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- VE4002S1T2B2
- Discrete Output Card
- USA
- 100 × 90 × 60 mm
- 0.535kg
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Product Overview: Emerson VE4002S1T2B2
Product Parameters
| Parameter | Specification |
|---|---|
| Model | VE4002S1T2B2 |
| Type / Function | High‑Side Discrete Output Card (Series 2) |
| Number of Output Channels | 8 channels |
| Output Voltage | 24 V DC (High‑side switching) |
| Output Current | Up to 0.5 A per channel |
| Redundancy | 1:1 redundancy with automatic switchover |
| Mounting / Connection | DIN rail via I/O interface carrier |
| Protection Rating | IP20 |
| Operating Temperature | –40 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | 5 % to 95 % non‑condensing |
| Shock / Vibration | 10 g, ½ sine 11 ms; vibration 1 mm (5–16 Hz) / 0.5 g (16–150 Hz) |
| Dimensions (HxWxD) | (not officially documented; typical Series 2 cards ~100 × 90 × 60 mm) |
| Weight | 0.535 kg (approximately) |
Product Introduction
The VE4002S1T2B2 is a discrete output module in Emerson’s Series 2 I/O family, designed for the DeltaV distributed control system (DCS). It provides 8 high‑side outputs at 24 VDC, allowing the control system to switch field devices such as solenoids, relays, contactors, and other actuators reliably.
One of its key features is 1:1 redundancy with automatic switchover: if one channel or module fails, the redundant module takes over without interrupting operations. This makes it suitable for mission‑critical systems where uptime is essential.
The module mounts in a standard I/O carrier and connects via DIN rail, allowing compact installation and integration into existing I/O racks. Its design provides isolation and protection to ensure that faults or transients on the field side do not damage the control logic.
Product Applications
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Control of valves, solenoids, and actuators in process plants
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Switching auxiliary relays or contactors in industrial automation
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Redundant output control in high‑availability systems (e.g. safety or failover)
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Oil & gas, chemical, petrochemical, power plants for field device actuation
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HVAC and utility systems where discrete outputs are needed
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Any automation scheme within the DeltaV DCS that requires reliable discrete outputs
Product Advantages
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Redundancy Built-In — automatic switchover ensures continuity in case of faults
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Compact & Modular — fits in standard I/O racks with ease
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High-Side Switching — simplifies wiring when switching positive voltage to loads
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Isolation & Protection — safeguards the control system from field anomalies
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Wide Temperature & Environment Range — suitable for harsh industrial settings
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Ease of Integration — designed for seamless compatibility with DeltaV and S2 I/O architecture
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Predictable Performance — fixed current rating, well-defined behavior under load
Brand and Series Information
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Brand: Emerson
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Series / Product Family: DeltaV / Series 2 I/O Modules
The Series 2 I/O modules are part of Emerson’s modular automation architecture, intended for scalable and flexible implementation of control systems.
Related Models (Same Series or Closely Related)
Here are five modules in the same or adjacent I/O family that might serve complementary or alternative roles:
| Model | Function / Type | Output / Input Specification | Dimensions / Mounting | Weight | Key Distinguishing Feature |
|---|---|---|---|---|---|
| VE4002S1T2B1 | High-side discrete output (8 ch) | 24 VDC outputs, 8 ch | Similar card form factor | ~0.5 kg | Non‑redundant variant |
| VE4002S1T2B3 | High-side discrete output (16 ch) | 24 VDC outputs, 16 channels | Larger card size | ~0.8 kg | Higher channel count |
| VE4001S1T2B2 | Discrete input module | 24 VDC inputs, 8 channels | Similar mounting style | ~0.5 kg | Input counterpart in same series |
| VE4003S1T2B2 | Discrete output for another I/O class | 24 VDC outputs (32 ch) | Larger dimension | ~0.7 kg | More outputs for dense tasks |
| VE4002S2T2B2 | Enhanced version / Series 2 Plus | 24 VDC outputs, improved features | Similar footprint | ~0.6 kg | Extended features or speed |
Popular Models from the Same Brand (Emerson)
Here are five well‑known or commonly used Emerson modules in the control / I/O / interface domain:
| Model | Role / Function | Key Spec or Application | Weight / Package | Notable Feature |
|---|---|---|---|---|
| VE4001S2T2B1 | Discrete input module (32 ch) | 24 VDC inputs, isolation | ~0.6 kg | Companion input module |
| VE4003S2B2 | Discrete output (32 ch) | 24 VDC outputs, high-side switching | ~0.7 kg | High-output density |
| VE4031S2T2B6 | Digital input module (32 ch) | 120 V AC or 24 V DC inputs | ~0.5 kg | For higher-voltage inputs |
| VE4022 | Profibus DP interface card | Interface between fieldbus and DCS | ~0.43 kg | Fieldbus integration |
| VE4050E1C0 | Variable frequency drive (VFD) | Motor control, 40 kW class | ~22 kg | Power-drive application |
FAQs (10 QA) for VE4002S1T2B2
Q1: What kind of output does VE4002S1T2B2 provide?
A1: It provides high‑side discrete outputs at 24 V DC, allowing the module to switch positive voltage to loads.
Q2: How many output channels does the module support?
A2: It supports 8 discrete output channels.
Q3: What is the maximum current per output channel?
A3: Each channel can drive up to 0.5 A under normal operating conditions.
Q4: Does the module support redundancy?
A4: Yes. It supports 1:1 redundancy with automatic switchover, maintaining operation if one card fails.
Q5: What is the operating temperature range?
A5: From –40 °C to +70 °C, suitable for a wide industrial climate range.
Q6: Is the module protected from electrical faults?
A6: Yes. The module is isolated and includes protection to prevent field anomalies from harming control electronics.
Q7: How is the module physically installed?
A7: It mounts via a DIN rail interface using a compatible I/O carrier. Wiring is done via the interface carrier block.
Q8: What is the typical weight of VE4002S1T2B2?
A8: About 0.535 kg (535 grams)
Q9: If one channel fails, will it take down the whole module?
A9: No — due to its modular and redundancy features, a failure of one channel should not compromise all channels; redundant logic can isolate it.
Q10: What kinds of loads can this module drive?
A10: It is suitable for solenoids, relays, contactors, indicators, and other devices that accept 24 V DC switching.
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