Description of Unit
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D000029326 en g – E450 PLC 1-phase ZCX100Px – User Manual
© Gyr
1.5
Measuring Principle
1.5.1
Overview
Fig. 1.2 Block diagram
The main meter inputs are:
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Phase connection and neutral for
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energy measurement
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power supply to the meter
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PLC communication with communication module
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Display key
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Reset key
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Disconnector push button
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S0 pulse input
•
Wired M-Bus interface supporting 1 multi-energy devices
The main meter outputs (some of which are also inputs) are:
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LCD to display measured values and the corresponding OBIS code
•
Optical test output (red, for active and reactive energy)
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Mechanical on-off latching relay 5 A, 230 VAC or digital solid state
relay 90 mA, 230 VAC (inverse function supported)
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Mechanical, normal open relay 8 A, 230 VAC (inverse function supported)
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Optical interface for automatic data readout on site by means of a suit-
able HHT (Hand Held Terminal) (also input)
•
PLAN+ PLC communication interface for connection to a metering
system via the low voltage network (also input)
Inputs
Outputs