CN110045709A - One kind being based on EtherCAT technical grade remote I/O module - Google Patents
One kind being based on EtherCAT technical grade remote I/O module Download PDFInfo
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- CN110045709A CN110045709A CN201910447216.5A CN201910447216A CN110045709A CN 110045709 A CN110045709 A CN 110045709A CN 201910447216 A CN201910447216 A CN 201910447216A CN 110045709 A CN110045709 A CN 110045709A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
-
- 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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
-
- 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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4188—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by CIM planning or realisation
-
- 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
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25232—DCS, distributed control system, decentralised control unit
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
Abstract
EtherCAT technical grade remote I/O module is based on the invention discloses one kind, and setting is at the scene near equipment, including interface circuit, EtherCAT are from controller and IO voltage conversion circuit；The connection of the master controller of described interface circuit one end and distal end, the other end is connect with field device, for receiving and dispatching the control instruction of the master controller from distal end and the status data of collection site equipment；The EtherCAT is connect from controller with the interface circuit, for realizing the interaction and transfer of status data or control instruction between the interface circuit and field device or the master controller of distal end.The present invention can will be attached apart from farther away field device with master controller, realize the acquisition of the transmitting and field equipment state data that instruct to main controller controls, circuit structure is simple, high efficient and reliable, overcome control system scene complicated the shortcomings that being routed, interference of the interference source to signal is greatly reduced, while also improving the convenience of the project implementation and system maintenance.
Description
Technical Field
The embodiment of the invention relates to the technical field of remote control of field equipment, in particular to an industrial-grade remote IO module based on EtherCAT.
Background
The remote IO module is an industrial-grade remote acquisition and control module, has wide application in modern industrial control, is a key component in a distributed control system, is mainly used for connecting input and output signals of various field devices in the industrial control system and transmitting acquired field signals to a master station or other control systems through a communication network.
With the development of industry and the progress of science and technology, the requirement of an industrial field on a control system is higher and higher, the large-scale and high-integration effect of the modern production environment requires that terminal equipment can collect and output field switching value signals in different areas, and the existing remote IO module cannot meet the requirement of field equipment with a longer control distance.
Disclosure of Invention
The invention provides an EtherCAT-based industrial remote IO module, which aims to overcome the defects of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an industrial-grade remote IO module based on EtherCAT is arranged near field equipment and comprises an interface circuit, an EtherCAT slave controller and an IO voltage conversion circuit; wherein,
one end of the interface circuit is connected with the remote main controller, and the other end of the interface circuit is connected with the field equipment and is used for receiving and transmitting a control instruction from the remote main controller and collecting state data of the field equipment;
the EtherCAT slave controller is connected with the interface circuit and is used for realizing interaction and transfer of state data or control instructions between the interface circuit and field equipment or a remote master controller;
the IO voltage conversion circuit is connected with the EtherCAT slave controller and used for performing voltage conversion on input electric energy and providing electric energy which accords with working voltage for the EtherCAT slave controller.
Further, the EtherCAT-based industrial grade remote IO module also comprises an input circuit and an output circuit;
the input circuit is provided with two input ports through an optical coupler and is respectively connected with the IO voltage conversion circuit;
the output circuit provides two output ports through an optical coupler to be respectively connected with the IO voltage conversion circuit.
Furthermore, in the EtherCAT-based industrial grade remote IO module, each input port or output port is connected with an operation state indicating circuit;
the operating state indicating circuit is used for indicating the operating state of each input port or output port through the on-off condition of the LED indicating lamp in the circuit.
Further, in the EtherCAT-based industrial remote IO module, the type of the optical coupler is TLP 290-4.
Further, the EtherCAT-based industrial grade remote IO module also comprises a power supply circuit;
the power supply circuit is connected with the input circuit and used for providing electric energy for the input circuit.
Further, in the EtherCAT-based industrial remote IO module, the interface circuit includes a slave station communication interface circuit and a master station communication interface circuit;
one end of the slave station communication interface circuit is connected with field equipment, and the other end of the slave station communication interface circuit is connected with the EtherCAT slave controller and used for acquiring state data of the field equipment and sending a control instruction from the remote master controller to the field equipment;
and one end of the master station communication interface circuit is connected with the EtherCAT slave controller, and the other end of the master station communication interface circuit is connected with the remote master controller and used for receiving a control instruction of the remote master controller and sending the acquired state data of the field equipment to the remote master controller.
Further, in the EtherCAT-based industrial grade remote IO module, the slave station communication interface circuit includes an RJ45 network interface.
Further, in the EtherCAT-based industrial grade remote IO module, the master station communication interface circuit includes an RJ45 network interface.
Further, in the EtherCAT-based industrial grade remote IO module, the model of the EtherCAT slave controller is LAN 9252.
Further, the EtherCAT-based industrial grade remote IO module also comprises an EEPROM memory chip;
the EEPROM memory chip is connected with the EtherCAT slave controller and used for storing control instructions and state data.
The EtherCAT-based industrial remote IO module provided by the embodiment of the invention can connect field equipment with a long distance with a main controller, realizes the transmission of control instructions of the main controller and the acquisition of state data of the field equipment, has a simple circuit structure, is efficient and reliable, overcomes the defect of complicated field wiring of a control system, greatly reduces the interference of an interference source to signals, and simultaneously improves the convenience of project implementation and system maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an EtherCAT-based industrial remote IO module according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an EtherCAT-based industrial remote IO module according to an embodiment of the present invention.
Reference numerals:
the controller comprises an interface circuit 10, an EtherCAT slave controller 20, an IO voltage conversion circuit 30, an input circuit 40, an output circuit 50, a power supply circuit 60 and an EEPROM memory chip 70;
a slave station communication interface circuit 11 and a master station communication interface circuit 12.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
Referring to fig. 1 to 2, an embodiment of the present invention provides an EtherCAT-based industrial remote IO module, which is disposed near a field device, and is characterized in that the EtherCAT-based industrial remote IO module includes an interface circuit 10, an EtherCAT slave controller 20, and an IO voltage conversion circuit 30; wherein,
one end of the interface circuit 10 is connected with a remote main controller, and the other end is connected with a field device, and is used for receiving and transmitting a control instruction from the remote main controller and collecting state data of the field device;
the EtherCAT slave controller 20 is connected to the interface circuit 10, and is configured to implement interaction and transfer of status data or control instructions between the interface circuit 10 and a field device or a remote master controller;
the IO voltage conversion circuit 30 is connected to the EtherCAT slave controller 20, and is configured to perform voltage conversion on input electric energy, so as to provide electric energy conforming to a working voltage for the EtherCAT slave controller 20. Specifically, the externally input 24V dc power supply voltage is converted into electric energy conforming to the working voltage of the EtherCAT slave controller 20, so as to ensure the normal operation of the EtherCAT slave controller 20.
Preferably, an input circuit 40 and an output circuit 50 are also included; the input circuit 40 and the output circuit 50 are compatible with NPN/PNP input and output, and are selected according to the COM end access voltage, neither the positive connection method nor the negative connection method can affect the PCB, and the reliability of the product is improved
The input circuit 40 provides two input ports through an optical coupler to be respectively connected with the IO voltage conversion circuit 30;
the output circuit 50 provides two output ports through an optical coupler to be respectively connected with the IO voltage conversion circuit 30.
Preferably, each input port or output port is connected with an operation state indicating circuit;
the operating state indicating circuit is used for indicating the operating state of each input port or output port through the on-off condition of the LED indicating lamp in the circuit.
In this embodiment, the type of the optical coupler is TLP 290-4. Compared with a common two-path optical coupler, the four-in-one TLP290-4 optical coupler can effectively isolate an interference source and an interfered part, has higher signal transmission speed and interference resistance and realizes high-speed and effective signal receiving.
Preferably, a power supply circuit 60 is further included;
the power supply circuit 60 is connected to the input circuit 40 and is configured to provide power to the input circuit 40.
Preferably, the interface circuit 10 has a dual-interface structure, is convenient to expand, supports various network topologies, and is convenient to realize optimal longitudinal integration, and specifically includes a slave station communication interface circuit 11 and a master station communication interface circuit 12;
one end of the slave station communication interface circuit 11 is connected with field equipment, and the other end of the slave station communication interface circuit is connected with the EtherCAT slave controller 20, and is used for acquiring state data of the field equipment and sending a control instruction from a remote master controller to the field equipment;
and one end of the master station communication interface circuit 12 is connected with the EtherCAT slave controller 20, and the other end is connected with the remote master controller, and is used for receiving a control instruction of the remote master controller and sending the acquired state data of the field device to the remote master controller.
Preferably, the slave communication interface circuit 11 includes an RJ45 network interface.
Preferably, the master station communication interface circuit 12 comprises an RJ45 network interface.
In this embodiment, the EtherCAT controller 20 has a model number of LAN 9252.
Preferably, an EEPROM memory chip 70;
the EEPROM memory chip 70 is connected to the EtherCAT slave controller 20, and is configured to store control commands and status data.
The EtherCAT-based industrial remote IO module provided by the embodiment of the invention can connect field equipment with a long distance with a main controller, realizes the transmission of control instructions of the main controller and the acquisition of state data of the field equipment, has a simple circuit structure, is efficient and reliable, overcomes the defect of complicated field wiring of a control system, greatly reduces the interference of an interference source to signals, and simultaneously improves the convenience of project implementation and system maintenance.
The above embodiments are merely to illustrate the technical solutions of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An EtherCAT-based industrial remote IO module is arranged near field equipment and is characterized by comprising an interface circuit, an EtherCAT slave controller and an IO voltage conversion circuit; wherein,
one end of the interface circuit is connected with the remote main controller, and the other end of the interface circuit is connected with the field equipment and is used for receiving and transmitting a control instruction from the remote main controller and collecting state data of the field equipment;
the EtherCAT slave controller is connected with the interface circuit and is used for realizing interaction and transfer of state data or control instructions between the interface circuit and field equipment or a remote master controller;
the IO voltage conversion circuit is connected with the EtherCAT slave controller and used for performing voltage conversion on input electric energy and providing electric energy which accords with working voltage for the EtherCAT slave controller.
2. The EtherCAT-based industrial grade remote IO module of claim 1, further comprising an input circuit and an output circuit;
the input circuit is provided with two input ports through an optical coupler and is respectively connected with the IO voltage conversion circuit;
the output circuit provides two output ports through an optical coupler to be respectively connected with the IO voltage conversion circuit.
3. The EtherCAT-based industrial grade remote IO module of claim 2 wherein each of said input or output ports is connected to an operational status indication circuit;
the operating state indicating circuit is used for indicating the operating state of each input port or output port through the on-off condition of the LED indicating lamp in the circuit.
4. The EtherCAT-based industrial grade remote IO module of claim 2 wherein said optocoupler is of the TLP290-4 type.
5. The EtherCAT-based industrial grade remote IO module of claim 2, further comprising a power supply circuit;
the power supply circuit is connected with the input circuit and used for providing electric energy for the input circuit.
6. The EtherCAT-based industrial-grade remote IO module of claim 1, wherein the interface circuit comprises a slave station communication interface circuit and a master station communication interface circuit;
one end of the slave station communication interface circuit is connected with field equipment, and the other end of the slave station communication interface circuit is connected with the EtherCAT slave controller and used for acquiring state data of the field equipment and sending a control instruction from the remote master controller to the field equipment;
and one end of the master station communication interface circuit is connected with the EtherCAT slave controller, and the other end of the master station communication interface circuit is connected with the remote master controller and used for receiving a control instruction of the remote master controller and sending the acquired state data of the field equipment to the remote master controller.
7. The EtherCAT-based industrial grade remote IO module of claim 6 wherein said slave communication interface circuitry comprises an RJ45 network interface.
8. The EtherCAT-based industrial grade remote IO module of claim 6 wherein said master station communication interface circuitry comprises an RJ45 network interface.
9. The EtherCAT-based industrial grade remote IO module of claim 1 wherein the EtherCAT slave controller is model number LAN 9252.
10. The EtherCAT-based industrial grade remote IO module of claim 1, further comprising an EEPROM memory chip;
the EEPROM memory chip is connected with the EtherCAT slave controller and used for storing control instructions and state data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447216.5A CN110045709A (en) | 2019-05-27 | 2019-05-27 | One kind being based on EtherCAT technical grade remote I/O module |
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| CN201910447216.5A CN110045709A (en) | 2019-05-27 | 2019-05-27 | One kind being based on EtherCAT technical grade remote I/O module |
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| CN110045709A true CN110045709A (en) | 2019-07-23 |
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| CN201910447216.5A Pending CN110045709A (en) | 2019-05-27 | 2019-05-27 | One kind being based on EtherCAT technical grade remote I/O module |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111371658A (en) * | 2020-02-21 | 2020-07-03 | 深圳市海弘装备技术有限公司 | EtherCAT bus control system |
| CN111901213A (en) * | 2020-09-16 | 2020-11-06 | 广东安达智能装备股份有限公司 | IO slave station controller based on EtherCAT bus |
| CN114003102A (en) * | 2021-10-27 | 2022-02-01 | 维准电子科技（深圳）有限公司 | Industrial computer capable of rapidly triggering light source control |
| CN114228083A (en) * | 2021-10-26 | 2022-03-25 | 深圳先进技术研究院 | Industrial control system and injection molding machine |
| CN114531318A (en) * | 2022-02-25 | 2022-05-24 | 深圳市优必选科技股份有限公司 | EtherCAT switch and sports equipment |
| CN114636430A (en) * | 2022-03-16 | 2022-06-17 | 济南大学 | Interpolation method based high-precision magnetic navigation sensor and positioning method |
| CN115378760A (en) * | 2022-08-31 | 2022-11-22 | 中铁工程装备集团有限公司 | Rapid networking method of shield tunneling machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371658A (en) * | 2020-02-21 | 2020-07-03 | 深圳市海弘装备技术有限公司 | EtherCAT bus control system |
| CN111901213A (en) * | 2020-09-16 | 2020-11-06 | 广东安达智能装备股份有限公司 | IO slave station controller based on EtherCAT bus |
| CN114228083A (en) * | 2021-10-26 | 2022-03-25 | 深圳先进技术研究院 | Industrial control system and injection molding machine |
| CN114003102A (en) * | 2021-10-27 | 2022-02-01 | 维准电子科技（深圳）有限公司 | Industrial computer capable of rapidly triggering light source control |
| CN114531318A (en) * | 2022-02-25 | 2022-05-24 | 深圳市优必选科技股份有限公司 | EtherCAT switch and sports equipment |
| CN114531318B (en) * | 2022-02-25 | 2024-04-16 | 深圳市优必选科技股份有限公司 | EtherCAT switch and sports equipment |
| CN114636430A (en) * | 2022-03-16 | 2022-06-17 | 济南大学 | Interpolation method based high-precision magnetic navigation sensor and positioning method |
| CN115378760A (en) * | 2022-08-31 | 2022-11-22 | 中铁工程装备集团有限公司 | Rapid networking method of shield tunneling machine |
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