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IRADK10
Cycle control description
Drive Status Feedback
The “DRIVE STATUS” display is the field where the GUI in-
dicates what caused the drive to shut down protecting the
power module. The micro controller will shut down the sys-
tem if one of the following faults occurs:
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Short Circuit : is shown when a short circuit is ap-
plied from phase to phase at the output connec-
tions.
Over Voltage : is shown when the DC bus voltage
exceeds 400V. Note The bus voltage can climb
to a shut down condition if the deceleration set-
ting is set too high.
Under voltage : When the input AC voltage at the
rectifier is insufficient to provide a bus voltage of
100VDC, the system shuts down and cannot start
the motor.
Figure 6. GUI control panel screen
As stated above, the “GO CYCLE” command button of the
GUI tool will bring you to the next form, wherein the drive
cycle control may be adjusted, programmed, started and
stopped.
Observe 4 time intervals (t1, t2, t3, t4) and the frames where
their duration may be adjusted by editing the number writ-
ten in the appropriate fields. When adjusting these num-
bers, make sure you enter an integer number of seconds
not exceeding 30.
For the time intervals t1 and t3, the assumed speed refer-
ence is zero. Intervals t2 and t4 will have non-zero speeds.
Their speeds W2 and W4, expressed in [Hz] may be ad-
justed by editing the fields indicated by W2 [Hz] and W4
[Hz] labels.
You must enter an integer number between 0 and 100. for
both intervals, the direction of rotation is adjusted by writing
into the CW/CCW fields.
When a CW string is found in above fields (default), the CW
direction of the motor shaft is commanded. Otherwise, for
whatever string other than CW, the drive assumes a CCW
direction. The cycle begins by pressing the “RUN” button.
Whenever the user wants to stop the cycle, the STOP but-
ton has to be pressed. The “STOP” button will decelerate
the motor. During deceleration a “WAIT!!!” message will
appear across the form, and the GUI will revert to the previ-
ous frame once the speed reaches zero. While the cycle is
running, the user may observe the DC-link current and the
heat sink temperature.
www.irf.com
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I2T : This is the IGBT SOA protection. If the output
power exceeds 400W for over 2 minutes, the
power inverter will shut down preventing the power
module from over-heating.
Heat sink over temperature : If the heat sink tem-
perature rises more than “Heatsink temperature”
set by the user, the system will shut down.
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