Sample Program 4: Phase Control With An Electronic Cam; Program Outline - YASKAWA MP2100 Series User Manual

3.5 Sample Program 4: Phase Control with an Electronic Cam

3.5.1 Program Outline

The same operation for the mechanical cam synchronized to the roller connected to the line shaft will be per-
formed using a Servomotor. Phase synchronization, however, has not been used.
Controller
Driver
Phase sync device
Motor
• The H06.02 drawing (ladder program) controls the operation.
• The two axes rotate synchronously according to the entered speed settings.
• The following configuration is used in this example.
Axis 1: Roller axis = Master axis
Axis 2: Cam axis = Slave axis. Performs cosine cam pattern operation in reference to the master axis.
• Cam pattern data is generated by the L06 drawing (ladder program).
Refer to 3.5.3 Program Details for details on the sample program.
High-speed scan
• This program is solely for the purpose of describing the MP2100 system startup. Care must be taken because
IMPORTANT
actual applications will differ.
• This system for the program 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.
Old Method
Line shaft drive motor
Line shaft
Gear
Clutch
Differential gear
Working parts
Parent Drawing
H Drawing
SEE
Name H06
END
3.5 Sample Program 4: Phase Control with an Electronic Cam
Gearbox
Cam
Child Drawing
H06 Drawing
SEE
Name H06.02
END
New Method
MP2100
SERVOPACK
Servo-
motor
Ball screw
Grandchild Drawing
H06.02 Drawing
Phase control
Electronic shaft
• Axis 1
Electronic cam
• Axis 2
END
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