
B-63944EN/02 PROGRAMMING 20.AXIS CONTROL FUNCTIONS
- 603 -
• By using bit 2 (AZR) of parameter No. 8200, whether to make a
movement along the perpendicular axis by a movement made along
the angular axis when a manual reference position return operation
is performed along the angular axis can be chosen. When a
movement along the perpendicular axis is enabled (AZR = 1), a
reference position return operation along the perpendicular axis can
be performed by a movement made along the angular axis.
• By setting the normal axis/angular axis control invalid signal
NOZAGC to 1, angular axis control only for the angular axis can
be available. In this time the angular axis are converted to those
along the angular coordinate system without affecting commands
to normal axis.
Use this signal when operating each axis independently.
- Manual reference position return operation
A movement is made to the reference position (machine position) set
in parameter No. 1240. By using bit 2 (AZR) of parameter No. 8200,
whether to make a movement along the perpendicular axis when a
reference position return operation is performed along the angular axis
can be chosen.
- Automatic reference position return operation and floating reference position
return operation (G28, G30, G30.1)
A movement to the middle point along the angular axis affects a
movement along the perpendicular axis. A movement from the
middle point to the reference position along the angular axis does not
affect a movement along the perpendicular axis, regardless of whether
the perpendicular axis/angular axis control disable signal (NOZAGC)
is turned on or off. If manual reference position return operation is
not performed even once after the power is turned on, operation is
performed in the same sequence as for manual reference position
return operation. So, specify commands first for the angular axis
then for the perpendicular axis.
Example) When the Y-axis is an angular axis and the X-axis is a
perpendicular axis
(1) If the angular axis is first specified then the perpendicular
axis is specified, reference position return operation is
performed normally.
G28Y_;
G28X_;
(2) If the perpendicular axis is first specified then the angular
axis is specified, or if the perpendicular axis and the angular
axis are specified at the same time, alarm PS0372 is issued
when a movement is made along the perpendicular axis.
G28X_; or G28X_ Y_;
G28Y_;
- Reference position return operation of high-speed type
When a reference position is already established and a reference
position return operation of high-speed type is to be performed, the
reference position return operation need not be performed in the order
from the angular axis to the perpendicular axis.