Dev #9: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 19.31 kWh
e-total: 38120.41 kWh
read bad crc DF00, should be 418E. Message *should* be rejected.

today:
1970-01-01 02:33:04:      0 W
1917-06-14 13:22:40:      0 W
1918-09-12 16:05:12:      0 W
1919-12-11 18:47:12:      0 W
1921-03-10 21:28:46:      0 W
1922-06-09 00:11:09:      0 W
1923-09-07 02:52:35:      0 W
1924-12-05 05:32:52:      0 W
1926-03-05 08:14:40:     -0 W
1927-06-03 10:55:10:     -2 W
1928-08-31 13:35:37:     -0 W
1929-11-29 16:16:07:     -0 W
1931-02-27 18:56:32:     -2 W
1932-05-27 21:36:40:     -0 W
1933-08-26 00:16:51:     -0 W
1934-11-24 02:57:01: 36893488147419103232 W
1936-02-22 05:37:11:     -2 W
1937-05-22 08:17:20:      0 W
1938-08-20 10:57:30:      0 W
1939-11-18 13:37:41:     -0 W
1941-02-15 16:17:51: 36893488147419103232 W
1942-05-16 18:58:03:     -2 W
1943-08-14 21:38:13: -36893488147419103232 W
1944-11-12 00:18:24:     -0 W
1946-02-10 02:58:33:      0 W
1947-05-11 05:38:42:     -0 W
1948-08-08 08:18:47:     -0 W
1949-11-06 10:58:52: 36893488147419103232 W
1951-02-04 13:38:56:     -0 W
1952-05-04 16:18:59:     -0 W
1953-08-02 18:59:03:      0 W
1954-10-31 21:39:06: 36893488147419103232 W
1956-01-30 00:19:08:      0 W
1957-04-29 02:59:11: -36893488147419103232 W
1958-07-28 05:39:13:     -0 W
1959-10-26 08:19:14: -8589934592 W
1961-01-23 10:59:15:     -0 W
1962-04-23 13:39:15: 158456325028528675187087900672 W
1963-07-22 16:19:14: -36893488147419103232 W
1964-10-19 18:59:13:      2 W
1966-01-17 21:39:14:      2 W
1967-04-18 00:19:13:      0 W
1968-07-16 02:59:12:     -0 W
1969-10-14 05:39:10: 8589934592 W
1971-01-12 08:19:09: -158456325028528675187087900672 W
1972-04-11 10:59:07:      0 W
1973-07-10 13:39:04: 8589934592 W
1974-10-08 16:19:00:      0 W
1976-01-06 18:58:57:      0 W
1977-04-05 21:38:51:      0 W
1978-07-05 00:18:49: 8589934592 W
1979-10-03 02:58:45: 8589934592 W
1980-12-31 05:38:40:      0 W
1982-03-31 08:18:31:     -0 W
1983-06-29 10:58:20:     -0 W
1984-09-26 13:38:10:     -0 W
1985-12-25 16:17:59: -36893488147419103232 W
1987-03-25 18:57:49:     -0 W
1988-06-22 21:37:33:      0 W
1989-09-21 00:17:22:     -2 W
1990-12-20 02:57:17:      2 W
1992-03-19 05:37:01:      0 W
1993-06-17 08:17:17:      0 W
1994-09-15 10:57:04:     -0 W
1995-12-14 13:36:48:      0 W
1997-03-13 16:16:31:      2 W
1998-06-11 18:56:02:      2 W
1999-09-09 21:36:01:      0 W
2000-12-08 00:15:32:     -2 W
2002-03-08 02:55:15:      2 W
2019-04-01 14:40:00: 46477148154463518720 W
2019-04-01 14:50:00:    312 W
2019-04-01 15:00:00:    511 W
2019-04-01 15:10:00:    393 W
2019-04-01 15:20:00:    207 W
2019-04-01 15:30:00:    101 W
2019-04-01 15:40:00:     23 W
2019-04-01 15:50:00:      1 W
2019-04-01 16:00:00:      0 W

last month:
2019-03-01:    3.040 kWh
2019-03-02:    5.740 kWh
2019-03-03:    1.800 kWh
2019-03-04:    8.180 kWh
2019-03-05:    9.770 kWh
2019-03-06:    2.920 kWh
2019-03-07:    9.490 kWh
2019-03-08:    7.170 kWh
2019-03-09:    8.050 kWh
2019-03-10:   10.580 kWh
2019-03-11:   14.040 kWh
2019-03-12:    2.380 kWh
2019-03-13:    7.080 kWh
2019-03-14:    9.140 kWh
2019-03-15:    4.930 kWh
2019-03-16:    3.320 kWh
2019-03-17:   12.700 kWh
2019-03-18:    9.930 kWh
2019-03-19:    7.030 kWh
2019-03-20:    3.830 kWh
2019-03-21:    6.030 kWh
2019-03-22:    2.350 kWh
2019-03-23:    9.500 kWh
2019-03-24:   17.760 kWh
2019-03-25:   18.720 kWh
2019-03-26:   15.450 kWh
2019-03-27:    8.330 kWh
2019-03-28:   13.760 kWh
2019-03-29:   18.290 kWh
2019-03-30:   13.780 kWh
2019-03-31:   10.330 kWh