Connecting
8
8.1 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:
– PROFIBUS DP
– PROFINET
– Ethernet
The following overview shows an example of the various interfaces and their connection
options.
NCU 1740
Equipment Manual, 10/2021, A5E51087503B AA 53
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