Operator Interfaces, Switches & Relays


Process indicators

September 2009 Operator Interfaces, Switches & Relays

Endress+Hauser launches new generation of displays with control unit.

Endress+Hauser’s RIA45 and RIA46 boast display areas with large easily readable digits that can be viewed clearly from a distance. Both indicators are suitable for a wide range of process applications either in the field or the control room. Industries include chemical, pharmaceutical, food and beverage or any thermal processes.

The RIA46 has the option of either aluminium or the standard reinforced plastic housing. Both indicators adhere to all safety certification and therefore are able to operate in hazardous conditions.

Ease of configuration ensures quick commissioning as the devices offer preset parameters in certain operating environments via standard ReadWin software.

Device status can be programmed via an open collector. Both indicators are dual input dual output with galvanic isolation; the outputs can be relay or analog. This allows the units to be used in a wide variety of applications including those that require mathematic functionality and linearisation.

The backlight 5-digit 7 segment LC display indicates process values in high contrast. Measured or calculated value are shown in white and black while additional information like TAG numbers, bar-graphs and unit identification are shown in yellow. On the front of the instrument there are membrane switches which enable the user to program the unit manually. The unit allows for maximum and minimum values storage and resetting of these values can be done manually.

Supply for the indicators is either 24 VDC loop powered or mains 240 VAC. The onboard 24 VDC power supply can be used to power-up transmitter loops. The indicators are self-contained as they have a battery back-up to ensure values stored within the unit are not lost during power outages. In addition peak values and occurring events can be logged. Using universal input users can configure the instrument to 0/4-20 mA current signals, voltage, resistance, RTDs and thermocouples.

For more information contact Trevor Fletcher, Endress+Hauser, +27 (0)11 262 8000, info@za.endress.com, www.za.endress.com



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