CT481 3BSE005586R1 用于基本单元AC55 控制器 ABB

产品标题：CT481 3BSE005586R1 用于基本单元AC55控制器 ABB

型号：CT481 3BSE005586R1 用于基本单元AC55控制器  

品牌  ABB

质保：七天验收期，质保期一年
发货期：1-3个工作日

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产品详情资料
在以下情况下需要双重超时：
•由于切换，具有相应DSP的CDP必须无效=0。
•使用S800 I/O。由于切换，S800 I/O模块不得进入OSP状态。
在以下情况下启用双超时：
•定义了冗余CI522。在CI522 DB元素中定义这两个模块可以启用
双倍超时。
•单个CI522从具有冗余通信接口的控制器接收数据。
当CI522 DB元件上的EN_DTMO终端为
设置为1。
•FCI从属于Advant Controller 450，自动使用与
Advant Controller 450。
如果一个电台没有双重超时，接收周期时间可以加倍
与发送周期时间相比，CDP不会超时。
3.2通信接口功能
通电（或重启）后，通信接口只有在设置后才能运行
由电站运行。
在其运行之前，通信接口不会在
Advant Fieldbus 100。此外，它不能分担总线主控责任
无法参与活动扫描表的配置算法。
定义为总线管理员参与总线主控的通信接口
责任。由于公共汽车管理员监督公共汽车上的交通
如果当前主控失败，好是
如果可能，将通信接口定义为总线管理员。Double time out is needed when:
• CDPs with corresponding DSPs which must not get valid = 0, due to a switch over.
• S800 I/O is used. The S800 I/O Modules must not enter OSP state, due to a switch over.
The double time out is enabled when:
• redundant CI522s are defined. Defining both modules in the CI522 DB element enables
double time out.
• a single CI522 receives data from a controller with redundant communication interfaces.
The double time out is enabled when the EN_DTMO terminal on the CI522 DB element is
set to 1.
• FCIs subordinated an Advant Controller 450 use, automatically, the same CDP time out as
the superior Advant Controller 450.
If double time out is not available for a station the receiving cycle times can be doubled
compared to the sending cycle times and by this the CDP would not time out.
3.2 Communication Interface Functions
After power on (or restart), the communication interface can only become operational if it is set
operational by the station.
Until it is operational, the communication interface does not provide any transmissions on the
Advant Fieldbus 100 at all. Furthermore, it cannot share the bus master responsibilities, and it
can not participate in the configuration algorithms of the active scan table.
Communication interfaces defined as bus administrators participates in the bus master
responsibilities. As the bus administrators supervises the traffic on the bus and have the
possibility to take over the bus mastership if the current master falls out, it is preferable to
define communication interfaces as bus administrators, when it is possible. 

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