Operation
9.1 Basic information
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
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9.1.3
Drive objects
A drive object is a self-contained software function with its own parameters and potentially its
own faults and alarms. Drive objects can be provided as standard (e.g. automatic speed
control), or can be added individually or in groups times (e.g. TM31).
Properties of a drive object:
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Separate parameter space
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Separate window in STARTER
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Separate fault/alarm system
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Separate PROFIdrive telegram for process data
Drive objects in the SINAMICS DC MASTER
Figure 9-4
Drive objects
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Automatic speed control (DC_CTRL)
Automatic speed control handles closed-loop control of the motor. The I/Os on the CUD
are evaluated within this drive object.
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Control Unit (CU_DC)
This drive object contains a variety of different system parameters.
●
Evaluation of optional Terminal Module
An independent drive object handles evaluation of each optional Terminal Module.