Invention Grant
- Patent Title: Emergency command device and safety system with an emergency command device
-
Application No.: US15820087Application Date: 2017-11-21
-
Publication No.: US10395507B2Publication Date: 2019-08-27
- Inventor: Martin Bellingkrodt , Jörg Seid , Sergej Birt
- Applicant: Pilz GmbH & Co. KG
- Applicant Address: DE Ostfildern
- Assignee: Pilz GmbH & Co. KG
- Current Assignee: Pilz GmbH & Co. KG
- Current Assignee Address: DE Ostfildern
- Agency: Edell, Shapiro & Finnan, LLC
- Priority: DE102016122370 20161121
- Main IPC: G08B21/18
- IPC: G08B21/18 ; G08B5/36 ; H02H3/04 ; H02H3/10 ; G05B9/03

Abstract:
An emergency command device comprises: two safety inputs connectable to a control/evaluating unit to receive an input voltage; two safety outputs connectable to the control/evaluating unit; two electrical switching paths respectively extending between the two safety inputs and the two safety outputs; an emergency actuating unit comprising: a manually triggerable actuating element, a background element, and two switches connected to the actuating element and respectively disposed in the two electrical switching paths; a light emitting unit comprising red LEDs to backlight the actuating element and yellow LEDs to backlight the background element; a voltage detector detect an electrical output voltage at one of the two safety outputs; and a flashing circuit arrangement coupled to activate flashing of the yellow LEDs and/or the red LEDs in response to detection by the voltage detector of a drop in the output voltage below a preset or presettable threshold value.
Public/Granted literature
- US20180144603A1 Emergency Command Device and Safety System with an Emergency Command Device Public/Granted day:2018-05-24
Information query