Two planes same flight controllers

I have two planes with same type flight controllers is there anything I have to do before I plug the other one in Qground control both are pixhawk4 one is fmu v5, the other fmu4 I think I didn’t find any info on the subject

@automike If they are sharing the same communication channel, you can define MAV_SYS_ID differently to distinguish the two vehicles

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THANK YOU JAEYOUNG-LIM for your response