EDH0162En1040 – 06/99
2.22
MM4005
Local Mode
2.2.2.12
Scaling Speed
Scaling Speed is a hardware calibration parameter and is not intended to be
used by the operator. It represents the approximate velocity the motion
device will move if the maximum control voltage is sent to the driver (DC
motor case). In other words, it is the velocity for a saturated DAC. It is a
hardware calibration factor and the default value should not be modified.
For stepper motors it has a similar meaning but represents the stage veloci-
ty corresponding to the maximum acceptable motor speed.
If you need to set up a non-standard motion device that has no default para-
meters, after determining the correct value (motion control expertise is
required), press the
key to set the Scaling Speed. Use the numeric
keypad to enter the correct value. Press
to accept the new setting
and return to the previous menu.
Press the
key to advance to the next parameter.
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2.2.2.13
Maximum Speed
This is the maximum velocity allowed for a given motion device. No pro-
grammed velocities are allowed to exceed this value. It also represents the
default velocity if no other value has been set previously (by a remote com-
mand). It can be changed by the user but it should never exceed the default
value. Use the Speed Scaling parameter instead to temporarily reduce the
motion velocities.
If you are setting up a new motion device that has no default parameters
and have defined the Scaling Speed, press the
key to set the
Maximum speed. Use the numeric keypad to enter a value that is about 80%
of the Scaling Speed. Press
to accept the new setting and return to
the previous menu.
Press the
key to advance to the next parameter.
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DV
— Read desired velocity.
VA
— Set velocity.
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