5 - 100
MELSEC-A
5 DATA USED FOR POSITIONING CONTROL
Storage item Storage details
Md.42
Target speed
•
During operation with positioning data : The actual target speed, considering
the override and speed limit value,
etc., is stored. "0" is stored when
positioning is completed.
•
During interpolation : The composite speed or reference
axis speed is stored in the reference
axis address, and "0" is stored in the
interpolation axis address.
•
During JOG operation : The actual target speed, considering
the JOG speed limit value for the
JOG speed, is stored.
•
During manual pulse generator operation : "0" is stored.
Md.43
Zero point absolute position
•
The "zero point absolute position" address is stored.
•
"0" is stored when the power is turned ON, and the zero point return basic
parameter "
Pr.47
Zero point address" is stored when the machine zero point
return is completed.
•
The zero point absolute position value is changed when the current value charge
function is executed.
Md.44
Movement amount after
near-point dog ON
•
"0" is stored when machine zero point return starts.
•
After machine zero point return starts, the movement amount from the near-point
dog ON to the machine zero point return completion is stored.
(Movement amount: Movement amount to machine zero point return completion
using near-point dog ON as "0".)
•
"0" is always stored when not using the near-point dog, or when using the
stopper stop method.
Md.45
Torque limit stored value
The "
Pr.18
Torque limit setting value" or "
Cd.30
New torque value" is stored.
•
During positioning start, JOG operation start, manual pulse generator operation
...The "
Pr.18
Torque limit setting value" is stored.
•
When value is changed to "
Cd.30
New torque value" during operation
...The "
Cd.30
New torque value" is stored.
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