LED
Color
Status
Description
DP
Off
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 button is actuated, the locally connected drive systems are brought to a standstill
without feedback with the control. This means, the drive and control run asynchronously once
the drive has successfully ramped up.
Connectable components
12.1 NX10.3/NX15.3
NCU 1740
100
Equipment Manual, 10/2021, A5E51087503B AA