thx for ur answer and correction A Connected to ic lm297 pin A , B connected to ic lm297 pin B , C connected to ic lm297 pin C , D connected to ic lm297 pin D
that driver works fine with button but when i try using super plc , supply clock ic lm297 using pulse and supply cw/ccw using direction from super plc (and remove ne555) , it works only forward movement, when i give negative pulse its didnt move backward. okay i will check it
then make it a-d and b-c?
thx a lot for ur answer