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Remote monitoring, diagnosis and configuration

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article image Fieldgate FXA 520 gateway.

DEVELOPED specifically to work with existing web browser technology, the new Fieldgate FXA 520 gateway from Endress+Hauser is designed for remote process measurement monitoring, as well as configuration and trouble-shooting of HART-compatible instrumentation.

Suitable for continuous monitoring of up to 30 measuring points, using either a multiplexer or HART multidrop fieldbus, the new gateway offers easy integration with existing standard internet protocols and technology to make all measured values available to authorised recipients anywhere in the world at the cost of internet access.

It utilises the standard TCP/IP transport protocols and offers a choice of Ethernet, GSM mobile, GPRS, or ISDN/analogue telephone line as the physical mode of transmission.

An intrinsically safe version EEx ia IIC is available and is the first gateway using the HART protocol that can publish measured values from hazardous areas on the internet for easy and cost-effective access anywhere in the world.

The Fieldgate FXA 520 only requires existing browser software (Internet Explorer, Netscape) for installing and commissioning its remote monitoring functions.

In operating mode, it displays the HART universal commands on an HTML page which, in turn, is displayed on any internet-capable PC or laptop. Each polling of the data is served in XML format as a unique record for further integration into Scada or Microsoft databases.

The HART functionality produces all the important information available in the device, including process variables, instrument status, tags and serial number, and also enables remote troubleshooting at the deepest possible level.

The remote diagnostic and configuration functions mean that measurement device diagnosis and configuring/re-configuring functions can be performed from a central location, removing the need and costs for personnel to visit the site.

According to the manufacturer, as well as savings on software, the new gateway also offers user benefits relating to the improved efficient use of operating and maintenance personnel and the opportunities for predictive maintenance.

Used together with a suitable measuring device - typically level in tanks and vessels or flow in pipes - the unit's remote monitoring function makes it ideal for inventory optimisation (in sites such as tank and/or silo farms), environmental protection (flood warnings and water quality analysis), and temperature/over-temp alarms.

Event-driven messages (eg alarming emergency standby) can be sent via email or SMS. This will be the forerunner of e-Business in the supply chain of raw material suppliers - at a predetermined level of available stock, an electronic order can be placed on the vendor.

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