Description
Product Description
Overview
The VE4054S1C0 by Emerson is a high-performance AS-Interface (AS-i) Master Module for DeltaV Distributed Control Systems. Designed to simplify the integration of discrete field devices, this module enables fast, reliable communication with up to 62 AS-i slave devices per port, reducing wiring complexity and installation effort. Its hot-swappable design ensures maintenance without downtime, making it ideal for industrial process control applications.
Key Features
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Supports AS-i Version 3.0, including standard and extended “A/B” addressing
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Two independent AS-i ports, each connecting up to 62 slave devices
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Power and communication transmitted over a single two-wire cable
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Hot-swappable for continuous operation during module replacement
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Real-time diagnostics for bus and individual device health
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Fully integrated with DeltaV Explorer for consistent I/O configuration
Technical Specifications
| Feature |
Specification |
| Module Type |
AS-i Master Module |
| Model / Part Number |
VE4054S1C0 |
| Series |
Series 2 |
| AS-i Ports |
2 Independent Ports |
| Maximum Slaves per Port |
62 (A/B addressing) |
| Bus Power |
External AS-i Power Supply, 30V DC |
| Operating Temperature |
-40°C to 70°C (-40°F to 158°F) |
| Certifications |
ATEX / nAs Zone 2, Class 1 Div 2 |
| Communication |
Deterministic discrete signal updates |
| Integration |
Native DeltaV Explorer support |
| Maintenance |
Hot-swappable, front-panel LED indicators |
Applications
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On-machine I/O integration for actuators, sensors, and valves
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Discrete process automation requiring fast interlocking and sequencing
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Retrofits and modular plant expansions with minimal wiring
FAQ
Q: How many devices can a single VE4054S1C0 module handle?
A: Each AS-i port supports up to 62 slave devices, using standard or extended addressing.
Q: Can this module be replaced while the system is running?
A: Yes, the VE4054S1C0 is hot-swappable, allowing replacement without system downtime.
Q: What makes this different from a standard DeltaV I/O card?
A: Unlike conventional I/O cards, it uses the AS-i bus to combine power and communication over a two-wire cable, reducing installation complexity and wiring costs.
