MCS301 - 3ph meter Page 57 of 142
MCS301 meter - product Manual 1.25 MetCom Solutions GmbH
Remark: due to the exhaust of the power reserve the internal clock stops
running and looses its time. At the time of the power up the clock restarts. At
the next capture time (12.08, 21:30) the CIV bit is set to 1.
In the example of Table 20 the clock is set to 30.8.2016, 08:45 just after
power-up (12.08.2016, 21:15). Therefore the entry at 12.08.2008, 22:00 is
closed and marked with PDN set to 1 due to the fact power down was
detected in this period (at 21:15), CIV and DNV set to 1 since the clock is -
due to exhaust of power reserve - not running correctly. In addition the CAD is
set to 1 since shortly after the power up the time was adjusted. At the next
capture time (30.08., 09:00) the incomplete registration period is marked with
PDN=0, CAD=1, DNV=0, CIV=0.
Date/time
Register value
2016-08-12, 21:15:00 0 0 0 0 110,2kW
2016-08-12, 21:30:00 1 1 1 1 123,4kW
2016-08-30, 12:45:00 0 1 0 0 146,2kW
2016-08-30, 13:00:00 0 0 0 0 172,1kW
2016-08-30, 13:15:00 0 0 0 0 176,3kW
Tabelle 20: Exhaust of power reserve – immediate clock adjustment
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