3. POSITIONING SIGNAL
3 − 10
(5) Speed control in progress signal (M2404+20n)
(a) The speed control in progress signal is ON during speed control and is used
to determine whether speed control or position control is currently being
executed.
In speed/position switching control, it remains ON until the switch from
speed control to position control is executed on receipt of the CHANGE
signal from an external source.
(b) The speed control in progress signal is OFF when the power is switched ON
and during position control.
Speed control
in progress
signal
(M2404+20n)
t
CHANGE
OFF
ON
Start of speed control
Speed
control
Position
control
Start of positioning
Stsrt of speed/position
switching control
Speed control
Speed/position swiching
control
Position control
(6) Speed/position switching latch signal (M2405+20n)
(a) The speed/position switching latch signal comes ON when control is
switched from speed control to position control.
It can be used as an interlock signal to enable or disable changing of the
travel value in position control.
(b) The signal goes OFF when any of the following are started.
• Position control
• Speed/position switching control
• Speed control
• JOG operation
• Manual pulse generator operation
Speed/position
switching latch
signal(M2405+20n)
t
CHANGE
ON
Start
Start of speed/position
switching control
OFF
OFF
ON
CHANGE signal
from external
source
(7) Zero pass signal (M2406+20n)
This signal comes ON when the zero point is passed after the power to the
servo amplifier has been switched ON.
Once the zero point has been passed, the signal remains ON until the CPU has
been reset.
In the zeroing method of proximity dog or count type, however, the signal goes
OFF once at the start of zeroing and comes ON again when the next zero point
is passed.
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