| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a production planning preparation system, and a production planning changing information storing method in which a production planning condition for a designated day and time can be reproduced in a short time using less recording medium when the scale of a production schedule is very large, and with less changing positions in the production planning. SOLUTION: This system and method are provided with a difference detection part 74 to detect difference between master information 71/current information 72 and planning information 76, a planning information renewal part 75 to change the planning information 76 when difference between the master information 71/current information 72 and the planning information 76 is detected, and a planning preservation part 78 to preserve the planning information 76 changed by the planning information renewal part 75 in an external file as a preserved plan 79.</p> |
