摘要:
The invention relates to a safety switch device (50) for safe disconnection of an electric consumer, especially an electric machine (26), comprising at least one output switch (14) for interrupting an external current supply path (30). The output switch (14) has at least two switch positions. The safety switch device also comprises a control unit (12) which controls the switch position of the output switch (14). Means (16, 24,) are also provided so that the control unit (12) monitors an actual switch position of the output switch (14). The invention is characterized in that said means contain an HF generator (16) for producing an HF test signal (70) and a coupling circuit (68) used to transmit the test signal (70) to the output switch (14).
摘要:
The invention relates to a modular safety switchgear system for switching actuators (21) on and safely off, comprising at least one input module (18) for safely evaluating a safety device (20) and for generating an output signal, and at least one output module (19) for safely actuating the actuator (21) depending on the output signal of the input module (18), whereby at least the input module can be operated in different operating modes. The inventive system is further characterized in that it is provided with a control module (16) for individually adjusting the operating mode of every input and output module (18, 19) and with a display means (30) for safely displaying the adjusted operating mode of the input module (18) and/or the output module (19).
摘要:
The invention relates to a security switching device for securely switching on and off an electric consumer (84), especially an electrically driven machine, that has at least one first and one second electronic switching element (56, 58), at least one first and one second output terminal (76, 78) and at least one input terminal (70, 72) for a first switching signal that acts upon the switching elements (56, 58). The invention is characterised in that the first and the second switching element (56, 58) are provided with an output (66) respectively which provides an output signal of a first (UB) or a second potential (ground) according to the first switching signal. The output (66) of the first switching element (56) is connected to the first output terminal (76) and the output (66) of the second switching element (58) is connected to the second output terminal (78).
摘要:
Modular control apparatus (10) comprising a head module (46), at least one feed module (48) and at least one peripheral module (50), which are arranged next to one another on the head module (46), and comprising at least one bus structure (72). The at least one feed module (48) and the at least one peripheral module (50) have a base module part (62), an electronics module part (60) and a connection module part (58). The connection module part (58) of the at least one feed module has a feed connection (56) for feeding in an external peripheral current (40). The connection module part (58) of the at least one peripheral module (50) provides an output (64) for connecting an actuator for outputting the peripheral current (40) fed into the feed module (48). The base module parts (62), which are arranged next to one another, provide a bus structure (72) via which the head module (46), the at least one feed module (48) and the at least one peripheral module (50) are electrically coupled to one another. The feed module (48) furthermore has an electrical line (66) having a defined cross section, which electrical line runs from the connection module part (58) through the electronics module part (60) towards the base module part (62) and connects the at least one feed connection (56) of the feed module (48) to the bus structure (72). In addition, the feed module (48) has an overload identification unit (68), which is arranged on the electrical line (66) and determines a parameter of the electrical line (66) and generates a warning message when the parameter exceeds a limit value.
摘要:
The invention relates to a module arrangement of safety switching devices, comprising at least one input module (18) for processing the signals of a transmitting safety device (20) and for generating output signals; and at least two output modules (19; 19.1, 19.2) for controlling an actuator (21) according to the output signals. The input module (18) and the output modules (19) are arranged in a series, forming a module series, and the input module (18) is allocated to an output module (19). The inventive module arrangement is characterized in that the input module (18) is allocated to the first, second or both output modules (19) according to the position of the input module (18) in the module series.
摘要:
The invention relates to a modular safety switchgear system for switching actuators (21) on and safely off, comprising at least one input module (18) for safely evaluating a safety device (20) and for generating an output signal, and at least one output module (19) for safely actuating the actuator (21) depending on the output signal of the input module (18), whereby at least the input module can be operated in different operating modes. The inventive system is further characterized in that it is provided with a control module (16) for individually adjusting the operating mode of every input and output module (18, 19) and with a display means (30) for safely displaying the adjusted operating mode of the input module (18) and/or the output module (19).
摘要:
The invention relates to a safety switching module for reliably switching off an electrical load (43) comprising a first and a second switching control device (20A, 20B) and a first switching element (24.1) and a second switching element (24.2) that is series-connected thereto. Said switching elements form a first current path (26.1) for supplying the load, whereby the first switching element (24.1) can be controlled by the first switching control device (20A), and the second switching element (24.2) can be controlled by the second switching control device (20B). The inventive safety switching module also comprises an evaluation and control device (12) for testing the switching-off ability of at least one switching element. A third and a fourth switching element (24.3, 24.4) are provided, which are connected to one another in series, are connected in parallel to the series connection consisting of the first and second switching elements (24.1, 24.2), and form a second current path (26.2). The third switching element (24.3) can be controlled by the first switching control device (20A), and the fourth switching element (24.4) can be controlled by the second switching control device (20B). The evaluation and control device (12) tests the switching elements (24) in one of the two current paths (26.1, 26.2) while alternating between the two whereby providing the load to the other current path (26.2, 26.1).