Dev #4: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 6.65 kWh
e-total: 67681.40 kWh
read bad crc 85F3, should be 02D5. Message *should* be rejected.

today:
1936-03-27 22:08:32:     -1 W
1915-10-16 17:47:12:      0 W
1917-01-13 20:29:36:      0 W
1918-04-13 23:10:32:      0 W
1919-07-13 01:53:00:      0 W
1920-10-10 04:35:04:      0 W
1922-01-08 07:16:59:      0 W
1923-04-08 09:58:22:      0 W
1924-07-06 12:38:29:      0 W
1925-10-04 15:19:09:      0 W
1927-01-02 17:59:27:     -0 W
1928-04-01 20:39:59:      0 W
1929-06-30 23:20:09:      0 W
1930-09-29 02:00:24:      0 W
1931-12-28 04:40:21:     -0 W
1933-03-27 07:20:15:      0 W
1934-06-25 10:00:48:      0 W
1935-09-23 12:41:55:      0 W
1936-12-21 15:20:36:      2 W
1938-03-21 18:00:57:      0 W
1939-06-19 20:41:07:     -0 W
1940-09-16 23:21:58:     -0 W
1941-12-16 02:03:32:     -0 W
1943-03-16 04:43:31:      2 W
1944-06-13 07:23:47:     -2 W
1945-09-11 10:03:51:      0 W
1946-12-10 12:43:51: 36893488147419103232 W
1948-03-09 15:23:51:     -0 W
1949-06-07 18:03:56: 36893488147419103232 W
1950-09-05 20:43:57:     -0 W
1951-12-04 23:23:58:     -0 W
1953-03-04 02:03:56:     -0 W
1954-06-02 04:43:52:     -2 W
1955-08-31 07:23:51:      0 W
1956-11-28 10:03:47:      0 W
1958-02-26 12:43:46:      2 W
1959-05-27 15:23:43:      0 W
1960-08-24 18:03:36:      0 W
1961-11-22 20:43:36: 36893488147419103232 W
1963-02-20 23:23:12:     -2 W
1964-05-21 02:03:18:     -0 W
1965-08-19 04:43:12: -36893488147419103232 W
1966-11-17 07:22:07:      0 W
1968-02-15 10:02:25:      2 W
1969-05-15 12:41:53:      2 W
1970-08-13 15:21:54:     -0 W
2006-07-31 11:20:00: 46477148154463518720 W
2006-07-31 11:30:00:    780 W
2006-07-31 11:40:00:    797 W
2006-07-31 11:50:00:    737 W
2006-07-31 12:00:00:    664 W
2006-07-31 12:10:00:    538 W
2006-07-31 12:20:00:    439 W
2006-07-31 12:30:00:    270 W
2006-07-31 12:40:00:    163 W
2006-07-31 12:50:00:     68 W
2006-07-31 13:00:00:     25 W
2006-07-31 13:10:00:      5 W
2006-07-31 13:20:00:      1 W
2006-07-31 13:30:00:      0 W

last month:
2006-06-30:    1.050 kWh
2006-07-01:    9.110 kWh
2006-07-02:   10.190 kWh
2006-07-03:   10.990 kWh
2006-07-04:    6.540 kWh
2006-07-05:   10.490 kWh
2006-07-06:   10.710 kWh
2006-07-07:    8.130 kWh
2006-07-08:    1.240 kWh
2006-07-09:    8.960 kWh
2006-07-10:    4.480 kWh
2006-07-11:    8.440 kWh
2006-07-12:    8.000 kWh
2006-07-13:    2.810 kWh
2006-07-14:    8.740 kWh
2006-07-15:    7.450 kWh
2006-07-16:    4.840 kWh
2006-07-17:    6.950 kWh
2006-07-18:    6.740 kWh
2006-07-19:    6.020 kWh
2006-07-20:    4.910 kWh
2006-07-21:    0.930 kWh
2006-07-22:    3.130 kWh
2006-07-23:    5.300 kWh
2006-07-24:    1.520 kWh
2006-07-25:    1.440 kWh
2006-07-26:    5.590 kWh
2006-07-27:    1.620 kWh
2006-07-28:    5.780 kWh
2006-07-29:    3.990 kWh
2006-07-30:    3.670 kWh