Energizing The Drive - ABB ACS5000 User Manual

10.6.2.2. De-energizing the drive
1. To disconnect the drive from the main power supply, press the SUPPLY OFF
pushbutton. The following takes place:
2. Main circuit breaker (MCB) opens
3. DC link discharges
While the DC link discharges, the CDP control panel shows the following:
1 L -> 600.0 rpm
StateINU OffSeqOn
MOTOR SP 0.00 rpm
POWER 0.0 kW
When the DC link has discharged completely, the status line displays ReadyOn
and the SUPPLY OFF pushbutton changes to a permanent light.
1 L -> 600.0 rpm
StateINU ReadyOn
MOTOR SP 0.00 rpm
POWER 0.0 kW
4. Rack-out, lock-out, ground and tag-out the main circuit breaker.
5. Wait until the yellow lamp GROUNDING SWITCH UNLOCKED lights up.
Because cooling of the drive continues for a preset time after switching off the
main power supply, the yellow lamp lights up with a delay.
If the lamp does not light up and there is a reason to believe that the grounding
circuit is malfunctioning.
For more information, "10.4 Removing the CDP control panel" on page 160.
6. Once the yellow lamp GROUNDING SWITCH UNLOCKED is lit, turn the
grounding switch to the grounded position.
7. When the grounding switch is in the grounded position, the status line
alternates between DCGnd NOpen, NotReadyOn, StateINU NotRdy.
1 L -> 600.0 rpm
StateINU DCGndNopen
MOTOR SP 0.00 rpm
POWER 0.0 kW
PRODUCT
ACS5000W
Alternating display message:
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Alternating display message:
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DOCUMENT KIND
User manual
PREVENTIVE AND CORRECTIVE MAINTENANCE
OffSeqOn
Discharging
AuxiliaryOn
DCGnd Nopen
NotReadyOn
DOCUMENT ID.
3BHS799208 E01
REV. LANG. PAGE
F en 166/178