Siemens S7 data logging capacity

Hi,

Is there a "rule of thumb" for Siemens logging capacity?

By this I mean, if you are logging:

1 x data tag
Floating point format
Once per second

Is there a general rule for how much data you would get on a 12Mb siemens MMC?

Cheers,

Found my answer.

Page 326 of this PDF (S7-1200 manual) if anyone needs it

http://support.automation.siemens.c...lib.csinfo&lang=en&objid=36932465&caller=view