| 摘要 |
<p>PURPOSE: To reduce the number of wire harness designed to electrically connect the controller block and the I/O block in the equipment by sharing the signal line to be used in sending the display data to a display device and the signal line to be used in reading the switch input data from a dip switch. CONSTITUTION: The I/O device where a display device 22 which displays the display data and a switch 23 to input the setting data are arranged in the same section is provided with an inner information output means (display register and data selector) to be outputted to the display device 22 at the prescribed time intervals and a setting information reading means (switch register) which reads the set information from the switch 23 at the overtime output of the inner information by the inner information output means to the display device 22.</p> |
