Opening The Device - Siemens SINAMICS PERFECT HARMONY GH150 Operating Instructions & Installation Instructions

Maintenance

9.3 Opening the device

Attaching the grounding spider
①
②
Figure 9-1
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 doors for the Control Module can be opened for monitoring purposes during operation.
Danger to life although the door interlocking has been released
Even when the door interlocking is released, high voltages can still be present at the auxiliary
circuits (fans, anti-condensation heating, closed-loop control, etc.). Touching live components
can result in death or serious injury.
● Ensure that work is only carried out by qualified personnel.
● The five safety rules must be observed.
The doors cannot be opened until the following conditions are fulfilled:
● The converter is ready to switch on, or in the "switching on inhibited" state, no ON command
● The circuit breaker is open (feedback signal, "circuit-breaker OPEN").
106
Upper fixed spheres
Lower fixed sphere
Schematic diagram: Attaching the grounding spider
WARNING
is active.
SINAMICS PERFECT HARMONY GH150 6SL38253AE412AA1-Z
Operating Instructions Rev.201910281231 EXAMPLE