M-Series Operator’s Manual 4/9/15
Label: The letter you want to use to identify the axis. The first three axes should normally be X, Y, and Z. If a fourth
axis is installed, it is usually named W or B. If you change a label, for example from X to A, the controller will then
accept G-codes for axis A instead of X.
If fewer than four axes are present, the unused entries should be labeled N. If an axis is manually operated (it has an
encoder but no motor), it should be labeled M.
For a manual Z-axis, the 3
rd
axis label should be set to @ symbol. This setting allows for two axes posting in Intercon.
* WARNING: Intercon does NOT post two axis programs if the 3
rd
axis is labeled M.
* NOTE: Tool length compensation (G43-G44) and canned drilling cycles (G73-G89) always affect the third axis,
regardless of its axis label. Tool diameter compensation (G41-G42) always affects the first and second axes,
regardless of their axis labels.
Motor revs/inch OR millimeters/motor rev: The number of revolutions of the motor that results in one inch of
movement (if the machine is set up in inches). OR the number of millimeters that the machine will move as a result of
one turn of the motor (if the machine is set up in millimeters).
Encoder counts/rev: The counts per revolution of the encoders on your servomotors.
Lash compensation: The uniform amount of backlash compensation to be applied along the whole length of the axis.
Backlash can be observed during axis direction reversals and is a normal occurrence due to looseness or wear of
moving parts in a machine. This parameter added to and works in conjunction with Screw Compensation (see below).
Consult your machine manual or M-Series Service Manual for instructions on measuring backlash. The Lash
Acceleration Coefficients, Parameters 208-215, can be used to change the speed that Lash Compensation is applied. A
Coefficient of zero will effectively disable Lash Compensation.
* NOTE: It is required that the machine be rehomed after changing Lash Compensation.
Limits: The PLC input numbers corresponding to any limit switches that you may have on your machine. Your
installer should provide this information. If no limit switch is installed, this field should be set to 0.
Home: The PLC input numbers of any Home Switches you may have. These are similar to the limit switches. If your
machine does not have home switches, this field should be set to the Limit Switch value. If no home or limit switch is
installed, this field should be set to 0. You may then use hard stops as homing points if you choose.
* NOTE: The Home Switch should never be physically located beyond the Limit Switch.
Direction reversed: Used to match the +/- reference of your machine to the control electronics. Toggle this value if
you actually move in the X minus direction (reverse) when you jog X+.
Screw Compensation*: This value indicates whether mapping ballscrew compensation is enabled. Screw
Compensation is similar to Lash Compensation (see above), but has differing compensations depending on the mapped
locations along the axis. Screw Compensation is added to and works in conjunction with Lash Compensation. For
more information, contact your dealer. It is recommended that you enable ballscrew error compensation at all times.
* NOTE: It is recommended that a rehoming of the machine be done after changing Screw Compensation.
F3 - Find Home Press F3-Find Home to move an axis to its plus or minus home switch.
F4 - Set
Home Press F4-Set Home to set Machine Home for an axis at its current position. This is usually
performed after Find Home. This operation should not be used to set the part zero position. To set the part
zero position, use the Part Setup screen.
F5 – M Comp This menu lets you edit the ballscrew compensation tables.
NOTICE
The ballscrew compensation tables should not be changed without contacting your
dealer. Corrupt or incorrect values could adversely affect the accuracy of the positioning
of your machine.
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