CN104683335A - Modbus-Mechatrolink III protocol conversion device and protocol conversion method thereof - Google Patents
Modbus-Mechatrolink III protocol conversion device and protocol conversion method thereof Download PDFInfo
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- CN104683335A CN104683335A CN201510072439.XA CN201510072439A CN104683335A CN 104683335 A CN104683335 A CN 104683335A CN 201510072439 A CN201510072439 A CN 201510072439A CN 104683335 A CN104683335 A CN 104683335A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention discloses a Modbus-Mechatrolink III protocol conversion device and a protocol conversion method thereof. The device comprises a Modbus module, an ARM module and a Mechatrolink III module which are sequentially connected, wherein the Modbus module is connected with Modbus equipment and used for transmitting messages adopting a Modbus protocol between the Modbus equipment and the ARM module; the ARM module is used for converting the first message adopting the Modbus protocol from the Modbus equipment to a second message adopting a Mechatrolink III protocol and sending the second message to the Mechatrolink III module; the Mechatrolink III module is connected with Mechatrolink III equipment and used for transmitting the message adopting the Mechatrolink III protocol between the Mechatrolink III module and the ARM module. Through the mode, Modbus protocol messages and Mechatrolink III protocol messages can be mutually converted.
Description
Technical field
The present invention relates to field of Internet communication, particularly relate to a kind of Modbus-Mechatrolink III protocol conversion apparatus and method for converting protocol thereof.
Background technology
Control along with Industry Control controls to develop into the network interconnection from unit, the fieldbus for communication between industry spot measuring instrument plays more and more important effect.
Modbus agreement is a kind of master-slave mode serial port communicating protocol being applicable to industrial control field, it adopts inquiry communication modes to carry out the information transmission of master-slave equipment, widely using of it makes it become a current industry standard, the control appliance that different vendor produces can be linked to be industrial network by it, carries out centralized monitor.The message structure that this protocol definition controller can use, describes the process of other equipment of controller request access, uses principal and subordinate's transmission mode, and main website initiates transfer of data, and the data frame structure that slave station sends according to parsing main website makes response.
MechatrolinkIII agreement is the bus-type servo-driver released of peace river and the standard industry Ethernet protocol supported of I/O device, and transmission speed is fast, and real-time is high, can support that interpolation cycle is to 31.25us the soonest.Be characterized in carry out synchronous communication by circle transmission, the high-speed transfer of 100Mbps can be carried out, best transmission cycle can be selected according to connected station number, transmitted data amount, it is by the connection of standard ethernet, not only reduce cost, and save the distribution between each device.
Many protocol conversion modules are had on the market current, such as Modbus-Profibus, RS232-RS485 etc., because the MechatrolinkIII agreement release time is not long, the product that Modbus agreement of being also correlated with at present and MechatrolinkIII agreement are changed mutually.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of Modbus-Mechatrolink III protocol conversion apparatus and method for converting protocol thereof, can realize the mutual conversion of Modbus protocol message and Mechatrolink III protocol message.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of Modbus-Mechatrolink III protocol conversion apparatus, this protocol conversion apparatus comprises the Modbus module, ARM module and the Mechatrolink III module that connect successively, wherein: Modbus model calling Modbus equipment, for transmitting the message adopting Modbus agreement between Modbus equipment and ARM module; ARM module is used for the first message conversion of the employing Modbus agreement from Modbus equipment being the second message adopting Mechatrolink III agreement, and the second message is sent to Mechatrolink III module; Mechatrolink III model calling Mechatrolink III equipment, for transmitting the message adopting Mechatrolink III agreement between Mechatrolink III module and ARM module.
Wherein, ARM module stores the corresponding relation having identical function between person in Modbus instruction set and Mechatrolink III instruction set, ARM module specifically for: the first message is resolved, be corresponding Mechatrolink III instruction by the Modbus instruction transformation in the first message, and obtain the pending data that the first message comprises; The second message comprising Mechatrolink III instruction and pending data is sent to Mechatrolink III module.
Wherein, ARM module is concrete also for the 3rd message that receives the employing Mechatrolink III agreement that Mechatrolink III module sends, and the 3rd message is the response message of the second message; 3rd message is resolved, the Mechatrolink III response instruction in the 3rd message is converted to corresponding Modbus response instruction, and obtain the response data that the 3rd message comprises; The 4th message comprising Modbus response instruction and response data is sent to Modbus module.
Wherein, six message of ARM module also for by the 5th message conversion of the employing Mechatrolink III agreement from Mechatrolink III module being employing Modbus agreement, and the 6th message is sent to Modbus module.
Wherein, ARM module stores the corresponding relation having identical function between person in Modbus instruction set and Mechatrolink III instruction set, ARM module specifically for: the 5th message is resolved, be corresponding Modbus instruction by the Mechatrolink III instruction transformation in the 5th message, and obtain the pending data that the 5th message comprises; The 6th message comprising Modbus instruction and pending data is sent to Modbus module.
Wherein, ARM module is concrete also for the 7th message that receives the employing Modbus agreement that Modbus module sends, and the 7th message is the response message of the 5th message; 7th message is resolved, the Modbus response instruction in the 7th message is converted to corresponding Mechatrolink III response instruction, and obtain the response data that the 7th message comprises; The 8th message comprising Mechatrolink III response instruction and response data is sent to Mechatrolink III module.
Wherein, protocol conversion apparatus also comprises power module and reseting module; Power module connects ARM module, for providing power supply for ARM module; Reseting module connects ARM module, for after powering on, resets to ARM module.
Wherein, Mechatrolink III module comprises the Mechatrolink III protocol chip, Ethernet PHY chip, electromagnetic isolation chip and the external connector that connect successively; Wherein, Mechatrolink III protocol chip connects FSMC interface and the INT interrupt interface of ARM module, and external connector is plugged in the interface of Mechatrolink III equipment.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the method for converting protocol providing a kind of Modbus-Mechatrolink III protocol conversion apparatus, protocol conversion apparatus comprises the Modbus module connected successively, ARM module and Mechatrolink III module, Modbus model calling Modbus equipment, Mechatrolink III model calling Mechatrolink III equipment, ARM module stores the corresponding relation having identical function between person in Modbus instruction set and Mechatrolink III instruction set, method comprises: ARM module obtains the first message of the employing Modbus agreement that Modbus equipment sends from Modbus module, first message conversion is the second message adopting Mechatrolink III agreement by ARM module, second message is sent to Mechatrolink III equipment by Mechatrolink III module by ARM module.
Wherein, ARM module obtains the 5th message of the employing Mechatrolink III agreement that Mechatrolink III equipment sends from Mechatrolink III module; 5th message conversion is the 6th message adopting Modbus agreement by ARM module; 6th message is sent to Modbus equipment by Modbus module by ARM module.
The invention has the beneficial effects as follows: the situation being different from prior art, the present invention transmits by Modbus module the message adopting Modbus agreement between Modbus equipment and ARM module; First message conversion of the employing Modbus agreement from Modbus equipment is the second message adopting Mechatrolink III agreement by ARM module, and the second message is sent to Mechatrolink III module; Six message of ARM module also for by the 5th message conversion of the employing Mechatrolink III agreement from Mechatrolink III module being employing Modbus agreement, and the 6th message is sent to Modbus module; Mechatrolink III module transmits the message adopting Mechatrolink III agreement between Mechatrolink III module and ARM module.The agreement of Modbus equipment and Mechatrolink III equipment can be changed mutually, realize the transfer of data of Modbus equipment and Mechatrolink III equipment, control mutually, be convenient to the control between main website and slave station and data feedback, cost-saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of Modbus-Mechatrolink III protocol conversion apparatus first execution mode of the present invention;
Fig. 2 is the structural representation of Modbus-Mechatrolink III protocol conversion apparatus second execution mode of the present invention;
Fig. 3 is the another structural representation of Modbus-Mechatrolink III protocol conversion apparatus second execution mode of the present invention;
Fig. 4 is the flow chart of method for converting protocol first execution mode of Modbus-Mechatrolink III protocol conversion apparatus of the present invention;
Fig. 5 is the flow chart of method for converting protocol second execution mode of Modbus-Mechatrolink III protocol conversion apparatus of the present invention.
Embodiment
Consult Fig. 1, the structural representation of Modbus-Mechatrolink III protocol conversion apparatus first execution mode of the present invention, this device 110 comprises the Modbus module 111, ARM module 112 and the Mechatrolink III module 113 that connect successively;
Wherein, Modbus module 111 connects Modbus equipment 120, for transmitting the message adopting Modbus agreement between Modbus equipment 120 and ARM module 112; Second message of ARM module 112 for by the first message conversion of the employing Modbus agreement from Modbus equipment 120 being employing Mechatrolink III agreement, and the second message is sent to Mechatrolink III module 113; Mechatrolink III module 113 connects Mechatrolink III equipment 130, for transmitting the message adopting Mechatrolink III agreement between Mechatrolink III module 113 and ARM module 130.
Wherein, ARM module 112 stores the corresponding relation having identical function between person in Modbus instruction set and Mechatrolink III instruction set, ARM module 112 specifically for: the first message is resolved, be corresponding Mechatrolink III instruction by the Modbus instruction transformation in the first message, and obtain the pending data that the first message comprises; The second message comprising Mechatrolink III instruction and pending data is sent to Mechatrolink III module 113.
Wherein, ARM module 112 is concrete also for the 3rd message that receives the employing Mechatrolink III agreement that Mechatrolink III module 113 sends, and the 3rd message is the response message of the second message; 3rd message is resolved, the Mechatrolink III response instruction in the 3rd message is converted to corresponding Modbus response instruction, and obtain the response data that the 3rd message comprises; The 4th message comprising Modbus response instruction and response data is sent to Modbus module 111.
In addition, six message of ARM module 112 also for by the 5th message conversion of the employing Mechatrolink III agreement from Mechatrolink III module 113 being employing Modbus agreement, and the 6th message is sent to Modbus module 111.
Wherein, ARM module 112 stores the corresponding relation having identical function between person in Modbus instruction set and Mechatrolink III instruction set, ARM module 112 specifically for: the 5th message is resolved, be corresponding Modbus instruction by the Mechatrolink III instruction transformation in the 5th message, and obtain the pending data that the 5th message comprises; The 6th message comprising Modbus instruction and pending data is sent to Modbus module 111.
Wherein, ARM module 112 is concrete also for the 7th message that receives the employing Modbus agreement that Modbus module 111 sends, and the 7th message is the response message of the 5th message; 7th message is resolved, the Modbus response instruction in the 7th message is converted to corresponding Mechatrolink III response instruction, and obtain the response data that the 7th message comprises; The 8th message comprising Mechatrolink III response instruction and response data is sent to Mechatrolink III module 113.
Wherein, Modbus module 111 and Mechatrolink III module 113 include the interface connecting Modbus equipment 120 and Mechatrolink III equipment 130 respectively, for being plugged in outside Modbus equipment 120 and Mechatrolink III equipment 130.
In addition, this ARM module 112 also has Interruption function, ensures that ARM module 112 is treated deal with data when each interruption and processed, and the data after process is sent; Or this ARM module 112 comprises a timer, this ARM module 112 carries out data processing in timer interruption each time, the data after process is sent simultaneously, ensure that the stationarity for instruction processing delay.
In practical operation, after connecting Modbus equipment 120 and Mechatrolink III equipment 130 by Modbus-Mechatrolink III protocol conversion apparatus 110, can mutually control and transmit data between Modbus equipment 120 and Mechatrolink III equipment 130, also can feed back the response message of the other side's control message respectively.
Be different from prior art, present embodiment transmits by Modbus module the message adopting Modbus agreement between Modbus equipment and ARM module; First message conversion of the employing Modbus agreement from Modbus equipment is the second message adopting Mechatrolink III agreement by ARM module, and the second message is sent to Mechatrolink III module; Six message of ARM module also for by the 5th message conversion of the employing Mechatrolink III agreement from Mechatrolink III module being employing Modbus agreement, and the 6th message is sent to Modbus module; Mechatrolink III module transmits the message adopting Mechatrolink III agreement between Mechatrolink III module and ARM module.The agreement of Modbus equipment and Mechatrolink III equipment can be changed mutually, realize the transfer of data of Modbus equipment and Mechatrolink III equipment, control mutually, be convenient to the control between main website and slave station and data feedback, cost-saving.
Consult Fig. 2, the structural representation of Modbus-Mechatrolink III protocol conversion apparatus second execution mode of the present invention, this device comprises the Modbus module 201, ARM module 202 and the Mechatrolink III module 203 that connect successively;
Wherein, protocol conversion apparatus also comprises power module 204 and reseting module 205; Power module 204 is for providing power supply; Reseting module 205 connects ARM module, for after powering on, resets to ARM module 202.
Preferably, consult Fig. 3, ARM module can be STM32F103VCT6 chip 312 simultaneously, and power module can be TPS54325 chip 314, and reseting module can be TPS3808G01 chip 315.STM32F103VCT6 chip 312 has interrupt function, ensures the real-time of physical data transfer, in interruption each time, carries out data processing, the data after process is sent simultaneously.
In addition, Modbus module can be RS485 module 311; RS485 module comprises RS485 unit 3111 and insulating power supply 3112, and insulating power supply 3112 provides insulating power supply for giving the isolated form RS485 transceiver in RS485 unit 3111, and wherein, insulating power supply 3112 is a insulating power supplies of ZY0505BS.
Wherein, Mechatrolink III module 313 comprises the Mechatrolink III protocol chip 3131, Ethernet PHY chip 3132, electromagnetic isolation chip 3133 and the external connector 3134 that connect successively; Wherein, Mechatrolink III protocol chip 3131 connects FSMC interface and the INT interrupt interface of ARM module 312, and external connector 3134 is plugged in the interface of Mechatrolink III equipment 330.
Wherein, Ethernet PHY chip 3132 connects at least two electromagnetic isolation chips 3133, each electromagnetic isolation chip 3133 is plugged in the interface of Mechatrolink III equipment 330 by external connector 3134, to realize the control of Modbus equipment 320 pairs of multiple stage Mechatrolink III equipment 330.
Be different from prior art, present embodiment is using STM32F103VCT6 chip as core, receive Modbus protocol message by RS485 unit and by STM32F103VCT6 chip, Modbus instruction set be converted into Mechatrolink III instruction set, by Mechatrolink III protocol chip Mechatrolink III instruction set encapsulated again and send again, and realize Interruption by STM32F103VCT6 chip, ensure the real-time of physical data transfer, data processing is carried out in interruption each time, data after process are sent simultaneously, ensure that the stationarity for instruction processing delay.
Consult Fig. 4, the flow chart of method for converting protocol first execution mode of Modbus-Mechatrolink III protocol conversion apparatus of the present invention, the method comprises:
Step 401:ARM module obtains the first message of the employing Modbus agreement that Modbus equipment sends from Modbus module;
First message conversion is the second message adopting Mechatrolink III agreement by step 402:ARM module;
Second message is sent to Mechatrolink III equipment by Mechatrolink III module by step 403:ARM module.
After the second message data is sent to Mechatrolink III equipment, if Mechatrolink III equipment responds, also comprise after step 403: ARM module receives the 3rd message of the employing Mechatrolink III agreement that Mechatrolink III module sends, and the 3rd message is the response message of the second message; 3rd message is resolved, the Mechatrolink III response instruction in the 3rd message is converted to corresponding Modbus response instruction, and obtain the response data that the 3rd message comprises; The 4th message comprising Modbus response instruction and response data is sent to Modbus module.
Consult Fig. 5, the flow chart of method for converting protocol second execution mode of Modbus-Mechatrolink III protocol conversion apparatus of the present invention, the method comprises:
Step 501:ARM module obtains the 5th message of the employing Mechatrolink III agreement that Mechatrolink III equipment sends from Mechatrolink III module;
5th message conversion is the 6th message adopting Modbus agreement by step 502:ARM module;
6th message is sent to Modbus equipment by Modbus module by step 503:ARM module.
After the 6th message data is sent to Modbus equipment, if Modbus equipment responds, also comprise after step 503: ARM module receives the 7th message of the employing Modbus agreement that Modbus module sends, and the 7th message is the response message of the 6th message; 7th message is resolved, the Modbus response instruction in the 7th message is converted to corresponding Mechatrolink III response instruction, and obtain the response data that the 7th message comprises; The 8th message comprising Mechatrolink III response instruction and response data is sent to Mechatrolink III module.
Present embodiment is a kind of implementation method based on above-mentioned Modbus-Mechatrolink III protocol conversion apparatus, and its embodiment is similar, repeats no more here.
To sum up, present embodiment transmits by Modbus module the message adopting Modbus agreement between Modbus equipment and ARM module; First message conversion of the employing Modbus agreement from Modbus equipment is the second message adopting Mechatrolink III agreement by ARM module, and the second message is sent to Mechatrolink III module; Six message of ARM module also for by the 5th message conversion of the employing Mechatrolink III agreement from Mechatrolink III module being employing Modbus agreement, and the 6th message is sent to Modbus module; Mechatrolink III module transmits the message adopting Mechatrolink III agreement between Mechatrolink III module and ARM module.The agreement of Modbus equipment and Mechatrolink III equipment can be changed mutually, realize the transfer of data of Modbus equipment and Mechatrolink III equipment, control mutually, be convenient to the control between main website and slave station and data feedback, cost-saving.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a Modbus-Mechatrolink III protocol conversion apparatus, is characterized in that, described protocol conversion apparatus comprises the Modbus module, ARM module and the Mechatrolink III module that connect successively, wherein:
Described Modbus model calling Modbus equipment, for transmitting the message adopting Modbus agreement between described Modbus equipment and described ARM module;
Described ARM module is used for the first message conversion of the employing Modbus agreement from described Modbus equipment being the second message adopting Mechatrolink III agreement, and described second message is sent to described Mechatrolink III module;
Described Mechatrolink III model calling Mechatrolink III equipment, for transmitting the message adopting Mechatrolink III agreement between described Mechatrolink III module and described ARM module.
2. protocol conversion apparatus according to claim 1, is characterized in that, described ARM module stores the corresponding relation having identical function between person in Modbus instruction set and Mechatrolink III instruction set, described ARM module specifically for:
Resolving described first message, is corresponding Mechatrolink III instruction by the Modbus instruction transformation in described first message, and obtains the pending data that described first message comprises;
The second message comprising described Mechatrolink III instruction and described pending data is sent to described Mechatrolink III module.
3. protocol conversion apparatus according to claim 2, is characterized in that, described ARM module concrete also for:
Receive the 3rd message of the employing Mechatrolink III agreement that described Mechatrolink III module sends, described 3rd message is the response message of described second message;
Described 3rd message is resolved, the Mechatrolink III response instruction in described 3rd message is converted to corresponding Modbus response instruction, and obtain the response data that described 3rd message comprises;
The 4th message comprising described Modbus response instruction and described response data is sent to described Modbus module.
4. protocol conversion apparatus according to claim 1, it is characterized in that, six message of described ARM module also for by the 5th message conversion of the employing Mechatrolink III agreement from described Mechatrolink III module being employing Modbus agreement, and described 6th message is sent to described Modbus module.
5. protocol conversion apparatus according to claim 4, is characterized in that, described ARM module stores the corresponding relation having identical function between person in Modbus instruction set and Mechatrolink III instruction set, described ARM module specifically for:
Resolving described 5th message, is corresponding Modbus instruction by the Mechatrolink III instruction transformation in described 5th message, and obtains the pending data that described 5th message comprises;
The 6th message comprising described Modbus instruction and described pending data is sent to described Modbus module.
6. protocol conversion apparatus according to claim 5, is characterized in that, described ARM module concrete also for:
Receive the 7th message of the employing Modbus agreement that described Modbus module sends, described 7th message is the response message of described 5th message;
Described 7th message is resolved, the Modbus response instruction in described 7th message is converted to corresponding Mechatrolink III response instruction, and obtain the response data that described 7th message comprises;
The 8th message comprising described Mechatrolink III response instruction and described response data is sent to described Mechatrolink III module.
7. protocol conversion apparatus according to claim 1, is characterized in that, described protocol conversion apparatus also comprises power module and reseting module;
Described power module connects described ARM module, for providing power supply for described ARM module;
Described reseting module connects described ARM module, for after powering on, resets to described ARM module.
8. protocol conversion apparatus according to claim 1, is characterized in that, described Mechatrolink III module comprises the Mechatrolink III protocol chip, Ethernet PHY chip, electromagnetic isolation chip and the external connector that connect successively;
Wherein, described Mechatrolink III protocol chip connects FSMC interface and the INT interrupt interface of described ARM module, and described external connector is plugged in the interface of described Mechatrolink III equipment.
9. the method for converting protocol of a Modbus-Mechatrolink III protocol conversion apparatus, it is characterized in that, described protocol conversion apparatus comprises the Modbus module, ARM module and the Mechatrolink III module that connect successively, described Modbus model calling Modbus equipment, described Mechatrolink III model calling Mechatrolink III equipment, described ARM module stores the corresponding relation having identical function between person in Modbus instruction set and Mechatrolink III instruction set, and described method comprises:
Described ARM module obtains the first message of the employing Modbus agreement that described Modbus equipment sends from described Modbus module;
Described first message conversion is the second message adopting Mechatrolink III agreement by described ARM module;
Described second message is sent to described Mechatrolink III equipment by described Mechatrolink III module by described ARM module.
10. method according to claim 9, is characterized in that, described method also comprises:
Described ARM module obtains the 5th message of the employing Mechatrolink III agreement that described Mechatrolink III equipment sends from described Mechatrolink III module;
Described 5th message conversion is the 6th message adopting Modbus agreement by described ARM module;
Described 6th message is sent to described Modbus equipment by described Modbus module by described ARM module.
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| CN201510072439.XA CN104683335A (en) | 2015-02-11 | 2015-02-11 | Modbus-Mechatrolink III protocol conversion device and protocol conversion method thereof |
| PCT/CN2015/100361 WO2016127722A1 (en) | 2015-02-11 | 2015-12-31 | Modbus-mechatrolink iii protocol conversion device and protocol conversion method therefor |
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| CN201510072439.XA CN104683335A (en) | 2015-02-11 | 2015-02-11 | Modbus-Mechatrolink III protocol conversion device and protocol conversion method thereof |
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| CN107819772A (en) * | 2017-11-14 | 2018-03-20 | 苏州谷夫道自动化科技有限公司 | Ethercat MechatrolinkIII protocol conversion apparatus and method |
| WO2019148363A1 (en) * | 2018-01-31 | 2019-08-08 | 成都强思科技有限公司 | Single-core multi-network protocol conversion system |
| CN110247936A (en) * | 2019-08-01 | 2019-09-17 | 深圳市英威腾电气股份有限公司 | A kind of communications protocol transition card and Conversion System of Communication Protocol |
| CN110247936B (en) * | 2019-08-01 | 2022-07-05 | 深圳市英威腾电气股份有限公司 | Communication protocol conversion card and communication protocol conversion system |
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| WO2016127722A1 (en) | 2016-08-18 |
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