Siemens SINAMICS PERFECT HARMONY GH180 Operating Instructions Manual page 85

Perform the steps in the order as indicated below:
1. To ensure statuses as described are in place, read the
chapter of this manual prior to opening the doors of the VFD,
2. Apply Green/Yellow insulated ground cables from L1/L2/L3 and T1/T2/T3 to protective
earth, P.E. Refer to the section of the manual entitled "
Recommendations " that can be found in the chapter entitled " Electrical Connections " . Be
sure to obey all local codes strictly for grounding.
3. Perform maintenance as required.
4. Remove the grounding device
Grounding the system via Earthing Stud
If using the Earthing Stud Grounding Option (N94), use a three-pole grounding harness for
fixed ball points to ground the system.
Note
Ordering a grounding harness
To order the grounding harness, contact the Siemens Service Center.
Note
Number of grounding harnesses
Depending on the configuration of the drive, use a sufficient number of grounding harnesses.
A grounding harness is needed for each three-phase system.
Perform the steps as indicated below:
Refer to the diagram
Figure 10-3
1. Secure the terminal of the grounding harness to the lower fixed sphere.
2. Secure the terminals of the grounding harness to the upper fixed spheres.
Air Cooled 6SR5
Operating Instructions, 07/2018, A5E42736645A_AB
Attaching the Grounding Spider .
Attaching the grounding spider
10.6 Remove and Replace
VFD Power Down and Door Access
Grounding, Cabling, and Shielding
②
①
Maintenance
83