1T2B5
• Brand: Emerson (DeltaV)
• Series: DeltaV Series 2 DCS
• Core Function: 32-channel discrete (digital) output module providing 24 VDC switching control for field devices such as solenoids, relays, and indicator lights.
• Product Type: Discrete Output (DO) I/O Module
• Key Specs: 32 Channels | 24 VDC | Potential Contact Output | Series 2
• Condition: New Surplus / OEM Original

Key Technical Specifications

• Module Type: Discrete Output Card (Series 2)
• Part Number:
• Channel Count: 32 Channels
• Output Signal: 24 VDC Discrete Output
• Output Type: Potential Contact
• System Compatibility: Emerson DeltaV DCS, Series 2 I/O Carriers
• Mounting: Series 2 Carrier Slot
• Diagnostic Features: Channel status indication, fault monitoring
• Certification: CE (verify specific certifications for your application)

 

Product Introduction

The Emerson is a high-density discrete output module designed for the DeltaV Series 2 distributed control system. It provides 32 channels of 24 VDC potential contact outputs, enabling the DCS to control field devices such as solenoid valves, relay coils, motor starters, and status indicators.

As part of the DeltaV Series 2 I/O family, this module delivers the robust diagnostics and fault-safe capabilities expected from Emerson’s flagship DCS platform. Its compact form factor maximizes I/O density within the carrier, reducing cabinet footprint while maintaining reliable switching performance for process automation applications.

 

QA & Testing SOP

Discrete output modules must reliably switch field loads without failure. We verify channel integrity and output functionality.

1. Anti-Counterfeit & Visual Audit: We inspect the Emerson/DeltaV silkscreen, verify the part number, and check the backplane connector and front panel for physical damage or corrosion.
2. Backplane Enumeration Test: We install the module in a DeltaV Series 2 test carrier to verify it correctly enumerates and communicates with the controller.
3. Channel Actuation Test: We command each of the 32 output channels to energize and de-energize, verifying proper switching response, status LED indication, and correct voltage output.
4. Load Drive Validation: We verify each channel can source/sink the rated current without excessive voltage drop or thermal issues.
5. ESD Safe Packaging: Output driver ICs are ESD sensitive. We pack in anti-static shielding bags with desiccant to prevent latent semiconductor damage.

Installation Pitfalls & Guide

❗ Output Type Verification: The provides potential contact outputs. Verify that your field wiring matches the output type. Connecting to the wrong voltage source or load type can damage the module or cause unsafe conditions.

❗ Inductive Load Protection: When driving inductive loads (solenoids, relay coils, motor starters), always install flyback diodes or snubber circuits across the load. Without proper suppression, inductive kickback can damage the output transistors and cause premature module failure.

❗ Current Rating Compliance: Never exceed the per-channel and total module current ratings. Overloading output channels will cause thermal damage and potential fire hazards. Verify your field device current draw before connecting.

❗ Power Removal Before Service: Always remove field power and backplane power before inserting or removing this module. While DeltaV Series 2 supports hot-swap, only follow proper procedures to prevent transient faults and field device misoperation.

Replacement SOP:

1. Pre-Install: Document the current channel assignments, load configurations, and alarm setpoints; place the associated control logic in bypass/maintenance mode.
2. Removal: Remove field power; disconnect field wiring (label every wire!); release the module from the carrier.
3. Install: Slide the new into the designated Series 2 slot; ensure firm backplane seating; reconnect field wiring.
4. Power-On Test: Restore power; verify the controller recognizes the module; force each channel on/off to confirm correct switching and proper load operation before removing bypass.

 

Technical FAQ

The is a discrete output module (32 channels, 24 VDC), used to control field devices. The VE4001S2T2B5 is a discrete input module (32 channels, 24 VDC, dry contact), used to monitor field device status. They serve opposite functions and are not interchangeable.

The suffix (B5 vs B6) typically denotes a hardware revision or manufacturing variant. Both are 32-channel discrete output modules for the DeltaV Series 2 platform. They are generally functionally compatible, but always verify with your DeltaV configuration software and ensure the hardware revision matches your system requirements.

Can this module drive high-current loads directly?
The is designed for low-current switching applications. For high-current loads (large solenoids, motor starters), use the module output to drive an interposing relay, which then switches the high-current load. Always verify the per-channel current rating in the DeltaV documentation.

Does this module support diagnostics?
Yes. The DeltaV Series 2 DO modules support channel status monitoring and fault reporting. The controller can detect output faults and report them to the operator, enabling predictive maintenance and rapid troubleshooting.

Why is this sold as new surplus?
This unit was pulled from sealed OEM overstock or an unfulfilled project before installation. We test it on our DeltaV test carriers to verify channel functionality, but we aren’t replacing internal components. You’re getting unused factory silicon with original manufacturing tolerances at a fraction of the active OEM list price.

Need the matching Series 2 I/O carrier, terminal blocks, or other DeltaV I/O modules? I can pull those up for you.