CN1184774C - Transducer able to implement Ethernet communication and with redundent power supply provided by network - Google Patents
Transducer able to implement Ethernet communication and with redundent power supply provided by network Download PDFInfo
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- CN1184774C CN1184774C CNB01132306XA CN01132306A CN1184774C CN 1184774 C CN1184774 C CN 1184774C CN B01132306X A CNB01132306X A CN B01132306XA CN 01132306 A CN01132306 A CN 01132306A CN 1184774 C CN1184774 C CN 1184774C
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- power supply
- interface
- microprocessor
- integrated package
- converter
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- 238000004891 communication Methods 0.000 title claims abstract description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 125000001033 ether group Chemical group 0.000 claims description 10
- 238000013500 data storage Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
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Abstract
The present invention belongs to the technical field of electric communication, particularly to a transmitter suitable for communication by Ethernet. The present invention comprises a latch, a program memory, a data memory, an A/D converter, a programmable logic array circuit, a microprocessor and an RJ45 interface. The present invention is characterized in that the microprocessor is connected to an Ethernet signal receiving and sending controller which is connected to the RJ45 interface, a redundant direct current power supply is also connected to the RJ45 interface, and the redundant direct current power supply is connected to a DC/DC voltage converter which is respectively connected to the latch, the program memory, the data memory, the A/D converter and the microprocessor. The transmitter provided by the present invention not only can change a sampled sensor signal into engineering work load which is sent to other Ethernet devices by the Ethernet and a TCP(UDP)/IP protocol but also can use the redundant direct current power supply transmitted on a cable as an operating power supply, so the present invention has the advantages of reasonable wire distribution and safe and reliable operation.
Description
Technical field
The invention belongs to electric communication technique field, particularly relate to and a kind ofly can realize ethernet communication and by the transmitter of redundent power supply of network.
Background technology
In background technology, transmitter can only be realized the transducing signal of sampling is converted to digital signal usually, after intelligent the processing, is sent to other automation equipments by analog signal or digital signal (non-Ethernet signal).This transmitter mainly comprises latch, program storage, data storage, A/D converter, programmable logic array circuit, microprocessor, and this transmitter can not be directly connected on the Ethernet and use.And the Ethernet connected mode can not only be transmitted the ethernet communication signal but also be transmitter transmission dc supply by same cable, promptly so-called " bus-powered ", this has brought inconvenience just for wiring and network operation, concerning equipment such as industry spot instrument, just need to increase in addition power supply, this has not only increased cable and wiring cost greatly, has also influenced the fail safe and the reliability of system.
Summary of the invention
In order to solve the deficiency of existing transmitter, the invention provides and a kind ofly can realize ethernet communication and by the transmitter of redundent power supply of network, the technical solution that the present invention adopts is such: it comprises latch, program storage, data storage, A/D converter, the programmable logic array circuit, microprocessor and RJ45 interface, programmable logic array circuit and microprocessor and ether signal transmitting and receiving controller join, it is characterized in that microprocessor is connected with ether signal transmitting and receiving controller, ether signal transmitting and receiving controller is connected with the RJ45 interface, also join at the RJ45 interface with redundant DC power supply, redundant DC power supply and DC/DC electric pressure converter join, the DC/DC electric pressure converter respectively with latch, program storage, data storage, A/D converter is connected with microprocessor.Transmitter provided by the invention can not only be converted to quantities with the sensor signal of sampling, and be sent to other ethernet devices through Ethernet, TCP (UDP)/IP agreement, and the redundant DC power supply of transmitting on the cable can be offered transmitter by the power supply redundancy input circuit, reach wiring is reasonable, system works is provided fail safe and reliability.
Description of drawings
Fig. 1 is a theory diagram of the present invention
Fig. 2 is a local circuit schematic diagram of the present invention
Fig. 3 is a RJ45 interface pin schematic diagram of the present invention
Fig. 4 is a circuit theory schematic diagram of the present invention
Embodiment
As shown in Figure 1, it comprises latch 1, program storage 2, data storage 3, A/D converter 4, programmable logic array circuit 5, microprocessor 6 and RJ45 interface 8, programmable logic array circuit 5 joins with microprocessor 6 and ether signal transmitting and receiving controller 7, described microprocessor 6 is connected with ether signal transmitting and receiving controller 7, ether signal transmitting and receiving controller 7 is connected with RJ45 interface 8, also join at RJ45 interface 8 with redundant DC power supply 9, redundant DC power supply 9 is joined with DC/DC electric pressure converter 10, DC/DC electric pressure converter 10 respectively with latch 1, program storage 2, data storage 3, A/D converter 4 is connected with microprocessor 6.After sampled signal is admitted to A/D converter 4 during work, this signal is delivered to microprocessor 6 through A/D converter 4, the signal of handling through microprocessor 6 sends ethernet signal transceiver controller 7 to, by ethernet signal transceiver controller 7 signal is passed through 1/2 of RJ45 interface 8,3/6 pin is delivered to other ethernet devices, interrupt signal and chip selection signal when programmable logic array circuit 5 is used to transmit signal transmitting and receiving between microprocessor 6 and the ethernet signal transceiver controller 7,4/5 of RJ45 interface 8, the two-phase that 7/8 pin is used to come automatic network is the input pin of DC power supply independently, this two-phase independent current source is connected with power supply redundancy input circuit 9 earlier, be connected with DC/DC electric pressure converter 10, its output is used to provide the transmitter dc supply again.
In Fig. 2, redundant DC power supply 9 is made up of an OR-gate (M1) and diode D1, the two-way independent DC power supply (positive pole) of 5,7 pins of the input of OR-gate and RJ45 interface 8 joins, OR-gate output is with diode D1's, anode links to each other, the negative electrode of diode D1 links to each other with the positive pole of DC/DC electric pressure converter 10, and 4,8 pins of RJ45 interface 8 are connected to DC/DC electric pressure converter 10 negative poles altogether.DC/DC electric pressure converter 10 can adopt commercially available integrated package (as ZS1R5 2405), and it is converted to the 5V direct current with the 24V direct current, so that working power to be provided.After the two-way independent current source that redundant 9 pairs of DC power supply have identical input voltage value carried out the logical "or" processing, redundant each other, like this, wherein arbitrary road DC power supply breaks down, and was unaffected to the power supply of transmitter, thereby plays the effect of redundant power supply.Wherein, diode circuit can play and prevent the false wiring function of (as anti-reverse).
In Fig. 4, microprocessor 6 adopts the P51XA-G3 integrated package, the data of this integrated package and address wire are joined with latch 1 program storage 2, data storage 3 and ethernet signal transceiver controller 7 respectively, the high address line of P51XA-G3 integrated package and pin 14, pin 10 pin 35 and programmable logic array circuit 5 (adopting the GAL16V8 integrated package) input and pin 12, pin 15, pin 18 join, and sheet choosing, pin 11, the pin 13 finished ethernet signal transceiver controller 7 connect reset signal.
A/D converter 4 adopts AD7715 integrated package and peripheral circuit thereof to constitute, and the pin 7 of AD7715 integrated package, pin 8 are the input of analog quantity, and pin 13, pin 14 are the output of digital quantity, and pin 9, pin 10 connect reference voltage, finish the conversion of analog quantity and digital quantity.
Ethernet transceiver controller 7 is by UM9008 integrated package, coil circuit integrated package LANF7236, E
2PROM integrated package 93C46 and peripheral cell constitute, the UM9008 integrated package respectively with coil circuit integrated package LANF7236, E
2PROM integrated package 93C46, programmable logic array circuit 5 are connected, and programmable logic array circuit 5 adopts the GAL16V8 integrated package, and the pin 12 of coil circuit integrated package LANF7236, pin 10, pin 9, pin 7 are connected to 1,2,3,6 pin of RJ45 interface 8 respectively.Ethernet transceiver controller 7 mainly is the transmitting-receiving control of finishing ethernet signal, and the signal that CPU is handled is sent to other Ethernet external equipment, or gives CPU with the signal that other ethernet device sends and handle.
Claims (3)
1, a kind ofly can realize ethernet communication and by the transmitter of redundent power supply of network, comprise latch (1), program storage (2), data storage (3), A/D converter (4), programmable logic array circuit (5), microprocessor (6) and RJ45 interface (8), programmable logic array circuit (5) joins with microprocessor (6) and ether signal transmitting and receiving controller (7), it is characterized in that microprocessor (6) is connected with ether signal transmitting and receiving controller (7), ether signal transmitting and receiving controller (7) is connected with RJ45 interface (8), also join at RJ45 interface (8) with redundant DC power supply (9), redundant DC power supply (9) is joined with DC/DC electric pressure converter (10), DC/DC electric pressure converter (10) respectively with latch (1), program storage (2), data storage (3), A/D converter (4) is connected with microprocessor (6).
2, according to claim 1ly can realize ethernet communication and, it is characterized in that described ether signal transmitting and receiving controller (7) is by UM9008 integrated package, coil circuit integrated package LANF7236, E by the transmitter of redundent power supply of network
2PROM integrated package 93C46 and peripheral cell constitute, the UM9008 integrated package respectively with coil circuit integrated package LANF7236, E
2PROM integrated package 93C46, programmable logic array circuit (5) are connected, and coil circuit integrated package LANF7236 and RJ45 interface (8) join.
3, according to claim 1ly can realize ethernet communication and by the transmitter of redundent power supply of network, it is characterized in that described redundant DC power supply (9) is made up of an OR-gate (MI) and diode D1, the input of OR-gate and RJ45 interface (8) join, OR-gate output links to each other with the anode of diode D1, and the positive pole of the negative electrode of diode D1 and DC/DC electric pressure converter (10) joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB01132306XA CN1184774C (en) | 2001-11-22 | 2001-11-22 | Transducer able to implement Ethernet communication and with redundent power supply provided by network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB01132306XA CN1184774C (en) | 2001-11-22 | 2001-11-22 | Transducer able to implement Ethernet communication and with redundent power supply provided by network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1364013A CN1364013A (en) | 2002-08-14 |
| CN1184774C true CN1184774C (en) | 2005-01-12 |
Family
ID=4671342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01132306XA Expired - Lifetime CN1184774C (en) | 2001-11-22 | 2001-11-22 | Transducer able to implement Ethernet communication and with redundent power supply provided by network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1184774C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7660345B2 (en) | 2004-06-18 | 2010-02-09 | Aboundi, Inc. | Transceiver apparatus and method having ethernet-over-power and power-over-ethernet capability |
| CN1313944C (en) * | 2004-11-03 | 2007-05-02 | 上海大学 | Intelligent transmitter device with embedded DeviceNet field bus interface |
| CN100367724C (en) * | 2005-05-25 | 2008-02-06 | 杭州华三通信技术有限公司 | Switch test device and switch test equipment |
-
2001
- 2001-11-22 CN CNB01132306XA patent/CN1184774C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1364013A (en) | 2002-08-14 |
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Effective date of registration: 20190516 Address after: 310053 No. 309 Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Co-patentee after: Zhejiang University Patentee after: Zhongkong Technology Co., Ltd., Zhejiang Address before: 310012, 71 building, Huaxing science and technology building, No. 447, Xihu District, Hangzhou, Zhejiang, Wensanlu Road Patentee before: Zhongkong Technology Co., Ltd., Zhejiang |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20050112 |
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| CX01 | Expiry of patent term |