CN104142647A - General simulation and digital signal input and output board card - Google Patents
General simulation and digital signal input and output board card Download PDFInfo
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- CN104142647A CN104142647A CN201410392146.5A CN201410392146A CN104142647A CN 104142647 A CN104142647 A CN 104142647A CN 201410392146 A CN201410392146 A CN 201410392146A CN 104142647 A CN104142647 A CN 104142647A
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Abstract
The invention relates to a general simulation and digital signal input and output board card. The input and output board card comprises a single chip microcomputer, signal input interfaces and signal output interfaces. The single chip microcomputer internally comprises a relay control module, a digital signal input and output module, an analog signal input and output module and a protocol conversion module and supports the MODBUS protocol, the VXI11 protocol and the TCP/IP protocol. The signal input interfaces comprise the VPC interface and the MAC interface. The signal output interfaces comprise the Ethernet interface, the CAN interface, the LIN interface and a series port. The board card can be directly inserted into a test instrument, collects detection signals in a centralized mode and transmits the detection signals to a remote control end, in this way, wires, cables and connectors, used for connecting the test instrument and production equipment and the control end, on a production line are reduced substantially, so that the problems of complex wiring, difficult maintenance and mutual interference of lines in the prior art are avoided, and the noise of detection results can be reduced.
Description
Technical field
the present invention relates to a kind of general-purpose simulation and digital signal input and output board.
Background technology
in prior art, be manyly used in tester on production line and the data acquisition of test macro, and the data transmission between test lead and remote control terminal (as PC or PXI etc.), be all that the self-defined electric wire based on extensive interconnection completes substantially.There is so following defect: the one, connect up very complicated, once the maintenance that goes wrong is very difficult; The 2nd, between circuit, interact and easily test macro is produced and disturbed; The 3rd, cable itself has certain resistance, the terminal of cable is exactly the connector of data acquisition system (DAS), additional resistance and the connector of cable self are included in test macro, bring certain negative effect unavoidably to test macro, as affect precision of testing result etc..
Summary of the invention
the present invention is intended to overcome the deficiencies in the prior art, a kind of general-purpose simulation and digital signal input and output board are provided, can be arranged in the testing tool of production line, the various detection signals of unified collecting test instrument, and can export detection signal unification to remote control terminal.
for solving above technical matters, the technical scheme that the present invention takes is:
a kind of general-purpose simulation and digital signal input and output board, comprise single-chip microcomputer, signal input interface and signal output interface, in described single-chip microcomputer, comprise relay control module, digital signal input/output module, simulating signal input/output module, communications protocol modular converter, described single-chip microcomputer is supported MODBUS agreement, VXI11 agreement and ICP/IP protocol, described signal input interface comprises VPC interface and MAC interface, and described signal output interface comprises Ethernet interface, CAN interface, LIN interface and serial line interface.
general-purpose simulation of the present invention and digital signal input and output board, can also replace the single-chip microcomputer in above-mentioned board with arm processor.
the using method of general-purpose simulation of the present invention and digital signal input and output board is as follows: first, according to the type of the testing tool using on production line, select by VPC interface or MAC interface, board of the present invention to be connected with this testing tool; Then, select to be according to actual needs connected by Ethernet interface, CAN interface, LIN interface and a kind of and remote control terminal (as PC or PXI etc.) in serial line interface; When testing tool is worked, the digital signal of various detections that board of the present invention can gather this testing tool by signal input interface is or/and simulating signal, single-chip microcomputer adopts the communications protocol such as MODBUS agreement, VXI11 agreement or ICP/IP protocol that the signal collecting is sent to remote control terminal by signal output interface as required, by remote control terminal, these detection signals is further processed.
due to the enforcement of above technical scheme, the present invention compared with prior art tool has the following advantages:
general-purpose simulation of the present invention and digital signal input and output board, can directly insert the inside of the testing tool of production line, the various detection signals of concentrating collecting test instrument test to obtain, and detection signal is concentrated and is sent to remote control terminal, so just significantly reduced on production line for the electric wire between connecting test tools, instruments and production equipment and control end and connector, thereby avoided the problems such as wiring complexity of the prior art, maintenance difficult, circuit interfere with each other, can give testing result noise abatement simultaneously and save the installation cost of testing tool.
Accompanying drawing explanation
fig. 1 is the inner connecting structure figure of board of the present invention.
a kind of connection diagram when Fig. 2 is board application of the present invention.
Embodiment
below in conjunction with specific embodiment, the present invention will be further described in detail, but be not limited to these embodiment.
Embodiment
as shown in Figure 1, the general-purpose simulation of the present embodiment and digital signal input and output board, comprise single-chip microcomputer 1, signal input interface 2 and signal output interface 3; The interior setting of single-chip microcomputer 1 comprises relay control module, digital signal input/output module, simulating signal input/output module, communications protocol modular converter etc.; Single-chip microcomputer 1 is supported multiple kinds, comprises MODBUS agreement, VXI11 agreement and ICP/IP protocol etc.; Signal input interface 2 comprises VPC interface and MAC interface, and signal output interface 3 comprises Ethernet interface, CAN interface, LIN interface and serial ports.Single-chip microcomputer 1 also can replace to the arm processor that has above-mentioned multiple module and support multiple kinds.
fig. 2 provides a kind of application connection diagram of the present embodiment board.According to the difference that arranges of testing tool concrete on production line; the present embodiment board can be selected to be patched into this testing tool and (be generally automated test device by VPC interface or MAC interface direct; ATE) in inner mainboard draw-in groove, as the input end of detection signal; Input end collects after detection signal, single-chip microcomputer can be selected voluntarily corresponding module to operate and by corresponding communications protocol, detection signal is sent to remote control terminal (PC/PXI), according to actual needs, signal output interface can be selected any one in Ethernet interface, CAN interface, LIN interface and serial ports.As shown in Figure 2, the signal output interface of the present embodiment board is selected Ethernet interface, and, the present embodiment is provided with polylith board, a testing tool of the every corresponding connection of board, and the signal output interface of polylith board (being Ethernet interface) is concentrated, be connected on an ethernet switch hub, and send a remote control terminal to by ethernet switch hub unification.This becomes in order being connected between many testing tools on production line and PC or PXI and simple, has greatly reduced various wirings puzzlements, has also saved production line simultaneously and has installed and maintenance cost.
above the present invention is described in detail; its object is to allow the personage who is familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence that all Spirit Essences according to the present invention are done changes or modifies, and all should be encompassed in protection scope of the present invention.
Claims (2)
1. a general-purpose simulation and digital signal input and output board, it is characterized in that: described general-purpose simulation and digital signal input and output board comprise single-chip microcomputer, signal input interface and signal output interface, in described single-chip microcomputer, comprise relay control module, digital signal input/output module, simulating signal input/output module, protocol translation module, described single-chip microcomputer is supported MODBUS agreement, VXI11 agreement and ICP/IP protocol, described signal input interface comprises VPC interface and MAC interface, described signal output interface comprises Ethernet interface, CAN interface, LIN interface and serial line interface.
2. general-purpose simulation according to claim 1 and digital signal input and output board, is characterized in that: with arm processor, replace single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392146.5A CN104142647A (en) | 2014-08-11 | 2014-08-11 | General simulation and digital signal input and output board card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392146.5A CN104142647A (en) | 2014-08-11 | 2014-08-11 | General simulation and digital signal input and output board card |
Publications (1)
| Publication Number | Publication Date |
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| CN104142647A true CN104142647A (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410392146.5A Pending CN104142647A (en) | 2014-08-11 | 2014-08-11 | General simulation and digital signal input and output board card |
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| CN (1) | CN104142647A (en) |
Cited By (3)
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| CN105403840A (en) * | 2015-10-29 | 2016-03-16 | 湖北三江航天红阳机电有限公司 | Thermal battery tester |
| CN112666370A (en) * | 2020-12-10 | 2021-04-16 | 广州擎天实业有限公司 | Extended interface of PEMFC engine test system and driving method |
| CN112968894A (en) * | 2021-02-19 | 2021-06-15 | 北京物芯科技有限责任公司 | Interface conversion device and computing equipment |
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Application publication date: 20141112 |
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