CN220383166U - 10Mbps multi-protocol isolation serial port card with PMC specification - Google Patents
10Mbps multi-protocol isolation serial port card with PMC specification Download PDFInfo
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- CN220383166U CN220383166U CN202223223681.7U CN202223223681U CN220383166U CN 220383166 U CN220383166 U CN 220383166U CN 202223223681 U CN202223223681 U CN 202223223681U CN 220383166 U CN220383166 U CN 220383166U
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- 238000002955 isolation Methods 0.000 title claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 20
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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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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Abstract
The beneficial effects of the utility model are as follows: the 10Mbps multi-protocol isolation serial port card of the PMC specification is designed into the PMC specification, provides 8 paths of independent serial port channels, adopts a PCI-to-UART bridge chip as a core processing device, realizes conversion between a PCI bus and a UART, and realizes a GPIO interface by a complex programmable logic device. And a complex programmable logic device for realizing overall control. RS-422, RS-485, RS-232 multiprotocol transceiver, realize 8 ways 10M RS-422, RS-485, RS-232 serial port communication; the performance and the functions of the board card can meet the current market demands.
Description
Technical Field
The utility model relates to the fields of banks, finance, securities, telecommunication, industrial control and the like, which is an important hardware component of a computer multi-user communication control system, in particular to a 10Mbps multi-protocol isolation serial port card bus communication board card with PMC specification.
Background
The universal asynchronous receiver transmitter Universal Asynchronous Receiver Transmitter is commonly referred to as UART. It converts the data to be transmitted between serial communication and parallel communication. As a chip for converting parallel input signals into serial output signals, UARTs are typically integrated on the connection of other communication interfaces.
With the development of banking, finance, securities, telecommunication and industrial control industries, the serial port communication speed, the number of interfaces and the type of the serial port bus are increasingly required, and the development requirement of a system is hardly met by the traditional single-protocol serial port bus of 115200 bps. Therefore, there is a need to develop higher speed, more numerous, more integrated, isolation serial cards, 10Mbps 8-channel multi-protocol isolation serial cards. Therefore, the research and development of the 10Mbps multi-protocol isolation serial port card has great significance.
Disclosure of Invention
In order to solve the requirements of the current related field on serial port transmission rate, channel number and multi-protocol, and meet the development requirements, the utility model provides a 10Mbps multi-protocol isolation serial port card bus communication board card with PMC specification. The board card adopts 8 paths of independent serial port chips to realize communication electric standards compatible with 10Mbps RS-422, RS-232 and RS-485. The design is PMC specification, and can be applied to all PMC industrial control computers.
The 10Mbps multi-protocol isolation serial port card of the PMC specification comprises: PCI bus interface, PCI-UART bridge, complex programmable logic device, level conversion chip, isolation module, multi-protocol serial transceiver, power management module and connector;
the PCI bus interface is connected with the PCI-UART bridge chip and the power management module.
The PCI-to-UART bridge piece is connected with a PCI bus interface, a level conversion chip, a complex programmable logic device and a power management module, so that conversion between the PCI bus and the UART is realized;
the complex programmable logic device is connected with the PCI-UART bridge chip, the level conversion chip and the power management module to realize overall control;
the level conversion chip is connected with the PCI-UART bridge, the complex programmable logic device, the isolation module and the power management module to realize +3.3V to +5V level conversion.
The isolation module is connected with the level conversion chip, the multi-protocol serial port transceiver and the power management module, and realizes that each path of communication signals and control signals of 8 channels are isolated mutually independently.
The multi-protocol serial port transceiver is connected with the isolation module, the connector and the power management module to realize level conversion and serial port signal output.
The power management module is connected with the PCI bus interface, the PCI-to-UART bridge chip, the complex programmable logic device, the level conversion chip, the isolation module and the multi-protocol serial transceiver and is used for isolating the voltage required by the multi-protocol serial card for the 10Mbps of the PMC specification;
and the connector is connected with the multi-protocol serial port transceiver and is a connector of the UART interface outside the 10Mbps multi-protocol isolation serial port card pair of the PMC specification.
The multi-protocol serial transceiver includes: 8 groups of 10Mbps multi-protocol serial port transceiver modules and matching resistance switching modules are used for realizing 8-path 10M RS-422, RS-485 and RS-232 serial port communication;
the beneficial effects of the utility model are as follows: the 10Mbps multi-protocol isolation serial port card of the PMC specification is designed into the PMC specification, provides 8 paths of independent serial port channels, adopts PCI-to-UART bridge chips as a core processing device, realizes conversion between the PCI-to-UART bridge chips, and realizes overall control. The multi-protocol serial port transceiver realizes 8 paths of 10M RS-422, RS-485 and RS-232 serial port isolation communication; the influence of external interference on serial port communication is effectively reduced, and the performance and the functions of the board card can meet the current market demands.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a block diagram of a PMC standard 10Mbps multi-protocol isolation serial card bus communication board card according to the present utility model.
Detailed Description
As shown in FIG. 1, the utility model provides a block diagram of a PMC 10Mbps multi-protocol isolation serial port card bus communication board. The 10Mbps multi-protocol isolation serial port card of the PMC specification comprises: the PCI bus interface 1, the PCI-UART bridge 2, the complex programmable logic device 4, the level conversion chip 5, the isolation module 6, the multi-protocol serial transceiver 7, the power management module 3 and the connector 8;
the PCI bus interface 1 connects the PCI-to-UART bridge 2 and the power management module 3.
The PCI-to-UART bridge 2 is connected with a PCI bus interface 1, a level conversion chip 5, a complex programmable logic device 4 and a power management module 3, so as to realize conversion between a PCI bus and a UART;
the complex programmable logic device 4 is connected with the PCI-UART bridge chip 2, the level conversion chip 5 and the power management module 3 to realize overall control.
The level conversion chip 5 is connected with the PCI-UART bridge 2, the complex programmable logic device 4, the isolation module 6 and the power management module 3 to realize +3.3V to +5V level conversion.
The isolation module 6 is connected with the level conversion chip 5, the multi-protocol serial transceiver 7 and the power management module 3, and realizes that each path of communication signals and control signals of 8 channels are isolated mutually and independently.
The multi-protocol serial port transceiver 7 is connected with the isolation module 6, the connector 8 and the power management module 3 to realize level conversion and serial port signal output.
The power management module 3 is connected with the PCI bus interface 1, the PCI-to-UART bridge 4, the complex programmable logic device 5, the level conversion chip 5, the isolation module 6, the multi-protocol serial transceiver 7 and the 10Mbps multi-protocol isolation serial card bus communication board card for providing required voltage for the PMC specification.
And the connector 8 is connected with the multi-protocol serial transceiver 7 and is a connector of the UART interface outside the 10Mbps multi-protocol isolation serial card of the PMC specification.
The beneficial effects of the utility model are as follows: the 10Mbps multi-protocol isolation serial port card of the PMC specification is designed into the PMC specification, provides 8 paths of independent serial port channels, adopts a PCI-UART bridge chip as a core processing device, realizes conversion between a PCI bus and a UART, and realizes overall control. The multi-protocol serial port transceiver realizes 8 paths of 10M RS-422, RS-485 and RS-232 serial port communication; the performance and the functions of the board card can meet the current market demands.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (2)
1. The utility model provides a 10Mbps multiprotocol isolation serial port card of PMC specification which characterized in that:
the 10Mbps multi-protocol isolation serial port card of the PMC specification comprises: PCI bus interface, PCI-UART bridge, complex programmable logic device, level conversion chip, isolation module, multi-protocol serial transceiver, power management module and connector;
the PCI bus interface is connected with the PCI-UART bridge chip and the power management module;
the PCI-to-UART bridge piece is connected with a PCI bus interface, a level conversion chip, a complex programmable logic device and a power management module, so that conversion between the PCI bus and the UART is realized;
the complex programmable logic device is connected with the PCI-UART bridge chip, the level conversion chip and the power management module to realize overall control;
the level conversion chip is connected with the PCI-UART bridge, the complex programmable logic device, the isolation module and the power management module to realize +3.3V to +5V level conversion;
the isolation module is connected with the level conversion chip, the multi-protocol serial transceiver and the power management module, and realizes that each path of communication signals and control signals of 8 channels are isolated independently;
the multi-protocol serial port transceiver is connected with the isolation module, the connector and the power management module to realize level conversion and serial port signal output;
the power management module is connected with a PCI bus interface, a PCI-to-UART bridge chip, a complex programmable logic device, a level conversion chip, an isolation module and a multi-protocol serial transceiver and is used for isolating the voltage required by the serial card for 10Mbps multi-protocol of the PMC specification;
and the connector is connected with the multi-protocol serial port transceiver and is a connector of the UART interface outside the 10Mbps multi-protocol isolation serial port card pair of the PMC specification.
2. The PMC-sized 10Mbps multi-protocol isolation serial card of claim 1, wherein:
the multi-protocol serial transceiver includes: 8 groups of 10Mbps multi-protocol serial port transceiver modules and matching resistance switching modules are used for realizing 8-path 10M RS-422, RS-485 and RS-232 serial port communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223223681.7U CN220383166U (en) | 2022-12-02 | 2022-12-02 | 10Mbps multi-protocol isolation serial port card with PMC specification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223223681.7U CN220383166U (en) | 2022-12-02 | 2022-12-02 | 10Mbps multi-protocol isolation serial port card with PMC specification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220383166U true CN220383166U (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223223681.7U Active CN220383166U (en) | 2022-12-02 | 2022-12-02 | 10Mbps multi-protocol isolation serial port card with PMC specification |
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| Country | Link |
|---|---|
| CN (1) | CN220383166U (en) |
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2022
- 2022-12-02 CN CN202223223681.7U patent/CN220383166U/en active Active
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