Automatic equipment identification and maintenance supported DMX512 (Digital Multiplex 512) landscape lighting control system and method

A DMX512, automatic identification technology, applied in lighting devices, transmission systems, energy-saving control technology, etc., can solve incompatibility and other problems

Inactive Publication Date: 2011-04-27
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, ACN and Art-Net protocols are not compatible with standard DMX512 products

Method used

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  • Automatic equipment identification and maintenance supported DMX512 (Digital Multiplex 512) landscape lighting control system and method
  • Automatic equipment identification and maintenance supported DMX512 (Digital Multiplex 512) landscape lighting control system and method
  • Automatic equipment identification and maintenance supported DMX512 (Digital Multiplex 512) landscape lighting control system and method

Examples

Experimental program
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Effect test

Embodiment Construction

[0061] Such as figure 1 As shown, the remote management and control center is connected to the DMX512 control network through TCP / IP. The DMX512 control network includes multiple DMX512 control branch networks. Each DMX512 control branch network includes a master controller module and multiple slave controller modules. The master controller module It is connected to the 1st to Nth slave controller modules through a full-duplex five-wire system. The master controller module includes a master controller, a master transceiver and a master XLR5 interface. The RXD and TXD pins of the master controller are respectively connected to the master transceiver The RO and DI pins of the main transceiver are connected to the 6th, 5th, 7th, and 8th pins of the main transceiver respectively connected to the 2nd, 3rd, 4th, and 5th pins of the main XLR5. The i-th slave module includes the i-th slave The i-th transceiver and the i-th XLR5 interface, the RXD and TXD pins of the i-th slave control...

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Abstract

The invention discloses an automatic equipment identification and maintenance supported DMX512 (Digital Multiplex 512) landscape lighting control system and method. The system consists of a remote control center and a DMX512 control network, wherein the DMX512 control network is downwards compatible with standard DMX512 products occupying the market dominant position; a corresponding slave controller reports equipment identification information when DMX512 equipment is networked for the first time, and a master controller automatically allocates a physical address to the equipment by a physical address allocation algorithm, thus manual operation is avoided; the slave controller prevents from reporting conflicts by adopting a carrier sense and binary exponential backoff algorithm; by virtue of an automatically created equipment list, the master controller detects the status of the equipment regularly, reports the status of the equipment in the DMX512 control network to the remote control center and automatically updates the equipment list; and operating personnel can also manually add new equipment and remove the original equipment as required or modify the physical address of the equipment.

Description

technical field [0001] The invention relates to the technical field of landscape lighting control based on DMX512, in particular to a DMX512 landscape lighting management and control system and method supporting automatic equipment identification and maintenance. Background technique [0002] DMX512 protocol is the data transmission standard for dimming and lighting consoles, and an international protocol for general signal control of digital equipment in the lighting industry. DMX512 protocol has been widely used in the field of stage, theater and studio lighting control because of its simplicity, reliability and flexibility. . The premise of DMX512 operation is to assign physical addresses to the controlled devices in the system. The traditional method of setting the physical addresses of devices is to configure address dial switches on each device or provide a dedicated matching address writer. When there are a large number of control channels, the first method of settin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B37/02H04L29/12
CPCY02B20/42Y02B20/40
Inventor 王慧芬黄忠叶星吴明光
Owner ZHEJIANG UNIV
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