Dev #5: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 25.75 kWh
e-total: 40124.18 kWh
read bad crc 11C6, should be 1E5D. Message *should* be rejected.

today:
1971-04-01 07:17:43:      0 W
1971-04-01 07:17:43: -15960299798528 W
1971-04-01 07:17:43: -422776447959040 W
1971-04-01 07:17:43: -10714324200849408 W
1971-04-01 07:17:43: -270509031850770432 W
1971-04-01 07:17:43: -7215185516977717248 W
1971-04-01 07:17:43: -184770131890175737856 W
1971-04-01 07:17:43: -4579644314453530378240 W
1971-04-01 07:17:43: -122937587288898417983488 W
1971-04-01 07:17:43: -3178425597137486899838976 W
1971-04-01 07:17:43: -77531905149474203666219008 W
1971-04-01 07:17:43: -2091598686618863887945039872 W
1971-04-01 07:17:43: -54551880360478396276025589760 W
1971-04-01 07:17:43: -1349522985741445836752623239168 W
1971-04-01 07:17:43: -35536550970741688326347550621696 W
1971-04-01 07:17:43: -934347701422286071619130180501504 W
1971-04-01 07:17:43: -23408777655265326892993993548759040 W
1971-04-01 07:17:43: -603002375769565302850959264249282560 W
1971-04-01 07:17:43: -15973016176368601834806390778901823488 W
1971-04-01 07:17:44:   -nan W
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1971-04-01 07:17:44:      0 W
1971-04-01 07:17:44:     12 W
1971-04-01 07:17:44:    289 W
1971-04-01 07:17:44:   7433 W
1971-04-01 07:17:44: 196884 W
1971-04-01 07:17:44: 4989598 W
1971-04-01 07:17:44: 125970928 W
1971-04-01 07:17:44: 3359978496 W
1971-04-01 07:17:44: 86044434432 W
1971-04-01 07:17:44: 2132624801792 W
1971-04-01 07:17:44: 57248885768192 W
1971-04-01 07:17:44: 1480120086822912 W
1971-04-01 07:17:44: 36104817940103168 W
1971-04-01 07:17:44: 973993716811300864 W
1971-04-01 07:17:44: 25403198011997159424 W
1971-04-01 07:17:44: 628434473434348519424 W
1971-04-01 07:17:44: 16548199859395804266496 W
1971-04-01 07:17:44: 435094849670490718470144 W
1971-04-01 07:17:44: 10900714875811607020044288 W
1971-04-01 07:17:44: 280796836352096784856645632 W
1971-04-01 07:17:44: 7438071943272940695671799808 W
1971-04-01 07:17:44: 188500492829193645001143222272 W
1971-04-01 07:17:44: 4759025344960729421475202727936 W
1971-04-01 07:17:44: 126935615277454172033637867847680 W
1971-04-01 07:17:44: 3250646709067574722914277692276736 W
1971-04-01 07:17:44: 80567925597661018966814077325672448 W
1971-04-01 07:17:44: 2162787335141165940196807774677499904 W
1971-04-01 07:17:44: 55916828566427335837660476411058585600 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W
1971-04-01 07:17:44:     -0 W

last month:
2019-06-23:   13.350 kWh
2019-06-24:   10.490 kWh
2019-06-25:   11.940 kWh
2019-06-26:   17.200 kWh
2019-06-27:   29.420 kWh
2019-06-28:   29.310 kWh
2019-06-29:   28.320 kWh
2019-06-30:   23.080 kWh
2019-07-01:   25.870 kWh
2019-07-02:   21.950 kWh
2019-07-03:   24.330 kWh
2019-07-04:   29.160 kWh
2019-07-05:   24.150 kWh
2019-07-06:   20.350 kWh
2019-07-07:   16.310 kWh
2019-07-08:   19.190 kWh
2019-07-09:   15.430 kWh
2019-07-10:   16.780 kWh
2019-07-11:   23.350 kWh
2019-07-12:   20.050 kWh
2019-07-13:   18.870 kWh
2019-07-14:   15.130 kWh
2019-07-15:   19.300 kWh
2019-07-16:   25.540 kWh
2019-07-17:   20.550 kWh
2019-07-18:   14.530 kWh
2019-07-19:    7.080 kWh
2019-07-20:   19.780 kWh
2019-07-21:   19.070 kWh
2019-07-22:   18.640 kWh
2019-07-23:   26.460 kWh