Siemens Simatic S7-400 - Manual (Page 198)

Digital Modules
4-76
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Time, Frequency
Internal preparation time
between backplane bus and
input of the output driver1)
Up to hardware release 03
•
independent of enable
diagnostics/diagnostic
interrupt/ substitute value max. 100 m s
Up to hardware release 04
•
without enable diagnostics/
diagnostic interrupt/
substitute value
•
with enable diagnostics/
diagnostic interrupt/
substitute value
max. 60 m s
max. 100 m s
1) The switching time of the output driver is added to the
overall runtime on the module (< 100 m s for
resistive load)