Multi-protocol and extensible integrated remote IO moduleTechnical Field
The utility model relates to the field of industrial automation information transmission, in particular to a multi-protocol and extensible integrated remote IO module.
Background
Remote IO modules, which may also be referred to as distributed IO modules, are commonly used in the automation field to control electronic devices that send and receive input and output signals to and from a host electronic device (e.g., DCS, PLC, and PC) via an industrial Fieldbus protocol. The IO module is mainly used in the fields of data collection and various control, has high reliability and simple application, centralizes complicated field wiring, and improves the concentration degree of the system.
The existing IO module can only fix one field bus protocol according to the situation of the field main electronic equipment, and supports few multi-protocols. In addition, the lack of input and output ports occurs during use, which is a problem in the prior art if the re-cascade would add significantly to the cost.
Disclosure of Invention
In order to make up for the defects of the prior art, the utility model provides a multi-protocol and expandable integrated remote IO module which can support a plurality of communication protocols, can realize the expansion of a specific number of IOs, and reduces the cost so as to improve the problems in the prior art.
The utility model is realized by the following technical scheme:
the utility model provides a multi-protocol, extensible integration remote IO module, includes master module, expansion module and casing, the master module includes mainboard and power module, communication module, control module, the IO interface of setting on the mainboard, still be equipped with the expansion interface on the mainboard, the expansion module includes the expansion board and sets up the expansion IO interface on the expansion board, still be equipped with on the expansion board and extend socket and second expansion interface, through expansion interface, expansion socket and second expansion interface, can peg graft a plurality of expansion module in proper order on the master module for increase input and output channel for the master module.
Further optimally, the expansion interface, the expansion socket and the second expansion interface are all connected by adopting a type-c interface to carry out hardware connection.
Further optimally, the IO interface is provided with an adapter plate, the adapter plate is inserted with an IO plate, the expansion IO interface is provided with a second adapter plate, and the second adapter plate is inserted with an expansion IO plate.
Further optimally, the input parts of the IO board and the expansion IO board are compatible with PNP and NPN inputs, and the output part is a transistor output.
Further optimally, the IO board and the expansion IO board are provided with IO status indicator lamps.
Further preferably, the main board is also provided with a main board status indicator lamp.
Further preferably, the shell comprises a plurality of upper shells and a plurality of lower shells, the main board and the expansion board are respectively clamped in the lower shells through fixing buckles, and the upper shells are buckled on the lower shells.
Further preferably, the power supply module comprises a power interface and a power conversion module, and is used for converting the power supply of direct current 24V into the power supply of direct current 5V and direct current 3.3V required by the main board.
Further optimally, the communication module adopts an RJ-45 interface, and the control module adopts a NetX90 communication chip.
The beneficial effects of the utility model are as follows:
the IO interface can be expanded through the plugging expansion module on the premise of not increasing the quantity of the control modules and the main control chips, and the IO interface is beneficial to simplifying the selection of the IO modules and reducing the overall connection cost.
The IO module in this novel can realize the transmission of multichannel input and output signal based on field bus agreement, and input part compatibility PNP and NPN input adopt integrated design, support multiple mainstream communication protocol (like Profinet, etherCAt, CC-Link, CC-LinkIE), but wide application in various industrial automation fields, such as fields such as robot, intelligent storage, commodity circulation letter sorting, nonstandard automation, intelligent equipment.
Drawings
Fig. 1 is a schematic view of the present utility model after assembly.
Fig. 2 is a schematic structural diagram of the main module in the present utility model.
Fig. 3 is a schematic structural diagram of an IO board according to the present utility model.
Fig. 4 is a schematic structural diagram of a motherboard socket IO board in the present utility model.
Fig. 5 is a schematic structural view of the main module according to the present utility model after the main module is fastened to the housing.
Fig. 6 is a schematic structural diagram of an extended IO board in the present utility model.
Fig. 7 is a schematic structural diagram of an expansion board plugging expansion IO board in the present utility model.
Fig. 8 is a schematic structural view of the expansion board of the present utility model after the expansion board is buckled with the shell.
Fig. 9 is a schematic structural view of the upper housing in the present utility model.
FIG. 10 is a schematic view of the lower housing of the present utility model
In the figure: 1. a main board; 2. an IO board; 3. an expansion plate; 4. expanding the IO board; 5. an upper housing; 6. a lower housing; 7. a main module; 8. an expansion module; 9. a fixing buckle; 10. expanding an interface; 30. expanding the socket; 40. a second expansion interface;
11. a communication module; 12. a power supply module; 13. a control module; 14. an IO interface; 15. a main board status indicator light; 16. an adapter plate; 21. IO status indicator light; 23. a transfer port; 32. a second adapter plate; 33. and expanding an IO interface.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "left", "right", "front", "rear", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1-10, the present utility model provides a multi-protocol, expandable, integrated remote IO module, comprising a main module 7, an expansion module 8 and a housing. The main module 7 comprises a main board 1, and a power supply module 12, a communication module 11, a control module 13 and an IO interface 14 which are arranged on the main board, wherein an expansion interface 10 is further arranged on the main board 1. The expansion module 8 comprises an expansion board 3 and an expansion IO interface 33 arranged on the expansion board, and the expansion board 3 is also provided with an expansion socket 30 and a second expansion interface 40.
Through the expansion interface 10, the expansion socket 30 and the second expansion interface 40, the main module 7 can be sequentially plugged with a plurality of expansion modules 8, so that input and output channels are added to the main module 7, a specific number of IO expansion is realized, the IO interfaces are expanded through plugging the expansion modules on the premise of not increasing the number of control modules and main control chips, and the selection of the IO modules is simplified and the overall connection cost is reduced.
The IO board is a 32-way IO board, and four types of IO boards are provided, wherein the four types of IO boards comprise 16-way input and 16-way output, 20-way input and 12-way output, 32-way input and 32-way output. The expansion IO board is three types of 16-way IO boards, including 16-way output, 16-way input and 8-way output.
As a preferred embodiment, the expansion interface 10, the expansion socket 30 and the second expansion interface 40 are all connected by hardware using a type-c interface.
As a preferred embodiment, the IO interface 14 is provided with an adapter plate 16, the adapter plate 16 is plugged with the IO board 2, the extended IO interface 33 is provided with a second adapter plate 32, and the second adapter plate is plugged with the extended IO board 4. The bottoms of the IO board and the expansion IO board are respectively provided with a transfer interface 23, and the transfer interfaces 23 are connected with the transfer board and the second transfer board in an inserting mode.
As a preferred implementation manner, the input parts of the IO board 2 and the expansion IO board 4 adopt digital input types, are compatible with PNP and NPN input, the output parts adopt digital output, such as transistor output types, adopt integrated design, support various main stream communication protocols (such as Profinet, etherCAt, CC-Link, CC-LinkIE), and can be widely applied to various industrial automation fields, such as the fields of robots, intelligent warehouse, logistics sorting, nonstandard automation, intelligent equipment and the like.
As a preferred embodiment, the IO status indicator lamps 21 are respectively arranged on the IO board 2 and the expansion IO board 4. The main board 1 is also provided with a main board state indicator lamp 15, and the state indicator lamp displays the main board power supply, system operation and communication state with devices such as a PLC (programmable logic controller) through the on/off and flashing of the LEDs.
As a preferred implementation mode, the shell comprises a plurality of upper shells 5 and lower shells 6, the main board 1 and the expansion board 3 are respectively clamped in the lower shells 6 through fixing buckles 9, the upper shells 5 are buckled on the lower shells, and the shells are convenient to assemble and plug.
As a preferred embodiment, the power supply module 12 includes a power interface and a power conversion module, where the power conversion module performs buck conversion on the DC 24V through the DC-DC chip and the LDO chip, for converting the power supply of the DC 24V into the power supply of direct 5V and direct 3.3V required by the motherboard.
As a preferred embodiment, the communication module 11 uses 2 RJ45 jacks, and the control module 13 mainly uses a communication chip, such as a NetX90 communication chip.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art. Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.