hi guys, i need help i have a automation direct hmi and vfd and i have a ab ML1200 i have wrote a program to run the vfd and to use a the hmi to control the speed of the drive, but i have a problem with the speed ie if i have the speed set on 999 on the hmi it is 27.8hz on the vfd if i set the hmi on 1000 the vfd goes up to 56.9hz there is no control. i have used a scp instruction but i dont know much about setting them up can someone help.
thanks all the best
stu
thanks all the best
stu