1794-OF4I
1794-OF4I
1794-OF4I
在软冗余系统进行工作时，主、备控制系统（处理器，通讯、I/O）***运行，由主系统的PLC掌握对冗余部分ET200M从站中的I/O控制权，主、备系统通过软冗余专用程序进行数据同步。PLC程序由非冗余（non-duplicated）用户程序段和冗余（redundant backup）用户程序段组成，主系统PLC执行全部的用户程序，备用系统PLC通过判断冗余状态跳过冗余程序，只执行非冗余用户程序。当主系统中的组件发生故障，备用系统会自动切换为主系统，执行冗余程序，控制任务不会出现中断。
1.如果A站写Q0.0为1，B站在冗余程序FB 101‘SWR_ZYK’外(不被跳过)，写Q0.0为0，实际输出为啥?
B系统冗余程序不被跳过，只有在A系统组件发生故障时，备用系统会自动切换为主系统，执行冗余程序，如果A系统正常，则B系统PLC通过判断冗余状态跳过冗余程序。
所以，实际输出为0。
2.如果A站写Q0.5为1，B站在冗余程序FB 101‘SWR_ZYK’外(不被跳过)，写Q0.5为0，实际输出为啥？
B系统冗余程序不被跳过，只有在A系统组件发生故障时，备用系统会自动切换为主系统，执行冗余程序，如果A系统正常，则B系统PLC通过判断冗余状态跳过冗余程序。
所以，实际输出为0。
备货，备货，降降降，火火火，火火火……
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公司名称：厦门泰尼电气有限公司
联系人：小黄（销售代表）
联系电话：0592-6809319
传真号码：0592-6890859（麻烦备注01006收）
手机：18950191386
***号码:2917675397
邮箱：2917675397@***.com
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