Siemens ESM - Manual (Page 71)

Installation, Commissioning, Cleaning and Maintenance
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-10
67
Installation on a SIMATIC S7-300 Rail
1. First secure the two supplied brackets on both sides of the OSM/ESM.
2. Fit the guide on the top of the OSM casing into the S7 rail.
3. Secure the OSM/ESM with the supplied screws to the lower part of the rail.
Figure 29: Installation on the S7-300 Rail