Communication
11.2 Communication via PROFIBUS DP
Drive functions
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
777
Example: telegram structure for cyclic data transmission
Task
The drive system comprises the following drive objects:
● Control Unit (CU_S)
● Active Infeed (A_INF)
● SERVO 1 (comprises a Single Motor Module and other components)
● SERVO 2 (comprises a Double Motor Module terminal X1 and other components)
● SERVO 3 (comprises a Double Motor Module terminal X2 and other components)
● Terminal Board 30 (TB30)
The process data is to be exchanged between the drive objects and the higher-level
automation system.
Telegrams to be used:
● Telegram 370 for Active Infeed
● Standard telegram 6 for SERVO
● User-defined for Terminal Board 30 for the three SERVO drives
Component and telegram structure
The predefined component structure results in the telegram structure shown in the following
diagram.
Figure 11-11 Component and telegram structure
You can check and change the sequence of the telegrams via p0978[0...24].
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