January 2012 6.17 Monitoring Functions 969
Limit values The limit values for the I
2
t value (dimension for the permissible temperature in
the device [%]) are handled by the NC side of the control and are composed
of the following:
Value exceeds 100%: An axis-specific I
2
t early warning is sent to the PLC
(for evaluation and possible countermeasures such as reduction of the feed
rate with error message by PLC program with the aid of PLC Module 9367).
If the value does not exceed 110% and falls below 90%, the axis-specific
early warning is reset.
110%: An NC stop is triggered and the drives are switched off.
Motor overload with I
2
t monitoring
In the oscilloscope you can display the current value of the I
2
t monitoring
of the motor and power module, as well as the current load of the drive.
To Next Page
Loading...
