7-Segment Display - Siemens SINUMERIK 840D sl Manual

Name Function
RUN PLC RUN
STOP PLC STOP
SU/PF PLC FORCE
SF PLC SF
DP BUS1 F
DP/MPI BUS2 F
PN PN Fault
SY/MT MAINT
OPT -
Important LED states
● If all the LEDs are flashing, the PLC must be reset via the mode selector (move switch to
● While the NCU is powering up, all LEDs briefly light up orange. You can carry out a detailed
Additional references
● You can find a detailed description of LED states during power-up in the "NCU Operating
● For information on drive faults and alarms, see also:
3.4.3

7-segment display

Displaying messages
The 7-segment display is located behind the blanking plate of the NCU. It serves as a status
display during startup and performs the following tasks:
● Output of test and diagnostic messages.
● Output of status messages during booting
NCU 7x0.3 PN, NCU 7x0.3B PN
Manual, 06/2014, 6FC5397-1EP40-5BA1
Status
Flashing orange (0.5 Hz)
Flashing orange (2 Hz)
Green
Flashing green/orange or red/
orange (1 Hz)
Green
Orange
Red
Red
Red
Red
Red
Orange
-
position "3" to reboot).
diagnosis using a PG/PC and the operating software.
System (IM7)" section of the Basesoftware and Operating Software Commissioning Manual.
SINAMICS S120/S150 List Manual (LH1)
3.4 Operator control and display elements
Meaning
Updating the firmware of the connected DRIVE-CLiQ
components
Firmware update is complete for components. Wait for
POWER ON for the components in question.
NC powered up and everything in cyclic mode
LED-supported recognition of connected DRIVE-CLiQ
component is activated: (p0124[0] = 1).
PLC ready to operate
PLC stopped
FORCE activated
PLC group error
PROFIBUS group error X126
PROFIBUS group error X136
PROFINET IO group error X150
● Synchronization status (SY): No function
● Maintenance status (MT) of the NCU:
Maintenance request pending
No function
Description
27