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公开(公告)号：US12204326B2
公开(公告)日：2025-01-21
申请号：US18229187
申请日：2023-08-02
Applicant: Keyence Corporation
Inventor： Kenji Kojima
IPC: G05B9/02
Abstract: Wiring work without requiring a safety PLC is simplified even when a plurality of safety switches having a lock function are arranged. The plurality of safety switches are cascade-connected to a wiring unit. The wiring unit supplies power received via the power input unit (a VCC terminal or a GND terminal) to the plurality of safety switches. The wiring unit performs through-output of an OSSD input received from the most downstream safety switch to the outside of the wiring unit. The wiring unit outputs upstream-facing communication data COM (a lock input or the like) based on a lock instruction (LOCK). The wiring unit receives downstream-facing communication data COM (such as bundle data of AUX outputs) and outputs the communication data COM as individual AUX outputs.
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公开(公告)号：US20190094068A1
公开(公告)日：2019-03-28
申请号：US16100244
申请日：2018-08-10
Applicant: Keyence Corporation
Inventor： Choryon Oh , Kenji Kojima
Abstract: To make a display in a photoelectric switch easy to see for a user. A photoelectric switch includes a housing having a substantially rectangular parallelepiped shape. A display is attached to a first surface of the outer surface of the housing. A control board is housed on the inside of the housing. A controller is mounted on the control board. The first surface includes a hole-like or cutout-like opening section for allowing a signal cable to pass from the outside to the inside of the housing. The signal cable electrically connects the control board disposed on the inside of the housing and the display disposed on the outside of the housing. A cover member includes a window section for exposing a display region of the display and covers a non-display region of the display. The cover member is provided outside the housing.
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