Virtual Servomotor Axis Command Signals - Mitsubishi Electric Q Series Programming Manual

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 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 (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
Control details
during execution
Positioning control
The axis decelerates to a stop in
the deceleration time set in the
Speed control
parameter block or servo program.
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.)
Deceleration stop processing
Processing at the turning stop command on
During control
4 - 31
ON
Stop command for
specified axis
Control during stop
command OFF
Stop
t
During deceleration stop processing
The stop command is ignored and
deceleration stop processing is
continued.