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MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
[Table 1]
Pr.1
setting value
Value set with peripheral device
(unit)
Value set with PLC program
(unit)
0 : mm
-214748364.8 to 214748364.7 (
µ
m)
-2147483648 to 2147483647 (
×
10
-1
µ
m)
1 : inch -21474.83648 to 21474.83647 (inch)
-2147483648 to 2147483647 (
×
10
-5
inch)
2 : degree -21474.83648 to 21474.83647 (degree)
-2147483648 to 2147483647 (
×
10
-5
degree)
3 : PLS -2147483648 to 2147483647 (PLS) -2147483648 to 2147483647 (PLS)
Pr.54
OPR torque limit value
Set the value to limit the servomotor torque after reaching the creep speed during
machine OPR.
Refer to Section 12.4.2 "Torque limit function" for details on the torque limits.
Pr.55
Operation setting for incompletion of OPR
Set whether the positioning control is executed or not (When the OPR request flag
is ON.).
0: Positioning control is not executed.
1: Positioning control is executed.
(1) When OPR request flag is ON, selecting "0: Positioning control is not
executed" will result in an "Operation starting at incompletion of OPR" error
(error code: 547), and positioning control will not be performed. At this time,
operation with the manual control (JOG operation, inching operation, manual
pulse generator operation) is available.
(2) The following shows whether the positioning control is possible to start/restart
or not.
(a) Start possible
Machine OPR, JOG operation, inching operation, manual pulse
generator operation, current value changing using current value
changing start No. (9003).
(b) Start/restart impossible control
The positioning control is impossible to start/restart in the following case.
1-axis linear control, 2/3/4-axis linear interpolation control, 1/2/3/4-axis
fixed-feed control, 2-axis circular interpolation control with sub point
designation, 2-axis circular interpolation control with center point
designation, 1/2/3/4-axis speed control, Speed-position switching control
(INC mode/ ABS mode), Position-speed switching control, current value
changing using current value changing (No.1 to 600).
(3) When OPR request flag is ON, starting Fast OPR will result in an “Home
positioning return (OPR) request flag ON” error (error code: 207) despite the
setting value of “Operation setting incompletion of OPR”, and Fast OPR will
not be executed.