Remote expansion module based on EtherCAT bus
By setting up incoming and outgoing cable sockets on the remote expansion module of the EtherCAT bus, and fixing them with brackets and positioning rails, the shell design is eliminated, solving the problems of high cost and large limitations in expansion and installation, and realizing low-cost, flexible connection and efficient expansion.
Patent Information
- Application Number
- CN202423126180.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing remote expansion modules based on the EtherCAT bus are costly and bulky, and their plug-in connections impose significant limitations on expansion and installation.
The PCB board features inlet and outlet cable sockets for power and bus connections. It is secured with a bracket and positioning rail, eliminating the need for a housing and using an 8-pin ribbon cable interface for connection, thus simplifying the installation process.
It reduces costs, improves installation flexibility and efficiency, simplifies connection operations, offers greater scalability, and meets the needs of multiple scenarios.
Smart Images
Figure CN223713102U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of remote expansion module based on EtherCAT bus. BACKGROUND
[0002] The remote expansion module based on EtherCAT bus currently, including shell, the PCB board of remote expansion module based on EtherCAT bus is set in shell, power supply and connection to bus are connected by the insertion piece and connector connection of being installed on the shell of PCB board, be connected with EtherCAT bus coupler by bus, PCB board is connected with the insertion piece.
[0003] The remote expansion module of this structure is higher in cost, and volume is larger, and due to the adoption insertion piece connection, expansion installation is greatly limited. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of remote expansion module based on EtherCAT bus with low cost and convenient connection operation, and for this purpose, the utility model uses following technical scheme:
[0005] A kind of remote expansion module based on EtherCAT bus, including PCB board, output port or input port is set on the PCB board, the output port or input port is set in the side of the corresponding machine case operation side of PCB board, it is characterized in that, the PCB board is further set in the third side between remote expansion module fixed installation side and the side, and the third side is set into line and out line wire distribution socket, for power connection, bus connection to be connected with EtherCAT bus coupler, the position of the into line and out line wire distribution socket in the third side is close to the side of the corresponding machine case operation side of PCB board.
[0006] Further, into line and out line wire distribution socket are respectively set in the first face and the second face of the PCB board.
[0007] Further, the remote expansion module is remote analog input module based on EtherCAT bus, remote digital output module based on EtherCAT bus or remote digital input module based on EtherCAT bus.
[0008] Further, into line and out line wire distribution socket adopt 8Pin wire distribution interface, integrated power line interface and bus interface.
[0009] Further, when the remote expansion module is a remote analog input module based on the EtherCAT bus, the input port is provided on the PCB board, and the input port is an analog signal input terminal; when the remote expansion module is a remote digital output module based on the EtherCAT bus, the output port is provided on the PCB board, and the output port is a digital signal output terminal; when the remote expansion module is a remote digital input module based on the EtherCAT bus, the input port is provided on the PCB board, and the input port is a digital signal output terminal.
[0010] Further, the remote expansion module does not have a shell for the PCB board.
[0011] Further, on the fixed mounting side, the PCB board is connected with a support, and the support is connected with a positioning guide rail; wherein the four corners of the PCB board have connecting holes for being connected with a PCB board mounting surface of the support through bolts, the support is L-shaped, including the PCB board mounting surface facing the PCB board and a guide rail mounting surface facing the guide rail, and the PCB board mounting surface and the guide rail mounting surface are perpendicular.
[0012] According to the technical scheme of the utility model, the utility model discloses a remote expansion module based on the EtherCAT bus adopts a wire harness to connect power supply and connect the EtherCAT bus coupler, can not adopt the shell, when installing subsequently, just simple support is fixed on the guide rail, and the cost is lower, easy to manufacture and the expansion flexibility is high, improves the efficiency, and the scheme of the utility model discloses plug-in wire harness's operation is flexible, simple and convenient, can be quickly mounted to the bus through the wire harness, and the flexibility is high. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the first surface schematic view of the PCB board of the remote analog input module based on the EtherCAT bus adopting the utility model scheme.
[0014] Figure 2 It is the second surface schematic view of the PCB board of the remote analog input module based on the EtherCAT bus adopting the utility model scheme.
[0015] Figure 3 It is the first surface schematic view of the PCB board of the remote digital input module based on the EtherCAT bus adopting the utility model scheme.
[0016] Figure 4 It is the second surface schematic view of the PCB board of the remote digital input module based on the EtherCAT bus adopting the utility model scheme.
[0017] Figure 5The first surface schematic view of the PCB board of the remote digital output module based on the EtherCAT bus adopting the utility model scheme.
[0018] Figure 6 The second surface schematic view of the PCB board of the remote digital output module based on the EtherCAT bus adopting the utility model scheme.
[0019] Figure 7 The connection schematic view of the bracket and the positioning guide rail of the utility model is taken as an example of the remote analog input module based on the EtherCAT bus.
[0020] Figure 8 The connection schematic view of the PCB board, the bracket and the positioning guide rail of the utility model is taken as an example of the remote analog input module based on the EtherCAT bus. DETAILED DESCRIPTION
[0021] Embodiment 1, the remote analog input module based on the EtherCAT bus, referring to Figure 1 、 2 , 7, 8.
[0022] Referring to the drawings, the remote expansion module based on the EtherCAT bus provided by the application is a remote analog input module based on the EtherCAT bus, comprising a PCB board 100, wherein an input port 11 is arranged on the PCB board 100, the input port is arranged on one side 101 of the operation side (for example, the side on which the door or cover of the case is arranged) of the case corresponding to the PCB board, and the input port 11 is an analog signal input terminal and is used to externally connect an analog input element.
[0023] The PCB board 100 further comprises an incoming wire arrangement socket 12 and an outgoing wire arrangement socket 13 arranged on a third side 103 between the fixed installation side 102 of the remote expansion module and the one side 101, which are used for power supply connection and bus connection, and the bus connection is used to be connected with an EtherCAT bus coupler, the positions of the incoming wire arrangement socket 12 and the outgoing wire arrangement socket 13 on the third side are close to the one side 101 of the operation side of the case corresponding to the PCB board, and the operation is convenient.
[0024] The PCB board is generally rectangular, and the third side 103 is the side perpendicular to the fixed mounting side 102 and the aforementioned side 101. On the fixed mounting side 102, the PCB board 100 is connected to the bracket 4, and the bracket 4 is connected to the positioning guide rail 5 via clips or other connectors 7. The PCB board 100 has connection holes 6 at its four corners for bolt connection to the PCB board mounting surface 41 of the bracket 4. The bracket 4 is L-shaped and includes a PCB board mounting surface 41 facing the PCB board 100 and a guide rail mounting surface 42 facing the guide rail 5, with the PCB board mounting surface 41 and the guide rail mounting surface 42 perpendicular to each other.
[0025] The incoming cable connector 12 and the outgoing cable connector 13 use 8-pin ribbon cable interfaces, integrating power cord interfaces and bus interfaces. They can be quickly connected to other expansion modules, and after expansion, they can meet the needs of most application scenarios.
[0026] exist Figure 1 middle:
[0027] The reference numeral 111 is the EtherCAT Slave IC, which is the core component of EtherCAT bus communication, responsible for bus protocol conversion and communication with the MCU.
[0028] The MCU (Microcontroller Unit) is the main control chip in the attached diagram. It is responsible for communicating with the ADC and reading analog values.
[0029] The ADC, or analog-to-digital converter, is shown in the attached diagram. It is responsible for converting analog signals into digital values and transmitting them to the MCU.
[0030] The analog signal input terminal is connected to the ADC, the ADC is connected to the MCU, the EtherCAT Slave IC is connected to the MCU, the incoming cable socket 12 and the outgoing cable socket 13 are connected to the EtherCAT Slave IC and serve as power interfaces, connecting to the EtherCAT Slave IC and the MCU.
[0031] During operation, the EtherCAT coupler communicates with the EtherCAT Slave IC on the module via the bus, incoming cable socket 12, and outgoing cable socket 13. The MCU communicates with the ADC to acquire analog inputs, obtaining the digital values and status of all current analog inputs after conversion. The EtherCAT Slave IC communicates with the MCU via the SPI bus, loading the input values acquired by the MCU into the bus protocol data frame.
[0032] Example 2: Remote digital input module based on EtherCAT bus, refer to... Figure 3 , 4 Please also refer to 7 and 8.
[0033] With reference to the drawings, the application provides a remote expansion module based on an EtherCAT bus, which is a remote digital input module based on an EtherCAT bus, comprising a PCB board 200, wherein an input port 21 is arranged on the PCB board 200, the input port is arranged on one side 201 of a corresponding operating side (for example, a side on which a door or a cover of a cabinet is arranged) of the cabinet corresponding to the PCB board, and the input port 21 is a digital signal input terminal and is used for externally connecting an input element (for example, a switch or a sensor).
[0034] The PCB board 200 further comprises an incoming wire flat cable socket 22 and an outgoing wire flat cable socket 23 arranged on a third side 203 between a fixed mounting side 202 of the remote expansion module and the one side 201, and the incoming wire flat cable socket 22 and the outgoing wire flat cable socket 23 are used for power supply connection and bus connection, and the bus connection is used for connection with an EtherCAT bus coupler, the positions of the incoming wire flat cable socket 22 and the outgoing wire flat cable socket 23 on the third side are close to the one side 201 of the corresponding operating side of the cabinet corresponding to the PCB board, and the operation is convenient. In the embodiment, the incoming wire flat cable socket 22 and the outgoing wire flat cable socket 23 are arranged on a first face and a second face of an end of the third side 203 of the PCB board.
[0035] The PCB board is generally a rectangular board, and the third side 203 is a side perpendicular to the fixed mounting side 202 and the one side 201. On the fixed mounting side 202, the PCB board 200 is connected with a support, and the support is connected with a positioning guide rail, and a specific mode can be referred to the embodiment 1.
[0036] The incoming wire flat cable socket 22 and the outgoing wire flat cable socket 23 adopt an 8Pin flat cable interface, integrate a power supply line interface and a bus interface, can be quickly connected with other expansion modules, and can meet the requirements of most application scenarios after expansion.
[0037] In the Figure 3 , the application further provides a remote expansion module based on an EtherCAT bus, which is a remote digital input module based on an EtherCAT bus, comprising a PCB board 200, wherein an input port 21 is arranged on the PCB board 200, the input port is arranged on one side 201 of a corresponding operating side (for example, a side on which a door or a cover of a cabinet is arranged) of the cabinet corresponding to the PCB board, and the input port 21 is a digital signal input terminal and is used for externally connecting an input element (for example, a switch or a sensor).
[0038] The EtherCAT slave IC is an EtherCAT bus communication core component, is responsible for bus protocol conversion and communication with an MCU.
[0039] The MCU is a main control chip, is responsible for digital quantity input collection, and controls corresponding LEDs on an LED lamp plate.
[0040] The LED plate terminal is used for connecting the LED lamp plate.
[0041] The input port 21 is connected with the MCU, the EtherCAT Slave IC is connected with the MCU, the incoming wire socket 22 and the outgoing wire socket 23 are connected with the EtherCAT Slave IC and serve as the power interface and are connected with the EtherCAT Slave IC and the MCU. The LED board terminal is connected with the MCU.
[0042] In operation, the EtherCAT coupler communicates with the EtherCAT Slave IC on the module through the bus, the incoming wire socket 22 and the outgoing wire socket 23, the MCU communicates with the input port 21 to collect digital input and acquire the current state of all inputs, and the EtherCAT Slave IC communicates with the MCU through the SPI bus to convert the input state acquired by the MCU into a value and load the value into the bus protocol data frame.
[0043] Embodiment 3, a remote digital output module based on the EtherCAT bus, referring to Figure 5 、 6 Also refer to 7 and 8.
[0044] With reference to the drawings, the remote expansion module based on the EtherCAT bus provided by the application is a remote digital output module based on the EtherCAT bus, which comprises a PCB board 300, wherein the output port 31 is arranged on the PCB board 300, the output port is arranged on the side 301 of the operating side of the corresponding cabinet of the PCB board (for example, the side on which the cabinet door or cover is arranged), and the output port 31 is a digital signal output terminal and is used to externally connect an output element (for example, a relay, a solenoid valve, a lamp, etc.).
[0045] The incoming wire socket 32 and the outgoing wire socket 33 are arranged on the third side 303 between the fixed mounting side 302 of the remote expansion module and the side 301, and are used for power connection and bus connection, wherein the bus connection is used for connection with the EtherCAT bus coupler, the positions of the incoming wire socket 32 and the outgoing wire socket 33 on the third side are close to the side 301 of the operating side of the corresponding cabinet of the PCB board, and the operation is convenient. In this embodiment, the incoming wire socket 32 and the outgoing wire socket 33 are arranged on the first face and the second face of the end of the third side 303 of the PCB board.
[0046] The PCB board is generally a rectangular plate, and the third side 303 is perpendicular to the fixed mounting side 302 and the side 301. On the fixed mounting side 302, the PCB board 300 is connected with a support, and the support is connected with a positioning guide rail. For details, refer to Embodiment 1.
[0047] The incoming wire flat cable socket 32 and the outgoing wire flat cable socket 33 adopt an 8Pin flat cable interface, integrate a power line interface and a bus interface, can quickly connect other expansion modules, and can meet the requirements of most application scenarios after expansion.
[0048] In Figure 5 which:
[0049] The reference sign 311 is an EtherCAT Slave IC, which is an EtherCAT bus communication core component, is responsible for bus protocol conversion and communication with the MCU.
[0050] The reference sign 312 is an MCU, a master control chip, is responsible for digital output control, and controls corresponding LEDs on the LED lamp plate.
[0051] The reference sign 313 is an LED plate terminal, which is used for connecting the LED lamp plate.
[0052] The output port 31 is connected with the MCU, the EtherCAT Slave IC is connected with the MCU, the incoming wire flat cable socket 32 and the outgoing wire flat cable socket 33 are connected with the EtherCAT Slave IC and are used as a power interface, and the LED plate terminal is connected with the MCU.
[0053] In working, the EtherCAT coupler communicates with the EtherCAT Slave IC on the module through the bus, the incoming wire flat cable socket 32 and the outgoing wire flat cable socket 33, the MCU outputs to the output port 31 to perform digital output control and record the state of all outputs; the EtherCAT Slave IC communicates with the MCU through an SPI bus, converts the output state recorded by the MCU into a value and loads the value into a bus protocol data frame.
[0054] The above merely describes specific embodiments of the utility model, but the structural characteristics of the utility model are not limited to this, any person skilled in the art makes changes or modifications in the field of the utility model, and the changes or modifications are covered in the protection scope of the utility model.
[0055] It should be noted that the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and the above drawings are intended to cover the non-exclusive inclusion. The terms "mounting", "setting", "provided with", "connected", "connected", "sleeved" should be understood broadly. For example, it can be fixedly connected, detachably connected, or integrally configured; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0056] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "one end", "the other end", "outer side", "inner side", "horizontal", "end", "length", "outer end", "left", "right" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second" are only used for simplicity in description, and do not indicate or imply relative importance.
Claims
1. An EtherCAT bus-based remote expansion module, comprising a PCB board, wherein an output port or an input port is arranged on the PCB board, and the output port or the input port is arranged on the side of the PCB board corresponding to the operation side of a case, characterized in that, The PCB board is further provided with an incoming wire flat cable socket and an outgoing wire flat cable socket on a third side between the remote expansion module fixed mounting side and the side of the one side, for power connection, bus connection to be connected with an EtherCAT bus coupler, and the positions of the incoming wire flat cable socket and the outgoing wire flat cable socket on the third side are close to the side of the corresponding cabinet operation side of the PCB board.
2. The remote expansion module based on EtherCAT bus according to claim 1, characterized in that, The incoming wire flat cable socket and the outgoing wire flat cable socket are arranged on the first face and the second face of the PCB board respectively.
3. The remote expansion module based on EtherCAT bus according to claim 1, wherein, The remote expansion module is an EtherCAT bus-based remote analog input module, an EtherCAT bus-based remote digital output module or an EtherCAT bus-based remote digital input module.
4. The remote expansion module based on EtherCAT bus according to claim 1, wherein, The incoming wire flat cable socket and the outgoing wire flat cable socket adopt an 8Pin flat cable interface, and integrate a power line interface and a bus interface.
5. The remote expansion module based on EtherCAT bus according to claim 4, characterized in that, When the remote expansion module is an EtherCAT bus-based remote analog input module, the input port is arranged on the PCB board, and the input port is an analog signal input terminal; when the remote expansion module is an EtherCAT bus-based remote digital output module, the output port is arranged on the PCB board, and the output port is a digital signal output terminal; When the remote expansion module is an EtherCAT bus-based remote digital input module, the input port is arranged on the PCB board, and the input port is a digital signal input terminal.
6. The EtherCAT bus-based remote expansion module of claim 1, 2, 3, 4, or 5, wherein, The remote expansion module does not set a shell for the PCB board.
7. The remote expansion module based on EtherCAT bus as claimed in claim 5 wherein, On the fixed mounting side, the PCB board is connected with a support, and the support is connected with a positioning guide rail; wherein the four corners of the PCB board are provided with connecting holes for being connected with the PCB board mounting surface of the support through bolts, the support is in an L shape and includes the PCB board mounting surface facing the PCB board and the guide rail mounting surface facing the guide rail, and the PCB board mounting surface and the guide rail mounting surface are perpendicular.