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11 MANUAL CONTROL
11.3.3 Setting the required parameters for inching operation
Pr.1
Unit setting
Pr.2
No. of pulses per rotation (AP) (Unit: PLS)
Pr.3
Movement amount per rotation (AL) (Unit: PLS)
Pr.4
Unit magnification (AM)
Pr.11 Backlash compensation amount (Unit: PLS)
Pr.12 Software stroke limit upper limit value (Unit: PLS)
Pr.13 Software stroke limit lower limit value (Unit: PLS)
Pr.14 Software stroke limit selection
Pr.15 Software stroke limit valid/invalid setting
Pr.17 Torque limit setting value (Unit: %)
Pr.31 JOG speed limit value (Unit: PLS/s)
: Setting always required.
: Set according to requirements (Leave set to the initial value when not used.)
The "Positioning parameters" must be set to carry out inching operation.
The following table shows the setting items of the required parameters for carrying out
inching operation. When only inching operation will be carried out, no parameters
other than those shown below need to be set. (Use the initial values or setting values
within a range where no error occurs for trouble-free operation.)
Setting item
REMARK
•
Positioning parameter settings work in common for all control using the QD75.
When carrying out other controls ("major positioning control", "high-level
positioning control", and "OPR positioning control"), the respective setting items
must also be set.
•
Parameters are set for each axis.
•
Refer to "Chapter 5 Data Used for Positioning Control" for setting details.
Setting requirement
11 - 21
MELSEC-Q
Factory-set initial value
(setting details)
3 (PLS)
20000
20000
1 (1 times)
0
2147483647
–2147483648
0 (current feed value)
0 (valid)
300
20000
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