CN108021125A - Industrial system signal of communication detecting system - Google Patents
Industrial system signal of communication detecting system Download PDFInfo
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- CN108021125A CN108021125A CN201711461317.5A CN201711461317A CN108021125A CN 108021125 A CN108021125 A CN 108021125A CN 201711461317 A CN201711461317 A CN 201711461317A CN 108021125 A CN108021125 A CN 108021125A
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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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
A kind of industrial system signal of communication detecting system, including：Input-output equipment, for receiving polytype signal of communication based on different communication protocol from assessment equipment to be detected；Check and evaluation equipment, the signal of communication is assessed for the waveforms detection of the waveform based on preset reference signal and the signal of communication；The input-output equipment communicates to connect the assessment equipment to be detected and the check and evaluation equipment respectively.Implement the industrial system signal of communication detecting system of the present invention, input-output equipment can receive polytype signal of communication, and signal of communication described in waveform appraisal of the check and evaluation equipment based on preset reference signal and the signal of communication, type without regard to signal of communication, therefore equipment needed for is few, deployment is simple, and cost is relatively low, and integrated degree is high.
Description
Technical field
The present invention relates to signal of communication detection, more specifically to a kind of industrial system signal of communication detecting system.
Background technology
Various automation control systems have been widely used for industrial circle, typical such as DCS, SCADA, PLC system.
These systems are carried out data transmission using various field bus communication technologies, common are Modbus, Profibus,
LonWorks, FF, CAN, Hart, Industrial Ethernet etc..Since industrial environment is complicated, signal of communication in transmitting procedure,
Influenced by factors such as electromagnetic interference, communication distance, wire laying mode, noise, vibration, power supply, multisystem crosslinking couplings, in fact it could happen that
Phenomena such as signal jitter, drift, distortion, cause functions of the equipments behavior not to be inconsistent with expection, cause system logic chaotic, malfunction,
Failure is controlled, by the safe and stable operation of the system of influence when serious.It is therefore desirable to system signal of communication is detected.
Need to know the bus and its communication protocols used in industrial system to the detection method of industrial system signal of communication at present
View, then tested and analyzed by corresponding analyzer, different communication bus or agreement need to use different analyzers.However,
Due to the communication bus interface type of industrial circle, agreement is different and species is more, and the prior art is to industrial system signal of communication
Need more using equipment, deployment is complicated, and cost is higher, and the detection and analysis based on agreement cannot divide communication quality
Analysis, it is difficult to scent a hidden danger.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, there is provided a kind of logical without understanding
Believe the communication protocol of signal, the industrial system signal of communication detection system that can be detected to the signal of communication of various communication protocols
System.
The technical solution adopted by the present invention to solve the technical problems is：Construct a kind of industrial system signal of communication detection system
System, including：
Input-output equipment, for receiving polytype communication based on different communication protocol from assessment equipment to be detected
Signal；
Check and evaluation equipment, institute is assessed for the waveforms detection of the waveform based on preset reference signal and the signal of communication
State signal of communication；
The input-output equipment communicates to connect the assessment equipment to be detected and the check and evaluation equipment respectively.
In industrial system signal of communication detecting system of the present invention, the input-output equipment includes：
Communication line module, it is described logical to receive for communicating to connect a plurality of communication line of a variety of assessment equipments to be detected
Believe signal；
Analog input and output module, for receiving analog communication signal；
Digital quantity input/output module, for receiving digital communication signal；
The analog input and output module and the digital quantity input/output module respectively with the communication line module
Communication connection.
In industrial system signal of communication detecting system of the present invention, the communication line module includes wire connection terminal
Box, the first communication cable, the second communication cable and more signal lines, it is defeated that first communication cable communicates to connect the analog quantity
Enter output module and the connecting terminal box, second communication cable communicates to connect the digital quantity input/output module and institute
Connecting terminal box is stated, the connecting terminal box and a communication line are connected respectively per signal line.
In industrial system signal of communication detecting system of the present invention, the analog input and output module includes mould
Intend voltage signal interface and analog current signal interface.
In industrial system signal of communication detecting system of the present invention, the analog voltage signal interface and the mould
Intend current signal interface includes multiple communication ports being arranged in first communication cable respectively.
In industrial system signal of communication detecting system of the present invention, the digital quantity input/output module includes opening
OFF signal interface and pulse signal interface.
In industrial system signal of communication detecting system of the present invention, the switching signal interface and pulse letter
Number interface includes multiple communication ports being arranged in second communication cable respectively.
In industrial system signal of communication detecting system of the present invention, the check and evaluation equipment includes：
Communication module, for receiving polytype signal of communication from the input-output equipment；
Sort module, for polytype signal of communication described in the classification of type according to signal of communication；
Inspection module, for by sorted signal of communication and similar preset reference signal carry out waveform comparison analysis with
Assess the signal of communication.
In industrial system signal of communication detecting system of the present invention, the check and evaluation equipment further comprises：
Playback module, for the signal of communication prerecorded to be played back to described treat by the input-output equipment
Check and evaluation equipment is to detect the industrial system.
In industrial system signal of communication detecting system of the present invention, the communication module includes multiple external components
Interconnection standards slot；The analog input and output module and the digital quantity input/output module include multiple peripheral hardware portions respectively
Part interconnection standards interface；The Peripheral Component Interconnect standard interface is inserted into the peripheral hardware portion by Peripheral Component Interconnect STD bus
Part interconnection standards slot.
Implement the industrial system signal of communication detecting system of the present invention, input-output equipment can receive polytype logical
Letter signal, and signal of communication described in waveform appraisal of the check and evaluation equipment based on preset reference signal and the signal of communication,
Without regard to the type of signal of communication, therefore required equipment is few, and deployment is simple, and cost is relatively low, and integrated degree is high.Further
Ground, a plurality of line channel can support polytype signal of communication, and different types of signal of communication is detected at the same time and is commented
Estimate.Yet further, the stability for effectively and reliably detecting industrial system can be played back based on signal of communication, effectively realizes and comments
Estimate detection integration.
Brief description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the functional block diagram of the first embodiment of the industrial system signal of communication detecting system of the present invention；
Fig. 2 is the functional block diagram of the second embodiment of the industrial system signal of communication detecting system of the present invention；
Fig. 3 is the structure of the preferred embodiment of the input-output equipment of the industrial system signal of communication detecting system of the present invention
Schematic diagram.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the functional block diagram of the first embodiment of the industrial system signal of communication detecting system of the present invention.Such as Fig. 1 institutes
Show, industrial system signal of communication detecting system of the invention includes：Input-output equipment 100 and check and evaluation equipment 200.At this
In embodiment, the input-output equipment 100 is communicated to connect with assessment equipment 300 to be detected, to be set from the assessment to be detected
Standby 300 receive polytype signal of communication based on different communication protocol.Such as the assessment equipment to be detected 300 can be
It is common such as programmable logic controller (PLC) PLC, data acquisition and control module, remote-terminal unit RTU, transmitter in industrial system
Etc., it can export the various signals of communication based on different communication protocol.The signal of communication can be analog signals, such as
Voltage signal, current signal or digital quantity signal, such as switching signal, pulse signal etc..These are assisted based on different communication
The various signals of communication of view can send the input-output equipment 100 to by different communication lines.In the present embodiment,
It is various types of to be detected in industrial system so as to connect that the input-output equipment 100 can include multiple communication lines
The communication line of assessment equipment 300 so that receive various types of signals of communication respectively.The input-output equipment 100 can be
Any input/output port that can receive various types of signals of communication, module or circuit interface in this area.
In the present embodiment, the input-output equipment 100 can also include and the matched corresponding letter of these communication lines
Number interface, so that the polytype signal of communication based on different communication protocol that will be received by these signaling interfaces transmits
To check and evaluation equipment 200.The check and evaluation equipment 200 can be industrial computer, processor, or controller etc., its
Reference signal is previously stored with internal storage.These industrial computers, processor, or controller can be carried and inputted
The matched corresponding communication signal interface of signaling interface on output equipment 100, so as to pass through the matching of corresponding signaling interface, peace
Rapidly receive these various types of signals of communication entirely.Various types of communication letters are received in the check and evaluation equipment 200
Number when, it can use built-in comparator or comparison circuit etc. by the waveform of these signals of communication and corresponding default base
The waveform of calibration signal is compared, and is based on signal of communication described in comparative result check and evaluation.One in the present invention is preferred real
Apply in example, the preset reference signal is to be stored in advance in the memory of check and evaluation equipment 200 to prestore signal.
In other preferred embodiments of the present invention, the preset reference signal can be the recording signal recorded in last time detection process,
Or the optimal recording signal obtained during repeated detection.Certainly, those skilled in the art are also an option that other are suitable
Signal is as preset reference signal.
Implement the industrial system signal of communication detecting system of the present invention, input-output equipment can receive polytype logical
Letter signal, and signal of communication described in waveform appraisal of the check and evaluation equipment based on preset reference signal and the signal of communication,
Without regard to the type of signal of communication, therefore required equipment is few, and deployment is simple, and cost is relatively low, and integrated degree is high.
Fig. 2 is the functional block diagram of the second embodiment of the industrial system signal of communication detecting system of the present invention.Such as Fig. 2 institutes
Show, industrial system signal of communication detecting system of the invention includes：Input-output equipment 100 and check and evaluation equipment 200.At this
In embodiment, the input-output equipment 100 is communicated to connect with assessment equipment 300 to be detected, to be set from the assessment to be detected
Standby 300 receive polytype signal of communication based on different communication protocol.Such as the assessment equipment to be detected 300 can be
It is common such as programmable logic controller (PLC) PLC, data acquisition and control module, remote-terminal unit RTU, transmitter in industrial system
Etc., it can export the various signals of communication based on different communication protocol.The signal of communication can be analog signals, such as
Voltage signal, current signal or digital quantity signal, such as switching signal, pulse signal etc..These are assisted based on different communication
The various signals of communication of view can send the input-output equipment 100 to by different communication lines.
In the present embodiment, which includes communication line module 110, analog input and output module
120 and digital quantity input/output module 130.The communication line module 110 can include being used to communicate to connect a variety of to be detected
The a plurality of communication line of assessment equipment 300 is to receive the various signals of communication based on different communication protocol.The analog input
Output module 120 communicates to connect the communication line module 110 to receive analog communication signal.The digital quantity input and output mould
Block 130 communicates to connect the communication line module 110 to receive digital communication signal.
Fig. 3 is the structure of the preferred embodiment of the input-output equipment of the industrial system signal of communication detecting system of the present invention
Schematic diagram.As shown in figure 3, the communication line module 110 may further include connecting terminal box 113, the first communication cable
111st, the second communication cable 112 and more signal lines 114.First communication cable 111 communicates to connect the analog input
Output module 120 and the connecting terminal box 113, second communication cable 112 communicate to connect the digital quantity input and output
Module 130 and the connecting terminal box 113.Such as the assessment equipment to be detected 300 can be in industrial system it is common as
Programmable logic controller (PLC) PLC, data acquisition and control module, remote-terminal unit RTU, transmitter etc., it can export base
In the various signals of communication of different communication protocol, each assessment equipment 300 to be detected can pass through a communication line
310-31N sends a type of signal of communication.And the connecting terminal box 113 is connected respectively per signal line 114
With a communication line 310-31N of assessment equipment 300 to be detected.
In the present embodiment, the analog input and output module 120 includes analog voltage signal interface and analog current
Signaling interface, and the analog voltage signal interface and the analog current signal interface include multiple being arranged on described the respectively
Communication port in one communication cable 111.For example, 8 communication ports can be set, wherein the analog voltage signal interface bag
4 communication ports are included, and the analog current signal interface includes 4 communication ports.Certainly, other in the present invention are preferred real
Apply in example, there can also be other settings.Since the analog input and output module 120 includes analog voltage signal interface and mould
Intend current signal interface, therefore can gather and export the communication that the electric interfaces such as Modbus, Profibus, CAN are DC voltage
The waveform of signal, also can gather and export the communication signal waveforms that the electric interfaces such as Hart are DC current.The digital quantity is defeated
Entering output module 130 includes switching signal interface and pulse signal interface.And the switching signal interface and the pulse signal
Interface includes multiple communication ports being arranged in second communication cable 112 respectively.For example, 16 communications can be set logical
Road, wherein the switching signal interface includes 8 communication ports, and the pulse signal interface includes 8 communication ports.When
So, in other preferred embodiments of the present invention, there can also be other settings.Due to the digital quantity input/output module 130
Including switching signal interface and pulse signal interface, it can gather and export such as infrared induction switch, relay, encoder and set
Standby output waveform.In this way, a plurality of line channel can support polytype signal of communication, and to different types of communication
Signal while check and evaluation.Further, in the present embodiment, the analog input and output module 120 and the digital quantity
Input/output module 130 includes multiple Peripheral Component Interconnect standard (PCI) interfaces respectively.
In the present embodiment, the check and evaluation equipment 200 further comprises：Communication module 210, sort module 220, inspection
Test module 230 and playback module 240.In the present embodiment, communication module 210 is used to receive from the input-output equipment 100
Polytype signal of communication.The check and evaluation equipment 200 can be such as industrial computer, processor or control
Device.The communication module 210 can be provided in any communication interface of the check and evaluation equipment 200.For example, in this implementation
In example, communication module 210 can be corresponded to including multiple PCI slots, so described analog input and output module 120 and the numeral
Amount input/output module 130 can be directly inserted into the PCI slot of check and evaluation equipment 200 by pci bus.In this reality
Apply in example, the sort module 220 can be any sorting circuit, device or module, it can be according to the type of signal of communication
Classify polytype signal of communication.The inspection module 230 can be communicated to connect with the sort module 220, so that
For sorted signal of communication to be assessed the signal of communication with similar standard storage signal progress waveform comparison.It is described
Inspection module 230 can include being used for the comparison circuit or comparator for carrying out waveform comparison, and for exporting assessment result
Output circuit.In the present embodiment, the playback module 240 can be any playback circuitry, device or module, for playing back
The signal of communication is to detect the industrial system.In replayed section, the playback module 240 is by playback signal according to its class
Type is respectively transmitted to the digital quantity input/output module 130 or the analog input and output module 120.And the numeral
Measuring input/output module 130, either the analog input and output module 120 is logical through the first communication cable 111 or second respectively
Communication cable 112 is transmitted to connecting terminal box 113, is then transmitted to corresponding communication line 310-31N through signal wire 114 again, into
And send corresponding assessment equipment to be detected 300 to, and 300 repetitive operation of assessment equipment to be detected, automatic running and then inspection
Survey reliability, the stability of the industrial system.
Below by taking Fig. 2-3 as an example, the principle of the present invention is described as follows.At work, communication line module 110 is by more
Bar communication line receives the various signals of communication based on different communication protocol, and such as voltage, electric current, switch, pulse, are not required to understand
Its specific communication protocol.Then different types of signal is transmitted to check and evaluation equipment 200 by different communication lines.Detection
Assessment equipment 200 can first communication signal waveforms recorded, classified, analyzed, stored, then by itself and similar standard storage
Signal carries out waveform comparison, assess the quality of signal of communication, analyze there may be the problem of and its reason, decision problem occur
Position.Then the waveform for the signal of communication recorded can also be played back, for detecting the behaviour of industrial system
Whether with expected consistent, difference is searched in analysis.By the number of repetition of definition signal wave shape playback, repeat industrial system dynamic
Make, automatic running, with the reliability of checking system, stability.
Therefore, industrial system signal of communication detection system of the invention can be used for the work of the industries such as track traffic, electric power, factory
The detection and inspection of industry system signal of communication behaviour.Such as there are ticket check gate, gate at field of track traffic, each station
Accuracy, reliability, the stability of operation are directly related to the safe operation of user experience, station.Gate internal signal is usual
Including RS485 (Modbus) fieldbus signal, infrared induction switch signal, ethernet signal, these signals are passed through into input
Output equipment 100 accesses check and evaluation equipment 200 and is detected analysis, then by wave shape playback, detects the action behavior of gate
Whether meet the requirements, by wave shape playback that is continuous, repeating, it is automatic test gate for a long time, run without interruption in the case of
Reliability, stability.
Implement the industrial system signal of communication detecting system of the present invention, input-output equipment can receive polytype logical
Letter signal, and signal of communication described in waveform appraisal of the check and evaluation equipment based on preset reference signal and the signal of communication,
Without regard to the type of signal of communication, therefore required equipment is few, and deployment is simple, and cost is relatively low, and integrated degree is high.Further
Ground, a plurality of line channel can support polytype signal of communication, and different types of signal of communication is detected at the same time and is commented
Estimate.Yet further, the stability for effectively and reliably detecting industrial system can be played back based on signal of communication, effectively realizes and comments
Estimate detection integration.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. industrial system signal of communication detecting system, it is characterised in that including：Input-output equipment, for receiving polytype communication letter based on different communication protocol from assessment equipment to be detected Number；Check and evaluation equipment, it is described logical for the assessment of the waveforms detection of the waveform based on preset reference signal and the signal of communication Believe signal；The input-output equipment communicates to connect the assessment equipment to be detected and the check and evaluation equipment respectively.
- 2. industrial system signal of communication detecting system according to claim 1, it is characterised in that the input-output equipment Including：Communication line module, is believed for communicating to connect a plurality of communication line of a variety of assessment equipments to be detected with receiving the communication Number；Analog input and output module, for receiving analog communication signal；Digital quantity input/output module, for receiving digital communication signal；The analog input and output module and the digital quantity input/output module communicate with the communication line module respectively Connection.
- 3. industrial system signal of communication detecting system according to claim 2, it is characterised in that the communication line module Including connecting terminal box, the first communication cable, the second communication cable and more signal lines, the first communication cable communication connection The analog input and output module and the connecting terminal box, second communication cable communicate to connect the digital quantity input Output module and the connecting terminal box, the connecting terminal box and a communication line are connected per signal line respectively.
- 4. industrial system signal of communication detecting system according to claim 3, it is characterised in that the analog input is defeated Going out module includes analog voltage signal interface and analog current signal interface.
- 5. industrial system signal of communication detecting system according to claim 4, it is characterised in that the analog voltage signal Interface and the analog current signal interface include multiple communication ports being arranged in first communication cable respectively.
- 6. industrial system signal of communication detecting system according to claim 3, it is characterised in that the digital quantity input is defeated Going out module includes switching signal interface and pulse signal interface.
- 7. industrial system signal of communication detecting system according to claim 6, it is characterised in that the switching signal interface Include multiple communication ports being arranged in second communication cable respectively with the pulse signal interface.
- 8. industrial system signal of communication detecting system according to claim 2, it is characterised in that the check and evaluation equipment Including：Communication module, for receiving polytype signal of communication from the input-output equipment；Sort module, for polytype signal of communication described in the classification of type according to signal of communication；Inspection module, is analyzed to assess for sorted signal of communication to be carried out waveform comparison with similar preset reference signal The signal of communication.
- 9. industrial system signal of communication detecting system according to claim 8, it is characterised in that the check and evaluation equipment Further comprise：Playback module, it is described to be detected for the signal of communication prerecorded to be played back to by the input-output equipment Assessment equipment is to detect the industrial system.
- 10. industrial system signal of communication detecting system according to claim 9, it is characterised in that the communication module bag Include multiple Peripheral Component Interconnect standard sockets；The analog input and output module and digital quantity input/output module difference Including multiple Peripheral Component Interconnect standard interfaces；The Peripheral Component Interconnect standard interface passes through Peripheral Component Interconnect STD bus It is inserted into the Peripheral Component Interconnect standard sockets.
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| CN201711461317.5A CN108021125A (en) | 2017-12-28 | 2017-12-28 | Industrial system signal of communication detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114115196A (en) * | 2021-11-24 | 2022-03-01 | 国汽智控(北京)科技有限公司 | Method, device, equipment and storage medium for detecting equipment reliability |
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