3HAC4790-1 | ABB | Interface module

3HAC4790-1   Fieldbus Communications Interface



ABB   3HAC4790-1  !!!  ---mail to: sales3@amikon.cn  



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The CI840 Fieldbus Communication Interface (FCI) module is a configurable communication interface which performs operations such as signal processing, gathering of various supervision information, OSP handling and configuration of I/O modules. The FCI connects to a controller by way of the PROFIBUS-DPV1 fieldbus.


CI840 is designed for redundant applications. One CI840 works as a primary FCI and the other as a backup. Both FCIs supervises each other. If a fault occurs in the primary FCI, it results in an automatic switch over to the backup CI840.




ABB   3HAC4790-1

3HAC4790-1 | ABB |  Interface module 




         sales3@amikon.cn  




The FCI has one PROFIBUS-DPV1 interface and uses a PROFIBUS-DP cable with a total length of up to 1200 meters (1312 yards). Up to 32 stations can be configured 
on one segment. 





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