| 摘要 |
<p>PURPOSE:To provide a programmble controller(PC) which can improve its operability when the contents that are monitored before the restart of monitoring are monitored again or to provide a PC which contains the function of the PC setting device. CONSTITUTION:A monitoring subject information memory 2a stores the monitoring subject information in a monitoring operation state. A CPU 1 reads the contents of the monitoring subject information stored in the memory 2a out of a storage of a PC 6 when only a monitoring operation key is inputted after the restart of monitoring. Then a display device 4 shows the information read out of the CPU 1.</p> |
