Siemens RF180C Operating Instructions Manual page 22

Connecting
4.1 Wiring connection block M12, 7/8"
Figure 4-4
NOTICE
Ensuring the degree of protection
Always close all unused sockets using M12 or 7/8" sealing caps in order to ensure degree
of protection IP65, IP66 or IP67. For order numbers, refer to the section "Ordering data
(Page 63)".
22
Connecting M12, 7/8" connectors
Operating Instructions, 12/2012, J31069-D0177-U001-A6-7618
RF180C communication module