LED Color Status Description
DP O Electronics power supply outside the permissible tolerance range, NX is
not ready to run.
Green Continuous light CU_LINK is ready for communication and cyclic communication is running.
Flashing light 0.5 Hz CU_LINK is ready for communication and no cyclic communication is run‐
ning.
Red Continuous light At least one CU_LINK fault is present.
CU_LINK not ready for operation (e.g. after switching on)
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.
Connectable components
9.1 NX10.3 / NX15.3
NCU 7x0.3B PN
90 Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1
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