CN107407920B - Control device and control system - Google Patents
Control device and control system Download PDFInfo
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- CN107407920B CN107407920B CN201580076754.8A CN201580076754A CN107407920B CN 107407920 B CN107407920 B CN 107407920B CN 201580076754 A CN201580076754 A CN 201580076754A CN 107407920 B CN107407920 B CN 107407920B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
Abstract
Include storage unit, binary system project data of the storage comprising control program and in the source project data including the information for executing control program when institute reference and after being compiled to source project data；Memory is loaded into binary system project data when executing and controlling program；The binary system project data stored in storage unit and the binary system project data for being loaded into memory are rewritten based on the data received in Instrumentation portion；And the source project data stored in storage unit is rewritten based on the data received by source rewriting portion.
Description
Technical field
The control device and control system controlled the present invention relates to a kind of pair of industrial machinery.
Background technique
In order to control industrial machinery, control device is used.About control device, programmable controller is exemplified
(JIS B 3502:2011, programmable controllers (PLC)), C language controller, motion controller or inversion
Device.
Control program comprising being executed by control device and the data including the information for executing control program when institute reference
Referred to as project data.Numerical value used in operation is being controlled about exemplifying in the information for executing control program when institute reference
I.e. parameter, to the working region in the memory of control device carry out as defined in device memory or indicate control device and work
The link information of the connection status of industry machinery.
For project data, source code is created and executing design tool program on a personal computer, is compiled into
Binary code is forwarded to control device.
As relevant technology, following technologies are recorded in patent document 1, that is, journey is applied in creation on programmer
The source code of sequence generates link information table and being compiled to it, is downloaded to inverter (abstract of description).
About the information in execution control program when institute reference, sometimes when creating source code using design tool program
It can not determine.For example, ratio (P) gain used in proportional integral differential (PID) control operation, integral (I) time or micro-
(D) time is divided to determine while acting industrial machinery.About parameter as described above, in the source code of project data
When creation, description is tentative initial value.
As described above, some are that industrial machinery is made to act one on one side about in the information for executing control program when institute reference
What side determined, therefore lead to the initial value described in the source code of the project data in personal computer and in control device
It is revised to select definite value difference.Thus, when then carrying out the editor of source code of project data using design tool program, by
What is described in the source code of the project data in personal computer is initial value, therefore is caused after rewriting in control device
Select definite value loss.
PLC auxiliary device 20 is recorded in patent document 2, which includes tuned cell 205, holds
Tuner operation that row is finely adjusted the parameter of PLC 1 (from 0026 section to 0030 section)；And backup units 206, to buffering
It is backed up in the data amount of storage space 203 (from 0033 section to 0037 section).
Patent document 1: International Publication No. 2006/112324
Patent document 2: Japanese Unexamined Patent Publication 2004-178157 bulletin
Summary of the invention
In patent document 2, it describes and data amount is backed up, but not on the books parameter is backed up.
It is auxiliary in the case where operating PLC 1 and tuned to parameter and by PLC in addition, in the technology described in patent document 2
Parameter and PLC auxiliary in the case that other devices helped other than device 20 tune the parameter of PLC 1, in PLC 1
Parameter in device 20 becomes different.That is, revised parameter is lost in PLC 1.
The present invention is exactly to propose in view of the foregoing, and its object is to obtain one kind to lose revised data
Lose the control device that this case is inhibited.
Control device of the invention has storage unit, and storage unit storage is comprising control program and when execution controls program
Source project data including the information of institute's reference and the binary system project data after being compiled to source project data.The present invention
Control device also include memory, execute control program when be loaded into binary system project data；Instrumentation portion,
Based on the data received, to the binary system project data stored in storage unit and the binary system engineering number for being loaded into memory
According to being rewritten；And source rewriting portion changes the source project data stored in storage unit based on the data received
It writes.
The effect of invention
Control device according to the present invention has following effects, that is, this case that can be to revised loss of data
Inhibited.
Detailed description of the invention
Fig. 1 is the figure for indicating the structure of control system, which has used control dress involved in embodiment 1
It sets.
Fig. 2 is the figure for indicating the hardware configuration of control program creation apparatus involved in embodiment 1.
Fig. 3 is the functional block diagram of control program creation apparatus involved in embodiment 1.
Fig. 4 is the figure for indicating the example of the control of source involved in embodiment 1 program.
Fig. 5 is the figure for indicating the example of source control parameter involved in embodiment 1.
Fig. 6 is the figure for indicating the example of source device memory involved in embodiment 1.
Fig. 7 is the figure of the example of list whether indicating equal values involved in embodiment 1.
Fig. 8 is the figure for indicating the example of parameter setting picture involved in embodiment 1.
Fig. 9 is the figure for indicating the hardware configuration of control device involved in embodiment 1.
Figure 10 is the functional block diagram of control device involved in embodiment 1.
Figure 11 is the flow chart for indicating the processing of Instrumentation involved in embodiment 1.
Figure 12 is the flow chart for indicating the source write-in processing of control device involved in embodiment 1.
Figure 13 is the flow chart that processing is rewritten in the source involved in embodiment 1 that indicates.
Figure 14 is the process for indicating the project data editing and processing of control program creation apparatus involved in embodiment 1
Figure.
Figure 15 is the functional block diagram of control device involved in embodiment 2.
Figure 16 is to indicate that the flow chart of processing is rewritten in the source of control device involved in embodiment 2.
Specific embodiment
In the following, being said in detail based on attached drawing to control device involved in embodiments of the present invention and control system
It is bright.In addition, the present invention is not limited to present embodiments.
Embodiment 1.
Fig. 1 is the figure for indicating the structure of control system, which has used control dress involved in embodiment 1
It sets.Control system 1 includes: control program creation apparatus 2, programable display (JIS B 3551:2012, programmable
Display) 3, higher level's control device 4, control device 5, machinery 6 and 7.
Control program creation apparatus 2, programable display 3, higher level's control device 4 and control device 5 connect via network N
It connects.About network N, LAN (Local Area Network) or internet are exemplified.
5 pairs of machinery of control device 6 and 7 control.About control device 5, programmable controller, C language control are exemplified
Device, motion controller or inverter processed.
Program creation apparatus 2 is controlled to the control program comprising being executed by control device 5 and controls program when institute executing
Project data including the information of reference is created.About in the information for executing control program when institute reference, exemplifies and controlling
Numerical value, that is, parameter used in operation processed, in the memory of control device working region carry out as defined in device memory,
Or indicate the link information of the connection status of control device and industrial machinery.
Programable display 3 monitors the data in control device 5, and to executing the control in control device 5
The information of processing procedure sequence when institute reference changes.
Higher level's control device 4 is the computer that general pipeline is integrally carried out to production line entirety or factory, is carried out to control device 5
Control.
Fig. 2 is the figure for indicating the hardware configuration of control program creation apparatus involved in embodiment 1.1 institute of embodiment
The control program creation apparatus 2 being related to is computer.Control program creation apparatus 2 includes: CPU (Central Processing
Unit) 21, RAM (Random Access Memory) 22,23, storage unit 24, input unit ROM (Read Only Memory)
25, display unit 26 and communication interface 27.
CPU 21 on one side RAM 22 used as working region, while execute and stored in ROM 23 and storage unit 24
Program.About the program stored in ROM 23, BIOS (Basic Input/Output System) or UEFI is exemplified
(Unified Extensible Firmware Interface).About the program stored in storage unit 24, operation is exemplified
System program and design tool program.About storage unit 24, SSD (Solid State Drive) or HDD (Hard is exemplified
Disk Drive)。
Input unit 25 receives the operation input from operator.About input unit 25, keyboard or mouse are exemplified.Display unit
26 pairs of texts and image are shown.About display unit 26, liquid crystal display device is exemplified.Communication interface 27 via network N, with
Control device 5 is communicated.
Fig. 3 is the functional block diagram of control program creation apparatus involved in embodiment 1.CPU21 is executed in storage unit 24
The design tool program of middle storage.Hereby it is achieved that design tool portion 21a, design tool portion 21a includes: source project data is compiled
Portion 21a1 is collected, the operation input based on user is created or edited to source project data 24a；And compiling portion 21a2,
Source project data 24a is compiled and creates binary system project data 24b.
Source project data 24a includes: source controls program 24a1, source control parameter 24a2, source device memory 24a3 and waits
List 24a4 whether value.
In addition, source project data 24a also may include other data.About other data, exemplifying indicates control device 5
The link information of the connection of connection and control device 5 and mechnisiam with machinery 6.
Fig. 4 is the figure for indicating the example of the control of source involved in embodiment 1 program.In the embodiment 1, source controls journey
Sequence 24a1 is described with functional block diagram language (IEC 61131-3, JIS B 3503).
In addition, being not limited to functional block diagram language to the source control program 24a1 language described.It is controlled about to source
Other language that processing procedure sequence 24a1 is described, exemplify trapezoid figure language, timing function graph-based language, structured text language or
Instruction list language (IEC 61131-3, JIS B 3503).
It includes functional block 24a1a and 24a1b that source, which controls program 24a1,.Functional block 24a1a is pre- in design tool program
First prepare proportional integral differential (PID) control block out, to input X1 progress ratio (P), integral (I) and differential (D) control
It will output Y1 output.
Functional block 24a1b is the control block being created that by user, is carried out to input X2 and X3
Y2=AX2+BX3+C
Such operation and will output Y2 output.
Fig. 5 is the figure for indicating the example of source control parameter involved in embodiment 1.Source control parameter 24a2 includes control
The project of parameter name and the project of initial value.
Multiple row 24a2a of source control parameter 24a2 are the parameters in the control operation when institute reference of functional block 24a1a, more
A row 24a2b is the parameter in the control operation when institute reference of functional block 24a1b.
In multiple row 24a2a, initial value " reverse movement " is set in parameter name " inversely acting positive action ",
Initial value " 1.0 " are set in parameter name " control period ", initial value " 1.2 " are set in parameter name " proportional gain ",
It is set with initial value " 12.3 " in parameter name " time of integration ", initial value " 3.2 " are set in parameter name " derivative time ",
Initial value " 100.0 " are set in parameter name " SV upper limit value ", are set with initial value in parameter name " SV lower limit value "
“0.0”。
In multiple row 24a2b, it is set with initial value " 0.9 " in parameter name " A ", is set in parameter name " B " just
Initial value " 1.1 " is set with initial value " 100 " in parameter name " C ".
Fig. 6 is the figure for indicating the example of source device memory involved in embodiment 1.Source device memory 24a3 includes
The project of implementor name and the project of initial value.
In source device memory 24a3, initial value " 200 " are set in implementor name " D000 ", at implementor name " D001 "
In be set with initial value " 300 ".
Fig. 7 is the figure of the example of list whether indicating equal values involved in embodiment 1.List 24a4 whether equal values
The project of project and coincident indicator comprising control parameter name or implementor name.
List 24a4 describes following control parameters or equipment whether equal values, that is, in control device 5 to two into
It, should also be to source in control device 5 in the case that control parameter processed or the data of binary device memory are rewritten
The control parameter or equipment that control parameter or the data of source device memory are rewritten.
In control system 1, in control device 5 to the data of binary system control parameter or binary device memory into
It has gone in the case where rewriting, also the data of source control parameter or source device memory has been carried out rewriting this in control device 5
Situation is referred to as " waiting values ".
Multiple row 24a4a of list 24a4 describe the control operation when institute reference having in functional block 24a1a whether equal values
Parameter in the parameter that carry out equal values.
Describing in multiple row 24a4a has parameter name " proportional gain ", parameter name " time of integration " and parameter name " when differential
Between ".Therefore, if in control device 5 in binary system control parameter parameter name " proportional gain ", parameter name is " when integral
Between " or the data of parameter name " derivative time " rewritten, then to the parameter name in the control parameter of source in control device 5
The values such as the data of " proportional gain ", parameter name " time of integration " or parameter name " derivative time " carry out.
In addition, " reverse movement is positive dynamic for parameter name in the parameter of the control operation when institute reference of functional block 24a1a
Work ", parameter name " control period ", parameter name " SV upper limit value " and parameter name " SV lower limit value " arrange whether not being described in equal values
Table 24a4.
Therefore, though in control device 5 by binary system control parameter parameter name " inversely acting positive action ",
The data rewriting of parameter name " control period ", parameter name " SV upper limit value " or parameter name " SV lower limit value ", the source in control device 5
Parameter name " inversely acting positive action ", parameter name " control period ", parameter name " SV upper limit value " or ginseng in control parameter
The values such as the data of several " SV lower limit values " will not carry out.
In control parameter, exist such as gain in this way, data are gradually carried out essence while acting machinery 6 and 7
Trueization and the parameter for finally determining data.The data of control parameter as described above preferably carry out equal values and source are controlled ginseng
Several data are also rewritten.On the other hand, in control parameter, exist such as counter in this way, in order to carry out machinery 6 and 7
Movement is verified and temporarily by the parameter of data change.The data of control parameter as described above are preferably without waiting values.
List 24a4 whether the values such as control system 1 has, thus, it is possible to only will preferably rewrite in the control parameter of source
Control parameter rewrite.
The project description of the coincident indicator of list 24a4 has following marks whether equal values, which indicates to fill in control
It sets in the case where being rewritten in 5 to the data of binary system control parameter or binary device memory, if filled in control
It sets in 5 immediately to the values such as the data of source control parameter or source device memory carry out.
In the case where coincident indicator is " 1 ", if to binary system control parameter or binary device in control device 5
The data of memory are rewritten, then in control device 5 immediately to the data of source control parameter or source device memory into
The values such as row.
In the case where coincident indicator is " 0 ", if to binary system control parameter or binary device in control device 5
The data of memory are rewritten, then revised data will buffer in control device 5, and meet scheduled condition
When, to the values such as the data of source control parameter or source device memory carry out in control device 5.
In multiple row 24a4a, to parameter name " proportional gain ", parameter name " time of integration " and parameter name " derivative time "
It is set with coincident indicator " 1 ".Therefore, if in control device 5 in binary system control parameter parameter name " proportional gain ",
The data of parameter name " time of integration " or parameter name " derivative time " are rewritten, then are controlled immediately to source in control device 5
The data of parameter name " proportional gain ", parameter name " time of integration " or parameter name " derivative time " in parameter processed carry out equivalent
Change.
In control parameter, exist such as gain it thus would be desirable to by reducing as far as possible a possibility that revised loss of data
Parameter.The values such as control parameter as described above preferably carries out immediately, rewrite the data of source control parameter immediately.Separately
On the one hand, in control parameter, exist and think compared with a possibility that reducing revised loss of data, it should is preferential to realize control
The parameter of the dispersion of the load of device 5 processed.The data of control parameter as described above are preferably poured to condition appropriate
Equivalenceization is carried out after meal with wine.
List 24a4 whether control system 1 has the equal values of the project comprising coincident indicator, thus, it is possible to only to source control
In parameter processed, hope rewrites the control parameter that a possibility that revised loss of data reduces as far as possible immediately.By
This, control device 5 can reduce a possibility that revised loss of data, further, it is possible to realize the dispersion of load.
Multiple row 24a4b of list 24a4 describe the control operation when institute reference having in functional block 24a1b whether equal values
Parameter in the parameter that carry out equal values.
Describing in multiple row 24a4b has parameter name " A " and parameter name " B ".Therefore, if to two in control device 5
The data of parameter name " A " or parameter name " B " in system control parameter are rewritten, then are controlled in control device 5 source
The values such as the data of parameter name " A " or parameter name " B " in parameter carry out.
In multiple row 24a4b, coincident indicator " 0 " is set with to parameter name " A " and parameter name " B ".Therefore, if controlling
The data of parameter name " A " or parameter name " B " in binary system control parameter are rewritten in device 5 processed, then will controlled
Revised data are buffered in device 5, when meeting scheduled condition, in the control parameter of source in control device 5
The values such as the data of parameter name " A " or parameter name " B " carry out.
In addition, parameter name " C " is not described in equivalence in the parameter of the control operation when institute reference of functional block 24a1b
List 24a4 whether change.Therefore, even if being carried out in control device 5 to the data of the parameter name " C " in binary system control parameter
It rewrites, it will not be to the values such as the data of the parameter name " C " in the control parameter of source carry out in control device 5.
The 24a4c that is expert at description has implementor name " D000 ".Therefore, if to binary device memory in control device 5
The data of interior implementor name " D000 " are rewritten, then to the implementor name in source device memory in control device 5
The values such as the data of " D000 " carry out.
It is expert in 24a4c, coincident indicator " 0 " is set with to implementor name " D000 ".Therefore, if it is right in control device 5
The data of implementor name " D000 " in binary device memory are rewritten, then will in control device 5 revised number
According to being buffered, when meeting scheduled condition, to the number of the implementor name " D000 " in source device memory in control device 5
According to carrying out equal values.
In addition, in device memory, list 24a4 whether implementor name " D001 " is not described in equal values.Therefore, exist
Even if being rewritten in control device 5 to the data of the implementor name " D001 " in binary device memory, in control device 5
It will not be to the values such as the data of the implementor name " D001 " in source device memory carry out.
Fig. 8 is the figure for indicating the example of parameter setting picture involved in embodiment 1.Parameter setting picture 31 passes through source
Project data editorial office 21a1 and shown on display unit 26.
Input field 31a is the column for inputting the initial value of parameter name " inversely acting positive action ".Input field 31b
It is the column for inputting the initial value of parameter name " control period ".Input field 31c is by the initial of parameter name " proportional gain "
The column that value is inputted.Input field 31d is the column for inputting the initial value of parameter name " time of integration ".
Input field 31e is the column for inputting the initial value of parameter name " derivative time ".Input field 31f is by parameter name
The column that the initial value of " SV upper limit value " is inputted.Input field 31g is to input the initial value of parameter name " SV lower limit value "
Column.
Input field 31h is by the column that values input such as whether parameter name " inversely acting positive action " needs.It is defeated
Lairage 31i is the column for whether needing parameter name " control period " that values to be waited to input.Input field 31j is by parameter name " ratio
The column that the values such as whether example gain " needs are inputted.Input field 31k is by the values such as whether parameter name " time of integration " needs
The column inputted.
Input field 31l is by the column that values input such as whether parameter name " derivative time " needs.Input field 31m be by
The column that the values such as whether parameter name " SV upper limit value " needs are inputted.Input field 31n be by parameter name " SV lower limit value " whether
The column for needing equal values to be inputted.
Source project data editorial office 21a1 will only make the control chosen among input field 31h to input field 31n to join
List 24a4 whether the values such as number scale is set forth in.
Functional block 24a1a is the pre-prepd control block in design tool program.Moreover, parameter name " proportional gain ",
Parameter name " time of integration " and parameter name " derivative time " are judged to the high control parameter of necessity of values such as carrying out in advance.Cause
This, source project data editorial office 21a1 is defaulted as being chosen in input field 31j, 31k and 31l.
Source project data editorial office 21a1 can default the high parameter name of necessity of reciprocity value " ratio increases as a result,
The values such as benefit ", parameter name " time of integration " and parameter name " derivative time " carry out, prompt user.
Input field 31o is whether to need parameter name " inversely acting positive action " to wait values to input immediately
Column.Input field 31p is the column for whether needing parameter name " control period " to wait values to input immediately.Input field 31q be by
The column whether parameter name " proportional gain " needs to wait values to be inputted immediately.
Input field 31r is the column for whether needing parameter name " time of integration " to wait values to input immediately.Input field 31s
It is the column for whether needing parameter name " derivative time " to wait values to input immediately.Input field 31t is by parameter name " the SV upper limit
The column whether value " needs to wait values to be inputted immediately.Input field 31u be whether parameter name " SV lower limit value " is needed immediately etc.
The column that value is inputted.
Source project data editorial office 21a1 among input field 31o to input field 31u only for having made the control chosen
Parameter describes " 1 " in the project of the coincident indicator of list 24a4 whether equal values.
Functional block 24a1a is the pre-prepd control block in design tool program.Moreover, parameter name " proportional gain ",
Parameter name " time of integration " and parameter name " derivative time " are judged to wish a possibility that losing revised value as far as possible in advance
Reduced control parameter.Therefore, source project data editorial office 21a1 is defaulted as being hooked in input field 31q, 31r and 31s
Choosing.
Source project data editorial office 21a1 can default a possibility that losing revised value to hope as far as possible as a result,
Reduced parameter name " proportional gain ", parameter name " time of integration " and parameter name " derivative time " carry out equal values immediately, to
Family is prompted.
Referring again to Fig. 3, compiling portion 21a2 is compiled by controlling program 24a1 to source, to create binary system control
Program 24b1, by being compiled to source control parameter 24a2, so that binary system control parameter 24b2 is created, by source device
Memory 24a3 is compiled, to create binary device memory 24b3.
Binary system controls program 24b1, binary system control parameter 24b2 and binary device memory 24b3 and constitutes binary system
Project data 24b.Source project data 24a and binary system project data 24b are sent to control device by communication interface 27
5。
Fig. 9 is the figure for indicating the hardware configuration of control device involved in embodiment 1.Control device 5 includes main substrate
5a and submount 5b and 5c.
Main substrate 5a includes: CPU 5a1, the memory 5a2 as RAM, timer 5a3, outer that timing is carried out to the time
Portion stores slot 5a4, communication interface 5a5, bus interface 5a6, inside portion 5a7.CPU 5a1, memory 5a2, timer
5a3, external storage slot 5a4, communication interface 5a5, bus interface 5a6 and inside portion 5a7 are via internal bus B1 connection.
Main substrate 5a receives power supply from UPS (Uninterruptible Power Supply) 10 and is acted.
UPS 10 carries out electric power storage to the electric power supplied from system power supply 9, by the power supply after electric power storage to main substrate 5a.
External storage portion 8 is inserted into external storage slot 5a4.About external storage portion 8, SD card (registrar is exemplified
Mark).
Communication interface 5a5 is via network N, with control program creation apparatus 2, programable display 3 and higher level's control device 4
It is communicated.
Bus interface 5a6 is the bus bridge circuit for contacting internal bus B1 and expansion bus B2.Submount 5b and 5c warp
It is connect by expansion bus B2 with main substrate 5a.Submount 5b is connect with machinery 6.Submount 5c is connect with mechnisiam.
About inside portion 5a7, SSD or HDD is exemplified.Inside portion 5a7 and external storage portion 8 constitute storage
Portion.
Figure 10 is the functional block diagram of control device involved in embodiment 1.Inside portion 5a7 is created to from control program
The binary system project data 5a7a that device 2 receives is built to be stored.Binary system project data 5a7a includes: binary system controls journey
Sequence 5a7a1, binary system control parameter 5a7a2 and binary device memory 5a7a3.
External storage portion 8 stores the source project data 8a received from control program creation apparatus 2.Source engineering number
Include according to 8a: list 8a4 whether source controls program 8a1, source control parameter 8a2, source device memory 8a3 and waits values.
In addition, source project data 8a is stored in inside portion 5a7.The reading speed of inside portion 5a7 and
Writing speed is faster than the reading speed and writing speed in external storage portion 8, therefore source project data 8a is preferably stored in inside and deposits
Storage portion 5a7.
But in reality, for the requirement for inhibiting cost or mounting area, the storage of inside portion 5a7 is held sometimes
Amount is low capacity, and inside portion 5a7 does not have the sufficient idle capacity stored to source project data 8a sometimes.In reality
It applies in mode 1, is illustrated to by the case where 8 storage source project data 8a of external storage portion.
In the case where control device 5 executes control action, binary system controls program 5a7a1, binary system control parameter
5a7a2 and binary device memory 5a7a3 are loaded on memory 5a2, become binary system control program 5a2a, binary system control
Parameter 5a2b and binary device memory 5a2c processed.
CPU 5a1 executes the Instrumentation program stored in inside portion 5a7 and program is rewritten in source.It is real as a result,
Existing Instrumentation portion 5a1a and source rewriting portion 5a1b, the Instrumentation portion 5a1a is based on the data received, to binary system
Control parameter 5a7a2 and 5a2b or binary device memory 5a7a3 and 5a2c are rewritten, if binary system control parameter
5a7a2 and 5a2b or binary device memory 5a7a3 and 5a2c are written over, then source rewriting portion 5a1b is based on the number received
According to being rewritten to source control parameter 8a2 or source device memory 8a3.
It is also loaded into addition, program is rewritten in Instrumentation program and source to memory 5a2, but diagram is omitted.
In addition, buffer 5a2d is set in memory 5a2.Buffer 5a2d be in binary system control parameter 5a2b and
Coincident indicator in 5a7a2 is set to the data or binary device memory 5a2c and 5a7a3 of the control parameter of " 0 "
In the coincident indicator equipment that is set to " 0 " data rewritten in the case where, revised data are buffered
Region.
The size of buffer 5a2d is set in other programs and data are not counteracted in the range of.
Figure 11 is the flow chart for indicating the processing of Instrumentation involved in embodiment 1.Instrumentation portion 5a1a is such as
Fruit receives the rewriting instruction and rewriting data of the data of control parameter or equipment from programable display 3, then executes Figure 11 institute
The processing shown.
Although in addition, being the rewriting for receiving the data of control parameter or equipment from programable display 3 to control device 5
The case where instruction and rewriting data, is illustrated, and but not limited to this.Control device 5 can also be from control program creation apparatus
2, higher level's control device 4 or other control program creation apparatus other than controlling program creation apparatus 2 receive control parameter
Or the rewriting instruction and rewriting data of the data of equipment.
Instrumentation portion 5a1a in the step s 100, the control parameter or equipment that will be received from programable display 3
Data be written to binary system control parameter 5a2b and 5a7a2 or binary device memory 5a2c and 5a7a3.
Control device 5 can be such that the data received from programable display 3 are immediately reflected in control action as a result,.
Figure 12 is the flow chart for indicating the source write-in processing of control device involved in embodiment 1.If binary system changes
The portion 5a1a of writing performs processing shown in Figure 11, that is, to binary system control parameter 5a2b and 5a7a2 or binary device memory
5a2c and 5a7a3 are rewritten, then source rewriting portion 5a1b executes processing shown in Figure 12.
Whether equal values determination unit 5a1b1 in step s 110, referring to etc. values whether list 8a4, determine from programmable
List 8a4 whether the values the such as whether control parameter or equipment that display 3 receives are described in, that is, connect from programable display 3
Whether the control parameter or equipment received is the control parameter or equipment for carrying out equal values.
The control that if determination unit 5a1b1 is judged to receiving from programable display 3 in step s 110 whether equal values
Parameter or equipment processed are not required to the control parameter or equipment (No) of values such as carrying out, then end processing.
On the other hand, if determination unit 5a1b1 is judged to connecing from programable display 3 in step s 110 whether waiting values
The control parameter or equipment received is to carry out the control parameter or equipment (Yes) of equal values, then processing is made to enter to step
S112。
Write section 5a1b2 is buffered in step S112, referring to etc. values whether list 8a4, determine from programable display 3
Whether coincident indicator is set to " 1 " to the control parameter or equipment received in list 8a4 whether equal values, that is, from can compile
Whether the control parameter or equipment that journey display 3 receives are the control parameter or equipment for needing values such as carrying out immediately.
If the control parameter that buffering write section 5a1b2 is judged to receiving from programable display 3 in step S112
Or equipment is to need the control parameter or equipment (Yes) of values such as carrying out immediately, then processing is made to enter to step S114.
Source write section 5a1b3 is in step S114, by the number of the control parameter or equipment that receive from programable display 3
According to write-in to source control parameter 8a2 or source device memory 8a3, end processing.
Control device 5 can carry out immediately the needs received to wait the control parameter of values or the data of equipment as a result,
It is written immediately to source control parameter 8a2 or source device memory 8a3.Control device 5 can reduce revised data and lose as a result,
A possibility that mistake.
On the other hand, if buffering what write section 5a1b2 was judged to receiving from programable display 3 in step S112
Control parameter or equipment are not required to the control parameter or equipment (No) of values such as carrying out immediately, then processing is made to enter to step
S116。
Write section 5a1b2 is buffered in step S116, determines the control parameter or equipment received from programable display 3
Whether buffer 5a2d is already present on.
If the control parameter that buffering write section 5a1b2 is judged to receiving from programable display 3 in step S116
Or equipment is already present on buffer 5a2d (Yes), then processing is made to enter to step S118.
Write section 5a1b2 is buffered in step S118, by the control parameter received from programable display 3 or equipment
Data cover is ended processing to buffer 5a2d.
Control device 5 can reduce the number of the data write-in of internally storage unit 5a7 as a result,.Internally storage unit 5a7
Data write-in take a considerable amount of time, and become CPU5a1 load.Therefore, control device 5 is by reducing internally
The number of the data write-in of storage unit 5a7, so as to reduce the processing load of CPU 5a1.
In addition, to the data of SSD write-in number, there are the upper limits in the case where inside portion 5a7 is SSD.That is, just counting
For write-in number, SSD has the service life.Therefore, control device 5 is written by reducing the data of internally storage unit 5a7
Number, so as to which inside portion 5a7 be used for a long time can.
On the other hand, if buffering what write section 5a1b2 was judged to receiving from programable display 3 in step S116
Control parameter or equipment are not present in buffer 5a2d (No), then processing is made to enter to step S120.
Write section 5a1b2 is buffered in the step s 120, by the control parameter received from programable display 3 or equipment
Data are written to buffer 5a2d, end processing.
Control device 5 can be for be considered should be excellent compared with a possibility that reducing revised loss of data as a result,
The control parameter or equipment for first realizing the load of control device 5, buffer its data.Internally storage unit 5a7
Data write-in takes a considerable amount of time, and becomes the load of CPU 5a1.Therefore, control device 5 can be realized point of load
It dissipates.
Figure 13 is the flow chart for indicating source exception processes involved in embodiment 1.Source write section 5a1b3 is in step S140
In, if being unsatisfactory for scheduled condition (No), wait, after meeting scheduled condition (Yes), processing is made to enter to step
S142。
About scheduled condition, following multiple conditions are exemplified.1st is the utilization rate of CPU 5a1 less than or equal to pre-
The case where fixed threshold value.In this case, CPU 5a1 has processing surplus energy, therefore source write section 5a1b3 executes step S142's
Processing.
2nd is the case where idle capacity of buffer 5a2d is less than or equal to scheduled threshold value.In this case, hereafter
Control parameter or the buffering of data of equipment be possible to not carry out, therefore source write section 5a1b3 executes the place of step S142
Reason.
3rd is that control device 5 is received from control program creation apparatus 2, programable display 3 or higher level's control device 4
To the case where the instruction for indicating execution step S142.In this case, source write section 5a1b3 according to control program creation apparatus 2,
The instruction of programable display 3 or higher level's control device 4 executes the processing of step S142.User passes through to control program creation
Device 2 or programable display 3 are operated, so as to make source write section 5a1b3 execute step S142 in desired timing
Processing.
Higher level's control device 4 will indicate the case where instruction for executing step S142 is sent to control device 5, exemplify
Occur when production line starts operation, when each integral point moment or production line terminate operation.
4th is the case where timer 5a3 carries out timing to the scheduled time.In this case, if from control device 5
It has operated and have passed through the scheduled time, then write section 5a1b3 in source executes the processing of step S142.In addition, timer 5a3 repeatedly
In the case where carrying out timing to the scheduled time, source write section 5a1b3 is every to pass through the scheduled time, executes the place of step S142
Reason.
5th is the case where control device 5 is notified from the exception that UPS 10 receives system power supply 9.About system power supply 9
Exception, exemplify power failure, instantaneous power failure or variation in voltage.In this case, write section 5a1b3 in source is in order to reduce buffer
A possibility that loss of data in 5a2d, executes the processing of step S142.
6th is CPU 5a1 by implementing self diagnosis processing, detects the abnormal situation of control device 5.In the situation
Under, a possibility that source write section 5a1b3 is in order to reduce the loss of data in buffer 5a2d, executes the processing of step S142.
The content of buffer 5a2d is written to source control parameter 8a2 or source and is set in step S142 by source write section 5a1b3
Standby memory 8a3, ends processing.
As a result, control device 5 data of control parameter or equipment after change can be reflected in source control parameter 8a2 or
In source device memory 8a3.Control device 5 can deposit binary system control parameter 5a2b and 5a7a2 or binary device as a result,
This case that the revised loss of data in reservoir 5a2c or 5a7a3 inhibited.
Figure 14 is the process for indicating the project data editing and processing of control program creation apparatus involved in embodiment 1
Figure.
Source project data editorial office 21a1 receives source project data 8a in step S150, from control device 5, and covering is to depositing
The source project data 24a in storage portion 24.
Next, source project data editorial office 21a1 receives operation input from the user in step S152, to source work
Number of passes is edited according to 24a.
Next, compiling portion 21a2 in step S154, is compiled source project data 24a, binary system engineering is created
Data 24b is simultaneously covered.
Next, in step S156, source project data 24a and binary system project data 24b are sent by compiling portion 21a2
To control device 5, end processing.
As described above, control program creation apparatus 2 can in control device 5 by the source work after data rewriting
Number of passes is edited according to 24a.As a result, control device 5 can in control device 5 this case that revised loss of data into
Row inhibits.
In addition, even if the feelings rewritten based on the instruction from programable display 3 to data in control device 5
Under condition, the source project data 24a after control program creation apparatus 2 can also be written over data is edited.Control dress as a result,
Even if setting 5 situations different with the device edited to source project data 24a in the device for the instruction for sending out data rewriting
Under, this case that revised loss of data it can also inhibit in control device 5.
In addition, control device 5 only writes the data of the control parameter or equipment that describe in list 24a4 whether equal values
Enter to source control parameter 8a2 or source device memory 8a3.Control device 5 can only set source control parameter 8a2 or source as a result,
The data rewriting of the preferred control parameter rewritten or equipment in standby memory 8a3.
In addition, control device 5 can only to it is in source control parameter 8a2 or source device memory 8a3, etc. values whether
The data of control parameter or equipment that " 1 " is set in the project of the coincident indicator of list 24a4 are rewritten immediately.It controls as a result,
Device 5 processed can be by reduction a possibility that revised loss of data, and can be realized the dispersion of load.
In addition, control device 5 can to it is in source control parameter 8a2 or source device memory 8a3, etc. values whether arrange
The data of control parameter or equipment that " 0 " is set in the project of the coincident indicator of table 24a4 are buffered.Moreover, if meeting
Scheduled condition, then control device 5 data of the control parameter buffered or equipment can be written to source control parameter 8a2
Or source device memory 8a3.Control device 5 can reduce the number of the data write-in of internally storage unit 5a7 as a result,.Inwardly
The data write-in of portion storage unit 5a7 takes a considerable amount of time, and becomes the load of CPU 5a1.Therefore, control device 5 is logical
The number for reducing the data write-in of internally storage unit 5a7 is crossed, so as to reduce the processing load of CPU 5a1.
Embodiment 2.
Figure 15 is the functional block diagram of control device involved in embodiment 2.It is internal as described in explanation in embodiment 1
The reading speed and writing speed of storage unit 5a7 is faster than the reading speed and writing speed in external storage portion 8.Therefore, in inside
In the case where sufficient idle capacity of the storage unit 5a7 with storage source project data 8a, preferably inside portion 5a7 is to source work
Number of passes is stored according to 8a.
Therefore, in the control device 5A involved in embodiment 2, inside portion 5a7 carries out source project data 8a
Storage.
The reading speed and writing speed of inside portion 5a7 is faster than the reading speed and writing speed in external storage portion 8.
In addition, the CPU 5a1 processing duty ratio CPU 5a1 that internally storage unit 5a7 is read out and is written is carried out to external storage unit 8
It reads and the processing load of write-in is small.
Therefore, in embodiment 2, the data of the control parameter to values such as needing or equipment are not buffered, but
It is written immediately to source control parameter 8a2 or source device memory 8a3.
Therefore, control device 5A involved in embodiment 2 does not need the slow of control device 5 involved in embodiment 1
Rush write section 5a1b2 and buffer 5a2d.In addition, list 8a4 does not need the project of coincident indicator whether waiting values.
Figure 16 is the flow chart for indicating the source write-in processing of control device involved in embodiment 2.If binary system changes
The portion 5a1a of writing performs processing shown in Figure 11, that is, to binary system control parameter 5a2b and 5a7a2 or binary device memory
5a2c and 5a7a3 are rewritten, then source rewriting portion 5a1b executes processing shown in Figure 16.
Determination unit 5a1b1 is in step S160 whether equal values, referring to etc. values whether list 8a4, determine from programmable
List 8a4 whether the values the such as whether control parameter or equipment that display 3 receives are described in, that is, connect from programable display 3
Whether the control parameter or equipment received is the control parameter or equipment for carrying out equal values.
If the control that determination unit 5a1b1 is judged to receiving from programable display 3 in step S160 whether equal values
Parameter or equipment processed are not required to the control parameter or equipment (No) of values such as carrying out, then end processing.
On the other hand, if determination unit 5a1b1 is judged to connecing from programable display 3 in step S160 whether waiting values
The control parameter or equipment received is to carry out the control parameter or equipment (Yes) of equal values, then processing is made to enter to step
S162。
Source write section 5a1b3 is in step S162, by the number of the control parameter or equipment that receive from programable display 3
According to write-in to source control parameter 8a2 or source device memory 8a3, end processing.
As described above, control device 5A the data of the control parameter received or equipment can be written immediately to
Source control parameter 8a2 or source device memory 8a3.Control device 5A can be to number revised in control device 5A as a result,
Inhibited according to this case is lost.
Structure shown in above embodiment shows an example of the contents of the present invention, also can be with other public affairs
The technology known is combined, and in the range for not departing from purport of the invention, can also be omitted a part of structure, change.
The explanation of label
1 control system, 2 control program creation apparatus, 3 programable displays, 4 higher level's control devices, 5,5A control device,
5a1 CPU, 5a1a Instrumentation portion, the source 5a1b rewriting portion, the determination unit whether values such as 5a1b1,5a1b2 buffer write section,
The source 5a1b3 write section, 5a2 memory, 5a2a, 5a7a1,24b1 binary system control program, 5a2b, 5a7a2,24b2 binary system control
Parameter processed, 5a2c, 5a7a3,24b3 binary device memory, 5a2d buffer, 5a7 inside portion, 5a7a, 24b bis- into
Project data processed, 8 external storage portions, the source 8a, 24a project data, the source 8a1,24a1 control program, the source 8a2,24a2 control ginseng
Number, 8a3,24a3 source device memory, the list whether values such as 8a4,24a4.
Claims (4)
1. a kind of control device comprising:
Storage unit, source project data of the storage comprising control program and including the information for executing control program when institute reference；
And
The source project data stored in the storage unit is rewritten based on the data received by source rewriting portion,
The storage unit also reciprocity value whether list stored, grade values or not include only to describe the source in list
The information of the control program when institute reference is being executed and what should be rewritten executing the control journey in project data
The project of the information of institute's reference when sequence,
Source rewriting portion is only executing the control to should being rewritten of describing in list whether the equal values
The information of institute's reference is rewritten when program.
2. control device according to claim 1, which is characterized in that
The storage unit also stores the binary system project data after being compiled the source project data,
Also there is Instrumentation portion, which is deposited based on the data received in the storage unit
The binary system project data of storage is rewritten,
List includes the project of coincident indicator whether the equal values, if the project description of the coincident indicator has the binary system
Project data is written over, if the source project data rewritten immediately,
Source rewriting portion in the project of the coincident indicator describe have it is rewriting immediately, when executing the control program
The information of institute's reference is rewritten immediately.
3. control device according to claim 2, which is characterized in that
Also there is buffer,
Source rewriting portion will be described in the project of the coincident indicator have it is not rewriting immediately, executing the control
Be written will be in the buffer then if meeting scheduled condition to the buffer for the information of institute's reference when program
Data are written to the source project data.
4. a kind of control system comprising:
Control device described in claim 2 or 3；And
Program creation apparatus is controlled, with source project data editorial office and compiling portion, the source project data editorial office is to from institute
It states the source project data that control device receives to be edited, which is compiled the source project data and creates
The binary system project data is built, the binary system project data is sent to the control device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/055081 WO2016135835A1 (en) | 2015-02-23 | 2015-02-23 | Control device and control system |
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| CN107407920A CN107407920A (en) | 2017-11-28 |
| CN107407920B true CN107407920B (en) | 2019-05-17 |
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| Country | Link |
|---|---|
| JP (1) | JP6173615B2 (en) |
| KR (1) | KR101827238B1 (en) |
| CN (1) | CN107407920B (en) |
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| WO (1) | WO2016135835A1 (en) |
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| CN102713774A (en) * | 2010-01-20 | 2012-10-03 | 三菱电机株式会社 | Programmable controller system and development system |
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- 2015-02-23 WO PCT/JP2015/055081 patent/WO2016135835A1/en active Application Filing
- 2015-02-23 CN CN201580076754.8A patent/CN107407920B/en active Active
- 2015-02-23 KR KR1020177023031A patent/KR101827238B1/en active IP Right Grant
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- 2016-02-19 TW TW105104896A patent/TWI612405B/en active
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| JPH0383104A (en) * | 1989-08-28 | 1991-04-09 | Matsushita Electric Works Ltd | Programmable sequencer |
| JPH11242509A (en) * | 1998-02-26 | 1999-09-07 | Omron Corp | Programmable logic controller |
| JP2008006525A (en) * | 2006-06-28 | 2008-01-17 | Sk:Kk | Grinding machine of saw chain |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI612405B (en) | 2018-01-21 |
| CN107407920A (en) | 2017-11-28 |
| WO2016135835A1 (en) | 2016-09-01 |
| JPWO2016135835A1 (en) | 2017-04-27 |
| KR20170103972A (en) | 2017-09-13 |
| TW201640240A (en) | 2016-11-16 |
| KR101827238B1 (en) | 2018-03-22 |
| JP6173615B2 (en) | 2017-08-02 |
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