Siemens ET 200pro - Page 98

Connection
4.8 Connecting the IM 154-4 PN High Feature interface module with CM IM PN M12, 7/8"
ET 200pro distributed I/O system
98 Operating Instructions, 03/2013, A5E00335544-08
Connecting M12 and 7/8" cable connectors
1. Press the M12 and 7/8" cable connectors into the corresponding circular socket
connectors of the CM IM PN M12, 7/8" connection module. Ensure that the locking
mechanism between the connector and socket is properly applied.
2. Tighten the knurled screws of the connectors (torque = 1.5 Nm).
Figure 4-14 Connecting M12 and 7/8" cable connectors
NOTICE
Removing the 7/8" cable connector
It is not permissible to remove the 7/8" cable connectors while ET 200pro is in operation!
Always switch off the 1L+ electronics/encoder supply and the 2L+ load voltage supply
before you pull or plug the 7/8" cable connector.
Note
If you remove the M12 or 7/8" cable connector used for forwarding,
downstream modules
on PROFINET IO will fail or will no longer be supplied with power.
Covering unused sockets
Always close all unused sockets using M12 and 7/8" caps in order to achieve degree of
protection IP65, IP66 or IP67.