
Product Overview
The Emerson VE4033S2B1 (with KJ3222X1-BA1 and KJ3222X1-EA1) is a redundant analog input card designed for use in DeltaV M-series distributed control systems. This 8-channel 4–20 mA HART AI module provides reliable signal acquisition from field devices with full redundancy for high availability in critical applications.
Product Features
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Supports HART pass-through for AMS Device Manager
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Redundant card pairing with automatic switchover
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Hot-swappable and auto-sensing redundancy
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Field wiring via standard or redundant terminal blocks
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Built-in channel status LEDs and diagnostics
Technical Specifications
| Parameter | Specification |
|---|---|
| Channels | 8 isolated analog input channels |
| Input Signal Range | 4–20 mA (nominal), 1–22.5 mA full range |
| Resolution | 16-bit A/D converter |
| Accuracy | ±0.1% of span over temperature range |
| Repeatability | ±0.05% of span |
| Isolation | 1500V DC optical per channel |
| Local Bus Current (Redundant) | 175 mA typical, 250 mA max (per card) |
| Field Power Requirement | 300 mA max @ 24V DC |
| HART Support | Yes (pass-through, variable reporting) |
| HART Scan Time | 600–800 ms/channel |
| Redundancy Switchover Time | <2 I/O scans (<10 ms typical) |
| Operating Temperature | -40°C to 70°C |
| Protection Class | IP20 |
| Certifications | FM, CSA, ATEX, IECEx, CE, Marine |
| Dimensions (H x W x D) | 107 x 41 x 105 mm |
| Weight | 0.3 kg |
Application Fields
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Oil & Gas Production Platforms
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Chemical and Petrochemical Plants
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Power Generation Facilities
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Water/Wastewater Treatment Plants
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Pharmaceutical Manufacturing
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Mining and Metals Processing
Product Advantages
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Enables high availability with 1:1 redundancy
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Minimizes downtime with auto-switchover
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Reduces wiring costs through field-mountable I/O
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Plug-and-play design simplifies installation
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Integrated diagnostics enhance system monitoring
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Compatible with legacy and modern DeltaV systems
Frequently Asked Questions (FAQ)
1. What is the function of the VE4033S2B1 card?
It is an 8-channel redundant analog input card for 4–20 mA HART signal acquisition in the DeltaV system.
2. Can I use the VE4033S2B1 card in hazardous areas?
Yes, it is certified for Class I, Division 2 (FM/CSA) and Zone 2 (ATEX/IECEx) environments.
3. Is this card hot-swappable?
Yes, the card can be replaced under power in safe area installations.
4. What happens if the primary card fails?
The system automatically switches to the secondary card without manual intervention.
5. Does the card support HART communication?
Yes, it supports HART pass-through for advanced diagnostics and device configuration.
6. How does the system detect a faulty I/O card?
Hardware alerts and diagnostics report failures and trigger auto-switchover if necessary.
7. What is the input signal range the card can read?
The full signal range is 1 to 22.5 mA, while the nominal operating span is 4 to 20 mA.
8. How do I connect field devices to this card?
Through a compatible 8-channel redundant terminal block, such as VE4033S2B1.
9. What version of DeltaV is supported?
It is compatible with DeltaV v10.3.1 and above.
10. Can I mix redundant and non-redundant I/O in the same DeltaV system?
Yes, the system supports mixed configurations without requiring separate configuration.
Related Emerson Models (Same Series)
| Model Number | Description | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| VE4003S2B1 | Simplex AI 8CH 4–20 mA HART I/O Card | 8 | Analog Input | 107×41×105 | 0.3 |
| VE4033S2B2 | Redundant AI 8CH Fused Term Block | 8 | Analog Input | 107×41×105 | 0.3 |
| VE4033S2B10 | Redundant AI 16CH 2-/4-Wire Plus Term Block | 16 | Analog Input | 107×41×105 | 0.3 |
| VE4005S2B1 | Simplex AO 8CH 4–20 mA HART I/O Card | 8 | Analog Output | 107×41×105 | 0.3 |
| VE4035S2B1 | Redundant AO 8CH 4–20 mA HART Term Block | 8 | Analog Output | 107×41×105 | 0.3 |
| VE4003S2B4 | AI 16CH Mass Term Block | 16 | Analog Input | 107×41×105 | 0.3 |
Popular Emerson Models (Different Functions)
| Model Number | Description | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| VE4001S2T1B1 | DI 8CH 24V DC Isolated I/O Card | 8 | Digital Input | 107×41×105 | 0.3 |
| VE4002S1T2B1 | DO 8CH 24V DC High-Side I/O Card | 8 | Digital Output | 107×41×105 | 0.3 |
| VE4003S4B1 | Thermocouple 8CH Input Card | 8 | Analog Input | 107×41×105 | 0.3 |
| VE4003S6B1 | RTD 8CH Analog Input Card | 8 | Analog Input | 107×41×105 | 0.3 |
| VE4001S5T2B4 | Sequence of Events (SOE) 16CH Input | 16 | Digital Input | 107×41×105 | 0.3 |
| VE4015 | Pulse Count Input Card 4CH | 4 | Pulse Input | 107×41×105 | 0.3 |
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