CN111813038A - Method and system for simultaneously supporting CCO (common client) mode and STA (station) mode on PLC (programmable logic controller) module - Google Patents
Method and system for simultaneously supporting CCO (common client) mode and STA (station) mode on PLC (programmable logic controller) module Download PDFInfo
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- CN111813038A CN111813038A CN202010661903.XA CN202010661903A CN111813038A CN 111813038 A CN111813038 A CN 111813038A CN 202010661903 A CN202010661903 A CN 202010661903A CN 111813038 A CN111813038 A CN 111813038A
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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
- G05B19/054—Input/output
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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
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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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 relates to the field of microprocessor control, in particular to a method for simultaneously supporting CCO (central processing unit) and STA (station) modes on a PLC (programmable logic controller) module, which can solve the problem that the current module can only support one mode at a time, and recompilation and re-burning are needed if modification is needed, and can realize the switching of different equipment functions through a control end, thereby greatly improving the working efficiency. The method comprises the steps of respectively realizing SDK functions corresponding to a CCO mode and an STA mode on a PLC module at an equipment end, modifying an STA burning address to be not coincident with the CCO in a configuration file config.xml, modifying macro for configuring the CCO and the STA functions to be defined as a # if # else structure, adding a partition instruction ATSTA and an ATCCO in the SDK, writing the ATSTA instruction into flash through the ATSTA instruction, restarting the module, reading a value in the flash after the module is restarted, initializing the STA mode function if the value is the STA, writing the CCO into the flash through the ATCCO instruction, restarting the module, reading the value in the flash after the module is restarted, and initializing the CCO mode function if the value is the CCO. The PLC module is suitable for control.
Description
Technical Field
The invention relates to the field of microprocessor control, in particular to a method and a system for simultaneously supporting a CCO (main node module) mode and an STA (sub-node module) mode on a PLC (programmable logic controller) module.
Background
With the development of semiconductor technology, especially microprocessor and microcomputer technology, PLC combines the advantages of complete, flexible and universal computer function and the advantages of simple and easy-to-understand relay control system, convenient operation and low price, and its status in industrial automation control, especially sequential control, cannot be replaced in the foreseeable future. Nowadays, the depth and breadth of PLC application has become one of the important national industry advancement marks.
At present, the PLC module can only support one mode, namely a CCO mode or an STA mode, and recompilation and rewriting are needed if modification is needed, so that the operation is very inconvenient.
Disclosure of Invention
The invention aims to provide a method and a system for simultaneously supporting CCO (common client) and STA (station) modes on a PLC (programmable logic controller) module, which can solve the problem that the current module can only support one mode at a time, and recompilation and re-burning are needed if the current module needs to be modified, can realize the switching of different equipment functions through a control end, and greatly improve the working efficiency.
The invention adopts the following technical scheme to realize the purpose, and the method for simultaneously supporting the CCO mode and the STA mode on the PLC module comprises the following steps:
step (1), the functions of SDK (software development kit) corresponding to the CCO mode and the STA mode are respectively realized on a PLC module at the equipment end;
step (2), in the configuration file config.xml, modifying the STA burning address to be not coincident with the CCO;
step (3), modifying macro definition of CCO and STA functions to be # if # else structure;
and (4) adding a partition instruction ATSTA and an ATCCO (asynchronous transfer mode control) in the SDK, writing the STA into the flash area by the ATSTA instruction, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, initializing the STA mode function if the value is the STA, writing a CCO into the flash area by the ATCCO instruction, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing the CCO mode function if the value is the CCO.
Further, in order to realize flexible control at the control end, the method for simultaneously supporting the CCO mode and the STA mode on the PLC module further includes the following steps:
step (5), the PLC module is electrified, node information in the topology is detected, and the node information is sent to the control end;
step (6), the control end sends a control instruction to the PLC module according to the node information, if the control instruction is ATSTA, the PLC module automatically writes STA into the flash area, the PLC module is restarted, the value in the flash area is read after the PLC module is restarted, and if the value is STA, the STA mode function is initialized and the STA mode state is returned to the control end; if the control instruction is ATCCO, automatically writing CCO into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and if the value is CCO, initializing a CCO mode function and returning a CCO mode state to the control end;
and (7) the control end sends a data transmission instruction to the PLC module according to the node information, the PLC module analyzes the data transmission instruction and sends the data transmission instruction to the MCU electronic control board according to a corresponding communication protocol, and the MCU electronic control board returns the equipment state value to the PLC module after the MCU electronic control board executes the operation.
Further, in step (1), the step of respectively implementing the SDK function corresponding to the CCO mode and the STA mode on the PLC module at the device end includes:
A. in a source file universal code block, realizing the universal functions of acquiring topology node information, version information and module restarting;
B. in a source file CCO code block, firstly realizing a channel forwarding function to support data interaction between main equipment and opposite-end equipment, and secondly realizing a corresponding function requirement instruction to support the function requirement of a client;
C. and in a source file STA code block, realizing a corresponding function requirement instruction so as to support the function requirement of a client.
Realize the system that supports CCO and STA mode simultaneously on the PLC module, include:
the SDK module is used for respectively realizing SDK functions corresponding to the CCO mode and the STA mode on the PLC module at the equipment end;
the configuration module is used for modifying the STA burning address into non-coincidence with the CCO and modifying macro definition for configuring the CCO and the STA function into a # if # else structure in the configuration file config.xml;
the command module is used for adding a partition command ATSTA and an ATCCO (asynchronous transfer mode control) in the SDK, the ATSTA command is used for writing STA into the flash area and restarting the PLC module, the PLC module is used for reading a value in the flash area after being restarted and initializing the STA mode function if the value is the STA, the ATCCO command is used for writing CCO into the flash area and restarting the PLC module, the PLC module is used for reading the value in the flash area after being restarted and initializing the CCO mode function if the value is the CCO.
Firstly, respectively realizing SDK functions corresponding to a CCO mode and an STA mode on a PLC module at an equipment end, then modifying an STA burning address to be not coincident with the CCO in a config.xml configuration file, modifying macro definition for configuring the CCO and the STA functions to be a # if # else structure, adding a partition instruction ATSTA and ATCCO in the SDK, writing the STA into a flash area by the ATSTA instruction, restarting the PLC module, reading a value in the flash area after the PLC module is restarted, and initializing the STA mode function if the value is the STA; the ATCCO instruction is used for writing CCO into a flash area, a PLC module is restarted, after the PLC module is restarted, the value in the flash area is read, if the value is CCO, a CCO mode function is initialized, after the steps are completed, the PLC module is powered on, node information in topology is detected, the node information is sent to a control end, the control end sends a control instruction to the PLC module according to the node information, if the control instruction is ATSTA, the PLC module is triggered to automatically execute writing of STA into the flash area, the PLC module is restarted, the value in the flash area is read, and if the value is STA, the STA mode function is initialized and an STA mode state is returned to the control end; if the control instruction is ATCCO, triggering automatic execution to write CCO into the flash area, restarting the PLC module, reading a value in the flash area after the PLC module is restarted, if the value is CCO, initializing a CCO mode function and returning a CCO mode state to the control end, sending a data transmission instruction to the PLC module by the control end according to the node information, sending the data transmission instruction to the MCU electric control board after the data transmission instruction is analyzed by the PLC module according to a corresponding communication protocol, and returning an equipment state value to the PLC module after the MCU electric control board finishes the operation; the problem that the current module can only support one mode at a time, and recompilation and burning are needed if modification is needed is solved, and the switching of different equipment functions is realized through the control end, so that the working efficiency is greatly improved.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
FIG. 2 is a flowchart of an embodiment of a method for controlling at an APP control end according to the present invention.
Detailed Description
The method for simultaneously supporting the CCO mode and the STA mode on the PLC module comprises the following steps of:
step 101: the SDK function corresponding to the CCO mode and the STA mode is respectively realized on a PLC module at the equipment end;
step 102: xml, modifying the STA burning address to be not coincident with CCO;
step 103: modifying the macro for configuring CCO and STA functions into a # if # else structure;
step 104: adding a partition instruction ATSTA and an ATCCO in the SDK;
step 105: the ATCCO command is used for writing CCO into the flash area, the PLC module is restarted, the value in the flash area is read after the PLC module is restarted, and if the value is CCO, the CCO mode function is initialized;
step 106: and the ATSTA instruction is used for writing STA into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing the STA mode function if the value is the STA.
In step 101, the specific method for respectively implementing the SDK function corresponding to the CCO mode and the STA mode on the PLC module at the device side includes the following steps:
D. in a source file universal code block, realizing the universal functions of acquiring topology node information, version information and module restarting;
E. in a source file CCO code block, firstly realizing a channel forwarding function to support data interaction between main equipment and opposite-end equipment, and secondly realizing a corresponding function requirement instruction to support the function requirement of a client;
F. and in a source file STA code block, realizing a corresponding function requirement instruction so as to support the function requirement of a client.
In order to realize flexible control at the control end, the method for simultaneously supporting the CCO mode and the STA mode on the PLC module further comprises the following steps:
G. the PLC module is electrified, detects node information in the topology and sends the node information to the control end;
H. the control end sends a control instruction to the PLC module according to the node information, if the control instruction is ATSTA, the PLC module automatically writes STA into the flash area, restarts the PLC module, reads the value in the flash area after the PLC module is restarted, and if the value is STA, initializes the STA mode function and returns the STA mode state to the control end; if the control instruction is ATCCO, automatically writing CCO into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and if the value is CCO, initializing a CCO mode function and returning a CCO mode state to the control end;
I. the control end sends a data transmission instruction to the PLC module according to the node information, the PLC module sends the data transmission instruction to the MCU electric control board according to a corresponding communication protocol after analyzing the data transmission instruction, and the MCU electric control board returns an equipment state value to the PLC module after executing the operation.
Realize the system that supports CCO and STA mode simultaneously on the PLC module, include:
the SDK module is used for respectively realizing SDK functions corresponding to the CCO mode and the STA mode on the PLC module at the equipment end;
the configuration module is used for modifying the STA burning address into non-coincidence with the CCO and modifying macro definition for configuring the CCO and the STA function into a # if # else structure in the configuration file config.xml;
the command module is used for adding a partition command ATSTA and an ATCCO (asynchronous transfer mode control) in the SDK, the ATSTA command is used for writing STA into the flash area and restarting the PLC module, the PLC module is used for reading a value in the flash area after being restarted and initializing the STA mode function if the value is the STA, the ATCCO command is used for writing CCO into the flash area and restarting the PLC module, the PLC module is used for reading the value in the flash area after being restarted and initializing the CCO mode function if the value is the CCO.
The flow chart of the method of the embodiment of the invention for controlling the APP control end is shown in figure 2, a PLC module is powered on, node information in topology is detected, the node information is sent to the APP control end, the APP control end sends a control instruction to the PLC module according to the node information, if the control instruction is ATSTA, the PLC module automatically writes STA into a flash area, the PLC module is restarted, after the PLC module is restarted, the value in the flash area is read, and if the value is STA, the STA mode function is initialized and the STA mode state is returned to the APP control end; if the control instruction is ATCCO, automatically writing CCO into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and if the value is CCO, initializing a CCO mode function and returning a CCO mode state to the APP control end; the APP control end sends a data transmission instruction to the PLC module according to the node information, the PLC module sends the data transmission instruction to the MCU electric control board according to a corresponding communication protocol after the data transmission instruction is analyzed, and the MCU electric control board returns an equipment state value to the PLC module after the MCU electric control board executes the operation.
In summary, the present invention solves the problem that the current module can only support one mode at a time, and recompilation and re-burning are necessary if modification is needed, and can realize the switching of different device functions through the control end, thereby greatly improving the working efficiency.
Claims (4)
- The method for simultaneously supporting the CCO mode and the STA mode on the PLC module is characterized by comprising the following steps of:step (1), the SDK function corresponding to the CCO mode and the STA mode is respectively realized on a PLC module at the equipment end;step (2), in the configuration file config.xml, modifying the STA burning address to be not coincident with the CCO;step (3), modifying macro definition of CCO and STA functions to be # if # else structure;and (4) adding a partition instruction ATSTA and an ATCCO (asynchronous transfer mode control) in the SDK, writing the STA into the flash area by the ATSTA instruction, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, initializing the STA mode function if the value is the STA, writing a CCO into the flash area by the ATCCO instruction, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and initializing the CCO mode function if the value is the CCO.
- 2. The method of claim 1, further comprising:step (5), the PLC module is electrified, node information in the topology is detected, and the node information is sent to the control end;step (6), the control end sends a control instruction to the PLC module according to the node information, if the control instruction is ATSTA, the PLC module automatically writes STA into the flash area, the PLC module is restarted, the value in the flash area is read after the PLC module is restarted, and if the value is STA, the STA mode function is initialized and the STA mode state is returned to the control end; if the control instruction is ATCCO, automatically writing CCO into the flash area, restarting the PLC module, reading the value in the flash area after the PLC module is restarted, and if the value is CCO, initializing a CCO mode function and returning a CCO mode state to the control end;and (7) the control end sends a data transmission instruction to the PLC module according to the node information, the PLC module analyzes the data transmission instruction and sends the data transmission instruction to the MCU electronic control board according to a corresponding communication protocol, and the MCU electronic control board returns the equipment state value to the PLC module after the MCU electronic control board executes the operation.
- 3. The method according to claim 1, wherein in step (1), the step of implementing the SDK function corresponding to the CCO mode and the STA mode on the PLC module at the device end includes:A. in a source file universal code block, realizing the universal functions of acquiring topology node information, version information and module restarting;B. in a source file CCO code block, firstly realizing a channel forwarding function to support data interaction between main equipment and opposite-end equipment, and secondly realizing a corresponding function requirement instruction to support the function requirement of a client;C. and in a source file STA code block, realizing a corresponding function requirement instruction so as to support the function requirement of a client.
- System for realize supporting CCO and STA mode simultaneously on the PLC module, its characterized in that includes:the SDK module is used for respectively realizing SDK functions corresponding to the CCO mode and the STA mode on the PLC module at the equipment end;the configuration module is used for modifying the STA burning address into non-coincidence with the CCO and modifying macro definition for configuring the CCO and the STA function into a # if # else structure in the configuration file config.xml;the command module is used for adding a partition command ATSTA and an ATCCO (asynchronous transfer mode control) in the SDK, the ATSTA command is used for writing STA into the flash area and restarting the PLC module, the PLC module is used for reading a value in the flash area after being restarted and initializing the STA mode function if the value is the STA, the ATCCO command is used for writing CCO into the flash area and restarting the PLC module, the PLC module is used for reading the value in the flash area after being restarted and initializing the CCO mode function if the value is the CCO.
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