4.2 Illustration
The following diagram shows an NCU with its interfaces, operating control and display elements
(fault and status displays).
1 - Spacer
2 - Option slot (covered)
3 X126 PROFIBUS DP interface
4 - Type plate 1
5 - Type plate 2
6 - 7-segment display
7 - Reset button
8 - NCK commissioning switch (rotary switch)
X7 Service socket (display port socket)
9 - Functional ground
10 - Diagnostics button
11 X55 Slot for an SD card
12 - PLC mode selector switch (toggle switch)
13 X127 PN/IE Ethernet interface
14 - LED displays
15 X135 USB interface
16 X125 USB interface
17 X120
X130
2 Ethernet interfaces
18 X150 P1 R
X150 P2 R
X160 P1
3 PROFINET IO interfaces
19 X124 Power supply
20 X122
X132
X142
Digital inputs and outputs
21 X100 - X105 6 DRIVE-CLiQ interfaces
Representation of the NCU
Note
Interface X7 is only designed for service purposes, and cannot be used to connect a display.
Description
4.2 Illustration
NCU 1750
30 Equipment Manual, 01/2022, A5E45627807B AE
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