Siemens SINUMERIK ONE NCU 1750 Equipment Manual page 4

Table of contents
5 Application planning ........................................................................................................................... 43
5.1 Supplementary electrical conditions................................................................................... 43
5.1.1 Grounding concept ............................................................................................................ 43
5.1.2 RI suppression measures .................................................................................................... 44
5.1.3 EMC limit values in South Korea ......................................................................................... 45
5.1.4 EMF assessments for 24 V components .............................................................................. 45
5.2 Climatic and mechanical environmental conditions ............................................................ 45
5.2.1 Shipping and storage conditions ........................................................................................ 45
5.2.2 Operating conditions ......................................................................................................... 46
6 Dimension drawings ............................................................................................................................ 49
6.1 NCU 1750 dimension drawing............................................................................................ 49
7 Installation........................................................................................................................................... 51
7.1 Safety instructions ............................................................................................................. 51
7.2 Designs ............................................................................................................................. 52
7.3 Fix the NCU using spacers .................................................................................................. 53
7.4 Mounting the NCU without spacers .................................................................................... 53
8 Connecting .......................................................................................................................................... 55
8.1 Overview ........................................................................................................................... 55
8.2 Communication services and used port numbers................................................................ 57
8.3 Safety information for wiring ............................................................................................. 60
8.4 Opening the front cover ..................................................................................................... 60
8.5 Power supply ..................................................................................................................... 62
8.5.1 Application ........................................................................................................................ 62
8.5.2 Requirements for the power supply .................................................................................... 66
8.6 DRIVE-CLiQ components .................................................................................................... 67
8.6.1 Application ........................................................................................................................ 67
8.6.2 Connectable DRIVE-CLiQ components ................................................................................ 69
8.7 Use of Ethernet interfaces .................................................................................................. 70
8.8 PROFINET........................................................................................................................... 73
8.9 PROFIBUS DP...................................................................................................................... 75
8.9.1 Application ........................................................................................................................ 75
8.9.2 PROFIBUS cables and connectors ........................................................................................ 76
8.9.3 Connection components in PROFIBUS................................................................................. 77
8.9.4 Rules for the laying of PROFIBUS cables .............................................................................. 78
8.9.5 Connecting PROFIBUS DP ................................................................................................... 79
8.9.6 Disconnecting stations from the PROFIBUS ......................................................................... 79
8.10 Digital inputs/outputs......................................................................................................... 80
8.10.1 DIO application .................................................................................................................. 80
8.10.2 Block diagram .................................................................................................................... 85
8.10.3 Connecting digital inputs/outputs ...................................................................................... 86
8.10.4 Technical data.................................................................................................................... 88
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Equipment Manual, 01/2022, A5E45627807B AE
NCU 1750