Title:
FLUID CONTROL DEVICE, FLUID CONTROL SYSTEM, AND VALVE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/228555
Kind Code:
A1
Abstract:
This fluid control device 100 comprises a valve control device 20 that can communicate with an external device 30, and a valve 10 connecting to the valve control device, wherein: the valve control device 20 includes a valve driving circuit 22 for driving the valve, a digital communication circuit 26 connected to the valve driving circuit, and an input/output terminal 24 connected to the valve driving circuit; the digital communication circuit provided to the external device and the digital communication circuit 26 of the valve control device are configured so as to be capable of digital communication; a power supply and an analog communication circuit provided to the external device have a connector AC and can connect to the input/output terminal 24 of the valve control device by means of an integrated cable C2 comprising at least four wires therein; and power and analog signals are supplied from the external device via the input/output terminal 24.
Inventors:
SUGITA KATSUYUKI (JP)
DOHI RYOUSUKE (JP)
OGAWA SHINYA (JP)
HIRAI TORU (JP)
KAWADA KOJI (JP)
DOHI RYOUSUKE (JP)
OGAWA SHINYA (JP)
HIRAI TORU (JP)
KAWADA KOJI (JP)
Application Number:
PCT/JP2023/012524
Publication Date:
November 30, 2023
Filing Date:
March 28, 2023
Export Citation:
Assignee:
FUJIKIN KK (JP)
International Classes:
F16K31/02; F16K51/00
Domestic Patent References:
| WO2019107215A1 | 2019-06-06 | |||
| WO2017188129A1 | 2017-11-02 |
Foreign References:
| JPH07210254A | 1995-08-11 | |||
| JP2021523462A | 2021-09-02 |
Attorney, Agent or Firm:
TANIDA Ryuichi et al. (JP)
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