Service functions and error messages
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11
Service functions and error messages
11.1
Protection and service functions
11.1.1
Overview
The item servo positioning controller C 1-Series has a powerful sensor analysis, which monitors the proper functioning of the
controller, power output stage, motor and communication with the outside world. All occurring errors are stored in an internal
error memory. Most errors will cause the controller unit to shut down the servo positioning controller and the power output
stage. They can only be switched on again after the error memory has been deleted by acknowledging the error and after the
error has been eliminated or no longer exists.
A powerful sensor analysis and monitoring function provides operational safety:
Measuring of motor temperature
Measuring of power module temperature
Detection of ground faults (PE)
Detection of connections between two motor phases
Detection of overvoltage in the DC bus
Detection of errors with the internal voltage supply
Failure of the supply voltage.
If the 24 V DC supply voltage fails, approx. 20 ms remain to save parameters and shut down the controller properly for
example.
11.1.2
Overcurrent and short-circuit monitoring
The overcurrent and short-circuit monitoring detects short-circuits between two motor phases as well as short-circuits at the
motor output terminals against the positive and negative reference potential of the DC bus and against PE. If the error
monitoring detects an overcurrent, the power output stage will be shut down immediately to guarantee the ability to withstand
short-circuits.
