
3-8
3.2.8 If Acceleration Affects Pass Motion Path
The VS-D series robot automatically sets the square of speed divided by one
hundred for acceleration and deceleration when you set speed.
If you use a SPEED command, in the same manner as above, acceleration
and deceleration is set.
If the robot executes a pass motion by using the set automatic acceleration, its
motion path is always constant. Fig. 3-15 shows an example when the speed is
set to 60% and 80%.
CAUTION: When you set acceleration, be sure to check that there
is no danger of collision due to the change of pass
motion path.
Same pass motion path unde
the above two conditions
Fig. 3-15 Example of Automatic Acceleration Setting
If you set arbitrary acceleration, the motion path may change. Fig. 3-16 shows
an example of 60% speed with 100% acceleration and 10% deceleration.
Fig. 3-16 Example of Arbitrary Acceleration Setting
CAUTION: If you execute an instantaneous stop during
deceleration of the pass motion and restart the motion,
the robot moves to the position of the next step
command value. Therefore, exercise due care if speed,
acceleration, and deceleration are occurring.
Fig. 3-17 Restart the Motion After the Instantaneous Stop
Restart motion
after
instantaneous
stop
Instantaneous
stop position
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