New hazardous area HMIs offer unrivalled connectivity and a choice of programming platforms
08 September 2011
A rugged industrial HMI with touch-screen display is now available, which is certified for use in Class I, Division 2 hazardous gas or dust environments, in operating temperatures from as low as -30 deg C up to +70 deg C. The HMI also comes with a choice of programming platforms and offers a variety of interfacing options.
The QTERM-A7 and QTERM-A12 HMIs from Beijer Electronics, available in the UK from M.A.C Solutions, are high specification, industrial-grade HMI terminals, which are suitable for use in a wide range of industrial and commercial applications, including food processing, bakeries, chemicals, petrochemicals, mining and quarrying, metalworking, and pharmaceuticals.
Dennis Price, Product Manager at M.A.C Solutions comments: “Whilst there are HMIs already on the market that are certified for use in hazardous areas, the QTERM HMI is unique in that it offers improved interfacing and open connectivity. The HMI comes with Beijer’s own intuitive ‘iX Developer’ configuration software, which facilitates set up and interfacing for the user.”
“In addition to hazardous areas, the low operating temperature [-30 deg C] of the HMI means that it can also be installed in cold environments such as freezers, chillers and refrigeration rooms,” adds Price.
The QTERM-A7 features a 7-inch vivid 800 x 480 WVGA, LED backlit colour graphics TFT-LCD display. User input is via the unit’s resistive, touch-screen display. The unit is also supplied with an integrated 10/100Base-T Ethernet interface, two USB 2.0 full speed host ports and two serial ports. The QTERM-A7 is sealed to IP66 and when mounted correctly, the unit also meets NEMA-4X specifications for wash downs, icing and salt spray.
The QTERM-A12 HMI offers all the functionality and features of the QTERM-A7, but has a larger, 12.1-inch, 800 x 600 SVGA display.
The user also has a choice of configuration software, including Beijer’s iX software for automation control, Qlarity 3 object-based programming, or Windows Embedded CE 6.0 development. iX Developer, which is common to ALL Beijer HMIs, includes vector-based graphics, solid HMI functionality, open architecture and OPC connectivity.
Other features provided on the QTERM HMIs include built-in protection from power transients and spikes, reverse voltage and overvoltage; 4GB of flash memory storage; real time clock; programmable speaker; .wav audio decoder; and a customisable front bezel logo.
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