To simplify assembling and replacement of a manifold solenoid valve driven by serial signals, by providing the solenoid valve itself with function of receiving the serial signals for use of a single valve or a double valve.
In order to transmit serial signals to solenoid valves through manifold blocks 30 connected thereto while mounting a solenoid valve 20, each manifold block 30 is provided with connection terminals 46b, etc., for transmitting the serial signals, a transmitting/current carrying connector 49 for supplying driving power to the solenoid valve for transmitting the driving control serial signals and changing over a main valve 22. A transmitting/current receiving connector 25 is arranged on the manifold block 30 correspondingly to the connector 49, which is connected to the connector 49 by attaching the solenoid valve 20. A slave chip 28 is arranged on the solenoid 20, for sampling operation signals of the solenoid valve from the serial signals received through the connectors.
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MORIKAWA FUMIO
ENDO KATSUHISA