Siemens SINUMERIK 840D sl Equipment Manual page 90

Connectable components
9.1 NX10.3 / NX15.3
LED Color
DP Off
Green
Red
RESET button
The RESET button is on the front of the module under the cover.
Note
When the pushbutton is actuated, the locally connected drive systems are brought to a standstill
with no feedback to the control. In other words, the drive and controller run asynchronously
once the drive has successfully booted up.
90
Status
Continuous light
Flashing light 0.5 Hz
Continuous light
Description
Electronics power supply outside the permissible tolerance range, NX is
not ready to run.
CU_LINK is ready for communication and cyclic communication is running.
CU_LINK is ready for communication and no cyclic communication is run‐
ning.
At least one CU_LINK fault is present.
CU_LINK not ready for operation (e.g. after switching on)
Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1
NCU 7x0.3B PN