Name
Function
Status
Meaning
DIAG
Diagnostics
LED lights up green
Everything OK.
LED lights up yellow
Software-related fault is pending, e.g. at PLC, HMI, Linux. Gener‐
ate the diagnostic data wit the Diag button and so contact the Hot‐
line.
LED flashes yellow
(0.5 Hz)
The data backup operation initiated with the Diag button is running.
LED lights up red
HW-related tests fail, e.g. memory test during switch on.
If no change occurs after multiple switch off/on, replace the device.
SD Activity
LED
(directly on
the card slot)
LED off
No SD card inserted.
LED flashes yellow
Active access to SD card
Important LED states
● If all the LEDs are flashing, the PLC must be reset (general reset) via the mode selector
switch (ramp-up with the switch in the "MRES" position).
● While the NCU is ramping up, all LEDs briefly light up orange. You can carry out a detailed
diagnosis using a PG/PC and the operating software.
Additional information
You can find more information about the drive faults and alarms here:
● List manual (LH1) SINAMICS S120/S150
3.4.3
7-segment display
Displaying messages
It serves to output status information during commissioning, ramp-up and cyclical operation.
The display is visible only for opened service cover.
Load BIOS
7-segment display
Meaning
00
Before loading the Master Boot Record (MBR) from the internal SSD
01
Before starting the Master Boot Record (MBR) codes
02
Master Boot Record (MBR) code started
Description
3.4 Operator control and display elements
NCU 1760
Equipment Manual, 02/2020, A5E45627861B AB
31
Содержание SINUMERIK ONE NCU 1760
Страница 8: ...Table of contents NCU 1760 8 Equipment Manual 02 2020 A5E45627861B AB ...
Страница 36: ...Description 3 5 Dual fan module NCU 1760 36 Equipment Manual 02 2020 A5E45627861B AB ...
Страница 44: ...Dimension drawings 5 1 NCU 1760 dimension drawing NCU 1760 44 Equipment Manual 02 2020 A5E45627861B AB ...
Страница 48: ...Installation 6 4 Mounting the NCU without spacers NCU 1760 48 Equipment Manual 02 2020 A5E45627861B AB ...
Страница 150: ...Connectable components 11 3 PP 72 48D PN 2 2A PN NCU 1760 150 Equipment Manual 02 2020 A5E45627861B AB ...
Страница 154: ...Spare parts accessories 12 2 SD card NCU 1760 154 Equipment Manual 02 2020 A5E45627861B AB ...
Страница 156: ...Safety symbols NCU 1760 156 Equipment Manual 02 2020 A5E45627861B AB ...
Страница 160: ...Appendix A 2 Documentation overview SINUMERIK ONE NCU 1760 160 Equipment Manual 02 2020 A5E45627861B AB ...