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. Generate
the diagnostic data wit the Diag button and so contact the Hotline.
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
4.4.3
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)
01
Before starting the Master Boot Record (MBR) code
02
Master Boot Record (MBR) code started
03
Second stage of the boot loader started, before reading the configuration file
Description
4.4 Operator control and display elements
NCU 1740
Equipment Manual, 10/2021, A5E51087503B AA
37
Содержание SINUMERIK ONE NCU 1740
Страница 48: ...Dimension drawings 6 1 NCU 1740 dimension drawing NCU 1740 48 Equipment Manual 10 2021 A5E51087503B AA ...
Страница 52: ...Installation 7 4 Mounting the NCU without spacers NCU 1740 52 Equipment Manual 10 2021 A5E51087503B AA ...
Страница 96: ...Technical data 11 3 Recycling and disposal NCU 1740 96 Equipment Manual 10 2021 A5E51087503B AA ...
Страница 156: ...Connectable components 12 3 PP 72 48D PN 2 2A PN NCU 1740 156 Equipment Manual 10 2021 A5E51087503B AA ...
Страница 160: ...Safety symbols NCU 1740 160 Equipment Manual 10 2021 A5E51087503B AA ...