Connecting; Overview - Siemens SINUMERIK 840D sl Manual

Connecting

7.1

Overview

Connection options
The NCU has a series of interfaces via which the power supply and the remaining system
components are connected. The front cover of the NCU must be open to make the connections.
● The various SINAMICS components are connected with the NCU via DRIVE-CLiQ.
● Actuators and sensors can be connected to the digital inputs/outputs.
● The NCUs have the following communication options:
The following overview shows an example of the various interfaces and their connection
options.
NCU 7x0.3 PN, NCU 7x0.3B PN
Manual, 06/2014, 6FC5397-1EP40-5BA1
– PROFIBUS DP, MPI, Ethernet
– PROFINET
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