Siemens SIMATIC IM151-1 User Manual

Functions
3.1 Cycle synchronization
IM151-1 HIGH FEATURE interface module (6ES7151-1BA02-0AB0)
Manual, 03/2008, A5E01075975-02
23
2. DP master system settings:
DP master "Object properties" > "General" tab > "Properties" button > "Parameter" tab >
"Properties" button > "Network settings" tab > "Options" button
– Activate constant bus cycle time on the DP master system
– Set the length of the constant bus DP cycle (max. 32 ms)
– Set "Times Ti and To identical for all slaves" (effects a synchronization of the I/O data
of the various DP slaves)
– Times Ti and To can be set separately. Recommendation: Accept the standard
settings for Ti and To.
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Figure 3-2 Dialog box options
Note
With the "Calculate again" button you can calculate a value for the constant buy DP
cycle from STEP 7 that takes into account the current PROFIBUS DP configuration.
This value is then automatically entered in the "Equidistant DP cycle", "Time Ti (...),"
and "Time To (...)" boxes.

Siemens SIMATIC IM151-1 Specifications

General

Brand	Siemens
Model	SIMATIC IM151-1
Category	I/O Systems
Language	English