Mitsubishi Electric MELSEC-Q Series User Manual page 228

Storage item
[Md.28] Axis feedrate
[Md.29] Speed-position switching
control positioning movement
amount
[Md.30] External input signal

The speed which is actually output as a command at that time in each axis is
stored. (May be different from the actual motor speed)
"0" is stored when the axis is at a stop.
Refresh cycle: Operation cycle
POINT
Refer to "[Md.22] Feedrate"

The movement amount for the position control to end after changing to position
control with the speed-position switching control is stored.
When the control method is "Reverse run: position/speed", the negative value is
stored.
Refresh cycle: Immediate
The ON/OFF state of the external input signal is stored.
The following items are stored.

Lower limit signal

Upper limit signal

Stop signal

External command signal/switching signal

Proximity dog signal
: This area stores the states of the external input signal (servo amplifier) or
buffer memory of QD77GF set by "[Pr.80] External input signal selection".
: Regardless of the " [Pr.80] External input signal selection" setting, this area
stores the states of the buffer memory of QD77GF.
Refresh cycle: Operation cycle
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Chapter 5 Data Used for Positioning Control
Storage details