ABB ACS2000 AFE 2MVA, User Manual

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169 ACS2000 AFE 2MVA UM 3BHS355653 ZAB E01 REV. H
4. Check if the LED of digital output DO03 (I/O
module A3401) is lit.
If the LED is lit, the grounding switch is
released.
5. Check the discharging level of the DC link.
If the value of parameter 2.01 DC VOLTAGE is
below 50 V, the DC link is discharged.
If the DC link is discharged, the message
ReadyOn is displayed on the CDP control panel.
6. Verify that hazardous voltages from the motor
cannot be fed into the drive.
7. Carefully turn the grounding switch to the
grounded position if it has been verified:
- that hazardous voltages cannot be fed into
the drive from the main power supply or the
motor,
- that the DC link is discharged,
- that the grounding switch is released (DO07
is energized),
- that the drive status is ReadyOn.
If you cannot turn the grounding switch,
continue with
10.6.6 Unlocking doors of
medium voltage compartments .
8. Switch off and lockout all auxiliary voltages
from external sources.
9. Verify that the drive system is de-energized.
10. Ground the drive with a grounding set (option).
1 L -> 0.0 rpm
StateINU
ReadyOn
MOTOR SP 0.00 rpm
POWER
0.0 kW
—
References
—
10-9 Four-way grounding
set
—
10-9
Telescopic insulating pole
Enclosure ground clamp
Busbar ground clamps
1
2
3
3
3
3
2
1