6AV21542MB018AA0,WINCC UNIFIED PC RT 2.5K V18
6AV21542MB018BA0,WINCC UNIFIED PC RT 2.5K V18 ASI
6AV21542MB318AB0,UNIFIED PC RT 2.5K UG V16..V17->
6AV21543DB018AA0,WINCC UNIFIED PC RT 150 V18
6AV21543DB018BA0,WINCC UNIFIED PC RT 150 V18 ASIA
6AV21543DB318AA0,UNIFIED PC RT 150 UG V16..V17->V
6AV21550XS018LA0,WINCC UNIFIED V18 PC RT MAXIMUM
6AV21551EB016AA0,WINCC UNIFIED V16 PC RT 500. PAC
