| 摘要 |
<p>PURPOSE:To monitor not only process state information controlled by each monitor but also the state of the entire plant without a main monitor controlling device. CONSTITUTION:Monitors 11A, 11B,... connected to a transmission line 10 are respectively provided with storage means 12 having storage areas A, B,...N allotted corresponding to all monitors. The self allotted storage area is taken as 'read/write', and the one corresponding to the other monitor as 'read-only', transmitting the state information of its own or the entire allotted storage area in the prescribed cycle. Thus, each monitor displays the state of the entire plant on a display section 15 to be monitored.</p> |
