P3: Basic PLC Program for SINUMERIK 840D sl
13.4 Startup hardware configuration of the PLC-CPUs
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
851
Ethernet communication
In case of CP 840D the Ethernet address is assigned by default for the port X127. As such, the PLC can be
reached via this port from a STEP 7 project. If needed, the Ethernet address on the CP 840D can be changed to
the Ethernet address of the port X120 or X130. Then a cable connection to the PG of this port is also necessary.
Connection of central I/O-devices
The physical connection for a connection to an IM361 does not exist. No central I/O is possible.
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