DEK高级培训资料 - 第68页
STEPPER Stepper motor • Require s step / direc tion • No positi onal feed back • Issue 2: July 2007 • Front Squeeg ee • Rear Sque egee • Rail Width • Xf, Xr , Y act uators
CanOpen Stepper
•
Stepper motor with CAN
bus interface
•
Issue 2: July 2007
•
Paste Dispenser (shown)
•
RTC moving rail home
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)