Connectable components
9.1 NX10.3 / NX15.3
NCU 7x0.3 PN
84 Manual, 09/2011, 6FC5397-1EP40-0BA0
LED displays
Table 9- 1 Description of LEDs on the NX10.3 / 15.3
LED Color Status Description
Off Electronic power supply outside permissible tolerance range
Continuous light NX is ready for operation
Green
Flashing light 2 Hz Writing to CompactFlash Card
Continuous light NX is presently booting and at least one fault is present (e.g. RESET,
watchdog monitoring, basic system fault).
Red
Flashing light 0.5 Hz Boot error (e.g. firmware cannot be loaded into the RAM)
Continuous light Firmware loading into RAM
Flashing light 0.5 Hz Unable to load firmware into RAM
RDY
Orange
Flashing light 2 Hz Firmware CRC fault
Off Electronics power supply outside the permissible tolerance range, NX
is not ready to run.
Continuous light CU_LINK is ready for communication and cyclic communication is
running.
Green
Flashing light 0.5 Hz CU_LINK is ready for communication and no cyclic communication is
running.
DP
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.
NOTICE
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.
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