本文主要介绍了B&R 2005系统冗余结构的原理和功能,阐明了在现代工业控制的某些领域采用此项系统控制的优越性和可靠性。 Abstract: In this test, we improduced the principle and function about the redundant structure of B&R 2005 system mainly. And then the superiority and dependability of adoptting this system to control in some fields of modern industrial control was illustrated.