Setting The Required Parameters For Inching Operation - Mitsubishi QD75P1N User Manual

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: pulse)
Pr.3
Movement amount per rotation (Al) (Unit: pulse)
Pr.4
Unit magnification (Am)
Pr.5
Pulse output mode
Pr.6
Rotation direction setting
Pr.11
Backlash compensation amount (Unit: pulse)
Pr.12
Software stroke limit upper limit value (Unit: pulse)
Pr.13
Software stroke limit lower limit value (Unit: pulse)
Pr.14
Software stroke limit selection
Pr.15
Software stroke limit valid/invalid setting
Pr.17
Torque limit setting value (Unit: %)
Pr.23
Output signal logic selection
Pr.31
JOG speed limit value (Unit: pulse/s)
: Setting always required.
: Set according to requirements (Leave set to the initial value when not used.)
The "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
•
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 - 20
MELSEC-Q
Factory-set initial value
(setting details)
3 (pulse)
20000
20000
1 (1-fold)
1 (CW/CCW mode)
0 (current value increases by
forward run pulse output)
0
2147483647
–2147483648
0 (current feed value)
0 (valid)
300
0 (Pulse output to the drive
unit is negative logic)
20000