CN111131291B - Protocol implementation method using upper computer software as lower computer equipment - Google Patents
Protocol implementation method using upper computer software as lower computer equipment Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000013507 mapping Methods 0.000 claims abstract description 31
- 238000004590 computer program Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims description 13
- 230000006870 function Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/546—Message passing systems or structures, e.g. queues
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40013—Details regarding a bus controller
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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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Abstract
The invention discloses a protocol implementation method of upper computer software as lower computer equipment. The invention comprises the following steps: the upper computer program stores the state data of the industrial equipment in a memory; storing each identifier in a database managed by an upper computer; an algorithm of a set of program running address is built in the upper computer program, and the identification is quickly converted into a memory address; setting a service name understood by a user for the mapping initial address of each register; the upper computer converts the device value according to the requirement and maps the converted value into the array according to the bit, and instantly reversely converts the value written into the array by the user according to the requirement and writes the converted value into the device pointed by the identifier. The invention virtualizes a space allowing the configuration of the user in the upper computer, the internal data of the software are serialized to the area according to the user requirement, and external software or hardware is read and written in the area in a mode of being compatible with Modbus protocol through various interfaces, thereby achieving the purpose of reading or modifying the equipment managed by the upper computer and reducing the operation difficulty.
Description
Technical Field
The invention belongs to the technical field of communication protocol management, and particularly relates to a protocol implementation method by taking upper computer software as lower computer equipment.
Background
The manufacturers of the current industrial equipment are different, the written lower-level protocols and upper-level computer systems are different, so that a complete industrial production line is caused, a natural information island appears, data cannot be effectively exchanged and statistically operated cooperatively, the communication protocol is exactly designed from an upper-level computer, the uniqueness of the lower-level computer communication protocol is shielded, the method and the specification for developing external data by the upper-level computer are unified, the equipment data can be unified to an upper-level platform for operation management, and various data sources can be comprehensively collected and can be set in a unified mode by using the protocol.
With the current use of smart devices, the vast amount of configuration software, a common information interaction between devices, and a protocol for information interaction between software using an industrial communication protocol, has become more urgent! The protocol and interface design is initially a feasible public implementation designed for solving the information island formed by each device and each software.
Disclosure of Invention
The invention aims to provide a protocol implementation method of upper computer software as lower computer equipment, which is characterized in that a space allowing a user to configure is virtualized in an upper computer, internal data of the software are serialized to the area according to user requirements, external software or hardware is read and written in the area in a mode of being compatible with Modbus protocol through various interfaces, the purpose of reading or modifying equipment managed by the upper computer is achieved, and the problems that the operation difficulty of the existing lower computer equipment is high and a large amount of cost is required to be consumed for training are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a protocol realization method of upper computer software as lower computer equipment, which comprises the following steps:
step S1: the upper computer program stores state data of the industrial equipment in a random memory of the upper computer program, and each state data corresponds to a unique identification mark;
step S2: storing each identifier in a database managed by an upper computer;
step S3: an algorithm of a set of program running address is built in the upper computer program, and the identification is quickly converted into a memory address;
step S4: the user can map one or more needed devices into an array according to the actual service requirement, and set a service name understood by the user for the mapping initial address of each register;
step S5: the upper computer converts the device value according to the requirement and maps the converted value into the array according to the bit, and instantly reversely converts the value written into the array by the user according to the requirement, writes the converted value into the device pointed by the identifier and provides feedback;
step S6: the upper computer program provides an interface to allow an external program to read and write the value fields mapped by the array according to the Modbus standard through various interfaces;
step S7: after the upper computer realizes the protocol, the external program is no longer in direct communication with the physical device.
Preferably, in the step S1, the upper computer includes a plurality of program modules; each of the program modules is configured to interact with a lower computer system via a set communication protocol.
Preferably, the program module comprises a setting module, a log module and a right management module; the right management module is used for protecting and judging the reading and writing of the area; the setting module is used for configuring corresponding program modules according to functions to be tested in the upper computer system; the log module is used for recording the execution process of each functional module.
Preferably, in the step S3, the algorithm of the program running address can lock the required memory address only by one addressing action.
Preferably, in step S5, when the external program reads and writes the array in the upper computer, the device address is the user-specified number of the computer in which the upper computer program is located, the register address is the array index number, and the number of data bits is the node count.
Preferably, in step S6, the user setting and the default memory area location information of the system are stored in the database, and the entity is implemented through the interface; the interface is one or more of TCP/IP, COMM and memory mapping.
Preferably, in step S7, after the upper computer implements the protocol, a special command is added to the protocol, and when the external program requests to set a certain mapping area to a certain predetermined value, the lower computer program considers that the device pointed by the mapping area pointed by the communication command is requested to be read immediately; when the upper computer executes the instruction, the device is immediately read once and the mapping area value is updated.
The invention has the following beneficial effects:
(1) The invention virtualizes a space allowing the configuration of the user in the upper computer, the internal data of the software is serialized to the area according to the user requirement, and external software or hardware is read and written in the area in a mode of being compatible with Modbus protocol through various interfaces, thereby achieving the purpose of reading or modifying the equipment managed by the upper computer, leading an accessor to directly access the mapping data table, and realizing the protection of the interfaces.
(2) According to the invention, the upper computer is directly used for reading or modifying the managed equipment, and an operator can easily realize related operation according to instructions without professional training, so that the operation training cost is greatly reduced; the mechanical, electronic and hardware parts of the product have simple design structure, are mainly controlled by software, are convenient to maintain, and reduce the cost of replacing special accessories.
(3) The industrial production equipment managed by the upper computer can be directly read or modified by the upper computer, so that the energy consumption of electric energy, heat energy and the like can be reduced to the maximum extent under the condition of ensuring the product quality;
(4) The protocol of the invention allows a user to define a certain instruction, and the upper computer can immediately acquire and update the appointed equipment once, and the instruction ensures that the user can effectively have expected possibility for the preset equipment, thereby perfectly realizing the target and actual expected management of the user setting equipment and providing possibility for excellent user experience and safety management and control of the access program.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a step diagram of a protocol implementation method of an upper computer software as a lower computer device according to the present invention;
FIG. 2 is a diagram of an array structure defined in the upper computer program of the present invention;
FIG. 3 is a state diagram of an array when mapping data of one Byte with an index M as a starting mapping position;
FIG. 4 is a state diagram of an array when mapping data of one Int16 with an index M as a starting mapping position;
fig. 5 is a state diagram of an array when mapping data of one Int32 by using the index M as a starting mapping position.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention relates to a protocol implementation method using upper computer software as lower computer equipment, comprising the following steps:
step S1: the upper computer program stores state data of the industrial equipment in a random memory of the upper computer program, and each state data corresponds to a unique identification mark;
step S2: storing each mark in a database managed by an upper computer, wherein the marks are automatically generated according to a certain rule when an operator configures related information of industrial equipment through an upper computer program;
step S3: an algorithm of a program running address is built in the upper computer program, the identification is quickly converted into a memory address, and the addressing complexity of the algorithm is 1, namely, the required memory address can be locked through 1 addressing action;
step S4: the user can map one or more needed devices into an array according to the actual service requirement, and set a service name understood by the user for the mapping initial address of each register, so that the efficiency is improved and the program management cost is reduced in the subsequent reading and writing;
step S5: the upper computer converts the device value according to the requirement and maps the converted value into the array according to the bit, and instantly reversely converts the value written into the array by the user according to the requirement, writes the converted value into the device pointed by the identifier and provides feedback;
step S6: the upper computer program provides an interface to allow an external program to read and write the value fields mapped by the array according to the Modbus standard through various interfaces;
step S7: after the upper computer realizes the protocol, the external program is not directly communicated with the physical equipment, so that the trouble that different services all need to develop a communication program for the equipment value is avoided, the communication protocol of each equipment is inconsistent, and the development cost is also over high.
In step S1, the upper computer includes a plurality of program modules; each program module is configured to interact with a lower computer system through a set communication protocol, and the upper computer program is computer software which is supported by industrial equipment (such as a temperature controller and a frequency converter) through a hardware or software interface, sends instructions according to a protocol required by the equipment, and periodically reads relevant state data of the industrial equipment.
The program module comprises a setting module, a log module and a permission management module; the right management module is used for protecting and judging the reading and writing of the area; the setting module is used for configuring the corresponding program module according to the function to be tested in the upper computer system; the log module is used for recording the execution process of each functional module.
In step S3, the algorithm of the program running address can lock the required memory address only by one addressing action.
As shown in fig. 2, in the upper computer program, an array is defined, and each structure can map data of one bit, namely 8 bit long values;
when a user needs to configure the mapping function of the present protocol, there are several array states:
a) The index M is selected as a starting mapping position and is used for mapping data of one Byte, and the array state is shown in figure 3;
b) The index M is selected as a starting mapping position and used for mapping data of one Int16, and the array state is shown in fig. 4;
c) The index M is selected as a starting mapping position and used for mapping data of one Int32, and the array state is shown in fig. 5;
d) The maximum data supporting mapping is Int64, and the array enables 8 nodes to map.
In step S5, when the external program reads and writes the array in the upper computer, the device address is the user-specified number of the computer in which the upper computer program is located, the register address is the array index number, and the number of data bits is the node count.
In step S6, the user setting and default memory area location information of the system are stored in the database, and the entity is realized through the interface; the interface is one or more of TCP/IP, COMM and memory mapping.
In step S7, after the upper computer implements the protocol, a special instruction is added to the protocol, and when the external program requests to set a certain mapping area to a certain predetermined value (configurable), the lower computer program considers that the device pointed by the mapping area pointed by the communication instruction is requested to be read immediately once; when the upper computer executes the instruction, the device is immediately read once and the mapping area value is updated, so that the external program can be ensured to well realize the visual design obtained by the set method.
It should be noted that, in the above system embodiment, each unit included is only divided according to the functional logic, but not limited to the above division, so long as the corresponding function can be implemented; in addition, the specific names of the functional units are also only for distinguishing from each other, and are not used to limit the protection scope of the present invention.
In addition, those skilled in the art will appreciate that all or part of the steps in implementing the methods of the embodiments described above may be implemented by a program to instruct related hardware, and the corresponding program may be stored in a computer readable storage medium.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The protocol implementation method of the upper computer software as the lower computer equipment is characterized by comprising the following steps:
step S1: the upper computer program stores state data of the industrial equipment in a random memory of the upper computer program, and each state data corresponds to a unique identification mark;
step S2: storing each identifier in a database managed by an upper computer;
step S3: an algorithm of a set of program running address is built in the upper computer program, and the identification is quickly converted into a memory address;
step S4: the user can map one or more needed devices into an array according to the actual service requirement, and set a service name understood by the user for the mapping initial address of each register;
step S5: the upper computer converts the device value according to the requirement and maps the converted value into the array according to the bit, and instantly reversely converts the value written into the array by the user according to the requirement, writes the converted value into the device pointed by the identifier and provides feedback;
step S6: the upper computer program provides an interface to allow an external program to read and write the value fields mapped by the array according to the Modbus standard through various interfaces;
step S7: after the upper computer realizes the protocol, the external program is no longer in direct communication with the physical device.
2. The method for implementing the protocol by using the upper computer software as the lower computer device according to claim 1, wherein in the step S1, the upper computer includes a plurality of program modules; each of the program modules is configured to interact with a lower computer system via a set communication protocol.
3. The method for implementing the protocol by using the upper computer software as the lower computer device according to claim 2, wherein the program modules comprise a setting module, a log module and a rights management module; the right management module is used for protecting and judging the reading and writing of the area; the setting module is used for configuring corresponding program modules according to functions to be tested in the upper computer system; the log module is used for recording the execution process of each functional module.
4. The method according to claim 1, wherein in step S3, the algorithm of the program running address locks the required memory address only by one addressing action.
5. The method according to claim 1, wherein in step S5, when the external program reads and writes the array in the host computer, the device address is the user-specified number of the computer in which the host computer program is located, the register address is the array index number, and the number of data bits is the node count.
6. The method for implementing the protocol by using the upper computer software as the lower computer device according to claim 1, wherein in the step S6, the user-set and default memory area location information of the system are stored in the database, and the entity is implemented through the interface; the interface is one or more of TCP/IP, COMM and memory mapping.
7. The method according to claim 1, wherein in step S7, after the host computer implements the protocol, a special command is added to the protocol, and when the external program requests to set a certain mapping area to a certain predetermined value, the host computer program considers that the device to which the mapping area pointed by the communication command is directed is requested to be read immediately; when the upper computer executes the instruction, the device is immediately read once and the mapping area value is updated.
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Address after: 528200 Block A-2, No. 3 Xiangda Road, Danzao, Nanhai District, Foshan City, Guangdong Province (address declaration) Patentee after: Guangdong Zhongpeng Thermal Energy Technology Co.,Ltd. Address before: No.1 and No.2 workshops, No.9 Panjin Road, South China hardware industrial base, Danzao Town, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG JUMPER THERMAL TECHNOLOGY Co.,Ltd. |