DEK高级培训资料.pdf - 第69页
Stepper Motor theory This is a bi-polar 2- phase stepper drive configuration as used in: •Squeegees •Actuators •Moving Ra il Issue 2: July 2007 Step and Direc tion signals into the Dual stepper dr ive card are converted …
STEPPER
Stepper motor
•
Requires step / direction
•
No positional feedback
•
Issue 2: July 2007
•
Front Squeegee
•
Rear Squeegee
•
Rail Width
•
Xf, Xr, Y actuators
Stepper Motor theory
This is a bi-polar 2- phase stepper
drive configuration as used in:
•Squeegees
•Actuators
•Moving Rail
Issue 2: July 2007
Step and Direction signals into the
Dual stepper drive card are
converted to switching signals for
the ‘H’ bridge circuits (Q1-Q8)
Stepper motor block diagram
MOTOR
_________
_________
X __
PSU __
__________
_________
Front
Squeegee
Issue 2: July 2007
Home
Strain
Gauge
X __
__________
_________
__________
_________
_________
Objective 10: Complete the diagram in your workbook