| 摘要 |
PURPOSE:To make it possible to feed the on or off control signals of solenoid valves generated in parallel at a time, with a single signal line by converting the signals to serial signals by means of time sharing. CONSTITUTION:On or off parallel signals of n lines generated from a controller 10 are periodically made sample hold. The sample hold signals are fed successively in every minute time of DELTAT, and during the time of DELTATXn the total signals are introduced into an E/O converter 16 through a single signal line. The signals made serial arrive at an O/E converter 20 and, in turn, are read inversely by a converter 22 every DELTAT time and are reproduced to the original parallel signals. The reproduced control signal of each solenoid valve is fed to a solenoid valve group 30. |
