PROFIBUS DP Communication
8.3 Creating a PROFIBUS configuration
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
245
Note
You are advised not to activate the option "Times Ti and To same for all slaves" in the
"Synchronization of the slaves" group.
The following parameters are now set for each type of DP slave on the "Clock
synchronization" tab :
●
Equidistant DP cycle T
DP
●
Master application cycle T
MAPC
●
Actual value acquisition Ti
●
Setpoint acceptance T
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Figure 8-9
Dialog: DP slave properties
DP cycle T
DP
The "DP cycle" of DP slave S120 must be set to the cycle time of the DP master displayed
under group box "Network settings in ms" > Isochronous DP cycle".
NOTICE
The following condition must be fulfilled for the DP cycle time TDP:
DP cycle = isochron. DP cycle