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The file $MACHINE.DAT (continued)
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Maschinendaten 12.0400 en
Description:
In the machine data, $ASYNC_T1_FAST specifies the external axes for which the velocity
reduction in controller mode T1 can be canceled for ASYPTP motions.
Whether or not an ASYPTP motion is executed in T1 mode without velocity reduction, i.e.
at program velocity, depends on the axes involved in the motion. An axis is involved in the
motion if it is actually moved, i.e. it is part of the motion instruction and the start value and
end value are not identical.
This means:
G
If the corresponding bit is set in $ASYNC_T1_FAST for all the axes involved in the
ASYPTP motion, the motion is executed in T1 mode at program velocity.
G
If, for at least one of the axes involved in the ASYPTP motion, the corresponding bit
is not set in $ASYNC_T1_FAST, the motion is executed in T1 mode at reduced velocity.
Remarks:
G
Deactivation of the T1 velocity reduction may only be used for external axes of special
applications which are not safety--sensitive (e.g. electric motor--driven spot welding
gun).
G
The value can only be altered in the machine data; other assignments are not possible.
G
Bits may only be set for external axes that are actually present (configured via
$EX_AX_NUM in the machine data). If, however, no external axes are present
($EX_AX_NUM = 0), the value is not checked.
Example
Velocity reduction activated for all external axes:
INT $ASYNC_T1_FAST=’B0000’
Velocity reduction deactivated for E1:
INT $ASYNC_T1_FAST=’B0001’
