Fixed Parameters - Mitsubishi Electric MELSEC Q Series Programming Manual

4 PARAMETERS FOR POSITIONING CONTROL

4.2 Fixed Parameters

No. Item mm
Setting range Units Setting range Units Setting range Units
1 Unit setting 0
Number of
pulses per
2
rotation
(AP)
Travel
value per 0.1 to
3
rotation 214748364.7
(AL)
Backlash
4 compensation 0 to 6553.5
(Note)
amount
-214748364.8
Upper stroke
5 to
(Note)
limit
214748364.7
-214748364.8
Lower stroke
6 to
(Note)
limit
214748364.7
Command in-
0.1 to
7 position range
214748364.7
(Note)
Speed control
10 multiplier
8
setting for
degree axis
(1) The fixed parameters are set for each axis and their data is fixed based on the
mechanical system, etc.
(2) The fixed parameters are set using MT Developer2.
(3) The fixed parameters to be set are shown in Table 4.1.
Table 4.1 Fixed parameter list
Setting range
inch
1 2
1 to 2147483647[pulse]
0.00001 to 0.00001 to
21474.83647 21474.83647
0 to 0.65535 0 to 0.65535
µm inch
-21474.83648
0 to
to
359.99999
21474.83647
-21474.83648
0 to
to
359.99999
21474.83647
0.00001 to 0.00001 to
21474.83647 359.99999
Invalid/Valid
(Note): The display of the possible setting range changes according to the electronic gear value at Q173DCPU(-S1)/Q172DCPU(-S1).
degree pulse
Setting range Units
3
1 to
2147483647
0 to 65535
degree pulse
-2147483648
to
2147483647
-2147483648
to
2147483647
1 to
2147483647
4 - 2
Initial value Units Remarks
• Set the command unit for each
3
axis at the positioning control.
• Set the number of feedback
pulses per motor rotation
20000
based on the mechanical
system.
• Set the travel value per motor
based on the mechanical
20000
system.
• Set the backlash amount of
the machine.
• Every time of the positioning
direction changes at the
0
positioning, compensation by
pulse
the backlash compensation
amount is executed.
• Set the upper limit for the
machine travel range.
2147483647
• Set the lower limit for the
machine travel range.
0
• Set the position at which the
command in-position signal
(M2403+20n) turns on
100
[(positioning address) -
(current value)].
• Set whether the positioning
control is executed with a
value 10 multiplier the speed
Invalid
of a command speed setting,
when a control unit is degree
axis.
Section
4.2.1
7.2
4.2.3
4.2.4
4.2.5