3BHS799208 E01 REV E ACS5000 WATER-COOLED USER MANUAL 61/186
03 POWER ELECTRONICS AND CABINET FEATURES
Note: 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.
Figure 3-23 Locking bar and white lamp
(1) White lamp: Lights up to indicate that the drive is grounded and you can
slide the locking bar to the unlocked or locked position.
(2) Locking bar: Unlocks or locks the door handles of a PCU compartment.
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