RTK DFR30IS MTL intrinsically safe display facias Instruction sheet
■The RTK DFR30IS range of intrinsically safe display facias has been designed to complement our range of MTL alarm annunciators and instrumentation products. The DFR30IS displays provide a visual indication of alarm and plant status information within a hazardous area in the clearest and brightest possible way.
■The DFR30IS range is modular in design and can be supplied in any overall size comprising different window sizes. Pushbuttons can also be integrated to provide a complete solution for plant status monitoring.
■All units are supplied pre-fitted with the certified IS LED lamp type P861. These units provide the backlit illumination of the individual windows to the defined colours.
●Installation
■DFR30IS units are supplied with two terminals per window. Each window will have two terminals marked X1 and X2.
■For use in hazardous areas the LEDs must be powered through suitable intrinsically safe isolators or barriers. Up to two lamps can be driven from a single IIC interface. The supply voltage should be connected with the X1 connected to the positive and the X2 terminals connected to the negative.
■Windows which require more than one LED such as medium and large will be connected so the LEDs for that individual window are connected in parallel.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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October 2016 |
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Rev 3 |
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INS DFR30IS |
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308 KB |
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