CN108984382A - Nuclear power station simulator I/O channel fault simulation method and device - Google Patents
Nuclear power station simulator I/O channel fault simulation method and device Download PDFInfo
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- CN108984382A CN108984382A CN201810836114.8A CN201810836114A CN108984382A CN 108984382 A CN108984382 A CN 108984382A CN 201810836114 A CN201810836114 A CN 201810836114A CN 108984382 A CN108984382 A CN 108984382A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3466—Performance evaluation by tracing or monitoring
- G06F11/3485—Performance evaluation by tracing or monitoring for I/O devices
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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
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
- G06F11/261—Functional testing by simulating additional hardware, e.g. fault simulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a method and a device for simulating the faults of an I/O channel of a nuclear power station simulator, wherein the method for simulating the faults of the I/O channel of the power station simulator comprises the following steps: constructing an I/O channel data stream transmission protocol message; if the nuclear power station simulator operates in a normal working condition working mode, sending the constructed data stream transmission protocol message to a DCS simulation server; if a specific I/O channel fault needs to be simulated, intercepting a constructed data stream transmission protocol message sent to a DCS simulation server; and fault filling is carried out on the constructed data stream transmission protocol message according to the fault requirement inserted into the teaching console of the nuclear power plant simulator. The method for simulating the faults of the I/O channel of the nuclear power station simulator, disclosed by the invention, can solve the problem of simulation distortion of the I/O channel of the nuclear power station simulator, reduce the complexity of software design and greatly improve the simulation performance of the nuclear power station simulator.
Description
Technical field
The present invention relates to the emulation fields of nuclear power station DCS communication control posts, especially with regard to a kind of nuclear power plant analog machine
I/O channel failure analogy method and device.
Background technique
Nuclear power plant analog machine using the mode of software realization simulate a large amount of channel I/O of nuclear power unit (including operating office, control
Make station, gateway, I/O module and hardwire), the data of all channel transfers are encapsulated in by Level0 layers of emulation server of nuclear power station
Nuclear power station DCS emulation server is sent in network message.In actual set, when channel is broken down, belong to related channel program
Data will be unable to normal transmission, corresponding instrument is shown as " * * * " at Level2 layers of DCS server, at the same by operating office, control
System is stood, the status indicator of gateway is failure, in the Level2 layers of displays alarm of DCS server.In nuclear power plant analog machine, lead to
It crosses and simulates the mode of I/O channel failure status set, although in Level2 layers of display relevant device failure of DCS server and touching
Hair alarm, but there are data can normal transmission and relevant control, relay protective scheme energy works fine analog distortion ask
Topic.If emulated according to the software and hardware structure in the practical channel I/O, there are heavy workloads, dock with Level0 layer interface
Excessively complicated problem, and the failure mode complexity that there is insertion is not easy the defects of restoring.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of nuclear power plant analog machine I/O channel failure analogy methods, are able to solve core
Power station analog machine I/O channel analogy problem of dtmf distortion DTMF reduces software design complexity, improves the simulation performance of nuclear power plant analog machine.
Another object of the present invention is to provide a kind of nuclear power plant analog machine I/O channel failure simulator.
To achieve the above object, the present invention provides a kind of nuclear power plant analog machine I/O channel failure analogy method, the power stations
Analog machine I/O channel failure analogy method includes the following steps: to construct I/O channel data stream transmission protocol message；If nuclear power
Analog machine of standing operates under nominal situation operating mode, then the data stream transmitting protocol massages after construction is sent to DCS and imitated
True server；If necessary to simulate specific I/O channel failure, then the number being sent to after the construction of DCS emulation server is intercepted and captured
According to flow host-host protocol message；And the failure requirements of control platform insertion are taught to spread the data after construction according to nuclear power plant analog machine
Defeated protocol massages carry out failure filling.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure analogy method further include: if necessary to mould
Quasi- entire communication station failure, then according to the big small character of data type in the I/O channel data stream transmission protocol message after construction
Section and communication station number, navigate to the data block address at communication malfunction station；All data within the scope of data block address are carried out
Failure filling, obtains the data stream transmitting protocol massages filled by failure；And the data stream transmitting that will be filled by failure
Protocol massages are sent to DCS emulation server.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure analogy method further include: if necessary to mould
I/O module failure in the operating office of quasi- analog machine then navigates to address block start offset address according to communication station number；According to I/
The offset address range that O malfunctioning module includes positions data flow to be treated；Failure is carried out to data flow to be treated to fill out
It fills, obtains the data stream transmitting protocol massages filled by failure；And the data stream transmitting agreement report that will be filled by failure
Text is sent to DCS emulation server.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure analogy method further include: if necessary to mould
A channel failure under quasi- analog machine I/O module, then according to address table address, determine station number address belonging to a channel and
Start offset address；Data Position is determined according to the target offset address in channel and size length；To identified data
Data flow at position carries out failure filling, obtains the data stream transmitting protocol massages filled by failure；And it will be by event
The data stream transmitting protocol massages of barrier filling are sent to DCS emulation server.
In a preferred embodiment, wherein the I/O channel data stream transmission protocol message after constructing includes data
Size of type field, communication station number and data block.
The present invention provides a kind of nuclear power plant analog machine I/O channel failure simulators, comprising: for constructing the channel I/O
The unit of data stream transmitting protocol massages, wherein the I/O channel data stream transmission protocol message after constructing includes data type
Size field, communication station number and data block；It, will if operated under nominal situation operating mode for nuclear power plant analog machine
Data stream transmitting protocol massages after construction are sent to the unit of DCS emulation server；And for special if necessary to simulate
Fixed I/O channel failure then executes the following unit operated: intercepting and capturing the data flow being sent to after the construction of DCS emulation server
Transmission protocol message；Teach the failure requirements of control platform insertion to the data stream transmitting agreement report after construction according to nuclear power plant analog machine
Text carries out failure filling.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure simulator further include: if for needing
Entire communication station failure is simulated, then executes the following unit operated: according to the I/O channel data flow host-host protocol after construction
Data type size field and communication station number in message, navigate to the data block address at communication malfunction station；By data block
All data within the scope of location carry out failure filling, obtain the data stream transmitting protocol massages filled by failure；And it will be through
The data stream transmitting protocol massages for crossing failure filling are sent to DCS emulation server.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure simulator further include: if for needing
The I/O module failure in the operating office of analogsimulation machine is wanted, then executes the following unit operated: navigating to ground according to communication station number
Location block start offset address；Data flow to be treated is positioned according to the offset address range that I/O malfunctioning module includes；To needs
The data flow of processing carries out failure filling, obtains the data stream transmitting protocol massages filled by failure；And failure will be passed through
The data stream transmitting protocol massages of filling are sent to DCS emulation server.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure simulator further include: if for needing
A channel failure under analogsimulation machine I/O module is wanted, then executes the following unit operated: according to address table address, being determined
Station number address and start offset address belonging to one channel；It is determined according to the target offset address in channel and size length
Data Position；Failure filling is carried out to the data flow at identified Data Position, obtains spreading by the data that failure is filled
Defeated protocol massages；And DCS emulation server will be sent to by the data stream transmitting protocol massages of failure filling.
In a preferred embodiment, wherein the I/O channel data stream transmission protocol message after constructing includes data
Size of type field, communication station number and data block.
Compared with prior art, nuclear power plant analog machine I/O channel failure analogy method according to the present invention and device have
Following advantage: in the case of the present invention realizes simulation nuclear power station I/O channel abnormal, the affiliated data point in channel is in DCS service of simulation
The logic that control, the protection of Level1 layers of device participation calculate degrades or the simulation of failure trigger；It is logical to realize simulation nuclear power station I/O
Under road abnormal conditions, the simulation abnormal in Level2 layers of DCS emulation server display of the upstream instrument of the affiliated data point in channel.This
The method of invention realizes that the degree of coupling is low, haves no need to change the original software architecture of DCS emulation server, and it is imitative to have no need to change DCS
The software realization in the true original emulation channel I/O of server, can greatly improve the simulation performance of nuclear power plant analog machine.
Detailed description of the invention
Fig. 1 is method flow diagram according to an embodiment of the present invention；
Fig. 2 is I/O data address table according to an embodiment of the present invention；
Fig. 3 is the schematic diagram of fault data filling according to an embodiment of the present invention；
Fig. 4 is transmission protocol message model schematic according to an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in fig. 1, nuclear power plant analog machine I/O channel failure analogy method packet according to the preferred embodiment of the present invention
Include following steps: step 101: construction I/O channel data stream transmission protocol message；Step 102: if nuclear power plant analog machine is just
It is operated under normal operating condition operating mode, then the data stream transmitting protocol massages after construction is sent to DCS emulation server；Step
103: simulating specific I/O channel failure if necessary, then intercept and capture the data after being sent to the construction of DCS emulation server and spread
Defeated protocol massages；And step 104: teach the failure requirements of control platform insertion to the data flow after construction according to nuclear power plant analog machine
Transmission protocol message carries out failure filling.
In above scheme, nuclear power plant analog machine I/O channel failure analogy method further include: if necessary to simulate entire communication
Station failure, then according to the data type size field and communication in the I/O channel data stream transmission protocol message after construction
Station number navigates to the data block address at communication malfunction station；All data within the scope of data block address are subjected to failure filling, are obtained
To the data stream transmitting protocol massages by failure filling；And it will be sent by the data stream transmitting protocol massages of failure filling
Give DCS emulation server.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure analogy method further include: if necessary to mould
I/O module failure in the operating office of quasi- analog machine then navigates to address block start offset address according to communication station number；According to I/
The offset address range that O malfunctioning module includes positions data flow to be treated；Failure is carried out to data flow to be treated to fill out
It fills, obtains the data stream transmitting protocol massages filled by failure；By the data stream transmitting protocol massages hair by failure filling
Give DCS emulation server.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure analogy method further include: if necessary to mould
A channel failure under quasi- analog machine I/O module, then according to address table address, determine station number address belonging to a channel and
Start offset address；Data Position is determined according to the target offset address in channel and size length；To identified data
Data flow at position carries out failure filling, obtains the data stream transmitting protocol massages filled by failure；It will be filled out by failure
The data stream transmitting protocol massages filled are sent to DCS emulation server.
The present invention provides a kind of nuclear power plant analog machine I/O channel failure simulator, the channels nuclear power plant analog machine I/O
Failure simulation device includes: the unit for constructing I/O channel data stream transmission protocol message, wherein the I/O after constructing is logical
Track data flow host-host protocol message includes data type size field, communication station number and data block；If for nuclear power station mould
Quasi- machine operates under nominal situation operating mode, then the data stream transmitting protocol massages after construction is sent to DCS emulation clothes
The unit of business device；And for simulating specific I/O channel failure if necessary, then executes the following unit operated: intercepting and capturing hair
Data stream transmitting protocol massages toward after the construction of DCS emulation server；The event of control platform insertion is taught according to nuclear power plant analog machine
Barrier requires to carry out failure filling to the data stream transmitting protocol massages after construction.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure simulator further include: if for needing
Entire communication station failure is simulated, then executes the following unit operated: according to the I/O channel data flow host-host protocol after construction
Data type size field and communication station number in message, navigate to the data block address at communication malfunction station；By data block
All data within the scope of location carry out failure filling, obtain the data stream transmitting protocol massages filled by failure；And it will be through
The data stream transmitting protocol massages for crossing failure filling are sent to DCS emulation server.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure simulator further include: if for needing
The I/O module failure in the operating office of analogsimulation machine is wanted, then executes the following unit operated: navigating to ground according to communication station number
Location block start offset address；Data flow to be treated is positioned according to the offset address range that I/O malfunctioning module includes；To needs
The data flow of processing carries out failure filling, obtains the data stream transmitting protocol massages filled by failure；And failure will be passed through
The data stream transmitting protocol massages of filling are sent to DCS emulation server.
In a preferred embodiment, nuclear power plant analog machine I/O channel failure simulator further include: if for needing
A channel failure under analogsimulation machine I/O module is wanted, then executes the following unit operated: according to address table address, being determined
Station number address and start offset address belonging to one channel；It is determined according to the target offset address in channel and size length
Data Position；Failure filling is carried out to the data flow at identified Data Position, obtains spreading by the data that failure is filled
Defeated protocol massages；And DCS emulation server will be sent to by the data stream transmitting protocol massages of failure filling.
In a preferred embodiment, wherein the I/O channel data stream transmission protocol message after constructing includes data
Size of type field, communication station number and data block.
Fig. 2 is I/O data address table according to an embodiment of the present invention.It, will if simulating NM470 module failure
The data of 78 to 94 address of offset of data block carry out failure filling (as shown in Figure 3) where the module, then re-send to
DCS emulation server.
Fig. 4 is transmission protocol message model schematic according to an embodiment of the present invention.As shown, transport protocol report
Literary model includes the data such as the value of application datagrams head, data type size, the station of Class1, variable 1.The transmission protocol message
Stringent address distribution has been carried out to the address range at the station I/O under data classification, data classification.Meanwhile under each station
The address offset of I/O point provided.Therefore, when needing to simulate I/O channel failure, it is only necessary to the channel pair I/O
The address range or deviation range answered carry out the corresponding data processing i.e. true I/O channel failure of analog.Such as data pass
The I/O failures such as defeated interruption, string code, data distortion.
System of the invention includes 0 layer of emulation server of nuclear power station level, 0 layer of emulation server of nuclear power station level to
Nuclear power station DCS emulation server sends datagram.Under normal circumstances, 0 layer of emulation server of nuclear power station level is to nuclear power
DCS emulation server of standing is sent without the data message by failure filling.When receiving religion control platform channel failure emulator command,
Data message is handled according to data protocol and processing model, the data address in combination failure channel, analog channel event
Barrier.
I/O channel failure simulation softward works under network layer, correct situation, which only monitors Level0 layers of emulation clothes
The data communication being engaged between device and DCS emulation server；When needing to be inserted into failure, the I/O channel failure simulated as needed
Type and range quickly calculate the corresponding data address range of faulty channel, then basis in conjunction with transmission protocol message model
Transmission protocol message carries out communicating interrupt, data distortion to the data within the scope of offset address, outranges and waits troubleshootings.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (10)
1. a kind of nuclear power plant analog machine I/O channel failure analogy method, which is characterized in that the channel the nuclear power plant analog machine I/O
Failure simulation method includes the following steps:
Construct I/O channel data stream transmission protocol message；
If nuclear power plant analog machine operates under nominal situation operating mode, by the data stream transmitting protocol massages after construction
It is sent to DCS emulation server；
If necessary to simulate specific I/O channel failure, then the data being sent to after the construction of the DCS emulation server are intercepted and captured
Flow host-host protocol message；And
According to nuclear power plant analog machine teach control platform insertion failure requirements to the data stream transmitting protocol massages after the construction into
The filling of row failure.
2. nuclear power plant analog machine I/O channel failure analogy method as described in claim 1, which is characterized in that the nuclear power station
Analog machine I/O channel failure analogy method further include:
If necessary to simulate entire communication station failure, then according in the I/O channel data stream transmission protocol message after construction
Data type size field and communication station number, navigate to the data block address at communication malfunction station；
All data within the scope of the data block address are subjected to failure filling, obtain the data stream transmitting filled by failure
Protocol massages；And
The DCS emulation server will be sent to by the data stream transmitting protocol massages of failure filling.
3. nuclear power plant analog machine I/O channel failure analogy method as described in claim 1, which is characterized in that the nuclear power station
Analog machine I/O channel failure analogy method further include:
If necessary to the I/O module failure in the operating office of analogsimulation machine, then address block starting is navigated to according to communication station number
Offset address；
Data flow to be treated is positioned according to the offset address range that I/O malfunctioning module includes；
Failure filling is carried out to the data flow to be treated, obtains the data stream transmitting protocol massages filled by failure；
And
The DCS emulation server will be sent to by the data stream transmitting protocol massages of failure filling.
4. nuclear power plant analog machine I/O channel failure analogy method as described in claim 1, which is characterized in that the nuclear power station
Analog machine I/O channel failure analogy method further include:
If necessary to a channel failure under analogsimulation machine I/O module, then according to address table address, determine one logical
Station number address and start offset address belonging to road；
Data Position is determined according to the target offset address in one channel and size length；
Failure filling is carried out to the data flow at identified Data Position, obtains the data stream transmitting agreement filled by failure
Message；And
The DCS emulation server will be sent to by the data stream transmitting protocol massages of failure filling.
5. nuclear power plant analog machine I/O channel failure analogy method as described in claim 1, which is characterized in that wherein, construct it
I/O channel data stream transmission protocol message afterwards includes data type size field, communication station number and data block.
6. a kind of nuclear power plant analog machine I/O channel failure simulator, which is characterized in that the channel the nuclear power plant analog machine I/O
Failure simulation device includes:
For constructing the unit of I/O channel data stream transmission protocol message, wherein the I/O channel data stream transmission after constructing
Protocol massages include data type size field, communication station number and data block；
If operated under nominal situation operating mode for nuclear power plant analog machine, by the data stream transmitting agreement after construction
Message is sent to the unit of DCS emulation server；And
For simulating specific I/O channel failure if necessary, then the following unit operated is executed:
Intercept and capture the data stream transmitting protocol massages being sent to after the construction of the DCS emulation server；
According to nuclear power plant analog machine teach control platform insertion failure requirements to the data stream transmitting protocol massages after the construction into
The filling of row failure.
7. nuclear power plant analog machine I/O channel failure simulator as claimed in claim 6, which is characterized in that the nuclear power station
Analog machine I/O channel failure simulator further include:
For if necessary to simulate entire communication station failure, then executing the following unit operated:
According to the data type size field in the I/O channel data stream transmission protocol message after construction and station number is communicated,
Navigate to the data block address at communication malfunction station；
All data within the scope of the data block address are subjected to failure filling, obtain the data stream transmitting filled by failure
Protocol massages；And
The DCS emulation server will be sent to by the data stream transmitting protocol massages of failure filling.
8. nuclear power plant analog machine I/O channel failure simulator as claimed in claim 6, which is characterized in that the nuclear power station
Analog machine I/O channel failure simulator further include:
For if necessary to the I/O module failure in the operating office of analogsimulation machine, then executing the following unit operated:
Address block start offset address is navigated to according to communication station number；
Data flow to be treated is positioned according to the offset address range that I/O malfunctioning module includes；
Failure filling is carried out to the data flow to be treated, obtains the data stream transmitting protocol massages filled by failure；
And
The DCS emulation server will be sent to by the data stream transmitting protocol massages of failure filling.
9. nuclear power plant analog machine I/O channel failure simulator as claimed in claim 6, which is characterized in that the nuclear power station
Analog machine I/O channel failure simulator further include:
For if necessary to a channel failure under analogsimulation machine I/O module, then executing the following unit operated:
According to address table address, station number address and start offset address belonging to one channel are determined；
Data Position is determined according to the target offset address in one channel and size length；
Failure filling is carried out to the data flow at identified Data Position, obtains the data stream transmitting agreement filled by failure
Message；And
The DCS emulation server will be sent to by the data stream transmitting protocol massages of failure filling.
10. nuclear power plant analog machine I/O channel failure simulator as claimed in claim 6, which is characterized in that wherein, construction
I/O channel data stream transmission protocol message later includes data type size field, communication station number and data block.
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