Transducer able to implement Ethernet communication and with redundent power supply provided by network

A technology of Ethernet and transmitter, applied in the field of electrical communication, can solve the problems of increasing cable and wiring costs, inconvenient wiring and network maintenance, affecting system security and reliability, etc.

Inactive Publication Date: 2002-08-14
ZHEJIANG SUPCON TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the Ethernet connection method cannot transmit both the Ethernet communication signal and the DC power supply for the transmitter through the same cable, that is, the so-called "bus power supply", which brings inconvenience to wiring and n

Method used

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  • Transducer able to implement Ethernet communication and with redundent power supply provided by network
  • Transducer able to implement Ethernet communication and with redundent power supply provided by network
  • Transducer able to implement Ethernet communication and with redundent power supply provided by network

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Example Embodiment

[0008] Such as figure 1 As shown, it includes a latch 1, a program memory 2, a data memory 3, an A / D converter 4, a programmable logic array circuit 5, a microprocessor 6 and an RJ45 interface 8. It is characterized by the microprocessor 6 and the Ethernet The network signal transceiver controller 7 is connected, and the Ethernet signal transceiver controller 7 is connected with the PJ45 interface. The RJ45 interface 8 is also connected to the redundant DC power supply 9, which is connected to the DC / DC voltage converter 10, and the DC / DC voltage converter 10 is respectively connected to the latch 1, the program memory 2, and the data memory 3. The A / D converter 4 and the microprocessor 6 are connected. After the sampling signal is sent to the A / D converter 4 during operation, the signal is sent to the microprocessor 6 through the A / D converter 4, and the signal processed by the microprocessor 6 is sent to the Ethernet signal transceiver controller 7. The Ethernet signal transcei...

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PUM

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Abstract

The invention belongs to communication technique especially relates to transducer suitable for Ethernet communication. The transducer includes flip-latch, program storage, data storage, A/D converter, circuit of programmable logic array, microprocessor and RJ45 interface. The characteristics of the invention are as follows: the microprocessor is connected to the controller of receiving and transmitting Ethernet signal that is connected to the RJ45 interface; the RJ45 interface is also connected to redundant DC power source that is connected to DC/DC voltage converter; the DC/DC voltage converter is connected to flip-latch, program storage, data storage, A/D converter and microprocessor respectively; the transducer converts signal sampled by sensor into engineering workload that can be transferred through Ethernet to other Ethernet devices according TCP (UDP)/IP protocol; morecover the redundant DC power transferred on cable can be acted as working power supply. The invention possesses features of reasonable wiring, safe and reliable operation.

Description

technical field [0001] The invention belongs to the technical field of electrical communication, in particular to a transmitter capable of realizing Ethernet communication and powered by redundant network. Background technique [0002] In the background technology, the transmitter can usually only convert the sampled sensor signal into a digital signal, and after intelligent processing, transmit it to other automation equipment through an analog signal or a digital signal (non-Ethernet signal). The transmitter mainly includes a latch, a program memory, a data memory, an A / D converter, a programmable logic array circuit, and a microprocessor, and the transmitter cannot be directly connected to an Ethernet network for use. However, the Ethernet connection method cannot transmit both the Ethernet communication signal and the DC power supply for the transmitter through the same cable, that is, the so-called "bus power supply", which brings inconvenience to w...

Claims

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Application Information

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IPC IPC(8): H04L12/10H04L12/28
Inventor 冯冬芹施一明赵联祥吴康明
Owner ZHEJIANG SUPCON TECH
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