CN116859817A - Detection system, method, medium and equipment of PLC module - Google Patents
Detection system, method, medium and equipment of PLC module Download PDFInfo
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- 238000004891 communication Methods 0.000 abstract description 44
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
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Abstract
The application belongs to the field of checking of PLC modules in a pipe network station, and particularly relates to a detection system, method, medium and equipment of a PLC module. The system comprises: the system comprises a power supply module, a PLC controller module and an Ethernet module; the power module is used for: supplying power to the PLC module to be detected, the PLC controller module and the Ethernet module; the PLC controller module is used for: detecting the PLC module to be detected according to the detection type of the PLC module to be detected; the Ethernet module is used for: and providing a channel for carrying out data interaction between the PLC controller module and a PC (personal computer) with pre-installed configuration software. The application has simple structure and strong function, can be used as a verification platform of the module, can also be used for maintaining and configuring a third party communication module of a station yard, and can be used as a simple training platform so as to enable maintenance technicians to know the knowledge of related systems.
Description
Technical Field
The application belongs to the field of checking of PLC modules in a pipe network station, and particularly relates to a detection system, method, medium and equipment of a PLC module.
Background
The instrument and the automatic control system in the national pipe network station are oil transportation production nerve centers, play an important role in ensuring the normal operation of oil transportation production, the instrument and the automatic control system are composed of a PLC controller and various PLC modules, after the modules are used for a period of time, the modules are influenced by temperature or frame potential, signals drift, the conversion precision of A/D (for an analog input module and a thermal resistance module) or D/A (for an analog output module) can be changed, the precision of the signals cannot be ensured, the risk of misoperation of the system is increased, and hidden danger is brought to oil transportation production. For the problem of module precision reduction, the common practice is to replace a new module for the analog quantity of key points and the thermal resistance module treatment, thereby increasing the production cost of enterprises. Meanwhile, a plurality of third party communication modules, such as modules for communicating with valves, exist in the system, and as the system operation time is prolonged or other reasons lead to module faults or damages, workers are required to process the fault modules, and because the module configuration is different from other system module configuration methods, special configuration software is required to configure the modules, if the fault modules are configured on the operated system, abnormal events of the system can be caused, and normal oil transportation production operation is threatened.
Disclosure of Invention
The application aims to provide a detection system, a detection method, a detection medium and detection equipment for a PLC module.
The technical scheme for solving the technical problems is as follows: a detection system for a PLC module, comprising: the system comprises a power supply module, a PLC controller module and an Ethernet module;
the power module is used for: supplying power to the PLC module to be detected, the PLC controller module and the Ethernet module;
the PLC controller module is used for: detecting the PLC module to be detected according to the detection type of the PLC module to be detected;
the Ethernet module is used for: and providing a channel in which the configuration software PC is pre-installed to perform data interaction with the PLC controller module.
The beneficial effects of the application are as follows: the system has a simple structure and powerful functions, can be used as a verification platform of the module, can also be used for maintaining and configuring a third-party communication module of a station yard, and can also be used as a simple training platform, so that related maintenance technicians can know the knowledge of related systems.
On the basis of the technical scheme, the application can be improved as follows.
Further, when any channel of the to-be-detected PLC module is connected to a pre-established standard signal generator, the PLC controller module performs low-end calibration on the to-be-detected PLC module, displays a calibration result on a status bar of the configuration software, and performs high-end calibration after the low-end calibration passes until detection of all channels of the to-be-detected PLC module is completed.
Further, the inspection types of the PLC module to be detected include:
and checking the thermal resistance module, checking the analog quantity input module and checking the analog quantity output module.
Further, the device also comprises a frame, wherein the power module, the PLC module to be detected, the PLC controller module and the Ethernet module are arranged on the frame.
The other technical scheme for solving the technical problems is as follows: a method of detecting a PLC module, comprising:
detecting the PLC module to be detected according to the detection type of the PLC module to be detected;
providing a channel for carrying out data interaction between a PC (personal computer) with configuration software pre-installed and the PLC module through an Ethernet module;
and the power supply module supplies power to the PLC module to be detected, the PLC controller module and the Ethernet module.
The beneficial effects of the application are as follows: the system has a simple structure and powerful functions, can be used as a verification platform of the module, can also be used for maintaining and configuring a third-party communication module of a station yard, and can also be used as a simple training platform, so that related maintenance technicians can know the knowledge of related systems.
Further, according to the inspection type of the PLC module to be detected, the process of detecting the PLC module to be detected is as follows:
and connecting any channel of the PLC module to be detected with a pre-established standard signal generator, performing low-end calibration on the PLC module to be detected, displaying a calibration result on a status bar of configuration software of a PC (personal computer) with the configuration software pre-installed, and performing high-end calibration after the low-end calibration is passed, so as to finish detection on all channels of the PLC module to be detected.
Further, the inspection types of the PLC controller to be detected include:
and checking the thermal resistance module, checking the analog quantity input module and checking the analog quantity output module.
Further, the device also comprises a frame, wherein the power module, the PLC module to be detected, the PLC controller module and the Ethernet module are arranged on the frame.
The other technical scheme for solving the technical problems is as follows: a storage medium having instructions stored therein which, when read by a computer, cause the computer to perform the method of any of the preceding claims.
The beneficial effects of the application are as follows: the system has a simple structure and powerful functions, can be used as a verification platform of the module, can also be used for maintaining and configuring a third-party communication module of a station yard, and can also be used as a simple training platform, so that related maintenance technicians can know the knowledge of related systems.
The other technical scheme for solving the technical problems is as follows: an electronic device includes the storage medium and a processor executing instructions within the storage medium.
The beneficial effects of the application are as follows: the system has a simple structure and powerful functions, can be used as a verification platform of the module, can also be used for maintaining and configuring a third-party communication module of a station yard, and can also be used as a simple training platform, so that related maintenance technicians can know the knowledge of related systems.
Drawings
FIG. 1 is a block diagram of a detection system for a PLC module according to an embodiment of the present application;
FIG. 2 is a schematic flow chart provided by an embodiment of a method for detecting a PLC module according to the present application;
FIG. 3 is a diagram showing a structure of a test apparatus provided by an embodiment of a detection system of a PLC module according to the present application;
FIG. 4 is a schematic diagram illustrating calibration of an analog input module provided by an embodiment of a detection system of a PLC module according to the present application;
FIG. 5 is a schematic diagram of a single-ended input connection of an analog input module provided by an embodiment of a detection system for a PLC module according to the present application;
FIG. 6 is a schematic diagram of a differential input wiring diagram of an analog input module provided by an embodiment of a detection system for a PLC module according to the present application;
FIG. 7 is a schematic diagram of calibration of a thermal resistance input module provided by an embodiment of a detection system of a PLC module according to the present application;
FIG. 8 is a schematic diagram of a thermal resistance input module provided by an embodiment of a detection system for a PLC module according to the present application;
FIG. 9 is a schematic diagram illustrating calibration of an analog output module provided by an embodiment of a detection system of a PLC module according to the present application;
FIG. 10 is a schematic diagram of an analog output module provided by an embodiment of a detection system for a PLC module according to the present application;
FIG. 11 is a schematic diagram illustrating a third party communication module test provided by an embodiment of a detection system of a PLC module according to the present application;
fig. 12 is a schematic diagram of a third party communication module MVI56E provided by an embodiment of a detection system of a PLC module according to the present application.
Detailed Description
The principles and features of the present application are described below with examples given for the purpose of illustration only and are not intended to limit the scope of the application.
As shown in fig. 1, a detection system of a PLC module includes: a power module 100, a PLC module to be detected, a PLC controller module 200, and an ethernet module 300;
the power module 100 is configured to: powering the PLC module to be detected, the PLC controller module 200, and the ethernet module 300;
the PLC controller module 200 is configured to: detecting the PLC module to be detected according to the detection type of the PLC module to be detected;
the ethernet module 300 is configured to: and providing a channel for data interaction between the PC with the pre-installed configuration software and the PLC controller module 200.
In some possible embodiments, the system has simple structure and strong functions, can be used as a verification platform of the module, can also be used for maintaining and configuring a third party communication module of a station yard, and can also be used as a simple training platform so that related maintenance technicians can know the knowledge of related systems.
It should be noted that, as shown in fig. 3, the power module comprises a power module 100, a 7-slot rack, and a PLC controller module 200 and an ethernet module 300 mounted on the 7-slot rack;
the types of inspection of the PLC modules to be detected can include multiple types, different types can be defined according to different scene requirements, and the following description is made with several specific types:
1. calibration instance of analog input Module
As shown in fig. 4, which is a schematic diagram of calibration of the analog input module, the analog input module of the PLC module to be detected is inserted into the idle slot of the 7-slot rack, a PC with configuration software installed therein is started, the PC and the PLC controller are connected through an ethernet module 300 by a network cable, the PC and the ethernet module 300 are arranged in the same network segment, related software is started, a communication connection is established between the PC and the PLC controller, the configuration software is started, the PLC module to be detected is added into the engineering of the device, the PLC module to be detected can be set in a differential or single-ended mode, and the module cannot be configured. And entering a check page of the module, wherein the check page can see the last time of successful calibration of the PLC module to be detected and the result of the calibration.
The channels of the PLC module to be detected are connected with standard signal generators, and the standard signal generators can generate standard voltage signal output, can be connected with a single channel or multiple channels, and depend on the number of the standard signal generators. Firstly, performing low-end calibration, namely, switching a standard signal of which the standard signal generator is regulated to 0V into an analog input module input channel of a to-be-detected PLC module, starting calibration, comparing the standard 0V signal output by the standard signal generator with a voltage signal of the input channel detected by the analog input module of the to-be-detected PLC module, automatically completing the calibration of the 0V signal of the module input channel by the to-be-detected PLC module, completing the calibration, and displaying a calibration result in a status column of configuration software: when the status bar shows OK, the channel calibration is successful, when the status bar shows Error, the test is clicked to retry, and if the test is still Error, the reason is searched. When the voltage signal output by the standard signal generator is unstable or has too large deviation, the calibration cannot be successful, the standard signal generator must have enough precision as a standard signal source, and must be reliably connected with a channel of the PLC module to be detected, so as to eliminate an interference source. After the low end is successfully calibrated, the high end calibration is entered.
The standard signal generator is adjusted to 10V standard signals, the standard signals are connected to an analog input module input channel of the PLC controller to be detected, next step is clicked, verification is started, standard 10V voltage signals output by the standard signal generator are compared with voltage signals of the input channel detected by the analog input module of the PLC module to be detected, the PLC module to be detected automatically completes calibration of the 10V signals of the input channel of the module, and test results appear in a configuration software status bar: when the status bar shows OK, the channel calibration is successful, when the status bar shows Error, the test is clicked to retry, and if the test is still Error, the reason is searched. Click is completed and calibration is completed. The operation is repeated, and calibration is performed for each channel.
The analog input module of the PLC module to be detected has a single-ended input mode and a differential input mode, as shown IN fig. 5, the analog input module is a 16-channel analog input module wiring diagram, channel numbers 0-15, terminal numbers IN-X (X represents 0-15), RTN is a public terminal, the single-ended input mode is to connect a voltage signal positive electrode output by a standard signal generator to IN-X (X represents 0-15), a voltage signal negative electrode is connected to the public terminal RTN, and as shown IN fig. 5, the connection example of 2 channels is shown; as shown IN FIG. 6, a differential input mode wiring diagram of a 16-channel analog input module is provided, the module is set IN a differential mode IN configuration software, the 16-channel input module is formed into an 8-channel input module by the differential input mode, the channel numbers 0-7, the terminal numbers are IN-X (X represents 0-15), the 0-channel terminal numbers (IN-0, 1), the 1-channel terminal numbers (IN-2, 3), and the 2-channel terminal numbers (IN-4, 5) … … are used for solving the problem of single-ended input signal interference, the 16-channel module channel of the single-ended input mode is divided into 4 groups, and each group of 4 channels share a signal cathode RTN, so that signal interference is easy to be caused. Fig. 5 is a single-ended input wiring diagram of an analog input module of the PLC module to be detected, and fig. 6 is a differential input wiring diagram of the analog input module of the PLC module to be detected.
2. Calibration example of thermal resistance Module
FIG. 7 is a schematic diagram of calibration of a thermal resistor module, which is similar to the calibration of an analog input module, except that the standard signal is a standard resistance signal.
The thermal resistance module to be checked is inserted into the idle slot of the 7-slot rack, a PC with configuration software installed is started, the PC is connected with the Ethernet module 300 of the test device through a network cable, the PC and the Ethernet module 300 are arranged in the same network segment, related software is started, the PC is connected with the test device, the configuration software is started, the module to be checked is added into the engineering of the device, and the module cannot be configured. And entering a verification page of the module, and recording the time of the last successful calibration of the module and the calibration result by a verification program interface.
The input channel terminals of the module to be checked are connected to the standard signal generator outputs, either single or multiple channels, depending on the number of standard signal generators. First, a low-end calibration is performed, and the standard signal generator can generate a standard resistance signal output, which can be connected with a single channel or multiple channels, depending on the number of standard signal generators. Firstly, performing low-end calibration, namely, switching a standard signal of which the standard signal generator is adjusted to 1 omega into an input channel of a thermal resistance module to be detected, starting calibration, comparing the standard 1 omega signal output by the standard signal generator with a resistance signal of the detected input channel of the thermal resistance module to be detected, automatically completing the calibration of the 1 omega signal of the input channel of the module by the thermal resistance module to be detected, and displaying a calibration result in a status column of configuration software: when the status bar shows OK, the channel calibration is successful, when the status bar shows Error, the test is clicked to retry, and if the test is still Error, the reason is searched. The standard signal generator must have enough precision as a standard resistance source, and must be reliably connected with the channel of the PLC module to be detected, so as to eliminate the interference source, and when the resistance signal output by the standard resistance signal generator is unstable or has too large deviation, calibration cannot be successful. After the low end is successfully calibrated, the high end calibration is entered.
The standard signal generator is adjusted to 487Ω standard signals, the standard signals are connected to the input channel of the module to be checked, the next step is clicked, checking is started, the standard 487Ω signals output by the standard signal generator are compared with resistance signals of the input channel detected by the thermal resistance module, the thermal resistance module to be detected automatically completes calibration of the 487Ω signals of the input channel of the module, and a test result appears in a status bar of configuration software: when the status bar shows OK, the channel calibration is successful, when the status bar shows Error, the test is clicked to retry, and if the test is still Error, the reason is searched. Click is completed and calibration is completed. The operation is repeated, and calibration is performed for each channel. Fig. 8 is a wiring diagram of a 3-wire thermal resistance input module.
3. Calibration of analog output module
FIG. 9 is a schematic diagram of calibration of an analog output module, wherein the calibration of the analog output module is similar to that of an analog input module, a module to be calibrated is inserted into an idle slot of the 7-slot rack, a PC with configuration software installed is started, the PC is connected with an Ethernet module 300 of a test device through a network cable, the PC and the Ethernet module 300 are arranged in the same network segment, related software is started, the PC is connected with the test device, the configuration software is started, the module to be calibrated is added into the project of the test device, and the module cannot be configured. And entering a check page of the module, wherein the check page records the time of the last successful calibration of the module and the calibration result.
The output channels of the analog output module are connected with the standard signal detection instrument, and the analog output module can be connected with a single channel or multiple channels, and depends on the number of the standard signal detection instruments. Firstly, performing low-end calibration, detecting a real-time output value of the low end of a channel by a module of a standard signal detection instrument, filling the value into a check page record reference column, clicking a next step, automatically adjusting the low-end output value of the output channel of the module by the module to be checked, displaying OK on a status column when the low-end calibration of the channel is successful, displaying Error on the status column, clicking for retry, and retrying, if the low-end calibration is still Error, searching for reasons, and easily causing calibration failure when the detection precision Error of the standard signal detection instrument is large or wiring problem, and checking the precision of the detection instrument or wiring of the standard detection instrument and the output channel of the module. And when the status bar shows OK to indicate that the channel calibration is successful, when the status bar shows Error, clicking to retry, and trying again, if the Error is still Error, the Error between the value detected by the standard signal detection instrument and the actual output value of the module output channel is larger, calibration failure is easy to be caused, and the precision of the standard signal detection instrument or the wiring between the standard signal standard detection instrument and the module output channel is checked to find out the failure reason. Click is completed and calibration is completed. The operation is repeated, and calibration is performed for each channel. FIG. 10 is a wiring diagram of an analog output module, which is an 8-channel analog output module, channel numbers 0-7, terminal numbers VOUT-X (X represents 0-7) representing voltage outputs, IOUT-X (X represents 0-7) representing current outputs, and RTN is the signal negative electrode. The voltage output connection is shown in fig. 10.
4. Test case of third party communication module
The national pipe network station instrument automatic control system uses a plurality of third party communication modules, the maintenance of the third party communication modules is a weak link of the system maintenance of a company, some damage situations can occur to some third party communication modules along with the time extension, the modules cannot be directly replaced unlike the common input/output modules, the new modules need to be imported into the configuration files of the third party communication modules, and the replaced modules can be normally used. The prior module fails and needs to be processed by a system integrator, so that the configuration of the module can be conveniently imported into a new module by the device, and the failed module can be replaced on site. The following is an implementation of MVI56E profile importation in communication with a valve.
As shown in fig. 11, a third party communication module to be tested is inserted into an idle slot of the 7-slot rack, a PC with configuration software installed is started, the PC is connected with an ethernet module 300 of a test device through a network cable, a default IP address is set when an MVI56E module is newly shipped or the IP address is set after the module is used, the third party communication module is inserted into the idle slot of the test device, the IP address of the module can be checked through a liquid crystal screen of the module after the device is powered on, the PC and the ethernet module 300 of the device are arranged in the same network segment as the third party communication module, related software is started, the PC is connected with the test device, the configuration software is started, and the module to be verified is added into the engineering of the device.
The PC is connected with the third party communication module in 2 connection modes, wherein (1) the Ethernet port of the PC is directly connected with the Ethernet port of the third party communication module through a network cable; (2) The third party communication module is connected through the frame by the ethernet module 300 of the test device. The 2 connection modes can provide detection of the third party communication module, and the device provides 2 options for checking the third party communication module.
After the PC is successfully connected with the third-party communication module, the configuration software of the third-party communication module pre-installed in the PC is started, the configuration file of the third-party communication module can be downloaded into the third-party communication module, after the configuration file is downloaded into the third-party communication module, the third-party communication module with the module configuration file downloaded can be directly pulled out of the stand of the test device, the third-party communication module with faults in the station is replaced, the replacement mode is to take corresponding safety measures for field production equipment controlled by the third-party communication module, the faulty third-party communication module is directly pulled out of the stand of the station control system, the configured new third-party communication module is inserted into a groove of the installation stand of the faulty third-party communication module, and the replacement of the module is completed. The device can also be used for programming test of the third-party communication equipment through the third-party communication module configuration software, the PC provided with the third-party communication module configuration software is used for connecting the device through the Ethernet module of the device, and the third-party communication module configuration software is used for configuring the third-party communication module. The device can be used as a training platform for programming various configurations.
Fig. 12 is a schematic diagram of a third party communications module MVI56E, which has 3 interfaces, the upper interface is an ethernet configuration port, and the lower 2 interfaces are modbus serial ports of a bus system, which are connected to a site modbus device.
Preferably, in any of the above embodiments, according to the inspection type of the PLC module to be detected, the process of detecting the PLC module to be detected is:
and connecting any channel of the PLC module to be detected with a pre-established standard signal generator, performing low-end calibration on the PLC module to be detected, displaying a calibration result on a status bar of configuration software in a PC (personal computer) provided with configuration software supporting the PLC controller and other modules of the device, and performing high-end calibration after the low-end calibration is passed, so as to finish detection on all channels of the PLC controller to be detected.
Preferably, in any of the above embodiments, the inspection type of the PLC controller to be detected includes:
and checking the thermal resistance module, checking the analog quantity input module and checking the analog quantity output module.
Preferably, in any of the above embodiments, a rack is further included, and the power module 100, the PLC module to be detected, the PLC controller module 200, and the ethernet module 300 are mounted on the rack.
As shown in fig. 2, a method for detecting a PLC module includes:
detecting the PLC module to be detected according to the detection type of the PLC module to be detected;
providing a channel for the interaction between the PLC 200 and PC data provided with configuration software supporting the PLC 200 through an Ethernet module 300;
the power module 100 supplies power to the PLC module to be detected, the PLC controller module 200, and the ethernet module 300.
In some possible embodiments, the system has simple structure and strong functions, can be used as a verification platform of the module, can also be used for maintaining and configuring a third party communication module of a station yard, and can also be used as a simple training platform so that related maintenance technicians can know the knowledge of related systems.
Preferably, in any of the above embodiments, according to the inspection type of the PLC module to be detected, the process of detecting the PLC module to be detected is:
and connecting any channel of the PLC module to be detected with a pre-established standard signal generator, performing low-end calibration on the PLC controller to be detected, displaying a calibration result on a status bar of configuration software in a PC, and performing high-end calibration after the low-end calibration is passed, so as to finish detection on all channels of the PLC module to be detected.
Preferably, in any of the above embodiments, the inspection type of the PLC module to be detected includes:
and checking the thermal resistance module, checking the analog quantity input module and checking the analog quantity output module.
Preferably, in any of the above embodiments, a rack is further included, and the power module 100, the PLC module to be detected, the PLC controller module 200, and the ethernet module 300 are mounted on the rack.
The other technical scheme for solving the technical problems is as follows: a storage medium having instructions stored therein which, when read by a computer, cause the computer to perform the method of any of the preceding claims.
In some possible embodiments, the system has simple structure and strong functions, can be used as a verification platform of the module, can also be used for maintaining and configuring a third party communication module of a station yard, and can also be used as a simple training platform so that related maintenance technicians can know the knowledge of related systems.
The other technical scheme for solving the technical problems is as follows: an electronic device includes the storage medium and a processor executing instructions within the storage medium.
In some possible embodiments, the system has simple structure and strong functions, can be used as a verification platform of the module, can also be used for maintaining and configuring a third party communication module of a station yard, and can also be used as a simple training platform so that related maintenance technicians can know the knowledge of related systems.
The reader will appreciate that in the description of this specification, a description of terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the method embodiments described above are merely illustrative, e.g., the division of steps is merely a logical function division, and there may be additional divisions of actual implementation, e.g., multiple steps may be combined or integrated into another step, or some features may be omitted or not performed.
The above-described method, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application is essentially or a part contributing to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods of the embodiments of the present application. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-only memory (ROM), a random access memory (RAM, randomAccessMemory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The present application is not limited to the above embodiments, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the present application, and these modifications and substitutions are intended to be included in the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (10)
1. A detection system for a PLC module, comprising: the system comprises a power supply module, a PLC controller module and an Ethernet module;
the power module is used for: supplying power to the PLC module to be detected, the PLC controller module and the Ethernet module;
the PLC controller module is used for: detecting the PLC module to be detected according to the detection type of the PLC module to be detected;
the Ethernet module is used for: and providing a channel for data interaction between the controller module and the PC with the pre-installed configuration software.
2. The system according to claim 1, wherein when any channel of the PLC module to be detected is connected to a pre-established standard signal generator, the controller module performs low-end calibration on the PLC module to be detected, displays a calibration result on a status bar of the configuration software, and performs high-end calibration after the low-end calibration passes until detection of all channels of the PLC module to be detected is completed.
3. The system for inspecting a PLC module according to claim 1, wherein the inspection type of the PLC module to be inspected comprises:
and checking the thermal resistance module, checking the analog quantity input module and checking the analog quantity output module.
4. The system for detecting a PLC module according to claim 1, further comprising a rack, wherein the power module, the PLC module to be detected, the PLC controller module, and the ethernet module are mounted on the rack.
5. The detection method of the PLC module is characterized by comprising the following steps of:
detecting the PLC module to be detected according to the detection type of the PLC module to be detected;
providing a channel for carrying out data interaction between the PLC and a PC with pre-installed configuration software through an Ethernet module;
and the power supply module supplies power to the PLC controller, the PLC module to be detected and the Ethernet module.
6. The method for detecting a PLC module according to claim 5, wherein the detecting the PLC module according to the type of the PLC module to be detected comprises:
and connecting any channel of the PLC module to be detected with a pre-established standard signal generator, performing low-end calibration on the PLC module to be detected, displaying a calibration result on a status bar of configuration software pre-installed in a PC, and performing high-end calibration after the low-end calibration is passed, so as to finish detection on all channels of the PLC module to be detected.
7. The method for detecting a PLC module according to claim 5, wherein the type of inspection of the PLC module to be detected includes:
and checking the thermal resistance module, checking the analog quantity input module and checking the analog quantity output module.
8. The method of claim 5, further comprising a rack, wherein the power module, the PLC module to be tested, the PLC controller module, and the ethernet module are mounted on the rack.
9. A storage medium having stored therein instructions which, when read by a computer, cause the computer to perform the method of any of claims 1 to 4.
10. An electronic device comprising the storage medium of claim 9, a processor executing instructions within the storage medium.
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| CN202310857821.6A CN116859817A (en) | 2023-07-13 | 2023-07-13 | Detection system, method, medium and equipment of PLC module |
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