Operation Check 4: Phase Control - Electronic Cam - YASKAWA MP2300 User Manual

4 System Startup and Sample Programs

4.4.5 Operation Check 4: Phase Control - Electronic Cam

4.4.5 Operation Check 4: Phase Control - Electronic Cam
( 1 ) Machine Outline
As shown in the following figure, the Servomotor performs the same operation as the mechanical cam synchronized to
a roller connected to the line shaft. No phase matching is used.
Controller
Phase matcher
( 2 ) Program Overview
Use the ladder program (H06.02 Drawing) to check the above operation.
The two axes rotate synchronized with the input speed setting. Axis 1 is the roll axis (Master axis) and axis 2 is the cam
axis (Slave axis, which moves in COS cam pattern against Master axis).
Cam pattern data is created using a ladder program (L06 Drawing).
 Refer to 4.4.5 ( 5 ) Sample Program Details on page 4-64 for details of H06.01 Drawing.
 A simple device is used in this example to describe the MP2300 system startup. Caution is required because actual
applications will be different.
 This device has no power OFF circuit for the SERVOPACK in the event of emergency stops or overtravel. Include a
proper emergency stop circuit in actual applications.
4-62
Existing Type
Line shaft drive motor
Driver
Motor
Operating section
Parent Drawing
H Drawing
SEE
Name H06
END
High-speed scan
Line shaft
Gea
Clutch
Differential
gear
Transmission
Cam
Child Drawings
H06 Drawing
SEE
Name H06.02
END
New Type
MP2300
SERVO-
PACK
Servo-
motor
Ball
screw
Grandchild Drawings
H06.02 Drawing
Phase control
Electronic shaft
• Axis 1
Electronic cam
• Axis 2
END