290 HEIDENHAIN Technical Manual iTNC 530 HSCI
Meanings of the LEDs on the PROFINET data interface:
LED Status Meaning
LINK green On Connection established
Off No connection
RX/TX yellow Blinking Communication active
Off No communication
SYS green On Controller running
SYS yellow On Controller waiting for software
SYS yellow Off Controller defective or not correctly
connected
For more information about PROFINET on HEIDENHAIN controls, refer to
the documentation about the IOconfig software for PCs.
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