Emerson VE4021 DeltaV Remote Interface Unit
The Emerson VE4021 is a high-performance DeltaV Remote Interface Unit designed to facilitate seamless communication between the DeltaV system and remote I/O, providing robust, secure, and flexible data acquisition and control for distributed applications.
Product Overview
The VE4021 Remote Interface Unit is part of Emerson’s DeltaV system, offering field connectivity to remote I/O in large-scale process automation environments. It supports high-speed communication and is ideal for plants with extended field operations, where centralized wiring is not feasible.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | VE4021 |
| System | DeltaV Distributed Control System |
| Function | Remote I/O Interface Unit |
| Communication Protocol | DeltaV Serial or Ethernet |
| Power Supply | 24 VDC (nominal) |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% non-condensing |
| Mounting Type | DIN Rail or Panel Mount |
| Dimensions (W x H x D) | 107 x 41 x 105 mm |
| Weight | 0.3 kg |
Product Applications
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Remote field I/O integration in large plant areas
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Oil & gas facilities requiring long-distance data acquisition
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Power generation systems with distributed sensors
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Chemical and pharmaceutical processing environments
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Industrial automation in water and wastewater treatment plants
Product Advantages
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Enables flexible, distributed installation of I/O
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Reduces wiring complexity and cost in large systems
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Ensures robust communication over long distances
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Integrates seamlessly into the DeltaV architecture
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Compact and lightweight for easy installation
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the VE4021?
A1: It serves as a remote interface unit for connecting DeltaV controllers with remote I/O modules.
Q2: What type of communication does it support?
A2: It supports DeltaV serial and Ethernet communication protocols.
Q3: Can the VE4021 be installed in hazardous areas?
A3: Installation depends on system configuration and certification; check with Emerson for hazardous location approvals.
Q4: What is the operating temperature range?
A4: The unit operates between -40°C and +70°C.
Q5: How is the VE4021 mounted?
A5: It can be mounted on a DIN rail or a panel.
Q6: Is it compatible with legacy DeltaV systems?
A6: Yes, it is backward compatible with most DeltaV systems.
Q7: What is the typical use case for this module?
A7: Used in distributed I/O architectures where field devices are spread over large areas.
Q8: Does the unit require separate power supply wiring?
A8: Yes, it requires a 24 VDC power supply.
Q9: How many I/O modules can be connected to one VE4021?
A9: That depends on the system configuration; refer to Emerson’s documentation.
Q10: Is the firmware of the VE4021 upgradeable?
A10: Yes, it supports firmware updates via the DeltaV system.
Related Emerson DeltaV Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| VE4034 | DeltaV 8-wide Power Controller | 107 x 41 x 105 | 0.4 kg |
| VE4002S1T2B4 | DeltaV Discrete I/O Terminal Block | 107 x 41 x 105 | 0.3 kg |
| VE4013P2 | DeltaV Power/Controller Interface | 107 x 41 x 105 | 0.35 kg |
| VE4003S2T2B2 | DeltaV Analog Input Terminal Block | 107 x 41 x 105 | 0.3 kg |
| VE4005S2B1 | DeltaV Redundant Controller Base | 107 x 41 x 105 | 0.5 kg |
| KJ3221X1-BA1 | DeltaV Analog Input Module | 107 x 41 x 105 | 0.28 kg |
Popular Emerson Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| KJ4001X1-NB1 | DeltaV Power Supply Module | 107 x 41 x 105 | 0.45 kg |
| KJ3001X1-BB1 | DeltaV Analog Input HART Module | 107 x 41 x 105 | 0.3 kg |
| KJ2003X1-BB1 | DeltaV Controller | 107 x 41 x 105 | 0.55 kg |
| KJ3204X1-BA1 | DeltaV Analog Output Module | 107 x 41 x 105 | 0.3 kg |
| KJ4010X1-BG1 | DeltaV System Power Supply | 107 x 41 x 105 | 0.48 kg |
| KJ4002X1-BB2 | DeltaV 8-Channel Discrete I/O Module | 107 x 41 x 105 | 0.32 kg |
Company Information
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