CN211577282U - Input/output card detection device - Google Patents
Input/output card detection device Download PDFInfo
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- CN211577282U CN211577282U CN201921895581.4U CN201921895581U CN211577282U CN 211577282 U CN211577282 U CN 211577282U CN 201921895581 U CN201921895581 U CN 201921895581U CN 211577282 U CN211577282 U CN 211577282U
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Abstract
The utility model relates to an input/output fastener detection device, including the processing unit, the processing unit output is connected with output fastener input, and output fastener output is connected with input fastener input, and input fastener output is connected with the processing unit input, and no paper record appearance is still connected to output fastener output. The utility model discloses can realize the automation of testing process, can improve the accuracy of testing result again.
Description
Technical Field
The utility model relates to a detect technical field, concretely relates to input/output fastener detection device.
Background
At present, along with the rapid development of science and technology, an automatic control system is applied and popularized more and more, and the automatic control system relates to IO (input/output) cards to communicate with external equipment. In practical application, IO card faults occur sometimes, and in the prior art, the IO card is mainly overhauled in two modes of factory return detection and manual testing, wherein the factory return detection has a long detection period and is expensive; and manual detection, operating efficiency is low, and the testing result receives the influence of environment at that time of measuring great, and the testing result is inaccurate, uses the manual testing mode of siemens IO fastener as the example below to explain in detail:
manually operating a control program to force the channel output of a digital quantity output (DO) card, and measuring whether the channel of the DO card is normally connected or disconnected by using a universal meter so as to judge whether the DO card is normal or not; manually checking program feedback after inputting digital quantity into a channel of the DI card by using a lead short seal to judge whether the DI card is normal or not; the method comprises the steps that a manual operation control program forces channel output of an Analog Output (AO) clamping piece, and a universal meter is used for measuring channel output signals of the AO clamping piece so as to judge whether the AO clamping piece is normal or not; and (4) manually outputting a signal to the AI card clamping piece channel by using the analog signal generator and then checking program feedback to judge whether the AI card clamping piece is normal.
Disclosure of Invention
In view of this, the embodiment of the utility model provides an input/output card piece detection device can realize the automation of testing process, can improve the accuracy of testing result again.
In order to achieve the technical purpose, the utility model adopts the following technical proposal: an input/output card detection device comprises a processing unit, wherein the output end of the processing unit is connected with the input end of an output card, the output end of the output card is connected with the input end of an input card, the output end of the input card is connected with the input end of the processing unit, and the output end of the output card is also connected with a paperless recorder; the processing unit sends a trigger signal to the output card according to a preset trigger signal; the processing unit detects whether a feedback trigger signal is received through the input clamping piece, if so, whether the feedback trigger signal is consistent with a preset trigger signal is judged, and if so, the output clamping piece and the input clamping piece are judged to be normal; if the feedback trigger signal is not received, judging whether the output clamping piece and the input clamping piece are normal according to the paperless recorder, and if the paperless recorder receives the trigger signal and accords with a preset trigger signal, judging that the output clamping piece is normal and the input clamping piece is in a fault state; and if the paperless recorder does not receive the trigger signal or the received trigger signal does not accord with the preset trigger signal, judging that the output clamping piece has a fault.
The output card comprises a digital output card and an analog output card, and the input card comprises a digital input card and an analog input card; the input end of the digital quantity output clamping piece is connected with the digital quantity output end of the processing unit, the output end of the digital quantity output clamping piece is connected with the input end of the digital quantity input clamping piece, the output end of the digital quantity input clamping piece is connected with the digital quantity input end of the processing unit, and the output end of the digital quantity output clamping piece is connected with the paperless recorder; the input end of the analog quantity output clamping piece is connected with the analog quantity output end of the processing unit, the output end of the analog quantity output clamping piece is connected with the input end of the analog quantity input clamping piece, the output end of the analog quantity input clamping piece is connected with the analog quantity input end of the processing unit, and the output end of the analog quantity output clamping piece is connected with the paperless recorder.
The processing unit is also connected with the alarm.
The utility model discloses owing to take above technical scheme, compare with prior art, it has following advantage:
the utility model discloses owing to set up processing unit automatic triggering output fastener, and make and verify each other between output fastener and the input fastener to assist with the supplementary judgement of paperless record appearance, make detection process automation, not only improved the accuracy of testing result, also improved detection efficiency.
The utility model relates to a simple structure, it is with low costs, the effect is obvious, convenient to use, can wide application in the testing process of various fasteners, especially siemens input/output fastener.
Drawings
Fig. 1 is a block diagram of an embodiment of an input/output card detection device according to the present invention;
fig. 2 is a block diagram of another embodiment of the input/output card detection device of the present invention;
fig. 3 is a schematic diagram of digital triggering control of the input/output card detecting device of the present invention;
fig. 4 is an analog quantity triggering control schematic diagram of the input/output card detecting device of the present invention;
FIG. 5 is a flow chart of the digital card detection of the input/output card detection device of the present invention;
fig. 6 is a flow chart of the analog card detection of the input/output card detection device of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the present invention provides an input/output card detection device, which includes a processing unit 1, wherein an output end of the processing unit 1 is connected to an input end of an output card 2, an output end of the output card 2 is connected to an input end of an input card 3, an output end of the input card 3 is connected to an input end of the processing unit 1, and an output end of the output card 2 is further connected to a paperless recorder 4; the processing unit 1 sends a trigger signal to the output card 2 according to a preset trigger signal; the processing unit 1 detects whether the feedback trigger signal is received through the input card 3, if the feedback trigger signal is received, whether the feedback trigger signal is consistent with a preset trigger signal is judged, and if the feedback trigger signal is consistent with the preset trigger signal, the output card 2 and the input card 3 are judged to be normal; if the feedback trigger signal is not received, judging whether the output clamping piece 2 and the input clamping piece 3 are normal according to the paperless recorder 4, if the paperless recorder 4 receives the trigger signal and accords with a preset trigger signal, judging that the output clamping piece 2 is normal and the input clamping piece 3 has a fault; if the paperless recorder 4 does not receive the trigger signal or the received trigger signal does not accord with the preset trigger signal, the output card 2 is judged to be in fault, and at the moment, the standard output card can be replaced to further judge whether the input card 3 is normal, which is referred to the above details and is not repeated.
Through above scheme, owing to set up processing unit 1 automatic trigger output fastener 2 to make and verify each other between output fastener 2 and the input fastener 3, and assist with the supplementary judgement of paperless record appearance, make the detection process automation, not only improved the accuracy of testing result, also improved detection efficiency.
In one embodiment, as shown in fig. 2, the output cartridge 2 includes a digital output cartridge 21 and an analog output cartridge 22, and the input cartridge 3 includes a digital input cartridge 31 and an analog input cartridge 32; the input end of the digital output clamping piece 21 is connected with the digital output end of the processing unit 1, the output end of the digital output clamping piece 21 is connected with the input end of the digital input clamping piece 31, the output end of the digital input clamping piece 31 is connected with the digital input end of the processing unit 1, and the output end of the digital output clamping piece 21 is also connected with the paperless recorder 4; the input end of the analog quantity output clamping piece 22 is connected with the analog quantity output end of the processing unit 1, the output end of the analog quantity output clamping piece 22 is connected with the input end of the analog quantity input clamping piece 32, the output end of the analog quantity input clamping piece 32 is connected with the analog quantity input end of the processing unit 1, and the output end of the analog quantity output clamping piece 22 is further connected with the paperless recorder 4.
Through the setting of above scheme, make the utility model discloses can wide application in the testing process of various input/output fasteners, especially siemens input/output fastener.
In one embodiment, the processing unit 1 is also connected to an alarm to enable a fault condition to be alerted in time for a user to know clearly.
In one embodiment, processing unit 1 may employ a Central Processing Unit (CPU), and in this embodiment, a Siemens PLCS7-300 CPU.
The following describes in detail a method for using one embodiment of the input/output card detection device according to the present invention with reference to the accompanying drawings and embodiments, as shown in fig. 3 to 6, including the following contents:
in this embodiment, siemens IO card detection is taken as an example for explanation, and the IO card to be detected is replaced to the corresponding positions of the output card 2 and the input card 3 of the input and output card detection device of the present invention;
the method comprises the steps that the 1 st channel of the DO card is accessed to the DI card first channel and the paperless recorder 4 first channel, signals of the DI card first channel are sent to a CPU, the CPU controls the 1 st channel of the DO card to output according to a preset trigger signal, in the embodiment, the preset trigger signal is an integer variable N, 1 is increased by 1 every second and reset to 1 after 16 is reached, the cycle changes, when the variable N is equal to 1, the CPU controls the 1 st channel of the DO card to output, whether a feedback trigger signal is received through DI or not is detected, if the feedback trigger signal is received, the feedback trigger signal is compared with a preset signal with the current N equal to 1, if the feedback trigger signal is consistent, the 1 st channel of the DO card and the DI card are judged to be normal, and if the feedback trigger signal is not consistent, an alarm is;
if the CPU does not receive the feedback trigger signal, the historical trend display of the 1 st channel of the paperless recorder 4 is observed, if the trigger record exists and the trigger record accords with the preset trigger signal, the DI card fault is judged, otherwise, the 1 st channel fault of the DO card is judged, the contents are continuously carried out after the standard DO card is replaced, and the repeated description is omitted. The other channels of the digital quantity output card to be tested and the digital quantity input card to be tested are similar to the above process, and are not described again.
The first channel 1 of the AO card is accessed to the first channel of the AI card and the first channel of the paperless recorder 4, the first channel signal of the AI card is sent to the CPU, the CPU controls the output of the first channel 1 of the AO card according to a preset trigger signal, in the embodiment, the preset trigger signal is an integer variable N which is increased by 1 every 2 seconds and reset to 1 after reaching 40, when the variable N is equal to 1, 2, 3, 4 and 5, the CPU controls the output of the first channel 1 of the AO card to be 0 percent, 25 percent, 50 percent, 75 percent and 100 percent (4MA, 8MA, 12MA, 16MA and 20MA), the CPU controls the output of the first channel 1 of the AO card and detects whether the trigger signal fed back is received through the AI (tolerance error is +/-1 percent), if the trigger signal fed back is received, the trigger signal fed back is compared with the preset signal that the current N is equal to 1, if the trigger signal fed back is consistent, the 1 channel of, if not, alarming;
if the CPU does not receive the feedback trigger signal, the 1 st channel history trend display of the paperless recorder 4 is observed, if the trigger record exists and the trigger record accords with the preset trigger signal, the AI card fault is judged, otherwise, the 1 st channel fault of the AO card is judged, the contents are continuously carried out after the standard AO card is replaced, and the details are not repeated. The other channels of the analog quantity output clamping piece to be tested and the analog quantity input clamping piece to be tested are similar to the process, and are not repeated.
The above-mentioned embodiment is only used for explaining the utility model discloses, wherein structure, connected mode and the preparation technology etc. of each part all can change to some extent, all are in the utility model discloses equal transform and improvement of going on technical scheme's the basis all should not exclude outside the protection scope of the utility model.
Claims (3)
1. The utility model provides an input/output card piece detection device which characterized in that: the output end of the processing unit is connected with the input end of an output clamping piece, the output end of the output clamping piece is connected with the input end of an input clamping piece, the output end of the input clamping piece is connected with the input end of the processing unit, and the output end of the output clamping piece is also connected with a paperless recorder; the processing unit sends a trigger signal to the output card according to a preset trigger signal; the processing unit detects whether a feedback trigger signal is received through the input clamping piece, if so, whether the feedback trigger signal is consistent with a preset trigger signal is judged, and if so, the output clamping piece and the input clamping piece are judged to be normal; if the feedback trigger signal is not received, judging whether the output clamping piece and the input clamping piece are normal according to the paperless recorder, and if the paperless recorder receives the trigger signal and accords with a preset trigger signal, judging that the output clamping piece is normal and the input clamping piece is in a fault state; and if the paperless recorder does not receive the trigger signal or the received trigger signal does not accord with the preset trigger signal, judging that the output clamping piece has a fault.
2. The input/output card detection apparatus according to claim 1, wherein: the output card comprises a digital output card and an analog output card, and the input card comprises a digital input card and an analog input card; the input end of the digital quantity output clamping piece is connected with the digital quantity output end of the processing unit, the output end of the digital quantity output clamping piece is connected with the input end of the digital quantity input clamping piece, the output end of the digital quantity input clamping piece is connected with the digital quantity input end of the processing unit, and the output end of the digital quantity output clamping piece is connected with the paperless recorder; the input end of the analog quantity output clamping piece is connected with the analog quantity output end of the processing unit, the output end of the analog quantity output clamping piece is connected with the input end of the analog quantity input clamping piece, the output end of the analog quantity input clamping piece is connected with the analog quantity input end of the processing unit, and the output end of the analog quantity output clamping piece is connected with the paperless recorder.
3. The input/output card detection apparatus according to claim 1, wherein: the processing unit is also connected with the alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921895581.4U CN211577282U (en) | 2019-11-06 | 2019-11-06 | Input/output card detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921895581.4U CN211577282U (en) | 2019-11-06 | 2019-11-06 | Input/output card detection device |
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| Publication Number | Publication Date |
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| CN211577282U true CN211577282U (en) | 2020-09-25 |
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| CN201921895581.4U Active CN211577282U (en) | 2019-11-06 | 2019-11-06 | Input/output card detection device |
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| CN (1) | CN211577282U (en) |
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- 2019-11-06 CN CN201921895581.4U patent/CN211577282U/en active Active
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