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Communication with the EasyM electricity meter occurs serially via two infrared data interfaces (DSS). The baud rate is 9600 Baud (8N1).
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All telegrams are encoded using the SML transport protocol (V1.04).
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The electricity meter is a 3-Phase AC meter that can handle two tarifs as well as counters from the grid and what was delivered to the grid.
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When the PIN is entered more information is available on via the INFO-DSS like Voltage and Power per Phase.
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There are two communication interfaces:
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* INFO-DSS: Unidirectional infrared interface. Permanently outputs (every second) billing-relevant measured values and other information. (used for the script)
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* MSB-DSS: Bidirectional infrared interface. Permanently outputs (every second) billing-relevant measured values and other information. Additionally, the MSB interface is used for setting meter parameters and controlling tariffs. (Not tested/ used for the script)
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For the counter value precision 1 is used for the rest i only took the numbers without any decimal points
This script is for the EasyMeter Q1DB1004 variant of the Q1D series. This variant is a one-phase one-way electricity counter with a backstop mechanism.
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