CN208386578U - A kind of IO-LINK master station device for supporting multibus - Google Patents
A kind of IO-LINK master station device for supporting multibus Download PDFInfo
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- CN208386578U CN208386578U CN201820769052.9U CN201820769052U CN208386578U CN 208386578 U CN208386578 U CN 208386578U CN 201820769052 U CN201820769052 U CN 201820769052U CN 208386578 U CN208386578 U CN 208386578U
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Abstract
The utility model relates to a kind of IO-LINK master station devices for supporting multibus, including central processing module and communication module；Communication module includes Industrial Ethernet module, CAN interface module, RS485 communication module, IO-LINK main website physical layer communication module and wireless communication module；Wherein, the central processing module has multiple UART interfaces；Industrial Ethernet module is connected to central processing module by MII interface mode；CAN interface module is connected to the central processing module by UART interface；RS485 communication module is connected to central processing module by UART interface；Wireless communication module is connect using UART interface with the central processing module.I O layer equipment smooth upgrade is IO-LINK equipment in the case where can not changing existing PC control hardware structure by periodic data and the processing of aperiodic data separating.Most of advantages of IO-LINK technology are remained simultaneously.
Description
Technical field
The utility model relates to field of communication technology more particularly to a kind of IO-LINK master station devices for supporting multibus.
Background technique
IO-LINK is a kind of communication technology of I O layer grade that one kind emerging in recent years is novel, it is not a kind of new
Field bus technique, but a kind of point-to-point communication technology can transmit event, configuration, process data, mesh on M12 cable
It is preceding to be received to IEC 61131-9 international standard.IO-LINK equipment usually requires IO-LINK main website and serves as gateway, thus
IO-LINK equipment is accessed into fieldbus or Industrial Ethernet communicates.Main website will be connected as the equipment on fieldbus
The message that IO-LINK equipment in main website transmits is explained, and is repackaged into frame, and be sent to Fieldbus Control in real time and set
It is standby, such as PLC, industrial personal computer；Main website can also be under the control of port and device configuration tool (PDCT) and to IO-LINK simultaneously
The parameter of equipment is configured；And there is nonvolatile memory, for saving the IO-LINK being connected in main website in main website
The message of equipment.
IO-LINK unites the interface of sensor and actuator, allows to carry out IO company with same interface
It connects, reduces spare part type, so that automation equipment is more modular, improve automation equipment assembly and adjustment efficiency.
And event, the configuration data of IO-LINK transmitting can be used for the debugging and fault diagnosis of I O layer, to improve system
Global reliability.
The technical standard of fieldbus is not unified at present, and there are multiple fieldbus standard, every kind of fieldbus is all accounted for
According to certain market share, there is no a kind of prevailing fieldbus or Industrial Ethernet.And current existing IO-
The main website scheme of LINK is both for a certain fixed bus.Multibus for market and the status deposited, single fieldbus
Main website scheme improve the purchase cost of integration of equipments quotient, and limit its subsequent upgrade potentiality.
In addition, a large amount of fieldbus based I/O device is had existed in existing industrial enterprise, such as
Modbus data collector etc..If only if by I O layer equipment, it is substituted for IO-LINK equipment, it is impossible to be filled after implementation
Existing advantage of the IO-LINK on I O layer fault diagnosis, flexible configuration and system maintainability of fission, embody these completely
Advantage then needs to change PC control layer software, and the configuration debugging code of I O layer is added in control software.And this process
Complexity can allow user lack implement new technology power.
In addition, existing PDCT tool is matched by the way of the USB or the access wired connections such as fieldbus
It sets.This mode is limited by equipment installation position and space, and large enterprise more for I O point number is inconvenient for use.
Utility model content
A kind of IO-LINK master station device for supporting multibus that the utility model embodiment proposes, present invention aims at
It solves IO-LINK and is integrated in all kinds of fieldbus modes complexity, upgrading used equipment needs to change original control system, is unfavorable for old
The upgrading of equipment.And existing IO-LINK device configuration tool (PDCT) usually connects IO-LINK with wired modes such as USB
Main website need to carry out configuration work in industry spot, inconvenient.
A kind of IO-LINK master station device for supporting multibus, including central processing module and communication module；The communication mould
Block includes Industrial Ethernet module, CAN interface module, RS485 communication module, IO-LINK main website physical layer communication module
And wireless communication module.Wherein, Industrial Ethernet module is connected to central processing module by MII interface mode；CAN bus
Interface module is connected to central processing module by UART interface；RS485 communication module is connected at center by UART interface
Manage module；Wireless communication module is connect using UART interface with central processing module.Wherein, the central processing module is for reading
The device parameter of IO-LINK equipment is taken, and is communicated by the Industrial Ethernet module, CAN interface module or RS485
Module and main control device establishment process agent data；The wireless communication module is used to establish aperiodic data generation with server
Reason.
Further, IO-LINK main website communicate simultaneously exchange cycle data with main control device by fieldbus.
Further, Industrial Ethernet module includes data link interface unit, ethernet physical layer chip, network transformation
Device and RJ45 interface or the light Ethernet by photoelectric conversion；The ethernet physical layer chip, network transformer, RJ45 connect
The ethernet physical layer packet sending and receiving of the responsible physical layer of mouth；The data-link of the data link interface unit operation Industrial Ethernet
Road floor.
Further, central processing module includes microprocessor, memory ram, ROM, Flash, MMCD and peripheral circuit
Composition.
Further, wireless communication module is communicated in a manner of wireless ethernet, and uses MQTT agreement and server
Exchange data.
Implement the utility model embodiment, has the following beneficial effects:
1, a kind of device for the IO-LINK main website for supporting multibus includes: the data link for supporting a variety of Industrial Ethernet
Layer module, physical layer block；Support the Can data link layer and physical layer block of DeviceNet and Canopen；It supports
The data link layer and physical layer communication module of Profibus DP and Modbus.And support the wireless communication of wifi or bluetooth
Module.
1, IO-LINK equipment message separately transmits: process data message is transferred to control by Industrial Ethernet, fieldbus
Control equipment such as PLC or PAC, equipment debugging and event information are transferred in remote server by wireless module, by server
It is responsible for processing and is forwarded to mobile end equipment.PDCT tool by Field Force in mobile terminal carries out parameter configuration.This mode
So that without adding event or configuration code on control equipment PLC or IPC, but thing is handled by additional wireless network channel
Part and allocation message.
2, remote server is responsible for forwarding the event of IO-LINK equipment, diagnosis and control message.Both it can pass through OPC
The mode of server is integrated into MES system, can also be forwarded to mobile device end, carries out device configuration at the scene for Field Force
And control.
3, the PDCT tool at wireless mobile end can lead to mobile PDCT tool and mode and run on local by wireless communication
Net or the server in cloud are associated.It carries out IO-LINK main website in this way to be communicated, to carry out IO-LINK equipment
Parameter configuration and debugging.Field Force's operation being facilitated, setting Field Force without can be carried out IO-LINK into scene
Standby debugging, parameter configuration etc..
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is that the utility model provides a kind of structural schematic diagram of device for supporting multibus IO-LINK main website.
Fig. 2 is a kind of support multibus IO-LINK main website provided by the utility model integrated morphology schematic diagram.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.
Referring to Fig. 1 and Fig. 2, Fig. 1 is that the utility model provides a kind of structure of device for supporting multibus IO-LINK main website
Schematic diagram, Fig. 2 are a kind of support multibus IO-LINK main website provided by the utility model integrated morphology schematic diagrames.This is practical new
The purpose of type is to solve the multibus coexisting issues that current IO-LINK main website faces, and provides a kind of IO- for supporting multibus
LINK master station device, and the scheme that existing I/O device is smoothly transitted into IO-LINK equipment is provided, the program can retain most of
IO-LINK is in diagnosis, configuration, the technical advantage of installation.And wireless communication is utilized in IO-LINK main website, realization is set
Standby diagnosis, configuration can be completed flexibly with mobile hand-held device.
The utility model embodiment provides a kind of device for supporting multibus IO-LINK main website, specifically includes: industrial ether
Net module, CAN interface module, RS485 communication module, IO-LINK main website physical layer communication module, central processing module with
And wireless communication module.Wherein, the central processing module has multiple UART interfaces；The Industrial Ethernet module passes through MII
Interface mode is connected to the central processing module；The CAN interface module is connected to the center by UART interface
Processing module；The RS485 communication module is connected to the central processing module by UART interface；The radio communication mold
Block is connect using UART interface with the central processing module.
Wherein, the central processing module is used to read the device parameter of IO-LINK equipment, and passes through the industrial ether
Net module, CAN interface module or RS485 communication module and main control device establishment process agent data；The wireless communication
Module is used to establish aperiodic agent data with server.
IO-LINK main website communicate with main control device by fieldbus and exchange cycle data.Wherein, this implementation
Process data is also periodic data in example, and event, diagnosis, control data are also aperiodicity data.
Industrial Ethernet module includes data link interface unit, ethernet physical layer chip, network transformer and RJ45
Interface or light Ethernet by photoelectric conversion.Ethernet physical layer chip, network transformer, RJ45 interface are responsible for physics
The ethernet physical layer packet sending and receiving of layer.Data link interface unit runs the data link layer of Industrial Ethernet, can adopt
With the industrial ether such as support Profinet, PowerLink, EtherCAT, Ethernet/IP, Modbus/TCP under software control
Network bus communication.The protocol stack of Industrial Ethernet in central processing module more than operation, thus supporting industry ether Netcom
Letter.The data-link layer unit of Industrial Ethernet can realize using the PRU-ICSS unit in the sitara processor of Ti,
PRU-ICSS can be by a variety of Industrial Ethernet of programming support, and can be by the data-link layer unit of Ethernet and center
Processing unit integrates, to reduce PCB expense.
CAN interface module includes that CAN physical layer transceiver and interlock circuit form.CAN interface module is used to
It realizes and supports CANOpen, DeviceNet physical layer and data link layer, and the operation support in central processing unit module
The protocol stack of CANOpen, DeviceNet.CAN interface can realize with the CAN controller for being integrated in microprocessor, or solely
Vertical CAN physical layer transceiver such as ISO1050T is realized.
RS485 communication module is made of 485 communication isolating transceivers with accessory circuit, and isolated transceiver uses
ISO1176T.RS485 communication module is used to support the physical layer and data link layer communication of Profibus and Modbus, at center
Operation support Profibus and Modbus communication protocol stack in processing module.
Wireless communication module is communicated in a manner of WIFI, bluetooth, GPRS etc., and wireless communication module can use transparent transmission mould
Formula is communicated with the server in local area network.Such as: it is communicated using ESP8266.
Central processing module includes microprocessor, memory ram, ROM, Flash and MMCD etc. and peripheral circuit composition.
Microprocessor uses sitara processor AM437x or the AM335x processor of TI, and memory includes volatile memory DDR
SDRAM and nonvolatile memory NAND FLASH, DDR SDRAM uses the K4H511638D of Samsung, NAND Flash to use
The K9F5608UOD of Samsung, central processing module run real time operating system such as vxWorks, FreeRTOS, TI-RTOS, ucOS,
QNX and the linux system for beating real-time patch.The task of main operation controller has: the agreement of a certain fieldbus above-mentioned
Stack, IO-LINK master station protocol stack, protocol conversion task, wireless communications task, parameter synchronization and store tasks, major state pipe
Reason.
IO-LINK main website by wireless communication module and scene wireless router access to LAN, by the clothes of local area network
Business device or cloud server are responsible for processing and forwarding.It is event, diagnosis and control message by the message that the radio channel transmits.
Operation monitoring or warning function on the server Realtime Alerts and can remind Field Force to be handled when I/O device damage,
Server can also access the MES system of factory by OPC or OPC UA interface simultaneously.In addition Field Force passes through mobile device
It is communicated with server, the warning message of mobile device acceptable server, and can have PDCT function by mobile APP
Can, configuration can be carried out to IO-LINK equipment.
IO-LINK module is made of digital isolation module and IO-LINK main website physical layer transceiver module and accessory circuit,
Digital isolation module uses Max14931, and IO-LINK main website physical layer transceiver module uses Max14819, central processing module
It is attached thereto using SPI interface, SPI connection 4 Max14819, every Max14819 can support two-way IO-LINK to communicate.
Communication module described above is divided into three parts: first part is IO-LINK main website physical layer communication module, IO-
LINK main website is connect with live actuator with sensor, for transmit the periodic data of live IO-LINK equipment with it is aperiodic
Property data；Second part is field bus communication, including Industrial Ethernet communication module, CAN interface module, RS485 lead to
Believe module.Synchronization can only be communicated using a kind of fieldbus, which kind of communication acquire DIP switch in booting using
The position 1-3 state determine.The periodic data that IO-LINK communication generates is transmitted on fieldbus and supplies by fieldbus part
Controller uses；Part III is wireless communication section, and wireless communication section transmits IO-LINK main website physical layer communication module
The aperiodic data come, such as debugging, event, alarm, configuration information are transmitted in network server.
When program starts, DIP switch state is first checked for, DIP1-3 forms 32 system positions, can represent 0-7 in total 8
A number determines the Field bus type used by the state of DIP switch, selects Profinet when such as DIP1-3 being 0.No
Same fieldbus will load different driver and protocol stack for different communication modules.For Industrial Ethernet, make
The MAC layer of Industrial Ethernet is realized with the PRU coprocessor that Sitara processor is internally integrated.
Then, IO-LINK communication module is initialized, loads IO-LINK protocol stack, and scan the port IO-LINK, is read
The parameter of IO-LINK equipment, and carry out parameter testing.
After having checked IO-LINK device parameter, according to the IO-LINK equipment of connection, the mistake towards fieldbus is established
Journey agent data.Such as Profinet, a SLOT is set and represents IO-LINK main website, for each IO-LINK equipment, if
A subSlot is set, the process data of each IO-LINK equipment is mapped in subSlot.Controller in Profinet bus
Respective process data can be addressed to by the device address IO-LINK and SLOT and subSLOT, thus reading process number
According to.
Next, it, is connected to proxy server, ESP8266 by intiating radio module ESP8266 in a manner of WIFI
Module is integrated with ICP/IP protocol and MQTT agreement, is registered using MQTT mode and subscribes to theme.The theme of registration has: equipment ginseng
Number theme, event topic, direct parameter replys theme, ISDU parameter replys theme.
The theme of subscription has: device parameter confirms theme, recovery theme, and direct parameter accesses theme, ISDU parameter
Access theme.
According to the parameter that IO-LINK equipment scans, pass through the device parameter theme sending device parameter in the channel MQTT to generation
Server is managed, server describes file according to the field bus device that the parameter sent can automatically generate IO-LINK main website.
According to the device description file that generates above, configuration can be carried out in bus at the scene, so as to pass through controller
PLC or PAC reads the process data in IO-LINK main website by fieldbus.
The PDCT configuration tool of any mobile terminal or the end PC, can be connected to proxy server by the way of MQTT,
Theme is replied by registered events, direct parameter accesses theme, ISDU parameter access theme to be led to IO-LINK main website
Letter.By this communication mechanism, the device parameter setting and debugging of IO-LINK can be carried out with PDCT.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of IO-LINK master station device for supporting multibus, which is characterized in that including central processing module and communication module；
The communication module includes Industrial Ethernet module, CAN interface module, RS485 communication module, IO-LINK main website physics
Layer communication module and wireless communication module；Wherein, the Industrial Ethernet module is connected in described by MII interface mode
Heart processing module；The CAN interface module CAN interface module is connected to the center processing mould by UART interface
Block；The RS485 communication module is connected to the central processing module by UART interface；The wireless communication module uses
UART interface is connect with the central processing module module；
Wherein, the central processing module is used to read the device parameter of IO-LINK equipment, and passes through the Industrial Ethernet mould
Block, CAN interface module or RS485 communication module and main control device establishment process agent data；The wireless communication module
For establishing aperiodic agent data with server.
2. a kind of IO-LINK master station device for supporting multibus according to claim 1, which is characterized in that IO-LINK master
It stands and communicate simultaneously exchange cycle data with main control device by fieldbus.
3. a kind of IO-LINK master station device for supporting multibus according to claim 1, which is characterized in that industrial ether
Net module includes data link interface unit, ethernet physical layer chip, network transformer and RJ45 interface or is turned by photoelectricity
The light Ethernet changed；The ethernet physical layer chip, network transformer, RJ45 interface are responsible for the Ethernet physics of physical layer
Layer packet sending and receiving；The data link layer of the data link interface unit operation Industrial Ethernet.
4. a kind of IO-LINK master station device for supporting multibus according to claim 1, which is characterized in that the center
Processing module includes microprocessor, memory ram, ROM, Flash, MMCD and peripheral circuit composition.
5. a kind of IO-LINK master station device for supporting multibus according to claim 1, which is characterized in that described wireless
Communication module is communicated in a manner of wireless ethernet, and using MQTT agreement and the aperiodic data of server exchange.
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| CN201820769052.9U CN208386578U (en) | 2018-05-22 | 2018-05-22 | A kind of IO-LINK master station device for supporting multibus |
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| CN201820769052.9U CN208386578U (en) | 2018-05-22 | 2018-05-22 | A kind of IO-LINK master station device for supporting multibus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320875A (en) * | 2019-07-12 | 2019-10-11 | 华中科技大学 | A kind of PAC cloud operational system based on MQTT agreement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320875A (en) * | 2019-07-12 | 2019-10-11 | 华中科技大学 | A kind of PAC cloud operational system based on MQTT agreement |
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Granted publication date: 20190115 |