Dev #5: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 22.21 kWh
e-total: 34475.27 kWh
read bad crc 4883, should be C79D. Message *should* be rejected.

today:
1970-01-01 02:36:16:      0 W
1908-02-12 06:12:56:      0 W
1909-05-12 08:56:08:      0 W
1910-08-10 11:37:36:      0 W
1911-11-08 14:17:04:      0 W
1913-02-05 16:57:54:      0 W
1914-05-06 19:40:39:      0 W
1915-08-04 22:23:39:      0 W
1916-11-02 01:03:46:      0 W
1918-01-31 03:44:56:     -0 W
1919-05-01 06:25:31:     -2 W
1920-07-29 09:05:59:      0 W
1921-10-27 11:46:04:     -2 W
1923-01-25 14:25:38:     -0 W
1924-04-24 17:04:06:      0 W
1925-07-23 19:43:41:      0 W
1926-10-21 22:24:22:     -2 W
1928-01-20 01:05:58:      2 W
1929-04-19 03:46:13:     -0 W
1930-07-18 06:26:29: 36893488147419103232 W
1931-10-16 09:06:02:     -0 W
1933-01-13 11:45:56:      0 W
1934-04-13 14:25:44:      0 W
1935-07-12 17:05:56:     -2 W
1936-10-09 19:45:50:     -0 W
1938-01-07 22:26:57:      0 W
1939-04-08 01:07:46:      0 W
1940-07-06 03:48:00:      2 W
1941-10-04 06:27:58: -158456325028528675187087900672 W
1943-01-02 09:08:07:     -0 W
1944-04-01 11:48:10:     -2 W
1945-06-30 14:28:17:     -0 W
1946-09-28 17:08:30:      2 W
1947-12-27 19:48:37:      0 W
1949-03-26 22:28:21:     -0 W
1950-06-25 01:08:11: 36893488147419103232 W
1951-09-23 03:48:37:     -2 W
1952-12-21 06:26:23:     -0 W
1954-03-21 09:08:17:     -2 W
1955-06-19 11:47:42: 36893488147419103232 W
1956-09-16 14:27:48:      2 W
1957-12-15 17:06:44: 36893488147419103232 W
1959-03-15 19:47:44:     -2 W
1960-06-12 22:29:08: -158456325028528675187087900672 W
1961-09-11 01:08:12: -8589934592 W
1962-12-10 03:47:10:      0 W
1964-03-09 06:25:56: -36893488147419103232 W
1965-06-07 09:05:57:     -0 W
1966-09-05 11:48:33:     -0 W
1967-12-04 14:28:41: 8589934592 W
1969-03-03 17:08:31: 8589934592 W
1970-06-01 19:45:51: 158456325028528675187087900672 W
1971-08-30 22:28:07:     -0 W
1972-11-28 01:08:16:     -0 W
1974-02-26 03:47:45:      0 W
1975-05-27 06:28:08:     -0 W
1976-08-24 09:08:24: -8589934592 W
1977-11-22 11:48:35:      0 W
1979-02-20 14:28:23: 158456325028528675187087900672 W
1997-04-25 01:14:16: -158456325028528675187087900672 W
2018-05-03 12:00:00:   2480 W
2018-05-03 12:10:00:   2577 W
2018-05-03 12:20:00:   2499 W
2018-05-03 12:30:00:   2428 W
2018-05-03 12:40:00:   2089 W
2018-05-03 12:50:00:   1793 W
2018-05-03 13:00:00:   1969 W
2018-05-03 13:10:00:   1936 W
2018-05-03 13:20:00:   1870 W
2018-05-03 13:30:00:   1739 W
2018-05-03 13:40:00:   1675 W
2018-05-03 13:50:00:   1628 W
2018-05-03 14:00:00:   1858 W
2018-05-03 14:10:00:   1414 W
2018-05-03 14:20:00:   1291 W
2018-05-03 14:30:00:    974 W
2018-05-03 14:40:00:   1131 W
2018-05-03 14:50:00:   1370 W
2018-05-03 15:00:00:    545 W
2018-05-03 15:10:00:    618 W
2018-05-03 15:20:00:    497 W
2018-05-03 15:30:00:    301 W
2018-05-03 15:40:00:    233 W
2018-05-03 15:50:00:    136 W
2018-05-03 16:00:00:     84 W
2018-05-03 16:10:00:     23 W
2018-05-03 16:20:00:      2 W
2018-05-03 16:30:00:      0 W
2018-05-03 16:40:00:      0 W
2018-05-03 16:50:00:      0 W
2018-05-03 17:00:00:      0 W
2018-05-03 17:10:00:      0 W

last month:
2018-04-02:    5.210 kWh
2018-04-03:    8.230 kWh
2018-04-04:    9.190 kWh
2018-04-05:   20.800 kWh
2018-04-06:   16.460 kWh
2018-04-07:    8.320 kWh
2018-04-08:    2.680 kWh
2018-04-09:    1.410 kWh
2018-04-10:    7.160 kWh
2018-04-11:    4.270 kWh
2018-04-12:    3.260 kWh
2018-04-13:    5.950 kWh
2018-04-14:   19.630 kWh
2018-04-15:    9.180 kWh
2018-04-16:   14.270 kWh
2018-04-17:   18.150 kWh
2018-04-18:   22.790 kWh
2018-04-19:   23.030 kWh
2018-04-20:   23.380 kWh
2018-04-21:   15.320 kWh
2018-04-22:   20.950 kWh
2018-04-23:   17.550 kWh
2018-04-24:    9.310 kWh
2018-04-25:   17.410 kWh
2018-04-26:   18.460 kWh
2018-04-27:    5.970 kWh
2018-04-28:    2.660 kWh
2018-04-29:    2.530 kWh
2018-04-30:    3.990 kWh
2018-05-01:   19.320 kWh
2018-05-02:   10.800 kWh