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8. TANDEM DRIVE
8.7 Tandem drive axis software limit
Software limits become valid after completing home position return (home position return request (ZREQ) is
off). Software limits are checked for both the master axis and the slave axis. In this case, the software limit
boundaries for the master axis become valid.
The following shows an example where the software limit is reached during JOG operation when the
synchronization setting (parameter No.0265) is set to invalid and there is a deviation between the master axis
and slave axis at servo-on.
off). Software limits are checked for both the master axis and the slave axis. In this case, the software limit
boundaries for the master axis become valid.
The following shows an example where the software limit is reached during JOG operation when the
synchronization setting (parameter No.0265) is set to invalid and there is a deviation between the master axis
and slave axis at servo-on.
Deviation at servo-on
Master axis
Slave axis
Software limit
Start operation position
Operation alarm
occurrence
(Operation alarm A2)
occurrence
(Operation alarm A2)
For other types of software limit occurrences, normal axis movement is followed.
(Refer to Section 6.9)
8.8 Tandem drive interference check
(Refer to Section 6.9)
8.8 Tandem drive interference check
Interference check is performed both for the master axis and slave axis. The parameter value of interference
check width for the master axis becomes valid.
check width for the master axis becomes valid.
Deviation between the master
axis and the slave axis
axis and the slave axis
Master axis
Slave axis
Interference
check width
check width
Axis
Operation alarm
occurrence
(Operation alarm 45)
occurrence
(Operation alarm 45)
Interference check axis
Deceleration amount
for the axis
for the axis