Greeatings , i dont use umi , i Have 3 vfds , and samba can only with 2 ,
Dip switch are 1 2 3 4 are on and the 5 6 OFF
I get cable form unitronics two wire one blue and it is on pin 1 and bluewhite it is pin 6 ,
1 pin +Rs485 on VFD
6pin -RS485 on VFD
have you any other solution