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12 CONTROL SUB FUNCTIONS
Setting item
No. of pulses per
Pr.2
rotation
Movement amount
Pr.3
per rotation
Pr.4
Unit magnification
Refer to Section 5.2 "List of parameters" for setting details.
Calculation example
(Conditions)
Movement amount per pulse
No. of pulses per rotation
Unit magnification
(Positioning results)
Command movement amount
Actual movement amount
(Compensation amount)
3
AL'
5 10
=
AP'
12000
Movement amount per pulse
No. of pulses per rotation
Unit magnification
(e) Set the post-compensation "
Pr.3
"
Movement amount per rotation (Al')", and "
magnification (Am')" in the parameters, and write them to the QD75.
The set details are validated at the rising edge (OFF
PLC READY signal (Y0).
Setting
value
A p '
Set the post-compensation value.
A l '
Set the post-compensation value.
A m '
Set the post-compensation value.
12 - 15
: 500 ( m/rev)
: 12000 (pulse/rev)
: 1
: 100mm
: 101mm
3
5050
101
101 10
=
=
3
12000
240
101 10
: 101 ( m/rev)
: 240 (pulse/rev)
: 1
Pr.2
No. of pulses per rotation (Ap')",
Setting details
MELSEC-Q
[Set in Pr.3 ]
[Set in Pr.2 ]
[Set in Pr.4 ]
Pr.4
Unit
ON) of the
Pre-compensation
value
Ap
Al
Am
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Troubleshooting
