ABB AC 900F学习笔记114：Freelance_Engineering_Process_Stations-20

5.1.5 Technical redundancy data

冗余技术数据

Failure detection

故障检测

　　　　Both redundancy partners (Primary and Secondary) monitor each other via the redundancy link. While the Secondary detects a failure of the Primary (redundancy toggle) within 40 ms, the Primary detects a failure of the Secondary within 500 ms.

　　　　两个冗余伙伴（主和备）通过冗余链路相互监视。当备控制器在40ms内检测到主控制器故障（冗余切换）时，主控制器在500ms内检测到备控制器故障。

Take-over

接管

　　　　In a typical application, the Secondary takes over from the Primary within approximately 1 second. With complex applications, high task cycle times, a large quantity of remote I/O modules, etc. a higher take-over time must be expected, due to the working principle.

　　　　在典型应用中，备控制器大约1秒内接管主控制器。对于复杂的应用，高任务周期，大量远程IO模块等等，基于其工作原理，需要较高的接管时间。