4 - 31
4 POSITIONING DEDICATED SIGNALS
4.1.4 Virtual servomotor axis command signals
(1) Stop command (M4800+20n) ................................Command signal
(a) This command stops a starting axis from an external source and becomes
effective at leading edge of signal. (An axis for which the stop command is
turning on cannot be started.)
Stop command
(M4800+20n)
Setting speed
OFF
ON
V
Stop command for
specified axis
Control during stop
command OFF
Deceleration stop processing
Stop
t
(b) It can also be used as the stop command during the speed control. (Refer to
Section "6.13 Speed Control (I)" of the "Q173D(S)CPU/Q172D(S)CPU
Motion controller (SV13/SV22) Programming Manual (REAL MODE)" for
details of the speed control.
(c) Stop processing details when the stop command turned on is shown in
Table 4.1.
Table 4.1 Stop Processing at Stop command ON
Processing at the turning stop command on Control details
during execution
During control During deceleration stop processing
Positioning control
Speed control
JOG operation
The axis decelerates to a stop in
the deceleration time set in the
parameter block or servo program.
The stop command is ignored and
deceleration stop processing is
continued.
(d) The stop command in a dwell time is invalid. (After a dwell time, the start
accept flag (M2001+n) turns OFF, and the positioning complete signal
(M4001+20n) turns ON.)
To Next Page
Loading...
