Siemens SIMATIC MV550 S Operating Instructions Manual page 72

Mounting
5.4 Mounting attachments for built-in ring lights
Change ring light attachment
You can easily change the attachments by installing or removing them from the ring light.
When installing, make sure that the ring light and ring light attachment are aligned with each
other.
Figure 5-6
72
Changing a ring light attachment
Operating Instructions, 05/2019, C79000-G8976-C494-02
SIMATIC MV500