罗克韦尔AB变频器部分型号；20BC011A0AYNACA0 20BC011A0AYNACC0 20BC011A0AYNACC1 20BC011A0AYNACD1 20BC011A0AYNADA0 20BC011A0AYNADB0 20BC011A0AYNADC0 20BC011A0AYNADC1 20BC011A0AYNADD1 20BC011A0AYNAEC1 20BC011A0AYNANA0 20BC011A0AYNANC0 20BC011A0AYNANC0NNAD 20BC011A0AYNANC0NNBA 20BC011A0AYNANC1 20BC011A