
8.MULTI-PATH CONTROL B-63943EN-1/02
- 926 -
4. During synchronous control or composite control, an alarm
occurs.
(1) A move command is issued for a synchronous slave axis.
(Alarm (PS0351))
-> No move command can be issued for a synchronous
slave axis, whether it be automatic or manual.
(2) A move command is issued for an axis under composite
control for which parameter MUMx (No. 8162#7) is set to
"1". (Alarm (PS0353))
-> During composite control, no move command can be
issued for an axis for which parameter MUMx (No.
8162#7) is set to "1", whether it be automatic or
manual.
(3) During synchronous control, an automatic reference
position return command with G28 is issued for a parking
master axis. (Alarm (PS0354))
-> In this case, a reference position return is performed on
the slave axis, requiring that the reference position of
the slave axis be established.
(4) During composite control, an automatic reference position
return command with G28 is issued. (Alarm (PS0359))
-> In this case, a reference position return is performed on
the remote interchanging axis, requiring that the
reference position of the interchanging axis be
established.
(5) During synchronous control, a three-dimensional coordinate
conversion is specified. (Alarm (PS0367))
-> For the synchronous master axis to be specified in
three-dimensional coordinate conversion mode, set
parameter PKUx (No.8162#2) to "1".
5. During synchronous control, servo alarm (SV0407) occurs.
(1) The difference between the synchronous master and slave
axes in positional deviation is too large.
-> Servo alarm (SV0407) will occur in a synchronous
error check. In general, this alarm occurs if the
difference between the synchronous master and slave
axes in acceleration/deceleration time constant or servo
parameter is large. It can also occur if the actual
movement of the machine is not correct (is not
correctly synchronized) due to some cause or other.
6. During synchronous control, the machine position deviates.
(1) The synchronous master and slave axes in
acceleration/deceleration time constant or servo parameter
(such as loop gain) differs.
-> In this synchronous control, acceleration/deceleration
control and servo control are performed in the master
and slave independently of each other. (That is,
move commands are synchronized.) For this reason,
if the master and slave differ in acceleration/
deceleration time constant and servo characteristics,