Virtual Servomotor Axis Command Signals - Mitsubishi Electric Q172CPU Programming Manual

4 POSITIONING DEDICATED SIGNALS

4.1.4 Virtual servomotor axis command signals

(1) Stop command (M4800+20n)
(a) This command stops a starting axis from an external source and becomes
effective at the turning signal off to on. (An axis for which the stop command
is turning on cannot be started.)
Stop command OFF
(M4800+20n)
V
Setting speed
(b) It can also be used as the stop command during the speed control. (Refer
to Section "6.13 Speed Control ( )" of the "Q173CPU(N)/Q172CPU(N)
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
Control details
during execution
The axis decelerates to a stop in
Positioning
the deceleration time set in the
control
parameter block or servo program.
Speed control
JOG operation
(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.)
(Note-1)
.................. Command signal
Deceleration stop processing
Processing at the turning stop command on
During control
4 - 32
ON
Stop command for
specified axis
Control when stop
command turns off
Stop
During deceleration stop processing
The stop command is ignored and
deceleration stop processing is
continued.
t