1756-L61 vs 1756-L63

curlyandshemp · Nov 26, 2010

Other than 6 Meg of more Ram and $4000 difference in price. Is there any performance enhancements using an L63 over an L61?

I can't find any sort of performance spec on scan times, or instruction processing for the various L6X series PACs.

Alan Case · Nov 26, 2010

I havent seen it anywhere but I do vaguely remember being told at some Rockwell event that the L61-63 processors are identical in performance.
The L64-65 processors are slightly slower as the memory map is larger and it takes longer to "find" the data.

Regards Alan Case

Mark Buskell · Nov 26, 2010

Not at work now but it seems like there is also a difference in the number of CIP connections.
Oops, ignore that. That comes from the ethernet module. Too much turkey has got me confused.

Contr_Conn · Nov 26, 2010

L61-L63 have exactly same performance, just different memory size.
L64-L65 as mentioned above are slowly.
All above have the same 250 connections

If you need performance then look at L73-L75 processors that cost about the same as L6x of the same memory but much faster and have 500 connections

curlyandshemp · Nov 30, 2010

Contr_Conn said:
L61-L63 have exactly same performance, just different memory size.
L64-L65 as mentioned above are slowly.
All above have the same 250 connections

If you need performance then look at L73-L75 processors that cost about the same as L6x of the same memory but much faster and have 500 connections

Yikes!
Now I find out after waiting 3 months on delivery of this card.

1756-L61 vs 1756-L63

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