LSIS XGT Series - Page 438

Chapter 8 Motion Control Function
8-47
Using offset may change the start position for cam operation, causing an abrupt operation. In such a case,
MasterSyncPosition, MasterStartDistance should be used.
(b) At MasterScaling and SlaveScaling, set the scale rate of the cam data to apply. MasterScaling determines the scale
rate of the main-axis data, and SlaveScaling determines the scale rate of the sub-axis data. Please refer to the figure
below.
(c) MasterSyncPosition input specifies the position of the main axis within the table where the synchronization of actual cam
operation is completed, and MasterStartDistance input specifies the relative position of the main axis where the
synchronization starts. If unable to start synchronized operation at Cycle 1 as shown below (if the distance from the start
position to the synchronized operation start position is shorter than MasterStartDistance), synchronized operation starts at
Cycle 2.
Main axis
Position
Serve axis
Position
MasterOffset
Serve axis
Position
SlaveOffset
Before
applying
After
applying
Main axis
Position
Before
applying
After
applying
Main, Serve axis
starting point
Main, Serve axis
starting point
SlaveScaling = 1.0
SlaveScaling = 2.0
MasterScaling = 1.0 MasterScaling = 2.0
After applying
SlaveScaling
After applying
MasterScaling