CN215416320U - Modbus module of execution controller - Google Patents
Modbus module of execution controller Download PDFInfo
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- CN215416320U CN215416320U CN202121421029.9U CN202121421029U CN215416320U CN 215416320 U CN215416320 U CN 215416320U CN 202121421029 U CN202121421029 U CN 202121421029U CN 215416320 U CN215416320 U CN 215416320U
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Abstract
The utility model provides a Modbus module of an execution controller in the technical field of industrial control, which comprises a chip module, a power supply module, a display module, a dial switch and an MCU module, wherein a power supply port of the chip module is electrically connected with the power supply module; the address and the data baud rate of the execution controller are set through the external dial switch, a large amount of installation time is saved, the engineering development period is shortened, the parameters of the execution controller are displayed through the display module, technicians can visually know the internal parameter setting of the execution controller, and the method is convenient and visual and is convenient to debug and maintain.
Description
Technical Field
The utility model relates to the technical field of industrial control, in particular to a Modbus module of an execution controller.
Background
The execution controller can be optionally provided with a Modbus module suitable for a single-channel or double-channel communication high-speed channel to provide bus communication for the control function and feedback data of all the execution controllers. Data is carried out through an RS485 data high-speed channel and a Modbus RTU communication protocol.
However, the address and data baud rate of the existing execution controller is provided with a plurality of jump caps through a circuit, and the short circuit is performed by manually pressing iron sheet switches on the jump caps, so as to control an internal circuit of a Modbus module, realize the setting of the address and data baud rate of the execution controller, and manually press the iron sheets on the jump caps in the operation process, so that time and labor are wasted, the address and data baud rate currently set by the execution controller is invisible, and the debugging and maintenance are inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a Modbus module of an execution controller, which has the following specific technical scheme:
a Modbus module of an execution controller, comprising: the display device comprises a chip module, a power module, a display module, a dial switch and an MCU module, wherein a power port of the chip module is electrically connected with the power module, a data output port of the chip module is electrically connected with the display module, a data input port of the chip module is electrically connected with the dial switch, a data port of the chip module is electrically connected with a data port of the MCU module, and a data port of the MCU module is electrically connected with a data port of an execution controller.
Preferably, the number of the chip modules and the number of the power modules are two, the two power modules are respectively electrically connected with the power ports of the two chip modules, the data output port of one chip module is connected with the data input port of the other chip module, the display module is electrically connected with the electrical data output port of one chip module, and the dial switch is electrically connected with the other chip module.
Preferably, the number of the chip modules, the number of the display modules, the number of the power modules and the number of the dial switches are two, the data output port of each chip module is electrically connected with one of the display modules, the data input port of each chip module is electrically connected with one of the dial switches, the number of the power modules is electrically connected with the power port of each chip module, and the number of the data ports of each chip module is electrically connected with the data port of the MCU module.
Preferably, the chip module is a 74HC595D chip.
Preferably, the display module is an SR410361N nixie tube.
Preferably, the dial switch is an SWP10 dial switch.
Preferably, the MCU module is an STM32F030R8 MCU micro control unit.
The beneficial technical effects obtained by the utility model comprise:
the MCU module is connected with the chip module for data exchange and processing, and makes corresponding control commands according to the received data of the chip module to realize the setting of the address and the data baud rate of the execution controller; the Modbus module of the execution controller can be applied to large and medium-sized projects, the large and medium-sized projects relate to a plurality of execution controllers, address and data baud rate setting of the execution controllers is carried out through the external dial switch, compared with a traditional mode that the address and data baud rate setting of the execution controllers is carried out by pressing an iron sheet switch on a jump cap manually to carry out short circuit, a large amount of installation time can be saved, so that the project development period is shortened, parameters of the execution controllers are displayed through the display module, technical personnel can visually know internal parameter setting of the execution controllers, and the Modbus module is convenient and visual and is convenient to debug and maintain.
Drawings
The utility model will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic diagram of the connection relationship in embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the connection relationship in embodiment 2 of the present invention;
FIG. 3 is a schematic diagram of the connection relationship in embodiment 3 of the present invention;
fig. 4 is a schematic diagram of a specific circuit connection relationship in embodiment 2 of the present invention.
In the figure: 1. a chip module; 2. a power supply module; 3. a display module; 4. a dial switch; 5. And the MCU module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof; it should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the utility model, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1:
a Modbus module of an execution controller, comprising: the display device comprises a chip module 1, a power module 2, a display module 3, a dial switch 4 and an MCU module 5, wherein a power port of the chip module 1 is electrically connected with the power module 2 to provide power for the chip module 1; the data output port of the chip module 1 is electrically connected with the display module 3, the chip module 1 transmits the address and the data baud rate of the execution controller to the display module 3 through the data output port of the chip module 1, the address and the data baud rate of the current execution controller are displayed through the display module 3, the data input port of the chip module 1 is electrically connected with the dial switch 4, the data is output to the chip module 1 through the data input port of the chip module 1 after the dial switch 4 sets the address and the data baud rate of the execution controller, the data port of the chip module 1 is electrically connected with the data port of the MCU module 5, and the data of the chip module 1 is received through the data port of the MCU module 5 and processed into an execution command; the data port of the MCU module 5 is electrically connected with the data port of the execution controller, the execution order of the MCU module 5 is transmitted to the execution controller through the data port of the MCU module 5, and the execution controller performs corresponding actions according to the execution command of the MCU module 5.
Specifically, as shown in fig. 1, a power module 2 is electrically connected to a chip module 1, the power module 2 provides power for the chip module 1, a display module 3 and a dial switch 4 are respectively electrically connected to the chip module 1, the address and the data baud rate of the currently executed controller are displayed by the display module 3, the address and the data baud rate of the executed controller are set by the dial switch 4, an MCU module 5 is connected to the chip module 1 for data exchange and processing, and the MCU module 5 makes a corresponding control command according to the received data of the chip module 1, so as to set the address and the data baud rate of the executed controller; the Modbus module of the execution controller can be applied to large and medium-sized projects, the large and medium-sized projects relate to a plurality of execution controllers, the address and data baud rate of the execution controllers are set through the external dial switch 4, compared with the traditional mode that the address and data baud rate of the execution controllers are set by pressing the iron sheet switch on the jump cap manually to carry out short circuit, a large amount of installation time can be saved, the project development period is shortened, the parameters of the execution controllers are displayed through the display module 3, technicians can visually know the internal parameter setting of the execution controllers, and the Modbus module is convenient and visual and is convenient to debug and maintain.
Example 2:
on the basis of embodiment 1, as shown in fig. 2 and 4, there are two chip modules 1 and two power modules 2, the two power modules 2 are respectively electrically connected to the power ports of the two chip modules 1, the data output port of one chip module 1 is connected to the data input port of the other chip module 1, the display module 3 is electrically connected to the electrical data output port of one chip module 1, the dial switch 4 is electrically connected to the other chip module 1, the data output port of pin 9 of one chip module 1 is connected to the data output port of pin 14 of the other chip module 1, so as to establish data exchange between the two chip modules 1, and establish data exchange and processing between the MCU chip and the chip modules 1 by paralleling the output pins of the two chip modules 1 and the serial data input pin of the MCU chip module 1 and one of the chip modules 1, display module 3 is connected with one of them chip module 1 electricity, dial switch 4 is connected with another chip module 1 electricity, because chip module 1's a side only has 8 pins, when dial switch 4 and display module 3 are together connected same chip module 1, need parallel connection, connect the difficulty and the circuit breaks down easily, separately be connected with dial switch 4 and display module 3 through setting up two chip modules 1, the circuit of arranging is simple and convenient reasonable relatively, and job stabilization.
Example 3:
as shown in fig. 3, there are two chip modules 1, two display modules 3, two power modules 2 and two dial switches 4, a data output port of each chip module 1 is electrically connected to one display module 3, a data input port of each chip module 1 is electrically connected to one dial switch 4, two power modules 2 are respectively electrically connected to a power port of the chip module 1, data ports of the two chip modules 1 are respectively electrically connected to a data port of the MCU module 5, in the actual use process, when one display module 3 or one dial-up electrically connected to one of the chip modules 1 fails, the other chip module 1 is electrically connected with the other display module 3 or the other dial switch 4, so that the display module 3 and the dial switch can be used instead of the other chip module, the two modules are not affected with each other, and the stable operation of equipment is guaranteed.
Further, the chip module 1 is a 74HC595D chip, the 74HC595D chip adopts standard pins, and can provide independent clock signals to the shift register and the memory register, the shift register has a direct zero clearing function, a serial input/output function and cascade application, all input ports are provided with anti-static and instantaneous overvoltage protection circuits, the use is reliable and stable, and the pin 8, the pin 10, the pin 13 and the pin 16 of the 74HC595D chip are connected with the power module 2 respectively to supply power to the 74HC595D chip.
Furthermore, the display module 3 is an SR410361N nixie tube, and the SR410361N nixie tube is a 0.36-inch four-digit nixie tube for displaying the address and the data baud rate of the current execution controller, and has a small structure and is simple and convenient to install.
Further, the dial switch 4 is an SWP10 dial switch 4, the address and the data baud rate of the execution controller are coded and set according to the binary coding principle of 0/1, and the MCU module 5 is an STM32F030R8 MCU micro-control unit, and is configured to receive data from the chip module 1 and make a corresponding control command.
Although the utility model has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the utility model. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.
Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, e.g., well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.
In sum, it is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it defines the spirit and scope of the utility model. The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the utility model, the skilled person can make various changes or modifications to the utility model, and these equivalent changes and modifications also fall into the scope of the utility model defined by the claims.
Claims (7)
1. A Modbus module of an execution controller, comprising: the display device comprises a chip module, a power module, a display module, a dial switch and an MCU module, wherein a power port of the chip module is electrically connected with the power module, a data output port of the chip module is electrically connected with the display module, a data input port of the chip module is electrically connected with the dial switch, a data port of the chip module is electrically connected with a data port of the MCU module, and a data port of the MCU module is electrically connected with a data port of an execution controller.
2. The Modbus module of the execution controller of claim 1, wherein there are two of the chip modules and two of the power modules, the two power modules are electrically connected to the power ports of the two chip modules respectively, the data output port of one chip module is connected to the data input port of the other chip module, the display module is electrically connected to the electrical data output port of one chip module, and the dial switch is electrically connected to the other chip module.
3. The Modbus module of the execution controller of claim 1, wherein the number of the chip modules, the number of the display modules, the number of the power modules and the number of the dial-up switches are two, the data output port of each of the chip modules is electrically connected with one of the display modules, the data input port of each of the chip modules is electrically connected with one of the dial-up switches, the two power modules are electrically connected with the power port of each of the chip modules, and the data ports of the two chip modules are electrically connected with the data port of the MCU module.
4. The Modbus module of the execution controller of any of claims 1-3, wherein the chip module is a 74HC595D chip.
5. The Modbus module of the execution controller of any of claims 1-3, wherein the display module is SR410361N nixie tube.
6. The Modbus module of the execution controller of any of claims 1-3, wherein the dip switch is an SWP10 dip switch.
7. The Modbus module of the execution controller of any of claims 1-3, wherein the MCU module is an STM32F030R8 MCU micro control unit.
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CN202121421029.9U CN215416320U (en) | 2021-06-24 | 2021-06-24 | Modbus module of execution controller |
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CN202121421029.9U CN215416320U (en) | 2021-06-24 | 2021-06-24 | Modbus module of execution controller |
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