Does CI840 firmware supports ABB Drives on Profibus
DI825, DI830, DI831, DI885, AI880A, DI880, DO880 and ABB Drives. i am using the AC900F Redundant controllers
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No - ABB Drives on Profibus do not use a CI840, they connect directly to the Profibus as a stand alone device with their own Profibus communication module ( depending on the drive type)
The CI840 is only for S800 I/O clusters.
ABB Drives can also use ModuleBus ( via an HCS optical fibre connection)- which is connected to a CI801 or CI830. The CI801 or CI830 then converts ModuleBus to Profibus. The drive connection is programmed as a "Standard Drive". ( I am not sure if this is supported in AC900F)
There are of course several other communication modules available for ABB Drives