Dev #5: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 6.08 kWh
e-total: 41511.37 kWh
read bad crc 175E, should be 5840. Message *should* be rejected.

today:
1944-09-29 00:05:52: -18803044106429154721792 W
1923-12-31 09:47:28:      0 W
1925-03-30 12:29:28:      0 W
1926-06-28 15:11:20:      0 W
1927-09-26 17:53:20:      0 W
1928-12-24 20:33:50:      0 W
1930-03-24 23:14:24:      0 W
1931-06-23 01:55:24:      0 W
1932-09-20 04:35:26:      0 W
1933-12-19 07:14:55:      0 W
1935-03-19 09:55:00:      0 W
1936-06-16 12:35:04:      0 W
1937-09-14 15:15:32:      0 W
1938-12-13 17:56:08:      0 W
1940-03-12 20:36:10:      0 W
1941-06-10 23:16:54:      0 W
1942-09-09 01:57:31:     -0 W
1943-12-08 04:38:04:      0 W
1945-03-07 07:19:12:     -0 W
1946-06-05 09:59:32:      0 W
1947-09-03 12:40:04:     -0 W
1948-12-01 15:20:51:     -2 W
1950-03-01 18:01:45:     -2 W
1951-05-30 20:41:46:      0 W
1952-08-27 23:21:46:      0 W
1953-11-26 02:02:04:     -0 W
1955-02-24 04:42:07:      2 W
1956-05-24 07:22:10: 36893488147419103232 W
1957-08-22 10:01:54: -36893488147419103232 W
1958-11-20 12:42:02:      2 W
1960-02-18 15:22:07: 36893488147419103232 W
1961-05-18 18:01:54: 36893488147419103232 W
1962-08-16 20:41:50: 36893488147419103232 W
1963-11-14 23:19:30:     -0 W
1965-02-12 02:00:49:     -0 W
1966-05-13 04:41:09:      2 W
1967-08-11 07:21:16:      2 W
1968-11-08 10:01:23:      0 W
1970-02-06 12:41:23:     -0 W
1971-05-07 15:21:10: -36893488147419103232 W
1972-08-04 18:01:07:      2 W
1973-11-02 20:40:55: -36893488147419103232 W
1975-01-31 23:21:03:      2 W
1976-05-01 01:59:30:     -2 W
1977-07-30 04:40:09:     -2 W
1978-10-28 07:19:38:      0 W
1980-01-26 11:58:57:      0 W
2020-02-12 13:10:00:    537 W
2020-02-12 13:20:00:    422 W
2020-02-12 13:30:00:    347 W
2020-02-12 13:40:00:    261 W
2020-02-12 13:50:00:    224 W
2020-02-12 14:00:00:    117 W
2020-02-12 14:10:00:    134 W
2020-02-12 14:20:00:     77 W
2020-02-12 14:30:00:     69 W
2020-02-12 14:40:00:     65 W
2020-02-12 14:50:00:     25 W
2020-02-12 15:00:00:      1 W
2020-02-12 15:10:00:      0 W
2020-02-12 15:20:00:      0 W

last month:
2020-01-12:    2.330 kWh
2020-01-13:    1.880 kWh
2020-01-14:    1.230 kWh
2020-01-15:    2.370 kWh
2020-01-16:    2.420 kWh
2020-01-17:    2.430 kWh
2020-01-18:    3.250 kWh
2020-01-19:    3.580 kWh
2020-01-20:    3.140 kWh
2020-01-21:    4.100 kWh
2020-01-22:    0.740 kWh
2020-01-23:    0.470 kWh
2020-01-24:    0.420 kWh
2020-01-25:    1.080 kWh
2020-01-26:    1.990 kWh
2020-01-27:    1.570 kWh
2020-01-28:    3.720 kWh
2020-01-29:    4.730 kWh
2020-01-30:    1.260 kWh
2020-01-31:    2.040 kWh
2020-02-01:    4.840 kWh
2020-02-02:    3.040 kWh
2020-02-03:    2.860 kWh
2020-02-04:    2.810 kWh
2020-02-05:    4.790 kWh
2020-02-06:    6.130 kWh
2020-02-07:    4.650 kWh
2020-02-08:    5.460 kWh
2020-02-09:    1.060 kWh
2020-02-10:    3.800 kWh
2020-02-11:    6.270 kWh