Dev #4: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 2.75 kWh
e-total: 48687.94 kWh
read bad crc 5CB4, should be C676. Message *should* be rejected.

today:
1969-12-31 22:00:00:      0 W
1983-05-05 19:58:24:      0 W
1984-08-02 22:39:12:      0 W
1985-11-01 01:21:04:      0 W
1987-01-30 04:03:36:      0 W
1988-04-29 06:44:32:      0 W
1989-07-28 09:26:32:      0 W
1990-10-26 12:06:48:      0 W
1992-01-24 14:47:49:      0 W
1993-04-23 17:28:02:      0 W
1994-07-22 20:08:26:      0 W
1995-10-20 22:47:38:      0 W
1997-01-18 01:29:15:      0 W
1998-04-18 04:10:58:     -0 W
1999-07-17 06:51:16:      0 W
2000-10-14 09:31:20:      0 W
2002-01-12 12:11:18:     -2 W
2003-04-12 14:51:33:     -0 W
2004-07-10 17:31:25:      2 W
2005-10-08 20:10:12:     -0 W
2007-01-06 22:50:37:      0 W
2008-04-06 01:31:12:      0 W
2009-07-05 04:11:41:     -2 W
2010-10-03 06:52:16:     -2 W
2012-01-01 09:31:00:      0 W
2013-03-31 12:10:56:      0 W
2014-06-29 14:50:22:     -0 W
2015-09-27 17:30:03:      0 W
2016-12-25 20:11:02:     -0 W
2018-03-25 22:51:40:      0 W
2019-06-24 01:30:54:      0 W
2020-09-21 04:11:44:     -0 W
2021-12-20 06:51:36:     -2 W
2023-03-20 09:30:34:     -2 W
2024-06-17 12:08:54:     -0 W
2025-09-15 14:46:12:      0 W
2026-12-14 17:26:58:      0 W
2028-03-13 20:10:05:      0 W
2029-06-11 22:51:19:     -0 W
2030-09-10 01:30:08:     -2 W
2031-12-09 04:09:50:     -0 W
2033-03-08 06:45:58:      0 W
2034-06-06 09:25:38:      0 W
2035-09-04 12:05:28:      0 W
2019-08-23 15:26:56:      0 W
2021-10-18 12:10:00:     86 W
2021-10-18 12:20:00:     92 W
2021-10-18 12:30:00:    198 W
2021-10-18 12:40:00:    211 W
2021-10-18 12:50:00:    128 W
2021-10-18 13:00:00:    130 W
2021-10-18 13:10:00:    115 W
2021-10-18 13:20:00:    122 W
2021-10-18 13:30:00:    187 W
2021-10-18 13:40:00:    106 W
2021-10-18 13:50:00:     18 W
2021-10-18 14:00:00:      2 W
2021-10-18 14:10:00:      7 W
2021-10-18 14:20:00:     10 W
2021-10-18 14:30:00:      5 W
2021-10-18 14:40:00:      0 W
2021-10-18 14:50:00:      0 W
2021-10-18 15:00:00:      0 W

last month:
2021-09-17:   11.440 kWh
2021-09-18:   11.870 kWh
2021-09-19:    5.330 kWh
2021-09-20:    8.940 kWh
2021-09-21:   12.970 kWh
2021-09-22:   13.500 kWh
2021-09-23:    9.710 kWh
2021-09-24:   13.120 kWh
2021-09-25:    2.430 kWh
2021-09-26:    9.950 kWh
2021-09-27:   10.550 kWh
2021-09-28:    7.870 kWh
2021-09-29:   11.560 kWh
2021-09-30:    3.860 kWh
2021-10-01:    7.180 kWh
2021-10-02:    1.630 kWh
2021-10-03:    9.610 kWh
2021-10-04:    9.020 kWh
2021-10-05:    6.030 kWh
2021-10-06:   11.570 kWh
2021-10-07:    2.620 kWh
2021-10-08:    3.230 kWh
2021-10-09:    8.980 kWh
2021-10-10:    5.460 kWh
2021-10-11:    8.440 kWh
2021-10-12:    6.120 kWh
2021-10-13:    7.650 kWh
2021-10-14:    9.230 kWh
2021-10-15:    3.700 kWh
2021-10-16:    4.020 kWh
2021-10-17:    4.510 kWh