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Product Overview: Emerson VE4001S2T2B2
Product Parameters
| Parameter | Specification |
|---|---|
| Model | VE4001S2T2B2 |
| Type / Function | Discrete Input Module (S‑series Traditional I/O) |
| Number of Input Channels | 8 channels (dry contact / 24 V DC) |
| Input Voltage | 24 V DC (dry contact) |
| Input Signal Type | Dry contact or logic level |
| Isolation | Optical isolation per channel |
| Termination / Block | Fused or standard I/O terminal block (matching S‑series terminal block) |
| 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 | Shock: 10 g, ½ sine, 11 ms; Vibration: 1 mm (5–13.2 Hz), 0.7 g (13.2–150 Hz) |
| Dimensions (HxWxD) | Approx. 263 × 58 × 28 mm (per listing) |
| Weight | Approx. 0.43 kg (430 g) |
Product Introduction
The VE4001S2T2B2 is an 8‑channel discrete input module in Emerson’s S‑series Traditional I/O for DeltaV systems. It is designed to detect dry contacts or input logic signals (24 V DC) from field devices such as push buttons, limit switches, relays, or sensor contact closures. Each input channel is optically isolated, guarding the control system from electrical noise or fault currents in the field wiring.
The S‑series I/O subsystem is intended for field or remote installations, offering a snap‑in retention system, carrier wiring features, and modular flexibility. The VE4001S2T2B2 module can be inserted or removed while the system is live (online expansion), without disconnecting field wiring, thanks to its I/O carrier/terminal block scheme. It supports rugged industrial operation and is suited for harsh environmental conditions.
Because it adheres to the S‑series I/O architecture, it fits into the same carriers and backplane used by other S‑series modules, simplifying integration and maintenance in DeltaV control systems.
Product Applications
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Monitoring of field digital signals: limit switches, push buttons, relays
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Supervisory inputs in process control, manufacturing, utilities
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Status detection for safety, alarms, interlocks
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Remote input aggregation in distributed I/O networks
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Integration into water treatment, power plants, oil & gas, chemical plants
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Expansion of I/O capacity in control systems without replacing core controllers
Product Advantages
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Optical Isolation per Channel
Protects control electronics from surges, noise, or short circuits in field circuits. -
Modular & Snap‑In Design
Fits into S‑series I/O carriers; modules can be added or replaced without disturbing field wiring. -
Wide Environmental Tolerance
Operates over –40 °C to +70 °C, handles industrial vibration and shock. -
Online Expandability
Supports inserting or removing modules while the system is running, reducing downtime. -
Compact Footprint
The module’s size is optimized for dense I/O installations in panels or remote racks. -
Standardized I/O Architecture
Compatible with the same terminal blocks, carriers, and wiring schemes as other S‑series modules. -
Reliable Signal Detection
Supports dry contact and logic input reliably in industrial settings. -
Ease of Maintenance
Modules can be swapped without rewiring; diagnostics and indicators help isolate faults.
Brand and Series Information
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Brand: Emerson
-
Series / Product Family: DeltaV S-series Traditional I/O
The S‑series I/O subsystem is part of the DeltaV automation ecosystem, engineered for field or remote I/O deployment. It emphasizes modularity, ease of installation, robust performance, and compatibility with DeltaV’s control framework.
Related / Same-Series / Alternative Models
Here are five modules within the same S‑series or closely related I/O families that are commonly used or considered alternatives:
| Model | Function / Type | # Channels / Input Type | Dimensions / Mounting | Weight | Key Distinguishing Feature |
|---|---|---|---|---|---|
| VE4001S2T2B5 | Discrete Input Module (32 channels) | 32 × 24 V DC input | Larger card / carrier mount | ~0.68 kg | Higher channel count module |
| VE4001S2T2B4 | Discrete Input Module (32 ch variant) | 32 × 24 V DC input | Card format | ~0.2 kg (per listing) | Different variant, input density |
| VE4003S2B2 | Discrete Output Module (32 channels) | 32 × 24 V DC high-side output | Card format | ~0.7 kg (typical) | Output counterpart to many input modules |
| VE4002S1T2B2 | Discrete Output (8 channels) | 8 × 24 V DC output | Card / interface module | ~0.535 kg | Lower channel output module |
| VE4031S2T2B6 | Digital Input Module (32 channels) | 32 × AC/DC input | Card layout | ~0.5 kg (typical) | Higher‑voltage or different input class |
Popular / Hot Models from Emerson (Same Brand)
Here are five frequently used Emerson / DeltaV / I/O or interface modules in their automation ecosystem:
| Model | Function / Role | Key Specification / Use Case | Size / Weight | Notable Feature |
|---|---|---|---|---|
| VE4050E1C0 | Variable Frequency Drive (VFD) | Motor drive, vector control | ~22 kg | Core drive solution in Emerson product line |
| VE4022 | Profibus DP Interface Card | Connects fieldbus to control system | ~0.43 kg (card) | Fieldbus integration in control networks |
| VE4003S2B2 | Discrete Output Module (32 channels) | Dense output module | ~0.7 kg | For heavy output requirements |
| VE4031S2T2B6 | Digital Input Module (32 channels) | High-voltage / AC/DC input module | ~0.5 kg | Often paired for mixed I/O systems |
| VE4001S2T2B5 | Discrete Input (32 channels variant) | Expanded input capacity | ~0.68 kg | Used where more input channels are needed |
FAQ (10 Questions & Answers) for VE4001S2T2B2
Q1: What type of signals can VE4001S2T2B2 accept?
A1: It accepts dry contact or 24 V DC logic input signals, e.g. from switches or relay contacts.
Q2: How many channels does the module support?
A2: It supports 8 discrete input channels.
Q3: Does each input have isolation?
A3: Yes — each channel is optically isolated to protect the control logic side from field disturbances.
Q4: What is the operating temperature range?
A4: It operates between –40 °C and +70 °C, suitable for industrial environments.
Q5: What are its physical dimensions and weight?
A5: The module is approx. 263 × 58 × 28 mm and weighs about 0.43 kg.
Q6: Can this module be hot swapped (while system is running)?
A6: Yes — in the S‑series I/O architecture, modules can typically be added or removed while live, without disconnecting field wiring.
Q7: What environmental stresses can it handle (shock/vibration)?
A7: It withstands 10 g shock (½ sine, 11 ms) and vibration of 1 mm (5–13.2 Hz) or 0.7 g (13.2–150 Hz).
Q8: What is its ingress protection rating?
A8: It is rated IP20, suitable for indoor control panel environments.
Q9: How is field wiring connected?
A9: Field wiring is brought to a terminal block (fused or standard) that mates with the module’s I/O interface; wiring remains intact when modules are removed.
Q10: What makes this module advantageous vs generic discrete input cards?
A10: Its modular integration into the DeltaV S‑series I/O architecture, optical isolation, ability to hot‑swap, and standardized carriers simplify system design, maintenance, and upgrade.
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