NPM PPCI7443, Руководство пользователя

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Operation Theorem
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51
4.1.8 The Relationship between Velocity and Acceleration
Time.
The maximum velocity parameter of a motion function has a minimum value
of the acceleration time eventually. It means that there has a range in
acceleration time over one velocity value. Sometimes, users want to get a
smaller acceleration time under these relationships. If they want to do so,
they must higher the maximum velocity value to match their smaller
acceleration time’s requirement. We provide one function for doing that:
_7443_fix_speed_range(). This function can raise the maximum velocity
value which will get a smaller acceleration time. But it won’t affect the actual
velocity you want. For example: You want to have 1ms acceleration time
from velocity 0 to velocity 5000(pps) but the setting can’t match this
specification. You can use this function with a higher velocity setting before
the motion function. The program will like this:
_ 7443_fix_speed_range(AxisNo,OverVelocity);
_7443_start_tr_move(AxisNo,5000,0,5000,0.001,0.001);
How to decide a optimized value of the “OverVelocity” in the
_7443_fix_speed_range() function? We provide a function for calculating it.
_7443_verify_speed(). The input value of this function is motion command’s
start velocity, maximum velocity and over velocity. The output value will be
the minimum and maximum value of the acceleration time. For example:
You want to see the original acceleration range of this command.
_ 7443_start_tr_move(AxisNo,5000,0,5000,0.001,0.001).
MiniT
1
MiniT
2
MiniT
3
MiniT
4
MaxV
1
MaxV
2
MaxV
3
MaxV
4
Velocity