Led Indicators In Redundant Mode (Run, Err, And Rdl) - ABB Foundation LD 810HSE Ex Quick Installation Manual

LED Indicators in Redundant Mode (RUN, ERR, and RDL)

The redundancy link LED is used to indicate if traffic via the serial line is per-
formed. It will flash green if a valid message is received. It will switch to red
if serial communication is lost and it will be off if no serial response has been
received after startup.
LEDs
PWR RUN
ERR RDL
PWR RUN
ERR RDL
Meaning
Start-up phase (approx.7 seconds)
During this phase, the redundancy role is determined.
Non redundant device, ready
The device is operational; it is not part of a redundant set.
The primary device is set to redundant mode.
The device is operational, acting as primary device in a
redundant set. The secondary device is ready.
2PAA118721 | Quick Installation Guide LD 810HSE Ex 25