| 摘要 |
<p>PURPOSE: To provide a data monitoring device with which an abnormal part or a defective part can be speedily found out when the abnormality or operation defect of a system applied with the programmable controller occurs. CONSTITUTION: When a monitor address is set in a display part 21 with a ten key 20 and the system is started, the change of status on that monitor address appears on a display part 22 but in this case, the display is delayed according to a time delay kind (ON time delay or OFF time delay) and timer time set by a FUN1 and a FUN2. Moreover, for the status of the peripheral address, the display is delayed on a display part 25 as well. In a PLC distributed system, the status of respective PLC used for the logical arithmetic of monitor address status is displayed on the display part 25.</p> |
