5 - 94
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: 0.9ms (QD75P
N/QD75D N), 56.8ms (QD75P /QD75D )
Md.29
Speed-position switching
control positioning amount
•
The movement amount for the position control to end after changing to position
control with the speed-position switching control (INC mode) is stored. When the
control method is "Reverse run: position/speed", the negative value is stored.
Md.30
External input/output signal
The ON/OFF state of the external input/output signal is stored.
The following items are stored.
•
Upper limit signal
•
Lower limit signal
•
Drive unit READY signal
•
Stop signal
•
External command signal
•
Zero signal
•
Near-point dog signal
•
Deviation counter clear signal
Update timing: 0.9ms (QD75P
N/QD75D N), 56.8ms (QD75P /QD75D )
To Next Page
Loading...
