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公开(公告)号：US20240125750A1
公开(公告)日：2024-04-18
申请号：US18486539
申请日：2023-10-13
申请人： Pilz GmbH & Co. KG
CPC分类号： G01N33/0062 , F01N11/00 , G01N33/005 , F01N2560/024 , F01N2900/1411
摘要： An apparatus for monitoring inerting in an exhaust gas discharge of a production facility includes a first flow measuring unit; a second flow measuring unit, and a monitoring unit. The first flow measuring unit is connectable to a first flow meter arranged in a first supply line of a first gas to the production facility and the second flow measuring unit is connectable to a second flow meter arranged in a second supply line of a second gas to the exhaust gas discharge. The first flow measuring unit determines a first gas quantity supplied to the production facility and the second flow measuring unit determines a second gas quantity of the second gas supplied to the exhaust gas discharge. The monitoring unit triggers a safety-related control function based on the determined first and second gas quantity.
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公开(公告)号：US20240053717A1
公开(公告)日：2024-02-15
申请号：US18361520
申请日：2023-07-28
申请人： Pilz GmbH & Co. KG
IPC分类号： G05B19/042
CPC分类号： G05B19/0423 , G05B19/0428 , G05B2219/23208
摘要： A modular control apparatus comprises a central control module with a first logic unit and a second logic unit, first electronic modules connected to the first logic unit and having safety inputs and safety outputs, wherein the first electronic modules are designed to provide safety functions of a safety controller, and second electronic modules connected to the second logic unit and having inputs and outputs, wherein the second electronic modules are designed to provide standard functions of a programmable logic controller. The central control module and the first and second electronic modules are arranged in a row of modules. The safety functions of the first electronic modules are defined by positions of the first electronic modules in the row of modules and/or by fixed hardware settings, and the standard functions of the second electronic modules are programmable.
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公开(公告)号：US20230192162A1
公开(公告)日：2023-06-22
申请号：US18068120
申请日：2022-12-19
申请人： Pilz GmbH & Co. KG
CPC分类号： B61L19/06 , B61L7/08 , B61L2019/065
摘要： An interface adapter for controlling a track-side object of a railway installation includes an analog input from an external source and an analog output to drive an electromechanical relay circuit. A bidirectional digital communication interface communicates digital data including first digital data transmitted and second digital data received. An analog-to-digital converter coupled to the analog input is configured to generate a first digital signal representing the electrical input. A digital-to-analog converter coupled to the analog output is configured to generate the electrical output in response to a second digital signal. A power supply supplies electrical power to the digital-to-analog converter. A programmable logic control circuit includes a control program configured to produce the first digital data from the first digital signal, transmit the first digital data using the digital communication interface, process the second digital data, and produce the second digital signal in response to the second digital data.
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公开(公告)号：US11619919B2
公开(公告)日：2023-04-04
申请号：US16445471
申请日：2019-06-19
申请人： Pilz GmbH & Co. KG
发明人： Kim Lê , Paul Depner , Ralf Bauer , Stefan Röhmann
IPC分类号： G01R31/327 , H01H47/22 , H01H47/00 , G05B9/03 , G05B19/042 , H01H13/18
摘要： A circuit arrangement for switching an electrical load comprising an electrical switching element with a control input and an output; a control unit connected to the control input to drive the electrical switching element, in a first switching state, to generate a first output signal forming a switch-on signal for the load and, in a second switching state, to generate a second output signal, smaller than the first output signal, forming a switch-off signal for the electrical load; a safety output connected electrically to the electrical switching element output and to which the electrical load is connected; a decoupling apparatus arranged between the electrical switching element output and the safety output; a first output signal detecting apparatus connected to the electrical switching element output; and a second output signal detecting apparatus arranged in a circuit path between the decoupling apparatus and the safety output.
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公开(公告)号：US20220333407A1
公开(公告)日：2022-10-20
申请号：US17724283
申请日：2022-04-19
申请人： Pilz GmbH & Co. KG
发明人： Joachim Rink , Roger Loop , Andreas Veit
IPC分类号： E05B17/22
摘要： A safety switch includes a movably mounted locking bolt configured to lock an actuator in a defined locking position relative to the safety switch. The safety switch includes a movably mounted locking bulkhead movable between a first position and a second position. The locking bulkhead is configured to fix the movably mounted locking bolt in the second position via a positive fit.
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公开(公告)号：US20220128965A1
公开(公告)日：2022-04-28
申请号：US17508952
申请日：2021-10-22
申请人： Pilz GmbH & Co. KG
发明人： Winfried GRUBER
IPC分类号： G05B19/406
摘要： A control device for controlling a technical installation includes a guard module. The control device has a modular structure with an input module, which receives an input signal representing a state of the technical installation, and an output module, which outputs an output signal controlling the technical installation based on the input signal. A guard module is integrated into the modular structure to monitor operability of the input module and the output module. The guard module confirms the output signal of the output module based on its monitoring of the input module and the output module. Within the modular structure, the input module and the output module form a first potential group. The guard module forms a second potential group within in the modular structure. The second potential group is independent of the first potential group.
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公开(公告)号：US11280450B2
公开(公告)日：2022-03-22
申请号：US16773928
申请日：2020-01-27
申请人： PILZ GMBH & CO. KG
发明人： Sezgin Yumuk
摘要： An access protection system for safeguarding an access point to a machine or installation includes a sensor device and an interlocking device. The sensor device includes an optical transmitter and receiver. The interlocking device includes a base body and a blocking element. The optical transmitter is configured to transmit a light pulse to the optical receiver. The sensor device is configured to generate a sensor signal based on reception of the light pulse. The sensor signal is used to control the machine or installation. The blocking element is movable relative to the base body from a release position into a blocking position. The blocking element is configured to be located, while in the blocking position, in a beam path of the light pulse between the optical transmitter and receiver to block the reception of the light pulse. The interlocking device is lockable in the blocking position by a securing element.
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公开(公告)号：US11239650B2
公开(公告)日：2022-02-01
申请号：US16874282
申请日：2020-05-14
申请人： Pilz GmbH & Co. KG
发明人： Bernd Harrer
摘要： A digital input circuit for receiving digital input signals of at least one signal generator comprises first and second subcircuits. Each subcircuit includes a digital input to receive a digital input signal and a threshold value element to determine a logic state of the subcircuit. Each subcircuit adopts a first state in response to its digital input signal reaching or falling below a lower threshold value and adopts a second state in response to its digital input signal reaching or exceeding an upper threshold value. The digital input circuit further comprises a combined test and current increasing apparatus to generate a driving signal such that a function test of both the first and second subcircuits is conducted simultaneously with the driving signal and an input current of the digital inputs is increased.
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公开(公告)号：US10965061B2
公开(公告)日：2021-03-30
申请号：US16577320
申请日：2019-09-20
申请人： Pilz GmbH & Co. KG
发明人： Andreas Veit , Joachim Rink , Markus Cech
IPC分类号： H01R13/639 , H01R13/502 , H01R13/506
摘要： A securing apparatus for mechanically securing at least one connecting plug to a housing is provided, where the securing apparatus contains (a) a bow-like shaped base body, where the body can slide laterally onto the housing, and be fixed to the housing, (b) at least one receiving section, which is formed on the base body and which is designed for receiving the connecting plug, and (c) a plurality of strip-shaped, tightenable securing devices, which are capable of securing the connecting plug to the base body and/or the base body to the housing.
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