CN202472346U - Bus PLC (Programmable Logic Controller) with multi-communication protocol - Google Patents
Bus PLC (Programmable Logic Controller) with multi-communication protocol Download PDFInfo
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- CN202472346U CN202472346U CN2012201189426U CN201220118942U CN202472346U CN 202472346 U CN202472346 U CN 202472346U CN 2012201189426 U CN2012201189426 U CN 2012201189426U CN 201220118942 U CN201220118942 U CN 201220118942U CN 202472346 U CN202472346 U CN 202472346U
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- 238000012546 transfer Methods 0.000 claims description 24
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Abstract
The utility model relates to a bus PLC (Programmable Logic Controller) with a multi-communication protocol, which is characterized in that two communication interfaces and one power supply interface are arranged on a shell and are connected with a control circuit, the control circuit is composed of a power supply converting module, a CPU (Central Processing Unit) module, a storing module, a UART (Universal Asynchronous Receiver/Transmitter) serial port module, a 485 communication module and a CAN driving chip, which are connected together, the power supply converting module is connected with an external power supply through the power supply interface, the output end of the power supply converting module supplies power to the modules, the CPU module is respectively connected with the storing module, the UART serial port module, the 485 communication module and the CAN driving chip, the 485 communication module and the CAN driving chip are connected to the first communication interface on the shell, and the UART serial port module is connected to the second communication interface on the shell. The bus PLC disclosed by the utility model has reasonable design and can both serve as a high-end bus PLC and a communication gateway, and compared with the congeneric product, the bus PLC has the advantages of strong control function, flexible application and high cost performance, and the like, so that the bus PLC can be extensively applied in the field of industrial automatic production control.
Description
Technical field
The utility model belongs to industrial control field, especially a kind of bus-type PLC of many communications protocol.
Background technology
Because the speed of modern social development is more and more faster, the automaticity in commercial production field is increasingly high, and therefore, the demand that industrial automation equipment is made needed intelligent controller PLC also increases day by day.At present, the PLC product is mainly monopolized by American-European, japanese product, though domestic enterprise also at the PLC product of development oneself,, the PLC product that domestic enterprise developed is mainly used in the low side automation control area, can not capture robotization PLC market, middle and high end.PLC market in middle and high end, industrial automation field is still monopolized by external product, and the price of these external PLC products is all very expensive, has increased the production cost in China industrial automation field greatly, thereby has reduced our profit and competitiveness.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, provide a kind of reasonable in design, cost performance is high, the bus-type PLC of many communications protocol of applying flexible.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of bus-type PLC of many communications protocol; Comprise housing and inner control circuit thereof; On housing, being provided with two communication interfaces is connected with a power interface and with control circuit; This control circuit is connected and composed by power transfer module, CPU module, memory module, UART serial port module, 485 communication modules and CAN chip for driving; Power transfer module is connected with external power source through power interface; The output terminal of power transfer module is connected to and is above-mentioned module for power supply on CPU module, memory module, UART serial port module, 485 communication modules and the CAN chip for driving; The CPU module is connected with memory module, UART serial port module, 485 communication modules and CAN chip for driving respectively, and 485 communication modules are connected to jointly with the CAN chip for driving and are used to be connected CanOpen slave station or Profibus-DP slave station on first communication interface on the housing, and the UART serial port module is connected to and is used on second communication interface on the housing download the user program of host computer or carry out the Modbus communication with host computer.
And; Also be provided with following four working station indicators that are connected with control circuit on the described housing: the normal pilot lamp of software work; The software work malfunction indicator lamp, Profibus-DP or CanOpen communication state pilot lamp, serial ports or Modbus communication state pilot lamp.
And, also be provided with the toggle switch that is used for the translation debugging of bus PLC duty on the described housing.
And described power transfer module comprises 24V-5V power transfer module and 5V-2.5V power transfer module, and wherein: it is each module for power supply in the control circuit that the 24V-5V power module converts the 24V direct supply of outside into the 5V direct supply; 5V-2.5V power transfer module is connected the output terminal of 24V-5V power transfer module, carries out the conversion of 5V-2.5V and 2.5V is provided power supply for the CPU module.
And described 485 communication modules and CAN chip for driving are connected with first communication interface on the housing through 9 pin connectors jointly, and described UART serial port module is connected with second communication interface on the housing through 9 pin connectors.
And; Described CPU module adopts the XC164CS control chip; Described memory module adopts two CY7C109B-15ZC storage chips; Described UART serial port module adopts the SP3232EEN chip, and described 485 communication modules adopt the SP3485EEN chip, and described CAN chip for driving adopts the PCA82C250T chip.
The advantage and the good effect of the utility model are:
The utility model is reasonable in design, with the Modbus communications protocol, and the Profibus communications protocol; CanOpen communications protocol and serial port communicating protocol integrate; It both can be used as a high-end bus-type PLC, can be used as a Communication Gateway again, can realize fuzzy control function and pid control function; Have characteristics such as control function is powerful, cost performance is high, applying flexible, can be widely used in the control of industrial circle automated production and the manufacturing of automation control appliance.
Description of drawings
Fig. 1 is the housing front panel synoptic diagram of the utility model;
Fig. 2 is the housing top panel synoptic diagram of the utility model;
Fig. 3 is the case side panel synoptic diagram of the utility model;
Fig. 4 is the control circuit block scheme of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description:
A kind of bus-type PLC of many communications protocol comprises housing and inner control circuit thereof.To shown in Figure 3, on the housing front panel, be provided with two communication interfaces and four working station indicators like Fig. 1: first communication interface 3 is Profibus-DP or CanOpen communication interface, and second communication interface 6 is the interface of serial ports or Modbus communication; First working station indicator 1 is the normal pilot lamp of software work; Be used to indicate system software in proper working order; Second working station indicator 2 is the software work malfunction indicator lamp; Be used to indicate the system software operation irregularity, the 3rd working station indicator 4 is Profibus-DP or CanOpen communication state pilot lamp, is used to indicate the duty of Profibus-DP main website or CanOpen communication; The 4th working station indicator 5 is serial ports or Modbus communication state pilot lamp, is used to indicate the duty of serial ports or Modbus communication.A toggle switch 7 is arranged on the top panel of housing, and this toggle switch is used for the duty translation debugging.On the side panel of housing, being provided with a power interface 8 is used for external power source is linked on the control circuit and is its power supply.
As shown in Figure 4, the control circuit of enclosure interior is connected and composed by power transfer module, CPU module, memory module, UART serial port module, 485 communication modules and CAN chip for driving.External power source is linked into the input end of power transfer module; This power transfer module comprises 24V-5V power transfer module and 5V-2.5V power transfer module; The 24V-5V power module converts the 24V direct supply of outside into the 5V direct supply and is connected to and is above-mentioned module for power supply on CPU module, memory module, UART serial port module, 485 communication modules and the CAN chip for driving; The 24V-5V power module outlet is connected on the input end of 5V-2.5V power transfer module simultaneously; 5V-2.5V the 2.5V power supply of power transfer module output is connected on the CPU module to it provides 2.5V power supply, this 5V-2.5V power transfer module employing be the AS1117-2.5 chip.The CPU module adopts the XC164CS control chip to be connected with memory module, UART serial port module, 485 communication modules and CAN chip for driving respectively; Memory module adopts two CY7C109B-15ZC storage chips to be used to store user program and data; The UART serial port module adopts the SP3232EEN chip and is connected on second communication interface on the housing through 9 pin connectors, be used to download host computer user program or and host computer carry out the Modbus communication; 485 communication modules adopt the SP3485EEN chip; The CAN chip for driving adopts the PCA82C250T chip; 485 communication modules and CAN chip for driving are connected on first communication interface on the housing through 9 pin connectors jointly; Be used to connect CanOpen slave station or Profibus-DP slave station, the equipment on the slave station is controlled.
The course of work of the utility model is following: host computer is connected with second communication interface of this bus-type PLC, after the bus-type PLC that gives these many communications protocol powers up, the user program in the host computer is downloaded and is kept in the memory module in the control circuit.The CPU module will be carried out its necessary operations according to the user program user in the memory module subsequently, and the equipment that Profibus-DP that control is connected with first communication interface of this bus-type PLC or CanOpen communication interface are connected ensures its operate as normal.
It is emphasized that; The described embodiment of the utility model is illustrative; Rather than it is determinate; Therefore the utility model is not limited to the embodiment described in the embodiment, every by those skilled in the art according to other embodiments that the technical scheme of the utility model draws, belong to the scope of the utility model protection equally.
Claims (6)
1. the bus-type PLC of communications protocol more than a kind; Comprise housing and inner control circuit thereof; It is characterized in that: on housing, be provided with two communication interfaces and be connected with a power interface and with control circuit; This control circuit is connected and composed by power transfer module, CPU module, memory module, UART serial port module, 485 communication modules and CAN chip for driving; Power transfer module is connected with external power source through power interface; The output terminal of power transfer module is connected to and is above-mentioned module for power supply on CPU module, memory module, UART serial port module, 485 communication modules and the CAN chip for driving; The CPU module is connected with memory module, UART serial port module, 485 communication modules and CAN chip for driving respectively; 485 communication modules are connected to jointly with the CAN chip for driving and are used to be connected CanOpen slave station or Profibus-DP slave station on first communication interface on the housing, and the UART serial port module is connected to and is used on second communication interface on the housing download the user program of host computer or carry out the Modbus communication with host computer.
2. the bus-type PLC of many communications protocol according to claim 1 is characterized in that: also be provided with following four working station indicators that are connected with control circuit on the described housing: the normal pilot lamp of software work, software work malfunction indicator lamp, Profibus-DP or CanOpen communication state pilot lamp, serial ports or Modbus communication state pilot lamp.
3. the bus-type PLC of many communications protocol according to claim 1 is characterized in that: also be provided with the toggle switch that is used for the duty translation debugging on the described housing.
4. the bus-type PLC of many communications protocol according to claim 1; It is characterized in that: described power transfer module comprises 24V-5V power transfer module and 5V-2.5V power transfer module, and wherein: it is each module for power supply in the control circuit that the 24V-5V power module converts the 24V direct supply of outside into the 5V direct supply; 5V-2.5V power transfer module is connected the output terminal of 24V-5V power transfer module, carries out the conversion of 5V-2.5V and 2.5V is provided power supply for the CPU module.
5. the bus-type PLC of many communications protocol according to claim 1; It is characterized in that: described 485 communication modules and CAN chip for driving are connected with first communication interface on the housing through 9 pin connectors jointly, and described UART serial port module is connected with second communication interface on the housing through 9 pin connectors.
6. according to the bus-type PLC of each described many communications protocol of claim 1 to 5; It is characterized in that: described CPU module adopts the XC164CS control chip; Described memory module adopts two CY7C109B-15ZC storage chips; Described UART serial port module adopts the SP3232EEN chip, and described 485 communication modules adopt the SP3485EEN chip, and described CAN chip for driving adopts the PCA82C250T chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201189426U CN202472346U (en) | 2012-03-27 | 2012-03-27 | Bus PLC (Programmable Logic Controller) with multi-communication protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201189426U CN202472346U (en) | 2012-03-27 | 2012-03-27 | Bus PLC (Programmable Logic Controller) with multi-communication protocol |
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| Publication Number | Publication Date |
|---|---|
| CN202472346U true CN202472346U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201189426U Expired - Lifetime CN202472346U (en) | 2012-03-27 | 2012-03-27 | Bus PLC (Programmable Logic Controller) with multi-communication protocol |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235542A (en) * | 2013-02-01 | 2013-08-07 | 哈尔滨理工大学 | Field programmable gate array (FPGA)-based multipath standard signal acquisition and transmission device |
| CN111385172A (en) * | 2018-12-27 | 2020-07-07 | 杭州萤石软件有限公司 | Control system, control method and storage medium based on bus |
-
2012
- 2012-03-27 CN CN2012201189426U patent/CN202472346U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235542A (en) * | 2013-02-01 | 2013-08-07 | 哈尔滨理工大学 | Field programmable gate array (FPGA)-based multipath standard signal acquisition and transmission device |
| CN111385172A (en) * | 2018-12-27 | 2020-07-07 | 杭州萤石软件有限公司 | Control system, control method and storage medium based on bus |
| CN111385172B (en) * | 2018-12-27 | 2021-11-26 | 杭州萤石软件有限公司 | Control system, control method and storage medium based on bus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160328 Address after: 300384 Tianjin city Alex Hua Tian Huayuan Industrial District Road No. 6 Haitai building block B room 704 -20 Patentee after: Tianjin Hengxin Chuang Yuan Technology Co., Ltd. Address before: 300456, No. 199, Tianbao Avenue, Tianjin Free Trade Zone, Binhai New Area, 803A Patentee before: Tianjin Chuangyuan Electrical Engeneering Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
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| CX01 | Expiry of patent term |