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- DeltaV Discrete Output Card
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Product Overview: Emerson VE4002S1T2B8
Product Parameters
| Parameter | Specification |
|---|---|
| Model | VE4002S1T2B8 |
| Type / Function | Discrete Output Module (High‑Side) |
| Number of Output Channels | 32 channels |
| Output Voltage | 24 V DC (High‑side switching) |
| Maximum Output Current | 1.0 A per channel (typical), with total field circuit power limit of ~3.0 A |
| Off‑State Leakage Current | ≤ 1.2 mA |
| Isolation | Optical isolation per channel (tested to 1,500 V DC) |
| Local Bus Power (12 V) | Nominal ~100 mA, max ~150 mA |
| Operating Temperature | –40 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity Range | 5 % to 95 % (non‑condensing) |
| Protection / Ingress Rating | IP20 |
| Shock / Vibration | 10 g, ½ sine, 11 ms shock; vibration 1 mm (5–16 Hz), 0.5 g (16–150 Hz) |
| Dimensions (HxWxD) | Typical card size ~ 107 mm × 41 mm × 105 mm (approximate) |
| Weight | ~ 0.25 kg (254 g) |
Product Introduction
The VE4002S1T2B8 is a high‑density discrete output module in Emerson’s DeltaV (Series 1 / Series 2) I/O family, offering 32 high‑side 24 V DC outputs. It provides robust switching capabilities for controlling field devices, with optical isolation for each channel to protect the system from faults or noise.
Designed to work within the modular I/O architecture, this module fits into a standard backplane or carrier and integrates with other input/output modules to form a flexible automation I/O assembly. Its high channel count reduces the number of modules needed, and its design balances performance with compactness.
With support for optical isolation and conservative current ratings per channel, it is suitable for mission‑critical control tasks in industrial environments. The module is engineered to withstand the temperature and mechanical stresses typical of industrial installations.
Product Applications
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Driving solenoids, relays, contactors, indicators, and other discrete actuators in process and automation systems
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Control of auxiliary equipment in manufacturing lines (e.g. valves, motors, indicators)
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Actuation tasks in power plants, petrochemical, chemical, water treatment, and infrastructure industries
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Integration into distributed I/O racks for centralized control of field devices
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Applications requiring high output channel density where panel space is limited
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Systems requiring robust isolation for reliability in electrically noisy environments
Product Advantages
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High Output Density — 32 channels in a single module reduces required card count and simplifies system layout
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Channel Isolation — optical isolation per channel protects the logic side from field faults
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High‑Side Switching — simplifies wiring when switching positive voltage to loads
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Modular & Scalable — fits into standard I/O racks and combines with other I/O modules
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Wide Environmental Tolerance — operates from –40 °C to +70 °C, tolerates vibration and shock
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Reliable Performance — limited leakage, robust design, protection features
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Compact Form Factor — reasonable footprint given the number of outputs
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Cost Efficiency — by consolidating outputs, it can reduce module count and wiring costs
Brand and Series Information
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Brand: Emerson
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Series / Product Family: DeltaV Discrete I/O (Series 1 / Series 2 / S‑series)
The DeltaV I/O modules, including discrete input and output modules, are used to build distributed I/O systems in automation and process control environments. They offer modular flexibility and support for large systems.
Related / Same-Series / Alternative Models
Here are five modules in the same or adjacent I/O family that are commonly used or can serve as alternatives:
| Model | Function / Type | # Channels / Voltage Type | Dimensions / Mounting | Weight | Distinguishing Feature |
|---|---|---|---|---|---|
| VE4002S2T2B8 | Discrete Output (Series 2 Plus) | 32 channels, 24 V DC high‑side | Similar card format | ~0.254 kg | Enhanced (Plus) version with possibly higher throughput or features |
| VE4002S1T2B2 | Discrete Output Module | 8 channels, 24 V DC high‑side | Card / rack mount | ~0.535 kg | Lower channel count version |
| VE4002S1T2B1 | Discrete Output Card | 32 channels, 24 V DC (some variant) | Card format | ~0.272 kg | Alternate variant output configuration |
| VE4001S1T2B2 | Discrete Input Module | 8 channels, 24 V input | Card / rack mount | ~0.55 kg | Input counterpart in same I/O set |
| VE4031S2T2B6 | Digital Input Module (higher voltage) | 32 channels, AC or DC input | Card format | ~0.5 kg | Commonly paired with output modules in the same system |
Popular / Hot Models from Emerson (Same Brand)
Here are five well-known or frequently used Emerson / DeltaV / I/O modules across different categories:
| Model | Function / Role | Key Specification / Use | Dimensions / Weight | Highlighted Feature |
|---|---|---|---|---|
| VE4050E1C0 | Variable Frequency Drive (VFD) | Drives motors in industrial systems | ~22 kg (cabinet size) | Motor drive application |
| VE4022 | Profibus DP Interface Card | Connects fieldbus to control system | ~0.43 kg (card size) | Fieldbus integration |
| VE4031S2T2B6 | Digital Input Module (32 ch) | Input module handling field signals | ~0.5 kg (card) | Companion I/O in many systems |
| VE4003S2B2 | Discrete Output Module (32 ch) | High-density output module | ~0.7 kg (card) | Dense output capacity |
| VE6020E2D0 | High-Power Drive / VFD | For larger motor control | ~30 kg | Heavy-duty drive |
FAQs (10 QA) for VE4002S1T2B8
Q1: How many discrete outputs does VE4002S1T2B8 support?
A1: It supports 32 channels of discrete (high‑side) outputs.
Q2: What voltage and current can each channel provide?
A2: Each channel is rated for 24 V DC, typically 1.0 A per channel, with a combined field circuit limit of ~3.0 A.
Q3: What kind of isolation does the module use?
A3: It provides optical isolation for each output channel, typically tested up to 1,500 V DC.
Q4: What is the operating temperature range?
A4: The module operates reliably between –40 °C and +70 °C.
Q5: What is the module’s physical footprint and weight?
A5: Rough dimensions are 107 mm × 41 mm × 105 mm (HxWxD) and the weight is approximately 0.25 kg (254 g).
Q6: What is off‑state leakage current?
A6: Off state leakage is typically limited to 1.2 mA per channel.
Q7: Can this module be used in noisy or fault-prone environments?
A7: Yes — due to per‑channel isolation and robust design, it is suitable for industrial settings with electrical noise or potential surges.
Q8: How is the module installed or mounted?
A8: It installs into a compatible backplane or I/O carrier, often via DIN rail mounting in the control cabinet.
Q9: If one channel fails, does it affect the rest?
A9: Because outputs are isolated and independent, a fault in one channel should not cascade to others.
Q10: Is VE4002S1T2B8 backward compatible with older I/O systems?
A10: In many cases, yes — it can be used within modular I/O bays and is designed to integrate with existing DeltaV I/O architectures, though physical and electrical compatibility should be verified.
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