Manifold solenoid valve driven by serial signals

摘要

A manifold solenoid valve is drive-controlled by serial signals which are transmitted to solenoid valves (20) through interconnected manifold blocks (30) on which the solenoid valves (20) are mounted. A control system is provided which is simply switched to operate either a single valve or a double valve. Accommodated in each manifold block (30) is a printed circuit board (45) having female/male connecting terminals (46a) and (46b) for transmitting serial signals, a slave chip (47) for extracting operation signals for the solenoid valves from the serial signals, and a feeder terminal (49) for supplying power to the solenoid valves (20) based on the operation signals. The slave chip (47) can be switched between a single valve mode and a double valve mode, and a switching device (48) for performing the switching is provided on the manifold block (30). The bottom surfaces of single valves and double valves mounted on the manifold blocks are provided with setting sections (28) for switching and setting the switching devices (48) on mounting of the solenoid valves (20) to make them compatible with the solenoid valves.