Logic group address supporting method and logic group address supporting system for DMX512 landscape lighting management and control

Abstract

The invention discloses a logic group address supporting method and a logic group address supporting system for DMX512 landscape lighting management and control. The system comprises an upper layer Internet management network and a plurality of lower layer DMX512 control networks; the management network and the control networks exchange information through an Internet/DMX512 gateway which serves as a node of the Internet management network to be connected with a PC manager and serves as a primary controller of the DMX512 control networks at the same time; each DMX512 control network consists of one primary controller and a plurality of secondary controllers, and operating parameters corresponding to logic group address and primary controller logic group addresses are set off line on the basis of the physical addresses of the secondary controllers; and when operating, the DMX512 control networks adopt the logic group address to realize complex functions such as landscape lighting. The system and the method have the advantages that: DMX512 control networks support the logic group address and are downward compatible with physical address addressed standard DMX512 products, and the logic group address can reliably realize the landscape lighting and other complex functions with high efficiency; and the control networks can operate independently and integrally by using the management network, and the intrinsic drawback of limited DMX512 control channels is overcome.

Description

technical field [0001] The invention relates to the technical field of DMX512-based landscape lighting control, in particular to a DMX512 landscape lighting control system and method supporting logical group addresses. Background technique [0002] DMX512 is a digital multiplexing protocol formulated by the United States Institute of Theater Technology (USITT). Its original intention is to achieve the compatibility of equipment controllers on the stage, theaters, and studios, especially lighting equipment controllers. Although DMX512 has not yet been included in the international standard, due to its simplicity, high efficiency and practicality, it has been widely supported by manufacturers and users around the world, and it is a de facto international standard. Although the lighting control system based on the TCP / IP protocol has made great progress, DMX512 is still the most widely used protocol in the field of lighting control for stages, theaters, and studios. doubtful. ...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the two major defects of limited control channels of the existing DMX512 landscape lighting system and poor bandwidth utilization when realizing complex functions such as scene lighting, and to provide a DMX512 landscape lighting management and control system and method supporting logical group addresses

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