| 摘要 |
PURPOSE:To attain the adjustment of the software and to cope with a trouble at a customer by storing a monitor program to a ROM and providing a monitor program start switch so as not to connect separately a display device and an input device. CONSTITUTION:A CPU, a ROM, an input device MDI, a CRT, a digital output interface DO, and a digital input interface DI are connected to a system bus led to a main control section. A monitor program is stored in the ROM and the monitor program start switch is connected to the internal DI. In turning on the monitor start switch while the program is running, a monitor program RUN request signal is transmitted to a main control section via the interface DI. Thus, a monitor routine is called, the monitor program stored in the ROM is run and the machine copes with the adjustment of the software and a trouble at a customer. |
