CN109213096A - Control method, device, system, storage medium and the processor of field device - Google Patents
Control method, device, system, storage medium and the processor of field device Download PDFInfo
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- CN109213096A CN109213096A CN201810962451.1A CN201810962451A CN109213096A CN 109213096 A CN109213096 A CN 109213096A CN 201810962451 A CN201810962451 A CN 201810962451A CN 109213096 A CN109213096 A CN 109213096A
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- field device
- control
- working condition
- individual digit
- dcs
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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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
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33273—DCS distributed, decentralised controlsystem, multiprocessor
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
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Abstract
The present invention relates to the control method of field device, device, system, storage medium and processors.Provide the control method of field device, it include: the working condition that current working status is switched and to be switched to according to the current working status of field device and the operation information determination of dcs, working condition includes multiple operation modes of field device；The individual digit of the working condition for field device is generated according to definitive result, wherein individual digit is used to indicate the corresponding multiple control instructions of working condition；And working condition is switched to using individual digit control field device.The present invention solves in the control of field device, several interface signals are needed to control the change of multiple operation modes of field device, many inconvenience are brought to programming in many field devices of control, the pin for needing to control when writing program is very more, the problem of heavy workload of programming, reduce programming workload, improves programming efficiency.
Description
Technical field
The present invention relates to automation control areas.In particular it relates to live in dcs (DCS)
Control method, device, system, storage medium and the processor of equipment.
Background technique
The process of such as chemistry, gasoline and other manufacturing processes etc includes many field devices to measure and control process
Parameter is to realize effective control of process.These field devices for example can be valve, determine frequency motor, variable-frequency motor and PID
Control module etc..With the emergence and development of the dcs based on microprocessor, distributed electronic process control exists
Leading position is increasingly occupied in process control industry.
In dcs, each field device has many different operation modes, as valve has remotely
Control and local control, manual operation and the operation modes such as it is automatically brought into operation, opens and closes；Determine frequency motor have long-range control and
Local control, manual operation and the operation modes such as it is automatically brought into operation, opens and closes；Variable-frequency motor has long-range control and local control
It system, manual operation and is automatically brought into operation, opens and closes, the outer given and interior operation mould such as given of variable-frequency motor frequency setting value
Formula；PID (proportional-integral-differential) control module have manual operation and be automatically brought into operation, the setting value of pid control module it is interior
The operation modes such as the tracing mode and non-tracking mode of given and outer given, pid control module output.Field device it is each
The change of a operation mode is corresponding to it by an instruction, in this way when doing function program, generally requires several
Interface signal changes to control the operation mode of equipment.For example, needing an instruction control valve by taking the control of valve as an example
It is switched to automatically, in the switch by another instruction control valve.The equipment often controlled it is more programming when
Time brings many inconvenience, and the pin for needing to control when writing program is very more, and the workload of programming is very big.
Summary of the invention
The embodiment of the invention provides the control method of field device in dcs (DCS), device, system,
Medium and processor, in the control at least to solve field device, the state for needing several interface signals to carry out control module changes
Become, so that many inconvenience are brought to programming in many field devices of control, the pipe for needing to control when writing program
Foot is very more, the very big problem of the workload of programming.
According to an aspect of an embodiment of the present invention, the control method of field device is provided, comprising: obtain field device
Current working status；And according to the operation information determination of current working status and dcs by field device
Current working status switching；It is determined also according to the current working status and the operation information of the dcs existing
The field device working condition to be switched to, wherein field device is applied to the field device in dcs, work
State includes multiple operation modes of field device；The single number of the working condition for field device is generated according to definitive result
Word, wherein individual digit is used to indicate the corresponding multiple control instructions of working condition；And it is set using individual digit control scene
It is standby to switch to working condition.
In this way, multiple operation modes that field device is characterized using individual digit, thus in sequence project
It is middle when needing successively to switch over multiple operation modes of field device, it is only necessary to which that issuing individual digit instruction can control
The switching of multiple operation modes of field device.A control is write with the switching for each operation mode is needed in the prior art
System instruction is compared, and greatly reduce control instruction writes number, saves the workload of programming, improves program
Efficiency is write, has saved the manpower and time cost of project, while reducing and the mistakes such as occurring omitting during modification of program.
Further, since being determined whether according to the operation information of the current working status of field device and dcs
It needs to switch the current working status of field device and determines which kind of working condition field device will switch to, so can be quasi-
Really judge whether to need to switch the current working status of field device and determines which kind of work shape field device will switch to
State and the working condition that field device can be adjusted in time, thus it is advantageously ensured that the normal fortune of dcs
Row.
At the scene in one of the control method of equipment schematical embodiment, set using individual digit control scene
Standby to switch to after working condition, this method further includes receiving the feedback information from field device, wherein feedback information is used for
Indicate the working condition of field device；Judge whether the working condition of field device has reached multiple controls and referred to according to feedback information
The demand of order.
In this way, can determine whether actual operating state and the desired mode of operation of field device are consistent,
So as to avoiding the operating mistake of field device, and the mistake of overall operation process caused by can be avoided thus.
At the scene in one of the control method of equipment schematical embodiment, generate according to definitive result for existing
Before the individual digit of the working condition of field device, method further include: corresponding single according to pre-defined rule setting working condition
Number.
In this way, the working condition and corresponding control instruction for needing to use by field device using individual digit
All layout is good, when needing field device being switched to some working condition, it is only necessary to which exporting the individual digit can be realized as
The switching of the working condition of field device.
At the scene in one of the control method of equipment schematical embodiment, work shape is being set according to pre-defined rule
After the corresponding individual digit of state, method further include: store individual digit in the form of matrix table, generated and used according to definitive result
The individual digit of the working condition of equipment includes: the working condition to be switched to according to field device on site, from matrix table
The corresponding individual digit of searching work state.
In this way, individual digit is stored in the form of matrix table, is adjusting individual digit pair according to actual needs
When the working condition answered, it can be easier and easily be rewritten and adjusted, and not interfere with main program, it will not
Generate omission.
At the scene in one of the control method of equipment schematical embodiment, field device is controlled using individual digit
Switching to working condition includes: that individual digit is converted into multiple control instructions；And it is controlled using multiple control instructions existing
Field device switches to working condition.
In this way, number can not be identified to carry out working condition change according to number by solving field device
Problem, and individual digit is converted into multiple control instructions, field device is enabled to identify movement indicated by control instruction,
Consequently facilitating field device carries out the switching of working condition.
At the scene in one of the control method of equipment schematical embodiment, individual digit is converted into multiple controls
Instruction comprises determining that multiple operating modes that working condition corresponding to individual digit includes；And individual digit is converted into
Multiple control instructions corresponding with multiple operating modes respectively.
In this way, the information that individual digit is characterized has been parsed, thus, it is possible to individual digit is converted into scene
The control instruction that equipment can identify.
At the scene in one of the control method of equipment schematical embodiment, multiple operation modes include following mode
In any combination: the long-range control and local control of field device, the manual operation of field device and be automatically brought into operation, scene is set
The outer setting of the running parameter of standby opening and closing, field device and interior setting and the tracing mode of field device and non-
Tracing mode.
In this way it is possible to make it possible to control cutting for the above-mentioned multiple operation modes enumerated by individual digit
It changes.
At the scene in one of the control method of equipment schematical embodiment, individual digit is for controlling field device
For manual operation, automatically switched, opened and closed operation and work manually to field device to be operated by operator
At least the two in the switching of outer setting and the interior setting of parameter.
In this way, can control field device by individual digit is manual operation, and controls manual operation
The concrete operations that are able to carry out of operator, to simplify the control flow to field device.
At the scene in one of the control method of equipment schematical embodiment, individual digit is also used to control scene and sets
It is standby to be controlled to be long-range.
In this way, field device can be controlled as long-range control and manual operation by individual digit, and no longer
The long-range control for field device is needed to send a control instruction and retransmit one for the manual operation of field device
A control instruction, that is, the control instruction of field device remotely controlled will be used for and be used for the manually-operated control of field device
System instruction is reduced to individual digit, reduces the number of writing of control instruction, saves the workload of programming significantly, mention
High program writes efficiency, has saved the manpower and time cost of project, while reducing and occurring during modification of program
The mistakes such as omission.
At the scene in one of the control method of equipment schematical embodiment, individual digit is for controlling field device
It is one of outer setting and interior setting to be automatically brought into operation and controlling the setting means of the running parameter of field device.
In this way, can control field device by individual digit is the work for being automatically brought into operation and controlling field device
Make the setting means of parameter, and no longer needs to send a control instruction and for scene for being automatically brought into operation for field device
The setting means of the running parameter of equipment retransmits a control instruction, that is, will be used for the control of field device being automatically brought into operation
The control instruction of the setting means of instruction and the running parameter for field device is reduced to individual digit, reduces control instruction
Write number, improve the efficiency of writing of program, while the running parameter that can change field device in time rapidly is set
Determine mode, which thereby enhances the overall operation efficiency of dcs.
At the scene in one of the control method of equipment schematical embodiment, individual digit is also used to control scene and sets
It is standby to be opened remotely to control and controlling field device.
In this way, can control field device by individual digit is remotely to control, be automatically brought into operation and control now
Field device is opened and the setting means of the running parameter of control field device, and no longer needs the long-range control for field device
Make, be automatically brought into operation, field device is opened, the setting means of the running parameter of field device sends individual control instruction respectively,
That is, will be respectively used to that remotely the controlling, be automatically brought into operation of field device, field device is opened, the running parameter of field device is set
The multiple instruction for determining mode is integrated into individual digit, and greatly reduce control instruction writes number, improves writing for program
Efficiency, while reducing and the mistakes such as occurring omitting during modification of program.
At the scene in one of the control method of equipment schematical embodiment, when the running parameter of control field device
Setting means be peripheral hardware timing, individual digit be also used to control field device output be tracing mode.
In this way, the output of field device can be switched to tracing mode in time rapidly, so as to mention
The responsiveness of the tracking characteristics of high field device.
At the scene in one of the control method of equipment schematical embodiment, individual digit is also used to control scene and sets
It is standby to be closed remotely to control and being automatically brought into operation and control field device.
In this way, can control field device by individual digit is remotely to control, be automatically brought into operation and control now
Field device is closed, and no longer need to close for remotely the controlling, be automatically brought into operation of field device, field device send respectively it is independent
Control instruction, that is, remotely the controlling, be automatically brought into operation of field device, the multiple instruction collection that field device is closed will be respectively used to
As individual digit, greatly reduce control instruction writes number, improves the efficiency of writing of program, reduces in modification of program
During the mistakes such as occur omitting, while field device is done rapidly according to the operation information of dcs
It responds out, improves the overall operation efficiency of system, and avoid the operation troubles of system.
According to another aspect of an embodiment of the present invention, the control device of field device is additionally provided, comprising: input module,
Obtain the current working status of the field device；Determining module, according to the current working status and the distributed AC servo system
Current working status switching and the field device work to be switched to of the operation information determination of system by the field device
Make state, wherein field device is applied to the field device in dcs, wherein working condition includes scene
Multiple operation modes of equipment；Generation module, for generating the single of the working condition for field device according to definitive result
Number, individual digit are used to indicate the corresponding multiple control instructions of working condition of field device；And control module, use list
A digital control field device switches to working condition.
According to another aspect of an embodiment of the present invention, additionally provide the control system of field device, comprising: field device with
And execute the control device of the control method of above-mentioned field device.
According to another aspect of an embodiment of the present invention, storage medium is additionally provided, storage medium includes the program of storage,
In, in program operation, control includes that the equipment of storage medium executes the control method of above-mentioned field device.
According to another aspect of an embodiment of the present invention, processor is additionally provided, processor is for running program, wherein journey
The control method of above-mentioned field device is executed when sort run.
In embodiments of the present invention, multiple controls of multiple operation modes of control field device are replaced with individual digit
Instruction, thus when needing to carry out the switching of multiple operation modes to field device, it is only necessary to issue individual digit instruction energy
So that field device is ready for multiple operation operation modes, solve in the control of field device, needs several interface signals
Come control field device multiple operation modes change, to be brought very in many field devices of control to programming
Mostly inconvenient, the pin for needing to control when writing program is very more, the very big problem of the workload of programming.
Present invention is particularly suitable in the control process in order of equipment at the scene.By using technology of the invention, directly
The workload for saving programming, improve program writes efficiency, has saved human cost and time cost.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the control method of field device according to an embodiment of the present invention；
Fig. 2 is the flow chart of the control method of field device according to another embodiment of the present invention；
Fig. 3 is the block diagram of the control device of field device according to an embodiment of the present invention；
Fig. 4 is the block diagram of the control system of field device according to an embodiment of the present invention；And
Fig. 5 is the block diagram of the control system of field device according to another embodiment of the present invention.
The reference symbol of attached drawing:
Step: S102, S104, S106, S108, S202, S204, S206, S208, S210, S212, S214,
3: control device；
300: input module；
302: determining module；
304: generation module；
306: control module；
4: control system；
402: field device；
404: interface module.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of series of steps or module or unit not
Those of be necessarily limited to be clearly listed step or module or unit, but may include be not clearly listed or for these mistakes
The intrinsic other steps of journey, method, product or equipment or module or unit.
According to embodiments of the present invention, the control method of field device is provided.Fig. 1 is scene according to an embodiment of the present invention
The flow chart of the control method of equipment.Referring to Fig. 1, the control method of field device according to an embodiment of the present invention includes:
Step S102 obtains the current working status of field device, wherein field device is to be applied to distributed AC servo system system
Field device in system；
Step S104, according to the operation information determination of current working status and dcs by field device
Current working status switching and the field device working condition to be switched to, working condition include multiple operations of field device
Mode；
Step S106: the individual digit of the working condition for field device is generated according to definitive result, wherein single number
Word is used to indicate the corresponding multiple control instructions of working condition；And
Step S108: working condition is switched to using individual digit control field device.
According to this embodiment of the invention, multiple operation modes that field device is characterized using individual digit, are thus existed
When needing successively to switch over multiple operation modes of field device in sequence project, it is only necessary to issue individual digit instruction just
Multiple operation modes that field device can be controlled switch over.With the switching for needing to be directed to each operation mode in the prior art
It writes a control instruction to compare, greatly reduce control instruction writes number, saves the workload of programming, mentions
High program writes efficiency, has saved the manpower and time cost of project, while reducing and occurring during modification of program
The mistakes such as omission.
In addition, in the embodiment in accordance with the invention, constantly obtain the working condition of field device, and according to point
Current operation information (for example, temperature information, pressure information etc.) judges the working condition of field device in cloth control system
Whether meet with service condition current in dcs, whether need to switch the working condition of field device and need
Which kind of working condition is the working condition of field device is switched to, thus, it is possible to change the work of field device in due course and in time
Make state, to ensure that the normal operation of dcs.
Specifically, the field device in dcs can be such as valve, determine frequency motor, variable-frequency motor, PID
Control module etc..
For example, the long-range control that operation mode can be field device (is referred to as remote status, below in order to describe
Convenient, will be described with remote status) and local control (local state or on the spot state are referred to as, below in order to retouch
State conveniently, by state is described with local state or on the spot), the manual operation of field device and be automatically brought into operation, field device
Opening and closing, field device running parameter outer setting and it is interior setting and field device tracing mode and it is non-with
Track mode.And multiple operation modes may include any combination in the above mode.
Therefore, as an example, the individual digit, which can control field device, will be in remote status and in artificial behaviour
Make.Additionally, which can control field device and is operated by operator to carry out hand automatic switchover, open and close behaviour
Make.
Individual digit control field device is in remote status and in automatic operation mode.Additionally, this is single
Number can also control field device and be set with opening field device digital by automatic command or closing scene by automatic command
It is standby.
Further, the running parameter which can also control field device passes through outer setting means or interior setting side
Formula setting.The output that the individual digit is also used to control field device is tracing mode or non-tracking mode.
Above-mentioned multiple operation modes to by individual digit characterization field device have carried out whole description.Hereinafter with reference to
Table 1.1.1~1.1.4 specifically describes multiple operation modes that field device how is characterized by individual digit in an illustrative manner
And multiple operation modes of field device how are controlled by individual digit generated.
Table 1.1.1~1.1.4
The control instruction and state of table 1.1.1 valve
| 0 | Remote status, valve are released to operator, and operator can carry out hand automatic switchover, open and close operation |
| 1 | Remote status, program are forced to automatically, and open valve by automatic command |
| 2 | Remote status, program are forced to automatically, and close valve by automatic command |
| 3 | State on the spot |
Table 1.1.2 determines the control instruction and state of frequency motor
| 0 | Remote status, motor are released to operator, and operator can carry out hand automatic switchover, open and close operation |
| 1 | Remote status, program are forced to automatically, and open motor by automatic command |
| 2 | Remote status, program are forced to automatically, and close motor by automatic command |
| 3 | State on the spot |
The control instruction and state of table 1.1.3 variable-frequency motor
| 0 | Remote status, motor are released to operator, and operator can carry out hand automatic switchover, open and close operation |
| 1 | Remote status, program are forced to automatically, and open motor by automatic command, and frequency setting is from outer given |
| 2 | Remote status, program are forced to automatically, and close motor by automatic command |
| 3 | Remote status, program are forced to automatically, and open motor by automatic command, and frequency setting is from interior given |
| 4 | State on the spot |
The control instruction and state of table 1.1.4 PID
| 0 | PID module is released to operator, and operator can carry out hand automatic switchover, interior given outer given switching |
| 1 | PID module is switched to automatically, and setting value is from outer given |
| 2 | PID module is switched to automatically, and setting value gives from outer, but the output of PID at this time is in tracking mode |
| 3 | PID module is switched to automatically, and setting value is from interior given |
In table 1.1.1, for valve, layout number 0 indicates the first working condition of valve, the first working condition packet
Include following operation mode: remote status, valve are released to operator, and operator can carry out hand automatic switchover and unlatching and pass
Thus control valve is in remote status using number 0 by closed operation, and valve is released to operator, and operator can be with
It carries out hand automatic switchover and opens and closes operation.
Layout number 1 indicates the second working condition of valve, which includes following operation mode: long-range shape
State, automatic operation mode and valve are opened, and control valve is thus in remote status using number 1 and valve will be in
Automatic operation mode and valve is opened by automatic command.
Layout number 2 indicates the third working condition of valve, which includes following operation mode: long-range shape
State, automatic mode and valve are closed, and therefore, control valve are in remote status using number 2, and valve will be in certainly
Dynamic model formula and valve is closed by automatic command.
Layout number 3 indicates the 4th working condition of valve, and the 4th working condition includes following operation mode: shape on the spot
Thus control valve is in local state using number 3 by state.
In table 1.1.2, for determining frequency motor, layout number 0 indicates to determine the first working condition of frequency motor, first work
Include following operation mode as state: remote status determines frequency motor and is released to operator, and operator can carry out hand automatic switchover
And operation is opened and closed, frequency motor thus is determined into control using number 0 and is in remote status, and frequency motor will be determined and released
It puts to operator, operator can carry out hand automatic switchover and open and close operation.
The second working condition of frequency motor is determined in 1 expression of layout number, which includes following operation mode: remote
Journey state, automatic operation mode and determine frequency motor opening, thus control is determined frequency motor and is in remote status using number 1
And frequency motor will be determined in automatic operation mode and by automatic command opening by determining frequency motor.
The third working condition of frequency motor is determined in 2 expression of layout number, which includes following operation mode: remote
Journey state, automatic mode and determine the closing of frequency motor, therefore, control is determined frequency motor and is in remote status using number 2, and
Frequency motor will be determined in automatic mode and by automatic command closing by determining frequency motor.
The 4th working condition of frequency motor is determined in 3 expression of layout number, and the 4th working condition includes following operation mode: on the spot
Thus control is determined frequency motor using number 3 and is in state on the spot by state.
In table 1.1.3, for variable-frequency motor, layout number 0 indicates the first working condition of variable-frequency motor, first work
Include following operation mode as state: remote status, variable-frequency motor are released to operator, and operator can carry out hand automatic switchover
And open and close operation.Control variable-frequency motor is in remote status using number 0 as a result, and variable-frequency motor is released
It puts to operator, operator can carry out hand automatic switchover and open and close operation.
Layout number 1 indicates the second working condition of variable-frequency motor, which includes following operation mode: remote
Journey state, automatic operation mode, variable-frequency motor are opened and the frequency of variable-frequency motor is set as outer given.It thus will using number 1
Control variable-frequency motor is in remote status and variable-frequency motor will open change in automatic operation mode and by automatic command
Frequency motor, and outer given way is configured by the setting of the frequency of variable-frequency motor.
Layout number 2 indicates the third working condition of variable-frequency motor, which includes following operation mode: remote
Journey state, automatic operation mode and variable-frequency motor are closed, and control variable-frequency motor is thus in remote status using number 2,
And variable-frequency motor will be in automatic mode and close variable-frequency motor by automatic command.
Layout number 3 indicates the 4th working condition of variable-frequency motor, and the 4th working condition includes following operation mode: remote
Journey state, automatic operation mode, to open the frequency setting means of variable-frequency motor and variable-frequency motor be interior given.Thus number is used
Word 3 will control variable-frequency motor and be in remote status and variable-frequency motor and will be in automatic operation mode and be beaten by automatic command
Variable-frequency motor is opened, and configures interior given way for the setting of the frequency of variable-frequency motor.
Layout number 4 indicates the 5th working condition of variable-frequency motor, and the 5th working condition includes following operation mode: this
Control variable-frequency motor is in local state using number 4 by ground state.
In table 1.1.4, for pid control module, layout individual digit corresponds to multiple operations of pid control module
The mode of mode and above-mentioned valve, to determine the mode of frequency motor and variable-frequency motor similar, referring specifically to table 1.1.4, herein just no longer
It specifically describes.It, will using number 0 after such layout individual digit and the corresponding relationship of the working condition of PID control module
Control PID control module is released to operator, operator can carry out the interior given of hand automatic switchover and its running parameter and
Given handover operation outside；Control PID control module is in setting for automatic operation mode and its running parameter using number 1
The setting means of definite value is outer given way；Control PID control module is in automatic mode using number 2 and its work is joined
The setting means of several setting values is outer given way, and the output of Control PID control module is in tracking mode；Use number
The setting means that Control PID control module is in automatic operation mode and the setting value of its running parameter by word 3 is interior given
Mode.
Above description is only exemplary, and field device can be in addition to valve, motor and pid control module
Field device, and different numbers can be used to control the combination of multiple and different operation modes of field device.
In addition, the corresponding relationship of the above-mentioned number 0,1,2,3,4 enumerated and working condition can be preparatory according to pre-defined rule
Layout is good, then, when the working condition to be switched to according to field device generates corresponding individual digit, can call directly
With the corresponding number of output.
In addition, the corresponding relationship of the above-mentioned number 0,1,2,3,4 enumerated and working condition can be deposited in the form of matrix table
Storage, when the working condition to be switched to according to field device generates corresponding individual digit, can be searched from matrix table and
The corresponding number of the working condition to be switched to simultaneously is output it.
In the present invention, as described above, field device can be switched to multiple behaviour only by individual digit instruction
Operation mode, thus, it is supposed that according to the operation information in dcs (for example, the temperature in dcs is believed
Breath, pressure information etc.) need control valve to be switched to the second working condition from the first working condition, then it will need to generate single number
Word 1 can control valve switch to automatic operation mode and open valve.
However, at least needing to write two control instructions in the prior art, one of control instruction is used for valve
It is switched to and is automatically brought into operation from manual operation, another control instruction is for opening valve.
In dcs, the valve for needing to control is very more, it is assumed that the quantity for the valve for needing to control is with ten thousand
If meter, then the pin for needing the control instruction write and sent and needs to control at least reduces up to ten thousand, thus significantly
Ground saves the workload of programming, improves the efficiency of programming, has saved manpower and time cost, while reducing
The mistakes such as occur omitting during modification of program.
Fig. 2 is the flow chart of the control method of field device according to another embodiment of the present invention.Referring to fig. 2, according to this
The control method for inventing the field device of another embodiment includes:
S202: the current working status of field device is obtained, wherein field device is applied in dcs
Field device,；
S204: according to the operation information determination of current working status and dcs by the current of field device
Working condition switching；
S206: determine what field device to be switched to according to the operation information of current working status and dcs
Working condition, wherein working condition includes multiple operation modes of field device；
S208: the individual digit of the working condition for field device is generated according to definitive result, wherein individual digit is used
In the corresponding multiple control instructions of indicating operating status；
S210: working condition is switched to using individual digit control field device；
S212: the feedback information from field device is received, wherein feedback information is used to indicate the work shape of field device
State；
S214: judge whether the working condition of field device has reached the demand of multiple control instructions according to feedback information.
In the embodiment in accordance with the invention, the working condition of field device is constantly obtained, and according to distribution
In control system current operation information (for example, temperature information, pressure information etc.) judge field device working condition whether
Meet with service condition current in dcs, whether need to switch the working condition of field device and need by
Which kind of working condition is the working condition of field device be switched to, and thus, it is possible to change the work shape of field device in due course and in time
State, to ensure that the normal operation of dcs.
In addition, in this embodiment of the invention, being switched to corresponding working condition using digital control field device
Later, feedback information also is received from field device, field device can be examined whether according to work corresponding with number generated
Make whether state meets with the service condition of dcs in this of operation and field device working condition, further
It ensure that the normal operation of dcs.
In the embodiment in accordance with the invention, the working condition of acquired field device and feedback information can wrap
The multiple operation modes indicated with logic number 1 or 0 are included, for example, number 1 is counted for indicating that field device is in remote status
Word 0 is in local state for indicating field device, and number 1 is automatically brought into operation and number 0 is used for indicating that field device is in
Manual operation, etc. is in expression field device.In this manner it is possible to which simple digital form is known working as field device
Preceding working condition.
According to an embodiment of the invention, providing the control device of field device.Fig. 3 is according to an embodiment of the present invention existing
The block diagram of the control device of field device.Referring to Fig. 3, the control device 3 of field device according to an embodiment of the present invention includes:
Input module 300 obtains the current working status of field device, wherein field device is to be applied to distributed control
Field device in system processed；
Determining module 302 is wanted according to the current working status and the determination of the operation information of the dcs
By the current working status switching of the field device and determine the field device working condition to be switched to, wherein work
State includes multiple operation modes of field device；
Generation module 304, for generating the individual digit of the working condition for field device according to definitive result, individually
Number is used to indicate the corresponding multiple control instructions of working condition of field device；And
Control module 306 switches to working condition using individual digit control field device.
In this embodiment of the invention, multiple operation modes that field device is characterized using individual digit, are thus existed
When needing successively to switch over multiple operation modes of field device in sequence project, it is only necessary to generate and issue same single
Digital command can control the switching of multiple operation modes of field device.With needed in the prior art for each operation mould
The switching of formula is write a control instruction and is compared, and greatly reduce control instruction writes number, saves programming
Workload, improve program writes efficiency, has saved the manpower and time cost of project, while reducing the mistake in modification of program
The mistakes such as occur omitting in journey.
Described in the method and reference Fig. 1 that the control device of field device according to the abovementioned embodiments of the present invention is realized
The control method of field device is identical, and details are not described herein again.
Input module in the control device of field device according to another embodiment of the present invention, in the control device 3
300 are also used to after being switched to working condition using digital control field device receive feedback information from field device and be incited somebody to action
Transmission of feedback information is to determining module 302.Determining module 302 determines scene also according to the feedback information from input module 300
Whether equipment has been switched to corresponding working condition, that is, determines whether the working condition of field device has reached control instruction
Demand, to examine whether field device works according to one group of control instruction corresponding with the individual digit of sending.
Described in the method and reference Fig. 2 that the control device of field device according to this embodiment of the invention is realized
The control method of field device is identical, and details are not described herein again.
According to embodiments of the present invention, the control system of field device is additionally provided.Fig. 4 is according to an embodiment of the present invention existing
The block diagram of the control system of field device.Referring to fig. 4, the control system 4 of field device according to an embodiment of the present invention includes: scene
Equipment 402, wherein the field device is applied to the field device in dcs；And it is set for controlling scene
Standby control device 3, the control device can be using the control devices according to above-described embodiment.
Fig. 5 is the block diagram of the control system of field device according to another embodiment of the present invention.Referring to Fig. 5, according to this hair
The control system 4 of the field device of bright another embodiment with according to the control system of Fig. 4 the difference is that, the control system
4 further include: interface module 404 receives the individual digit issued from control device 3, which is converted into and to be switched
To working condition in the corresponding one group of control instruction of multiple operation modes, and using one group of control instruction control scene
Equipment 402.
According to embodiments of the present invention, storage medium is additionally provided, storage medium includes the program of storage, wherein in program
Control includes that the equipment of storage medium executes the control method of above-mentioned field device when operation.
According to embodiments of the present invention, processor is additionally provided, processor is for running program, wherein program is held when running
The control method of the above-mentioned field device of row.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided by the present invention, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of unit or module, only
For logical function partition, there may be another division manner in actual implementation, such as multiple units or module or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or logical of module or unit
Letter connection can be electrical or other forms.
Unit or module may or may not be physically separated as illustrated by the separation member, as unit
Or the component that module is shown may or may not be physical unit or module, it can in one place, Huo Zheye
It can be distributed in multiple network units or module.Can select according to the actual needs some or all of unit therein or
Module achieves the purpose of the solution of this embodiment.
In addition, each functional unit or module in each embodiment of the present invention can integrate in a processing unit or mould
In block, it is also possible to each unit or module physically exists alone, can also be integrated in two or more units or module
In one unit or module.Above-mentioned integrated unit or module both can take the form of hardware realization, can also use software
The form of functional unit or module is realized.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of step of each embodiment method of the present invention
Suddenly.And storage medium above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (17)
1. the control method of field device characterized by comprising
Obtain the current working status of field device, wherein the field device is applied to showing in dcs
Field device；
According to the operation information determination of the current working status and dcs by the current of the field device
Working condition switching；
Determine that the field device will be cut also according to the operation information of the current working status and the dcs
The working condition changed to, wherein the working condition includes multiple operation modes of the field device；
The individual digit of the working condition for the field device is generated according to definitive result, wherein the single number
Word is used to indicate the corresponding multiple control instructions of the working condition；And
The field device, which is controlled, using the individual digit switches to the working condition.
2. the method according to claim 1, wherein being cut controlling the field device using the individual digit
It shifts to after the working condition, the method also includes:
Receive the feedback information from the field device, wherein the feedback information is used to indicate the institute of the field device
State working condition；
Judge whether the working condition of the field device has reached the multiple control instruction according to the feedback information
Demand.
3. the method according to claim 1, wherein generating the work for being used for field device according to definitive result
Before the individual digit of state, the method also includes:
According to pre-defined rule, the corresponding individual digit of the working condition is set.
4. according to the method described in claim 3, it is characterized in that,
After according to pre-defined rule, the corresponding individual digit of the working condition is set, the method also includes: with square
The form of battle array table stores the individual digit,
The individual digit that the working condition for field device is generated according to definitive result includes: to be cut according to the field device
The working condition changed to searches the corresponding individual digit of the working condition from the matrix table.
5. switching the method according to claim 1, wherein controlling the field device using the individual digit
Include: to the working condition
The individual digit is converted into the multiple control instruction；And
The field device is controlled using the multiple control instruction switches to the working condition.
6. the method according to claim 1, wherein the individual digit is converted into the multiple control instruction
Include:
Determine the multiple operation mode that the working condition includes；And
The individual digit is converted into the multiple control instruction corresponding with the multiple operation mode respectively.
7. method according to any one of claim 1 to 6, which is characterized in that the multiple operation mode includes following
Any combination in mode: the long-range control and local control of the field device, the manual operation of the field device and from
Dynamic operation, the opening and closing of the field device, the field device running parameter outer setting and interior setting, Yi Jisuo
State the tracing mode and non-tracking mode of field device.
8. the method according to the description of claim 7 is characterized in that the individual digit is for controlling the field device as institute
State manual operation, with operated by operator come the field device is automatically switched manually, is opened and closed operation and
At least the two in the switching of outer setting and the interior setting of the running parameter.
9. according to the method described in claim 8, it is characterized in that, the individual digit is also used to control the field device is
The long-range control.
10. the method according to the description of claim 7 is characterized in that the individual digit is for controlling the field device
The setting means of the running parameter for being automatically brought into operation and controlling the field device is one of outer setting and interior setting.
11. according to the method described in claim 10, it is characterized in that, the individual digit is also used to control the field device
For the long-range control and control the field device unlatching.
12. according to the method described in claim 10, it is characterized in that, when the running parameter for controlling the field device
Setting means is peripheral hardware timing, and the output that the individual digit is also used to control the field device is the tracing mode.
13. the method according to the description of claim 7 is characterized in that the individual digit is also used to control the field device
For the long-range control and it is described be automatically brought into operation and control the field device close.
14. the control device of field device characterized by comprising
Input module (300), obtains the current working status of the field device, wherein the field device is to be applied to divide
Field device in cloth control system；
Determining module (302), will be described according to the operation information determination of the current working status and dcs
The current working status of field device switches and the field device working condition to be switched to, wherein the work shape
State includes multiple operation modes of the field device；
Generation module (304), for generating the single number of the working condition for the field device according to definitive result
Word, the individual digit are used to indicate the corresponding multiple control instructions of the working condition of the field device；And
Control module (306) switches to the working condition for controlling the field device using the individual digit.
15. the control system of field device characterized by comprising
Field device (502)；And
Perform claim requires the control device (3) of any one of 1-13 the method.
16. storage medium, which is characterized in that the storage medium includes the program of storage, wherein run time control in described program
System includes method described in the equipment perform claim of the storage medium requires any one of 1 to 13.
17. processor, which is characterized in that the processor is for running program, wherein perform claim is wanted when described program is run
Method described in asking any one of 1 to 13.
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| CN201810962451.1A CN109213096B (en) | 2018-08-22 | 2018-08-22 | Control method, device and system of field device, storage medium and processor |
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| CN201810962451.1A CN109213096B (en) | 2018-08-22 | 2018-08-22 | Control method, device and system of field device, storage medium and processor |
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