| 摘要 |
<p>PURPOSE:To automatically update the contents of a RAM for program or a RAM for set data into the changed program or set data at the date set in advance. CONSTITUTION:This device is provided with a RAM 6 for setting and HDD 16 to set and store the changed program and set data together with change execution date data, and a timer part 7 is provided to count the current date and time. In reaction to the ON of a power source, the date counted by the timer part 7 is compared with the change execution date and when the current date reaches the change execution date, the contents of a RAM 3 for program are reloaded into the changed program. At the same time, the contents of a RAM 4 for data are reloaded into the changed set data.</p> |
