CNC Controller Specialist
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P a g e
Eg.3 : Drive PPR : 4000 & 1:4 ratio given of axis
Pulse/mm (scale) = Drive PPR * ratio = 4000 * (1/4) = 1000
2.
Backlash : Backlash compensation value cab be used to make up for small
deficiencies in the hardware used to drive an axis.
3.
Pos Soft Limit : The maximum positive soft limit for axis motion, when this
limit is exceeded the controller aborted the operation.
4.
Neg Soft Limit : The maximum negative soft limit for axis motion, when this
limit is exceeded the controller aborted the operation.
5.
Max Acc : Maximum acceleration for this axis is machine per unit second
squared.
6.
Max Spd : Maximum velocity for this axis in machine unit per second.for
better understanding refer the example
Eg.1 : Motor Max speed : 3000 RPM = 3000/60 = 50rps
Pitch : 20
Max spd (axis) = (3000/60) * 20 = 1000 rps
7.
Homing Spd : Initial homing velocity in machine per unit second. sign
denotes the direction of travel. A value ‘0’ means assume that the current
location is home position for the machine.
8.
Home Sense Spd : Homing velocity in machine unit per second to the home
switch latch position. sign denotes the direction of travel.
9.
Homing Sequence : This function is used to defined “Home All”
sequence.starts at 0 & no
number may be
skipped.if left out or set to -1 the joint will not be homed by
“Home All ” function.More than one axis can be homed at the same time.
Note : Above all settings are same for other three axes also
