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MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
Storage item Storage details
Md.48 Deceleration start flag
•
"1" is stored when the constant speed status or acceleration status switches to
the deceleration status during position control whose operation pattern is
"Positioning complete".
•
"0" is stored at the next operation start or manual pulse generator operation
enable.
POINT
This parameter is possible to monitor when "
Cd.41
Deceleration start flag valid
" is valid.
Md.100
OPR re-travel value
•
This area stores the travel distance during the OPR travel to the zero point that
was executed last time.
For setting units
•
Update timing: 1.7ms
Example) mm
(Buffer memory
0.1) µm
Md.101
Real current value
•
This area stores the present value (feed present value – deviation counter droop
pulses).
•
Update timing: 1.7ms
Example) mm
(Buffer memory
0.1) µm
Md.102
Deviation counter value
•
This area stores the difference between the feed present and the actual present
value.
(Buffer memory details) PLS
•
Update timing: 1.7ms
Md.103
Motor rotation speed
•
This area stores the present rotation speed of the servomotor.
(Buffer memory
0.1) rpm
•
Update timing: 1.7ms
Md.104
Motor current value
•
This area stores the present motor current value of the motor.
(Buffer memory 0.1) %
•
Update timing: 1.7ms