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Fieldbus Technology

Integrate and distribute I/O control for pneumatic valve manifolds on a fieldbus network through a single node. 

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Principles of Fieldbus Network Technology

The Emerson ASCO G3 Electronic Fieldbus platform easily integrates communication interfaces to pneumatic valve manifolds with input/output (I/O) capabilities. This allows programmable logic controllers (PLCs) to more efficiently turn valves on and off and to channel I/O data from sensors, lights, relays, individual valves, or other I/O devices via various industrial networks. 

The G3 technology also contains a graphic display that simplifies complex, time-consuming configuration and commissioning.

How It Works

Sub-Bus Network

Emerson fieldbus technology permits more flexible, cost-effective architectures. Its sub-bus technology allows modules traditionally part of a centralized valve manifold to be detached and used in a distributed architecture. Engineers can now configure the manifolds and I/O the way the machine is laid out, without adding communication nodes. On Industrial Ethernet applications, this enables a reduction in the number of Ethernet switches and communication nodes — greatly decreasing cost and complexity.

Modularity

Modular fieldbus manifold designs simply connect together via easily removable clips and screws. This allows easy assembly and effortless last-minute changes for OEMs. For the end user, modularity permits quick, trouble-free field changes. I/O modules can be removed and replaced without forcing the user to dismantle the entire pneumatic valve manifold system. 

Graphic Display

Integrated graphic displays with plain-language messaging provide users and OEMs with a wealth of point-of-use status and diagnostic information, plus setup and version tracking data at both the I/O-module and communication-node levels. Error messages are generated and cleared automatically. The display’s pushbuttons allow the user to navigate quickly through intuitive menus for easy and effective troubleshooting.

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Five Critical Factors for Selecting Fieldbus Valve Manifolds

Learn about the five essential factors in selecting fieldbus valve manifolds — commissioning, distribution, modularity, diagnostics, and recovery.

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