Modifiable Signals For Axes And Spindles - Fagor CNC 8060 Installation Manual

I n s t a l l a t i o n m a n u a l .
6.9

Modifiable signals for axes and spindles.

When the spindle is working in closed loop (M19 or G63), it behaves like an axis.
The signal names are generic. Replace the word (axis) with the spindle name or with the
name or logic number of the axis. For example, the name of the LIMITPOS(axis) mark for
a machine with the X, Y, Z, Z2, B axes and spindle S.
LIMITPOSX, LIMITPOSZ2, LIMITPOSB, LIMITPOSS
LIMITPOS3 for the Z axis.
LIMITPOS5 for the B axis.
LIMITPOS(axis)
LIMITNEG(axis)
If the PLC sets this mark high (=1), the CNC interprets that the corresponding axis or spindle
has exceeded the positive (POS) or negative (NEG) travel limits.
It stops the axes and the spindle and displays the relevant error message.
To take the axis to the work zone, access the JOG mode and move the axis or spindle that
overran the travel limit. They can only be moved in the proper direction.
DECEL(axis)
This mark is used during home search. The PLC sets this mark high (=1) to indicate that the
home switch is pressed. The CNC decelerates the axis, it switches from the fast homing
feedrate indicated by (a.m.p.) REFFEED1, to the slow homing feedrate indicated by the
(a.m.p.) REFFEED2.
When searching home on axes that use distance-coded reference marks, the PLC sets this
mark to (=1) to indicate that the axis has reached the travel limit. In this case, it is necessary
to reverse the moving direction to go on with the home search.
INHIBIT(axis)
If the PLC sets this mark high (=1) the CNC inhibits any movement of the corresponding axis
or spindle. This movement will resume when the PLC sets this mark back low (=0). If the
axis or spindle is moving with other axes, all the axes will stop.
For independent axes and electronic cam, if the PLC sets this signal to (=1), it interrupts the
synchronization movement switching to zero speed. The system waits for the signal to
deactivate before resuming the execution and the movement from the interruption point.
For independent axes, this signal also stops the monitoring of the synchronization.
The screens of the automatic and jog modes show the status of this mark.
• For the spindles, the text "Sreal" appears in red when this mark is active for the spindle.
The status of the mark is not displayed if the screen does not show this text.
• For the axes, the name of the axis preceding the coordinate appears in red when this
mark is active for the axis.
AXISPOS(axis)
AXISNEG(axis)
The CNC uses these marks when operating in JOG mode.
If the PLC sets one of these marks high (=1), the CNC will move the relevant axis in the
indicated direction: positive (POS) or negative (NEG). The CNC will move the axis at the
corresponding feedrate and selected override (%).
The treatment of these marks is similar to the JOG keys of the operator panel.
6.
CNC 8060
CNC 8065
(R : 1709)
EF
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