Dev #5: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 7.32 kWh
e-total: 26065.99 kWh
read bad crc 46C1, should be AD4D. Message *should* be rejected.

today:
1969-12-31 22:00:00:      0 W
2015-08-04 02:36:48:      0 W
2016-11-01 05:20:00:      0 W
2018-01-30 08:02:02:      0 W
2019-04-30 10:44:04:      0 W
2020-07-28 13:24:33:      0 W
2021-10-26 16:05:04:      0 W
2023-01-24 18:45:43:      0 W
2024-04-23 21:25:30:      0 W
2025-07-23 00:05:56:      0 W
2026-10-21 02:46:34:     -0 W
2028-01-19 05:27:50:     -0 W
2029-04-18 08:07:40:     -0 W
2030-07-17 10:48:06:     -0 W
2031-10-15 13:28:20:     -2 W
2033-01-12 16:08:29:     -2 W
2034-04-12 18:48:30:     -2 W
2035-07-11 21:28:36:     -0 W
2036-10-09 00:08:29:      0 W
2038-01-07 02:48:26:      0 W
1903-03-01 23:00:12:      0 W
1904-05-30 01:40:12:     -0 W
1905-08-28 04:20:18:      2 W
1906-11-26 07:00:02:      0 W
1908-02-24 09:39:59:     -0 W
1909-05-24 12:20:10:      2 W
1910-08-22 14:59:53:     -0 W
1911-11-20 17:41:41:      0 W
1913-02-17 20:23:12:      2 W
1914-05-18 23:03:13:      2 W
1915-08-17 01:44:09:      2 W
1916-11-14 04:21:35:     -0 W
1918-02-12 07:01:05:      2 W
1919-05-13 09:39:46:      0 W
1920-08-10 12:20:02:      2 W
1921-11-08 15:00:55:     -0 W
1923-02-06 17:41:36:      0 W
1924-05-06 20:20:59:     -0 W
1925-08-04 23:00:39:     -0 W
1926-11-03 01:41:27:      0 W
1928-02-01 04:23:22:      0 W
1929-05-01 07:02:21:      0 W
1930-07-30 09:42:10:      0 W
1931-10-28 12:22:44:     -0 W
1933-01-25 15:02:34: 36893488147419103232 W
1934-04-25 17:42:21:      2 W
1935-07-24 20:22:03:     -2 W
1936-10-21 23:02:08:     -2 W
1938-01-20 01:41:57:      0 W
1939-04-20 04:21:53:      2 W
1940-07-18 07:01:44:     -0 W
1941-10-16 09:41:34:      0 W
1943-01-14 12:21:20:      2 W
1944-04-13 15:00:50:      2 W
1945-07-12 17:40:11:      0 W
1946-10-10 20:19:22:     -0 W
1948-01-08 23:00:35:     -0 W
2015-10-12 14:00:00: 46405090560425590784 W
2015-10-12 14:10:00:    491 W
2015-10-12 14:20:00:    308 W
2015-10-12 14:30:00:    194 W
2015-10-12 14:40:00:    114 W
2015-10-12 14:50:00:     26 W
2015-10-12 15:00:00:      2 W
2015-10-12 15:10:00:      0 W
2015-10-12 15:20:00:      0 W

last month:
2015-09-11:   15.970 kWh
2015-09-12:   13.240 kWh
2015-09-13:   10.150 kWh
2015-09-14:   10.160 kWh
2015-09-15:    9.050 kWh
2015-09-16:    3.300 kWh
2015-09-17:   13.100 kWh
2015-09-18:    8.370 kWh
2015-09-19:   13.790 kWh
2015-09-20:   12.280 kWh
2015-09-21:    3.600 kWh
2015-09-22:    6.850 kWh
2015-09-23:   10.510 kWh
2015-09-24:   10.670 kWh
2015-09-25:    7.630 kWh
2015-09-26:   10.290 kWh
2015-09-27:   12.210 kWh
2015-09-28:   12.290 kWh
2015-09-29:   12.300 kWh
2015-09-30:   12.650 kWh
2015-10-01:   11.900 kWh
2015-10-02:   11.390 kWh
2015-10-03:    9.080 kWh
2015-10-04:    8.990 kWh
2015-10-05:    2.110 kWh
2015-10-06:    7.010 kWh
2015-10-07:    2.240 kWh
2015-10-08:    7.700 kWh
2015-10-09:    8.520 kWh
2015-10-10:    5.870 kWh
2015-10-11:    9.050 kWh