CN104181834A - Eight-channel 110V digital PC104 control card and control method - Google Patents
Eight-channel 110V digital PC104 control card and control method Download PDFInfo
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- CN104181834A CN104181834A CN201310195577.8A CN201310195577A CN104181834A CN 104181834 A CN104181834 A CN 104181834A CN 201310195577 A CN201310195577 A CN 201310195577A CN 104181834 A CN104181834 A CN 104181834A
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Abstract
The invention relates to an eight-channel 110V digital PC104 control card and a control method. The PC104 control card comprises a field programmable gate array, a protection circuit unit, a control circuit unit, an isolation circuit unit and a communication interface level converting circuit unit. An output interface of the field programmable gate array is connected with the field programmable gate array through the isolation circuit unit, and a communication interface of the field programmable gate array is connected with the communication interface level converting circuit unit. One or more protection circuit units are arranged in cascade on the control circuit unit. The field programmable gate array is also connected with a PC104 interface, used for parallel control on eight-channel 110V digital signals. The field programmable gate array with high performance is employed for real-time parallel control on the eight-channel 110V digital signals. Timeliness and reliability are high. The PC104 control card provided by the invention can be directly used on any apparatus with the PC104 interface, so practicality and versatility are strong.
Description
Technical field
The present invention relates to a kind of digital quantity signal control card, particularly a kind of have PC104 interface, Digital Signals card and the control method that can carry out 8 road 110V discrete control work.
Background technology
At present, the digital quantity signal control card of known PC104 interface is the highest only supports 24V digital quantity signal to control, and cannot realize the access of 110V high-voltage digital amount signal, and then also cannot carry out the control of 110V digital quantity signal.
Summary of the invention
In order to overcome existing PC104 discrete control card, can not realize the input of 110V digital quantity signal, the invention provides a kind of discrete control card of novel PC 104 interfaces, not only adopt the PC104 communication protocol of standard, and can realize the work of 110V discrete control.
To achieve these goals; technical scheme of the present invention is: a kind of 8 passage 110V digital quantity PC104 control cards; it is characterized in that, comprise field programmable logic array (FPLA), holding circuit unit, control circuit unit, buffer circuit unit and communication interface level shifting circuit unit
Described field programmable logic array (FPLA) output interface is connected to a control circuit unit by a buffer circuit unit, and described field programmable logic array (FPLA) communication interface is connected to a communication interface level shifting circuit unit;
Described control circuit unit higher level is associated with one or more holding circuit unit;
Described field programmable logic array (FPLA) also connects an equipment PC104 interface, for 8 passage 110V digital quantity signals, carries out parallel control.
Further, the control circuit that described output control circuit unit is preferably comprised of resistance, electric capacity, diode, field effect transistor.
Further, the holding circuit that described holding circuit unit is preferably comprised of TVS pipe.
Further, the programmable gate array that the FPGA of described programmable logic array built-in FLASH function forms.
Further, the level shifting circuit that described communication interface level shifting circuit unit is preferably comprised of level transferring chip, resistance, electric capacity.
Further, the buffer circuit that described buffer circuit unit is preferably comprised of optocoupler, resistance and insulating power supply.
Alternatively, the bidirectional level conversion circuit of described communication interface level shifting circuit unit preferred voltage ranges 5v～3v.
Alternatively, described control card adopts Standard PC 104 communication protocol interfaces and is connected with main frame by connecting a backplane interface.
Alternatively, described programmable logic array adopts the PLD programming device of FPGA or FPLA.
The present invention also proposes a kind of 8 passage 110V digital quantity PC104 control methods, and step is as follows,
1) host computer control information exchange is crossed equipment PC104 interface and is communicated by letter with field programmable logic array (FPLA), after the level shifting circuit cell translation through being connected with field programmable logic array (FPLA) communication interface, enters field programmable logic array (FPLA);
2) at described field programmable logic array (FPLA), produce output control signal, control signal enters control circuit unit by buffer circuit unit; Control circuit unit higher level, be associated with one or more holding circuit unit;
3) according to field programmable logic array (FPLA), described 8 passage 110V digital quantity signals are carried out to parallel control.
The invention has the beneficial effects as follows: the present invention is simple in structure, cost is low.Adopt high performance field programmable logic array (FPLA) to carry out real-time parallel control to 8 road 110V digital quantity signals, real-time is high, reliability is high.The present invention can directly use on any equipment with PC104 interface, practicality, highly versatile
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of the specific embodiment of the invention;
Fig. 2 is the circuit theory diagrams of the specific embodiment of the invention;
Fig. 3 is the schematic block circuit diagram of the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, be understandable that, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those skilled in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The present invention's 8 passage 110V digital quantity PC104 control cards, comprise field programmable logic array (FPLA) FPLA or FPGA, holding circuit unit, control circuit unit, buffer circuit unit and communication interface level shifting circuit unit in one embodiment.Wherein, field programmable logic array (FPLA) FPLA or FPGA output interface are connected to control circuit unit by buffer circuit unit; field programmable logic array (FPLA) FPLA or FPGA communication interface are connected to communication interface level shifting circuit unit, are associated with holding circuit unit control circuit unit higher level simultaneously.Field programmable logic array (FPLA) FPLA or FPGA receive the control information from main frame by PC104 interface, analyze, process, then field programmable logic array (FPLA) FPLA or FPGA produce output control signal and enter into 110V control circuit through buffer circuit unit, realization is controlled 110V signal, thereby realize main control computer, by PC104 interface, carries out 110V digital quantity signal control work.
As shown in Figure 1; be electrical block diagram in a kind of 8 passage 110V digital quantity PC104 control card one embodiment of the present invention, comprise field programmable logic array (FPLA), holding circuit unit, control circuit unit, buffer circuit unit and communication interface level shifting circuit unit.Wherein, field programmable logic array (FPLA) output interface is connected to control circuit unit by buffer circuit unit; field programmable logic array (FPLA) communication interface is connected to communication interface level shifting circuit unit, is associated with holding circuit unit control circuit unit higher level simultaneously, controls overload.Field programmable logic array (FPLA) FPLA receives the control information from main frame by PC104 interface, analyze, process, then field programmable logic array (FPLA) produces output control signal and enters into 110V control circuit through buffer circuit unit, realizes 110V signal is controlled.
Be to control control circuit cell schematics in an embodiment of a kind of 8 passage 110V digital quantity PC104 control cards of the present invention as shown in Figure 2, comprise field programmable gate array FPGA, holding circuit, control circuit, buffer circuit and communication interface level shifting circuit.Field programmable gate array FPGA output interface is connected to control circuit by buffer circuit, and field programmable logic array (FPLA) communication interface is connected to communication interface level shifting circuit, and at control circuit, higher level is associated with holding circuit.Field programmable logic array (FPLA) receives the control information from main frame by PC104 interface, analyze, process, then field programmable logic array (FPLA) produces output control signal and enters into 110V control circuit through buffer circuit, realization is controlled 110V signal, thereby realize main control computer, by PC104 interface, carries out 110V digital quantity signal control work.
The control circuit that output control circuit is preferably comprised of resistance, electric capacity, diode, field effect transistor.
The holding circuit that holding circuit is preferably comprised of 120VTVS pipe.
The programmable gate array that programmable logic array adopts the FPGA of built-in FLASH to form.
The level shifting circuit that communication interface level shifting circuit is preferably comprised of level transferring chip, resistance, electric capacity.
The buffer circuit that buffer circuit is preferably comprised of optocoupler, resistance, insulating power supply.
As shown in Figure 3, communication interface level shifting circuit unit is preferably the bidirectional level conversion circuit of 5v～3v, realize main control computer and carry out power module 110V digital quantity signal control work by PC104 interface, the output control signal of Transistor-Transistor Logic level is independent 110 output signals in 8 roads.
Claims (10)
1. 8 passage 110V digital quantity PC104 control cards, is characterized in that, comprise field programmable logic array (FPLA), holding circuit unit, control circuit unit, buffer circuit unit and communication interface level shifting circuit unit,
Described field programmable logic array (FPLA) output interface is connected to a control circuit unit by a buffer circuit unit, and described field programmable logic array (FPLA) communication interface is connected to a communication interface level shifting circuit unit;
Described control circuit unit higher level is associated with one or more holding circuit unit;
Described field programmable logic array (FPLA) also connects an equipment PC104 interface, for 8 passage 110V digital quantity signals, carries out parallel control.
2. 8 passage 110V digital quantity PC104 control cards as claimed in claim 1, is characterized in that the control circuit that described output control circuit unit is preferably comprised of resistance, electric capacity, diode, field effect transistor.
3. 8 passage 110V digital quantity PC104 control cards as claimed in claim 1, is characterized in that, the holding circuit that described holding circuit unit is preferably comprised of TVS pipe.
4. 8 passage 110V digital quantity PC104 control cards as claimed in claim 1, is characterized in that, described programmable logic array is the programmable gate array that the FPGA of built-in FLASH function forms.
5. 8 passage 110V digital quantity PC104 control cards as claimed in claim 1, is characterized in that the level shifting circuit that described communication interface level shifting circuit unit is preferably comprised of level transferring chip, resistance, electric capacity.
6. 8 passage 110V digital quantity PC104 control cards as claimed in claim 1, is characterized in that the buffer circuit that described buffer circuit unit is preferably comprised of optocoupler, resistance and insulating power supply.
7. 8 passage 110V digital quantity PC104 control cards as claimed in claim 1, is characterized in that the bidirectional level conversion circuit of described communication interface level shifting circuit unit preferred voltage ranges 5v～3v.
8. 8 passage 110V digital quantity PC104 control cards as claimed in claim 1, is characterized in that, described control card adopts Standard PC 104 communication protocol interfaces and is connected with main frame by connecting a backplane interface.
9. 8 passage 110V digital quantity PC104 control cards as claimed in claim 1, is characterized in that, described programmable logic array adopts the PLD programming device of FPGA or FPLA.
10. a control method corresponding to 8 passage 110V digital quantity PC104 control card as claimed in claim 1, the steps include:
1) host computer control information exchange is crossed equipment PC104 interface and is communicated by letter with field programmable logic array (FPLA), after the level shifting circuit cell translation through being connected with field programmable logic array (FPLA) communication interface, enters field programmable logic array (FPLA);
2) at described field programmable logic array (FPLA), produce output control signal, described control signal enters control circuit unit by buffer circuit unit; Control circuit unit higher level, be associated with one or more holding circuit unit;
3) according to field programmable logic array (FPLA), described 8 passage 110V digital quantity signals are carried out to parallel control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195577.8A CN104181834A (en) | 2013-05-23 | 2013-05-23 | Eight-channel 110V digital PC104 control card and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195577.8A CN104181834A (en) | 2013-05-23 | 2013-05-23 | Eight-channel 110V digital PC104 control card and control method |
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| Publication Number | Publication Date |
|---|---|
| CN104181834A true CN104181834A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310195577.8A Pending CN104181834A (en) | 2013-05-23 | 2013-05-23 | Eight-channel 110V digital PC104 control card and control method |
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| CN (1) | CN104181834A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201600574U (en) * | 2009-12-31 | 2010-10-06 | 成都运达创新科技有限公司 | Vehicular logic control unit for realizing interchange of inserts |
| CN102279576A (en) * | 2011-05-18 | 2011-12-14 | 天津津伯仪表技术有限公司 | Special control circuit for multi-protocol open type combined actuating mechanism |
| CN102968080A (en) * | 2012-11-16 | 2013-03-13 | 湖北方圆环保科技有限公司 | Control device for low-background alpha-beta measuring instrument |
| CN202838340U (en) * | 2012-09-07 | 2013-03-27 | 中科方德软件有限公司 | Digital quantity personal computer (PC) 104 signal acquisition card |
-
2013
- 2013-05-23 CN CN201310195577.8A patent/CN104181834A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201600574U (en) * | 2009-12-31 | 2010-10-06 | 成都运达创新科技有限公司 | Vehicular logic control unit for realizing interchange of inserts |
| CN102279576A (en) * | 2011-05-18 | 2011-12-14 | 天津津伯仪表技术有限公司 | Special control circuit for multi-protocol open type combined actuating mechanism |
| CN202838340U (en) * | 2012-09-07 | 2013-03-27 | 中科方德软件有限公司 | Digital quantity personal computer (PC) 104 signal acquisition card |
| CN102968080A (en) * | 2012-11-16 | 2013-03-13 | 湖北方圆环保科技有限公司 | Control device for low-background alpha-beta measuring instrument |
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Application publication date: 20141203 |
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| WD01 | Invention patent application deemed withdrawn after publication |