Siemens SINUMERIK 840D sl Equipment Manual

Connecting
7
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:
– PROFIBUS DP, MPI, Ethernet
– PROFINET
The following overview shows an example of the various interfaces and their connection
options.
NCU 7x0.3B PN
Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1 45

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based