Sample Program 3: Phase Control With An Electronic Shaft; Program Outline - YASKAWA MP2100 Series User Manual

3 System Startup

3.4.1 Program Outline

3.4 Sample Program 3: Phase Control with an Electronic Shaft

3.4.1 Program Outline
The same operation for the No. 1 and No. 2 rolls connected to the line shaft is performed using a Servomotor.
Phase synchronization, however, has not been used.
Controller
Phase sync device
• The H06.01 drawing (ladder program) controls the operation.
• The two axes rotate synchronously according to the entered speed settings.
• The following gear ratio is set in this example.
Axis 1 (No. 1 roll): Axis 2 (No. 2 roll) = 1:1
Refer to 3.4.3 Program Details for details on the sample program.
IMPORTANT
3-50
Old method
Line shaft drive motor
Driver
Motor
Working part
No.1
Parent Drawing
H Drawing
SEE
Name H06
END
High-speed scan
• This program is solely for the purpose of describing the MP2100 system startup. Care must be taken because
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.
Line shaft
Gear
Clutch
Differential gear
roll No.2 roll
Child Drawing
H06 Drawing
SEE
Name H06.01
END
New method
MP2100
SERVOPACK
Servo-
motor
Grandchild Drawing
H06.01 Drawing
Phase control
Electronic shaft
• Axis 1
• Axis 2
END