The diagram shows the method of attaching the grounding spider. Secure the clamps for the
grounding spider to the ball heads
②
and
③
in the cabinet.
①
Schematic diagram of ball head
②
Ball head
③
Ball head
Figure 9-1
Schematic diagram for attaching the grounding spider
9.3
Opening the device
The drive is equipped with a door interlocking system. Depending on the design, this is an
electromechanical door interlocking system or optionally a safety locking system.
The power unit doors can only be opened under the following conditions:
● The DC link current is zero.
● The firing pulses are disabled.
● Voltages at the input and output sides are below a minimum value.
● The circuit breakers are open.
Maintenance
9.3 Opening the device
SINAMICS GL150 6SL38503UM114PA0Z
106
Operating Instructions Rev.201910301420 MUSTER
Summary of Contents for 6SL38503UM114PA0Z
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