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Abbreviations
D0 Optical interface as per EN 62056-21
DIN Deutsches Institut für Normung e.V.
(German Standardisation Institute)
EN European Norm
IEC International Electrotechnical Commission
IP Ingress Protection
LC Liquid Crystal
LED Light Emitting Diode
OBIS Object Identication System
P Active power
+P Positive active power (power drawn by customer)
-P Negative active power (power supplied by customer)
Q Reactive power
+Q Positive reactive power
-Q Negative reactive power
SH Selective main line protection
TAB Technical Connection Rules for Power Installations
UC Utilisation Category
OVC Overvoltage Category