SAT RM3141-01-02模块备件

SAT RM3141-01-02

如果安装了一元模块，它将成为
默认情况下为活动模块。如果已经定义了辅助模块
在系统内。INI文件，并且不存在主模块
辅助模块位置是的，辅助模块将
默认情况下成为活动模块。如果二次模块是
安装时不存在主模块和辅助模块
位置不（如在SmartSlot配置中），则不
该模块对的模块将变为活动。
•为了使模块成为活动模块，TMR处理器
将验证模块是否为正确的I/O模块类型，以及两者是否相同
模块拆卸开关闭合。此时，输入/输出模块已关闭
配置并终置于激活状态。
•处于激活状态的模块不得拆除。
•当激活模块发生故障时，TMR处理器将被关闭
见多识广的一旦意识到故障，TMR处理器将：
尝试主动/备用切换。
•主/备用转换从TMR处理器检查开始
查看是否安装了备用I/O模块。如果未安装备用I/O模块
可用时，TMR处理器将继续使用活动模块
并将继续检查可用的备用I/O模块。一次
如果找到备用模块，TMR处理器将验证I/O
模块类型正确，两个模块拆卸开关均正确
并且I/O模块是正确的模块对的一部分
使用SmartSlot链接。此时，TMR处理器将：
使用相同配置配置备用I/O模块
信息作为当前活动的I/O模块，并放置备用模块
I/O模块进入待机状态。然后将有源模块置于
测试证明
在主动和被动之间转换
和备用模块
第6章故障查找和维护
38罗克韦尔自动化出版物ICSTT-RM271Q-EN-P-2021 8月
维护状态（暂停现场循环测试）和任何模块
传输特定转换数据。指示灯闪烁
在主/备用切换发生前呈琥珀色，表示：
动态转换数据（COD）的传输。前一待机状态
然后，模块变为活动模块和原始模块
它变为备用。如果当前激活的模块没有成功
完成自检后，TMR处理器将其恢复到备用状态
并且处于保持状态的模块将恢复到激活状态
状态
•当激活模块上的两个模块拆卸开关均打开时，
无论模块故障状态如何，TMR处理器都会将其视为
执行主/备用切换的请求。
在正常情况下，只有在以下情况下才会发生主/备用切换：
新的主动模块无故障。在某些情况下
能够强制切换到已知故障模块。这可以是
通过打开当前激活模块上的模块拆卸开关来完成
并按下TMR处理器上的重置按钮。这将
即使新的激活模块没有故障，也要强制进行转换
自由的

SAT RM3141-01-02

SAT RM3141-01-02
rimary module is installed, it will become the Active Module by default. If the secondary module has been defined within the System.INI file and no primary module is present, and if the secondary module location is unique, the secondary module will become the Active Module by default. If the secondary module is installed with no primary module present, and the secondary module location is not unique (as in a SmartSlot configuration), then NO Module for that Module pair will become Active. • In order for a Module to become the Active Module, the TMR Processor will verify that the Module is the correct I/O Module type and that both module removal switches are closed. At this point, the I/O Module is configured and eventually placed in the Active state. • A module in the Active state should never be removed. • When a fault occurs on the Active Module, the TMR Processor will be informed. Once it becomes aware of the fault, the TMR Processor will attempt an Active/Standby changeover. • An Active/Standby changeover starts with the TMR Processor checking to see if a Standby I/O Module is installed. If no Standby I/O Module is available, the TMR Processor will continue to use the Active Module and will continue to check for an available Standby I/O Module. Once a Standby Module is found, the TMR Processor will verify that the I/O Module is of the correct type, that both module removal switches are closed, and that the I/O Module is a part of the correct module pair by using the SmartSlot link. At this point, the TMR Processor will configure the Standby I/O Module with the same configuration information as the currently Active I/O Module and place the Standby I/O Module into the Standby state. The Active Module is then placed in Proof of testing Transfer between Active and Standby Modules Chapter 6 Fault finding and maintenance 38 Rockwell Automation Publication ICSTT-RM271Q-EN-P - August 2021 the Maintain state (which suspends field loop testing), and any module specific changeover data is transferred. The Educated light flashes amber before the Active/Standby changeover takes place, to indicate transfer of dynamic change over data (COD). The previous Standby Module then becomes the Active Module and the original Module becomes Standby. If the currently Active Module does not successfully complete the self-tests, the TMR Processor will revert it to the Standby state, and the Module in the Maintain state will revert to the Active state. • When both module removal switches are opened on an Active Module, regardless of the module fault status, the TMR Processor will treat it as a request to perform an Active/Standby changeover. Under normal conditions, an Active/Standby changeover will only occur if the new Active Module is fault free. Under some circumstances, it is desirable to be able to force a changeover to a known faulted module. This can be accomplished by opening the module removal switches on the currently Active Module and pressing the reset push button on the TMR Processor. This will force the changeover to proceed even if the new Active Module is not fault free.