Functions
8.6 Isochrone mode
ET 200M
170 Operating Instructions, 04/2022, EWA-4NEB7806006-09
2. Settings on the DP master system:
"Object properties" of the DP master > tab "General" > button "Properties" > tab
"Parameters" > button "Properties" > tab "network settings" > button "Options"
– Enabling equidistance on the DP master system
– Set the length of the equidistant DP cycle (max. 32 ms)
– Set "Times Ti and To same for all slaves" (causes a synchronization of the input / output
data for the various DP slaves)
– The times Ti and To can be set separately.
Recommendation: Adopt the standard settings for Ti and To.
Figure 8-22 Options dialog box
Note
With the button "Recalculation" you can calculate with
STEP 7 a value for the
equidistant DP cycle, which takes into account the current PROFIBUS DP.
This value is then automatically entered in the fields "E
quidistant DP cycle", "Time Ti