Dev #4: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 22.38 kWh
e-total: 46153.40 kWh
read bad crc 372F, should be CEF3. Message *should* be rejected.
read bad crc 33DA, should be 824B. Message *should* be rejected.

today:
1969-12-31 22:00:00:      0 W
2004-06-04 02:52:16:      0 W
2004-12-09 05:34:24:      0 W
2005-06-15 08:16:32:      0 W
2005-10-08 15:21:04:      0 W
2005-12-07 04:24:00:      0 W
2006-01-13 08:25:04:      0 W
2006-02-25 18:37:20:      0 W
2006-03-19 04:53:52:      0 W
2006-04-09 06:04:16:      0 W
2006-04-19 16:22:56:      0 W
2006-05-04 06:49:04:      0 W
2006-05-27 05:30:08:      0 W
2006-06-05 21:36:32:      0 W
2006-06-13 11:39:12:      0 W
2006-06-19 22:23:28:      0 W
2006-06-27 14:42:40:      0 W
2006-07-05 22:57:36:      0 W
2006-07-15 19:37:04:      0 W
2006-07-23 00:33:36:      0 W
2006-07-27 22:53:20:      0 W
2006-08-07 02:22:24:      0 W
2006-08-19 05:38:40:      0 W
2006-08-25 14:06:24:      0 W
2006-09-02 04:09:04:      0 W
2006-09-08 04:38:56:      0 W
2006-09-10 07:50:56:      0 W
2006-09-17 01:24:48:      0 W
2006-09-20 04:30:24:      0 W
2006-09-24 01:48:16:      0 W
2006-09-27 17:24:48:      0 W
2006-09-30 17:05:36:      0 W
2006-10-02 15:44:32:      0 W
2006-10-06 03:56:16:      0 W
2006-10-07 14:04:16:      0 W
2006-10-09 05:53:36:      0 W
2006-10-10 23:59:28:      0 W
2006-10-11 20:28:16:      0 W
2006-10-13 20:15:28:      0 W
2006-10-13 02:03:12:      0 W
2006-10-14 17:52:32:      0 W
2006-10-14 13:19:28:      0 W
2006-10-15 21:10:56:      0 W
2006-10-14 14:27:44:      0 W
2006-10-14 22:25:36:      0 W
2031-03-11 02:40:16:      0 W
2032-06-08 05:20:14: 36893488147419103232 W
2033-09-06 08:00:13: -36893488147419103232 W
2034-12-05 10:40:09:      0 W
2036-03-04 13:20:06: -36893488147419103232 W
2037-06-02 16:00:06:     -0 W
1902-07-26 12:11:47:     -0 W
1903-10-24 14:51:45: -158456325028528675187087900672 W
1905-01-21 17:31:40:      0 W
1906-04-21 20:11:35: -8589934592 W
1907-07-20 22:51:31: -158456325028528675187087900672 W
1908-10-18 01:31:28:     -2 W
1910-01-16 04:11:23:     -0 W
1911-04-16 06:51:18:     -2 W
1912-07-14 09:31:12: 158456325028528675187087900672 W
1913-10-12 12:11:01: 158456325028528675187087900672 W
1915-01-10 14:50:56:      2 W
1916-04-09 17:30:45:      0 W
1917-07-08 20:10:32:     -0 W
1918-10-06 22:50:25: -36893488147419103232 W
1920-01-05 01:30:07:      2 W
1921-04-04 04:09:57:      0 W
1922-07-03 06:49:54:      2 W
1923-10-01 09:29:50:     -0 W
1924-12-29 12:09:33:     -0 W
1926-03-29 14:48:23:     -2 W
1927-06-27 17:26:22:     -2 W
1928-09-24 20:07:04:     -0 W
1929-12-23 22:48:29:     -0 W
1931-03-24 01:26:00:     -2 W
1932-06-21 04:04:49:      0 W
1933-09-19 06:43:54:     -0 W
1934-12-18 09:24:28:      0 W
2021-02-08 20:51:28:      0 W
2021-04-19 15:50:00:    163 W
2021-04-19 16:00:00:     91 W
2021-04-19 16:10:00:     34 W
2021-04-19 16:20:00:      9 W
2021-04-19 16:30:00:      8 W
2021-04-19 16:40:00:      2 W
2021-04-19 16:50:00:      0 W
2021-04-19 17:00:00:      0 W

last month:
2021-03-19:   14.350 kWh
2021-03-20:    4.070 kWh
2021-03-21:   10.060 kWh
2021-03-22:   15.330 kWh
2021-03-23:   10.540 kWh
2021-03-24:    9.090 kWh
2021-03-25:   10.160 kWh
2021-03-26:    6.570 kWh
2021-03-27:   14.130 kWh
2021-03-28:    6.110 kWh
2021-03-29:   17.360 kWh
2021-03-30:   19.020 kWh
2021-03-31:    7.780 kWh
2021-04-01:   14.320 kWh
2021-04-02:   15.640 kWh
2021-04-03:    9.890 kWh
2021-04-04:   17.900 kWh
2021-04-05:   15.490 kWh
2021-04-06:   15.970 kWh
2021-04-07:   11.170 kWh
2021-04-08:   12.340 kWh
2021-04-09:   14.540 kWh
2021-04-10:    4.810 kWh
2021-04-11:   15.230 kWh
2021-04-12:   15.550 kWh
2021-04-13:   12.770 kWh
2021-04-14:   15.410 kWh
2021-04-15:   12.240 kWh
2021-04-16:   20.630 kWh
2021-04-17:   23.850 kWh
2021-04-18:   23.400 kWh