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Full Version: Major difference between series A & B of a 1756-L63
Forums.MrPLC.com > PLCs and Supporting Devices > Allen Bradley
hertz2bu
Hello,

I've tried looking up this information, but all I found is that each take a different battery.
Does it have something to do with what series chassis it can plug it into?

Thank-you
Eddie Willers
The important differences are the battery and the location of the CompactFlash slot. The new battery is coupled with an onboard flash memory chip to provide much longer battery-sustained user program backup.

The /A and /B controllers run identical firmware with identical performance.
hertz2bu
Appreciate you taking the time to share your knowledge.
Thanks
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