Siemens SINAMICS S120 Function Manual page 699

Properties
● No additional parameters need to be entered in addition to the bus configuration in order
● The master-side default setting is made via the hardware configuration, e.g. HW Config
● Fixed sampling times are used for all data communication.
● The Global Control (GC) clock information on PROFIBUS is sent before the beginning of
● The cycle length depends on the bus configuration. When the cycle is selected, the bus
● A sign-of-life counter is used to monitor user data transfer and clock pulse failures.
Drive functions
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
to activate this function, the master and slave must only be preset for this function
(PROFIBUS).
with SIMATIC S7. The slave-side default setting is made via the parameterization
telegram when the bus is ramping up.
each cycle.
configuration tool (e.g. HW Config) supports:
– Large number of drives per slave / drive unit → longer cycle
– Large number of slaves / drive units → longer cycle
10.1 Communication according to PROFIdrive
Communication
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