Siemens SIMATIC KP8 Operating Instructions Manual page 79

Calculating response time
Information about the response times of the IO controller can be found in the manual of the
IO controller used.
The "S7 Distributed Safety" add-on package contains an Excel file "s7fcotia.xls" for
calculating maximum response times. You can find the current version of this table on the
Internet at the following address:
"Support Request (http://support.automation.siemens.com/WW/view/en/16605654)", Entry -
ID 19138505
Detailed information for the calculation of the response time of the F-system can be found in
the "Safety Technology in SIMATIC S7" system manual
(http://support.automation.siemens.com/WW/view/en/12490443)".
KP8, KP8F
Operating Instructions, 10/2010, A5E03284305-01
Operating KP8F in a fail-safe manner
7.5 Response times of the PROFIsafe devices
79