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MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
Storage item Storage details
Md.28
Axis feedrate
•
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.
Update timing: 56.8ms
POINT
Refer to
Md.22
Feedrate
Md.29
Speed-position switching
control positioning amount
•
The value set as the movement amount for the position control to end after
changing to position control with the speed-position switching control (INC mode)
is stored.
Md.30
External input signal
The ON/OFF state of the external input/output signal is stored.
The following items are stored.
•
Upper limit signal
•
Lower limit signal
•
Stop signal
•
External command signal/switching signal
•
Near-point dog signal
This area stores the states of the external input signal (QD75MH/servo
amplifier) selected by "
Pr.80
External input signal selection".