Mitsubishi Electric MELSEC Q Series Programming Manual page 63

3 POSITIONING DEDICATED SIGNALS
(4) Command in-position signal (M2403+20n) .................. Status signal
(a) This signal turns on when the absolute value of difference between the
command position and feed current value becomes below the "command in-
position range" set in the fixed parameters.
This signal turns off in the following cases.
• Positioning control start
• Home position return
• Speed control
• JOG operation
• Manual pulse generator operation
• Speed-torque control
(b) Command in-position check is continually executed during position control.
This check is not executed during speed control or speed control in the
speed-position switching control.
V
Position
control
start
Command in-position ON
(M2403+20n)
Execution of command in-position check
(5) Speed controlling signal (M2404+20n) ......................... Status signal
(a) This signal turns on during speed control, and it is used as judgement of
during the speed control or position control.
It is turning on while the switching from speed control to position control by
the external CHANGE signal at the speed-position switching control.
(b) This signal turns off at the power supply on and during position control.
At speed-position switching control
Speed-position switching
control start
Speed controlling
OFF
signal
(M2404+20n)
(c) It does not turn on at the speed control mode in speed-torque control.
QDS
Command in-position setting
Speed-position
switching
control start
OFF
CHANGE
Speed control start
ON
Speed Position
control control
3 - 14
Switch from speed to position
Command in-position
setting
Execution of command
in-position check
At speed control At position control
Positioning start
t
t
QDS