Which communication LEDs must be implemented (are mandatory) to achieve certification
Related FAQ page: Real-time Ethernet protocol status LEDs
PROFINET:
Signal LED must be available on the case. A red blinking LED must blink 3 time times in 3 seconds = 1 Hz if signaling is forced over DCP. On NXHX90 this is the COM0 LED.
Alternatively, the signalling can be realized over a display or other visual means instead of a LED. In these cases the user application is responible to control the signalling.
EthernetIP:
There are no LEDs mandatory, existing LEDs must be named as follows:
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