Dev #5: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 14.61 kWh
e-total: 39020.25 kWh
read bad crc 7D25, should be DADA. Message *should* be rejected.

today:
1969-12-31 22:00:00:      0 W
1974-05-16 00:43:12:      0 W
1975-08-14 03:27:12:      0 W
1976-11-11 06:08:48:      0 W
1978-02-09 08:49:52:      0 W
1979-05-10 11:31:48:      0 W
1980-08-07 14:13:56:      0 W
1981-11-05 16:55:46:      0 W
1983-02-03 19:36:10:      0 W
1984-05-03 22:17:13:      0 W
1985-08-02 00:57:51:      0 W
1986-10-31 03:38:27:     -0 W
1988-01-29 06:19:26:     -0 W
1989-04-28 08:59:39:     -2 W
1990-07-27 11:39:37:      2 W
1991-10-25 14:19:25:      2 W
1993-01-22 17:00:34:      2 W
1994-04-22 19:41:09:     -2 W
1995-07-21 22:21:27:      2 W
1996-10-19 01:00:27:     -0 W
1998-01-17 03:42:03:      2 W
1999-04-17 06:20:44: 36893488147419103232 W
2000-07-15 09:02:34:      2 W
2001-10-13 11:43:36:     -2 W
2003-01-11 14:22:40: -158456325028528675187087900672 W
2004-04-10 17:02:58:      0 W
2005-07-09 19:43:01:     -0 W
2006-10-07 22:23:02:     -0 W
2008-01-06 01:03:56:     -0 W
2009-04-05 03:43:36: -36893488147419103232 W
2010-07-04 06:21:37:      2 W
2011-10-02 09:01:22:     -2 W
2012-12-30 11:43:39:     -0 W
2014-03-30 14:24:17:      0 W
2015-06-28 17:03:34:      2 W
2016-09-25 19:43:24: 8589934592 W
2017-12-24 22:22:19: -36893488147419103232 W
2019-03-25 01:03:52: 36893488147419103232 W
2020-06-22 03:43:29: -158456325028528675187087900672 W
2021-09-20 06:24:27: -158456325028528675187087900672 W
2022-12-19 09:04:27:     -0 W
2024-03-18 11:44:28:     -0 W
2025-06-16 14:23:47:     -2 W
2026-09-14 17:03:51:     -0 W
2027-12-13 19:43:31:      0 W
2029-03-12 22:23:33: -36893488147419103232 W
2030-06-11 01:03:12: 8589934592 W
2031-09-09 03:42:51:      0 W
2032-12-07 06:22:54: -36893488147419103232 W
2034-03-07 09:02:32:     -0 W
2035-06-05 11:42:50:     -0 W
2036-09-02 14:23:16:     -0 W
2037-12-01 17:01:37: -36893488147419103232 W
1903-01-24 13:11:13:      0 W
1904-04-23 15:52:07:     -0 W
1905-07-22 18:34:29:     -0 W
1906-10-20 21:11:34:      0 W
1908-01-18 23:52:00:     -0 W
1909-04-18 02:31:20:      2 W
1910-07-17 05:09:19:      0 W
1911-10-15 07:50:20:     -0 W
1913-01-12 10:29:14:     -0 W
1914-04-12 13:09:50:      0 W
1915-07-11 15:49:12:     -0 W
1916-10-08 18:28:54:     -0 W
1918-01-06 21:07:33:     -0 W
1919-04-06 23:49:01:      0 W
1920-07-05 02:28:49:      0 W
1921-10-03 05:07:03:     -0 W
1923-01-01 07:48:09:      0 W
1924-03-31 10:28:49:      0 W
1925-06-29 13:11:05:     -0 W
1926-09-27 15:50:17:     -0 W
1927-12-26 18:29:06:     -0 W
1929-03-25 21:08:45:     -0 W
1930-06-23 23:48:06:      0 W
1931-09-22 02:29:22:      0 W
1932-12-20 05:10:53:      0 W
1934-03-20 07:50:17:     -0 W
1935-06-18 10:28:55:     -0 W
1936-09-15 13:06:58:     -0 W
1937-12-14 15:46:54:      0 W
1939-03-14 18:25:36:      0 W
1940-06-11 21:06:42:      0 W
1941-09-09 23:44:32:      0 W
1942-12-09 02:26:22:      0 W
1944-03-08 05:10:47:      0 W
1945-06-06 07:51:10:      0 W
1946-09-04 10:28:14:     -0 W
2019-05-26 16:10:00: 46405090560425590784 W
2019-05-26 16:20:00:    240 W
2019-05-26 16:30:00:    260 W
2019-05-26 16:40:00:    140 W
2019-05-26 16:50:00:     76 W
2019-05-26 17:00:00:     49 W
2019-05-26 17:10:00:     17 W
2019-05-26 17:20:00:      0 W
2019-05-26 17:30:00:      0 W

last month:
2019-04-25:   17.380 kWh
2019-04-26:   15.710 kWh
2019-04-27:    9.150 kWh
2019-04-28:   13.000 kWh
2019-04-29:   14.600 kWh
2019-04-30:   22.880 kWh
2019-05-01:   16.850 kWh
2019-05-02:   14.070 kWh
2019-05-03:   11.500 kWh
2019-05-04:   22.710 kWh
2019-05-05:   16.440 kWh
2019-05-06:   13.570 kWh
2019-05-07:   19.190 kWh
2019-05-08:    9.770 kWh
2019-05-09:   12.350 kWh
2019-05-10:   17.150 kWh
2019-05-11:   16.400 kWh
2019-05-12:   23.790 kWh
2019-05-13:   28.950 kWh
2019-05-14:   29.020 kWh
2019-05-15:   27.070 kWh
2019-05-16:   28.540 kWh
2019-05-17:    4.760 kWh
2019-05-18:   13.970 kWh
2019-05-19:    6.770 kWh
2019-05-20:   15.480 kWh
2019-05-21:   25.540 kWh
2019-05-22:   21.690 kWh
2019-05-23:   26.090 kWh
2019-05-24:   19.660 kWh
2019-05-25:   19.910 kWh