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ABB industri

Specialities

ManufacturerABB Industri
Product titleTriguard SC300E
Strength1.   Large applications with max fifteen chassis up to 9500 I/O.
Weakness1.   No module for hazardous areas (Ex)i available.
2.   Availability: Failures 3 times more with the same complexity.
3.   MTTF of Triconex modules approximately 8 times higher as of a comparable HIMA module.
4.   External secondary shut down way for safety related outputs required, additional wiring.
5.   Every fault activates the time limitation (3-2-0, in redundant operation).
6.   Heating problems of the system.
7.   Quality problems of the system.
8.   The triplicated channels are susceptible to common cause faults, because they are linked together for voting, or all 3 input and output channels reside on the same module.
   Bigger extent on space with small and medium projects (high basic work, I/O subrack 9 units high).
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