Second Advance Pulse Ab; Third Advance Pulse Ab - IBM System/32 Introduction And Maintenance Manual

Second Advance Pulse AB
As the triggers continue to advance, the rotor
turns in nine degree increments.
ATT
TR A
ON
TR B
ON
Third Advance Pulse
A
B
A
A
Clockwise rotation continues as long as the
triggers continue to advance in this sequence.
TR
A
OFF
ON
OFF
DR ... A _ _ _ -..
r---~ I
ON
TR B
I
I
ON
I
OFF
I
Stepper Motor
Stepper Motors 8-3