Dev #4: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 1.95 kWh
e-total: 63704.50 kWh
read bad crc 29DC, should be 8F3A. Message *should* be rejected.

today:
1970-01-01 02:33:04:      0 W
1909-09-22 20:50:08:      0 W
1910-12-21 23:32:00:      0 W
1912-03-21 02:13:04:      0 W
1913-06-19 04:54:24:      0 W
1914-09-17 07:36:40:      0 W
1915-12-16 10:17:38:      0 W
1917-03-15 12:57:54:      0 W
1918-06-13 15:37:34:      0 W
1919-09-11 18:16:14:      0 W
1920-12-09 20:56:26:      0 W
1922-03-09 23:37:54:      0 W
1923-06-08 02:18:43:      0 W
1924-09-05 04:59:53:      0 W
1925-12-04 07:39:17:      0 W
1927-03-04 10:19:56:      0 W
1928-06-01 13:00:54:      0 W
1929-08-30 15:41:49:     -0 W
1930-11-28 18:22:07:     -0 W
1932-02-26 21:02:13:      0 W
1933-05-26 23:42:26:      0 W
1934-08-25 02:22:25:     -2 W
1935-11-23 05:02:42:     -0 W
1937-02-20 07:43:38:      2 W
1938-05-21 10:23:17:     -0 W
1939-08-19 13:03:14:      2 W
1940-11-16 15:42:48:      0 W
1942-02-14 18:20:49:     -2 W
1943-05-15 21:00:46:     -0 W
1944-08-12 23:42:42:     -0 W
1945-11-11 02:21:06:     -0 W
1947-02-09 05:01:29:      0 W
1948-05-09 07:40:32:     -0 W
1949-08-07 10:19:17:      0 W
1950-11-05 12:58:40:      0 W
1952-02-03 15:38:14:      0 W
1953-05-03 18:18:55:      0 W
1954-08-01 20:56:56:      0 W
1955-10-30 23:35:12:      0 W
2021-02-08 23:38:56:      0 W
2006-09-22 11:50:00:     52 W
2006-09-22 12:00:00:     83 W
2006-09-22 12:10:00:    100 W
2006-09-22 12:20:00:     93 W
2006-09-22 12:30:00:     76 W
2006-09-22 12:40:00:     72 W
2006-09-22 12:50:00:     44 W
2006-09-22 13:00:00:      9 W
2006-09-22 13:10:00:      5 W
2006-09-22 13:20:00:      2 W
2006-09-22 13:30:00:      0 W
2006-09-22 13:40:00:      0 W
2006-09-22 13:50:00:      0 W

last month:
2006-08-22:    4.960 kWh
2006-08-23:    3.620 kWh
2006-08-24:    3.610 kWh
2006-08-25:    5.430 kWh
2006-08-26:    1.250 kWh
2006-08-27:    3.840 kWh
2006-08-28:    2.090 kWh
2006-08-29:    4.510 kWh
2006-08-30:    4.810 kWh
2006-08-31:    2.740 kWh
2006-09-01:    3.340 kWh
2006-09-02:    3.360 kWh
2006-09-03:    2.740 kWh
2006-09-04:    1.710 kWh
2006-09-05:    3.590 kWh
2006-09-06:    3.670 kWh
2006-09-07:    1.130 kWh
2006-09-08:    2.130 kWh
2006-09-09:    4.000 kWh
2006-09-10:    3.430 kWh
2006-09-11:    0.410 kWh
2006-09-12:    1.190 kWh
2006-09-13:    1.620 kWh
2006-09-14:    3.670 kWh
2006-09-15:    2.590 kWh
2006-09-16:    1.450 kWh
2006-09-17:    1.850 kWh
2006-09-18:    3.510 kWh
2006-09-19:    1.070 kWh
2006-09-20:    2.780 kWh
2006-09-21:    0.960 kWh