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Electric drive signal interface board

A signal interface and electric transmission technology, applied in the direction of electrical program control, instrument, computer control, etc., can solve the problems of short service life, no or incomplete indication of transmission status signal, no unified standard for line wiring, etc., to increase safety and reliability, extended service life, and long service life

Active Publication Date: 2009-04-29
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The disadvantage of this kind of electrical transmission signal board is that there is no uniform standard for line wiring (not easy to find faults), the contacts of relays K1 and K2 have short service life due to no damping absorption, no indication or incomplete indication of transmission status signals, lack of transmission faults and Emergency stop hardware control function

Method used

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  • Electric drive signal interface board
  • Electric drive signal interface board
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Embodiment Construction

[0026] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] figure 2 It is a structural block diagram of an electrical transmission signal interface board according to an embodiment of the present invention. Such as figure 2 As shown, the electrical transmission signal interface board 200 is connected between the PLC and the transmission electrical equipment, receives the PLC output signal, and also receives the control signal for the transmission electrical equipment, generates a driving signal and outputs it to the transmission electrical equipment, including:

[0028] The transmission fault control module 202 receives the main switch state signal and the thermal relay state signal, and outputs the signal to the PLC;

[0029] The transmission emergency stop control module 204 receives the emergency stop control signal and is also connected to the transmission fault control...

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Abstract

This invention discloses a kind of electric transmission signal interface board which is connected between the PLC and the electric equipment and receives the PLC output signal and the control signal for the electric equipment and generates the transmission signal then output to the transmission electric equipment, which concludes: the transmission fail control module receives the main switch state signal and thermal relay state signal and then output the signal to PLC; the drive tight stop control module receives the tight stop control signal and receives the drive fail control module output signal connected to the drive fail control module; the transmission drive control module receives the PLC output signal and generates the drive signal then output to the transmission electric equipment; the transmission fail summary module is connected to the transmission fail control module and receives the output signal of the transmission fail control module and then generates the fail signal.

Description

technical field [0001] The present invention relates to the control field of electric transmission equipment, more specifically, relates to an electric transmission signal interface board, the electric transmission signal interface board is connected between PLC (programmable logic controller, hereinafter referred to as PLC) and transmission electric equipment . Background technique [0002] The electrical transmission equipment control on the automated production line, such as the equipment and roller table control on the rolling mill production line, the electrical equipment control of the assembly line, etc. usually use PLC for logic control, between the PLC equipment and the controlled electrical transmission equipment , It is necessary to realize the isolation and amplification of strong and weak electrical signals between PLC and electrical transmission equipment, and the electrical integration combined power conversion module for various signal indications. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05G05B19/048
Inventor 盛倍明袁兴杰张跃丰
Owner BAOSHAN IRON & STEEL CO LTD
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