5-64
Application Manual CDA3000
5 Software functions
When the I
2
xt integrator starts up a warning message can be delivered at
a digital output. For this, the function selector of the digital output must be
set to the value WIT.
Short-circuit or ground fault
The hardware of the inverter module detects a short-circuit at the motor
output and shuts down the motor.
A ground fault is detected by measurement of all three phase currents
even when the power stage is deactivated. This means that increased
leakage currents can also be registered.
Short-circuits or ground faults are detected automatically by the hard-
ware.
Device Ixt device shutdown limit
CDA32.003 (O.375 kW)
to CDA34.032 (15 kW)
1.8 x device rated current
CDA34.045 (22 kW)
to CDA34.170 (90 kW)
1.5 x device rated current
Table 5.36 Ixt shutdown limits according to device size
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