阅读说明：本技术 安全开关设备和用于设置至少一个操作参数的方法 (Safety switching device and method for setting at least one operating parameter ) 是由 乔纳斯·魏登穆勒 弗雷德里克·贝雷 于 2020-04-15 设计创作，主要内容包括：本申请涉及安全开关设备和用于设置至少一个操作参数的方法。该安全开关设备(10)具有：多个开关元件(24；S0…S9),以用于设置安全开关设备的至少一个操作参数；以及控制和评估单元(20；20a-20b),其被设计用于根据开关元件的开关位置设置操作参数。在此,在开关元件与控制和评估单元之间设置了读出装置(26),该读出装置具有至少一个移位寄存器(28A-28B),该移位寄存器的至少一个第一输入端(A0…A7；B0…B7)与开关元件连接,并且输出端(Q<Sub>B</Sub>)与控制和评估单元连接,其中移位寄存器的输出端经由逻辑元件(30)被引回到移位寄存器的第二输入端(SI<Sub>A</Sub>),以产生校验位,并且其中控制和评估单元被设计用于根据校验位检查借助于读出装置读入的开关位置的完整性。(The present application relates to a safety switching device and a method for setting at least one operating parameter. The safety switching device (10) comprises: a plurality of switching elements (24; S0 … S9) for setting at least one operating parameter of the safety switchgear; and a control and evaluation unit (20; 20a-20b) which is designed to set the operating parameters as a function of the switching position of the switching element. A readout device (26) is arranged between the switching element and the control and evaluation unit, said readout device having at least one shift register (28A-28B), at least one first input (A0 … A7; B0 … B7) of which is connected to the switching element and an output (Q) B ) Connected to the control and evaluation unit, the output of the shift register being fed back to the shift register via a logic element (30)Second input terminal (SI) A ) To generate check bits, and wherein the control and evaluation unit is designed to check the integrity of the switch positions read in by means of the read-out device on the basis of the check bits.)

1. Safety switching device (10), in particular safety relay, the safety switching device (10) having: a plurality of switching elements (24; S0 … S9) for setting at least one operating parameter of the safety switching device (10); and a control and evaluation unit (20; 20a-20b) which is designed to set the operating parameters as a function of the switching position of the switching element (24; S0 … S9),

it is characterized in that the preparation method is characterized in that,

a readout device (26) is arranged between the switching element (24; S0 … S9) and the control and evaluation unit (20; 20a-20B), said readout device having at least one shift register (28A-28B), at least one first input (A0 … A7; B0 … B7) of which is connected to the switching element (24; S0 … S9) and an output (Q)_B) And the control and evaluation unit (20; 20a-20 b);

an output (Q) of the shift register (28A-28B)_B) Is led back to the Second Input (SI) of the shift register (28A-28B) via a logic element (30)_A) To generate a check bit; and

the control and evaluation unit (20; 20a-20b) is designed to check the integrity of the switch position (24; S0 … S9) read in by means of the read-out device (26) as a function of the check bits.

2. The safety switching device (10) according to claim 1, wherein the operating parameter has a delay time and/or a change in an evaluation of at least one input (16a-16b) of the safety switching device (10).

3. The safety switch device (10) according to claim 1 or 2, wherein the read-out arrangement (26) has a plurality of shift registers (28A-28B; 28A-28C) connected in series with each other.

4. The safety switch device (10) as claimed in one of the preceding claims, wherein the read-out arrangement (26) has only a shift register (28A-28B) for receiving a switch position (S0 … S9), which shift register also generates the check bit via the logic element (30) in a dual-function manner.

5. The safety switching device (10) as claimed in any of the preceding claims, wherein the shift register (28A-B) has a plurality of first inputs (A0 … A7; B0 … B7) which are designed as parallel inputs, and wherein the switching elements (24; S0 … S9) are each connected to a first input (A0 … A7; B0 … B7).

6. The safety switch device (10) as claimed in claim 5, wherein at least one first input (A0 … A2; B5 … B7) is determined as a high or low fixed input, in particular at the beginning and/or end of the shift register (28A-28B).

7. The safety switching device (10) as claimed in claim 6, wherein the control and evaluation unit (20; 20a-20b) is designed for checking a correct reading-in of the state of the fixed input, in particular of the fixed input as a start identifier and/or an end identifier.

8. Safety switching device (10) according to any of the preceding claims, whereinSaid second input terminal (SI)_A) Designed as a serial input.

9. The safety switch device (10) according to any one of the preceding claims, wherein the logic element (30) is an XOR element which generates a parity bit as a check bit and two XOR inputs of which are connected to different outputs (Q) of the shift register (28A-28B)_A、Q_B) Connecting, in particular in series with each other, an output (Q) of a last shift register (28C) of a plurality of shift registers (28A-28C)_C) And an output (Q) of the other shift register (28A, 28B)_A、Q_B) And (4) connecting.

10. Safety switching device (10) according to one of the preceding claims, wherein the readout arrangement (26) is designed as a single channel.

11. The safety switch device (10) according to one of the preceding claims, wherein the control and evaluation unit (20; 20a-20b) is designed for reading in the switch position a plurality of times and checking the consistency of a plurality of reading-in processes.

12. A method for setting at least one operating parameter of a safety switching device (10), in particular a safety relay, wherein a control and evaluation unit (20; 20a-20b) sets the operating parameter as a function of the switching position of a plurality of switching elements (24; S0 … S9),

it is characterized in that the preparation method is characterized in that,

reading the switch positions into at least one shift register (28A-28B) and outputting them serially from the shift register (28A-28B) to the control and evaluation unit (20; 20a-20B) for single-channel readout;

the shift registers (28A-28B) are arranged to be coupled to the output (Q) by being routed back through the logic element (30)_B) To generate a check bit; and

and checking the integrity of the read-in switch position according to the check bit.