Grounding Switches; Locking Bars; Figure 3-22 Grounding Switch - ABB ACS5000 User Manual

3.9. Grounding switches

There is one grounding switch (Fig. 3-22: 1) on each primary PCU.
Turning a grounding switch to the grounded position (horizontal) is only possible
once the yellow lamp (Fig. 3-22: 2) lights up. The yellow lamp indicates that the
main power supply is disconnected and the DC link has discharged.

Figure 3-22 Grounding switch

1) Grounding switch:
Horizontal position - drive is grounded
Vertical position - drive is not grounded.
2) Yellow lamp (grounding switch released): Lights up to indicate that you can turn the
grounding switch to the grounded or ungrounded position.
For a detailed grounding diagram, see "Appendix D - Wiring diagrams".

3.9.1. Locking bars

There is one locking bar (Fig. 3-23: 3) on each primary and each secondary PCU.
Sliding a locking bar to the unlocked or locked position is only possible, once the
white lamp (Fig. 3-23: 2) lights up. The white lamp indicates that the drive is
grounded.
In addition, sliding a locking bar to the locked position is only possible, once all
doors of a PCU (2 doors in 1700 mm PCUs, 3 doors in 2100 mm PCUs) are closed.
PRODUCT
ACS5000W
1
2
DOCUMENT KIND
User manual
POWER ELECTRONICS AND CABINET FEATURES
DOCUMENT ID.
3BHS799208 E01
REV. LANG. PAGE
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