User`s manual

10 - 29
MELSEC-Q
10. POSITIONING DEBUGGING
DISPLAY/SETTING DATA
Item Description
Monitor Shows the axis status.
OPR type
Chose the type of a starting method used in the OPR test.
• Machine OPR
OPR is performed using the dog or zero phase signal depending on the OPR method.
Performed when the original point is set up.
• High speed OPR
Operation of positioning to the original point is performed in the travel distance calculated
from the mechanical feed distance and the original point address set to the OPR basic
parameters after the original point has been set up.
"REQ. OPR" button Click this button to start OPR set for the OPR method.
OPR method
OPR speed
Original point address
Show the data set in the OPR basic parameters.
"All axis stop" button Click this button to stop all axes.
"Stop" button Click this button to stop the axis.
<<Position start>> tab
<<Feed present value
CHG>> tab
<<Speed CHG>> tab
<<JOG/MPG>> tab
Click the tab to show the corresponding test screen.
Positioning start test........................Refer to Section 10.4.1.
Present value change test ..............Refer to Section 10.4.2.
Speed change test..........................Refer to Section 10.4.3.
JOG/MPG test.................................Refer to Section 10.4.5.
HELPFUL OPERATION
The following operation example is given for original point setup when the OPR
method is the count type 2).
1. Perform steps 1 to 5 in BASIC OPERATION in this section to make an OPR test
of the machine OPR type.
2. If there is a difference between the position of the original point set up in the
OPR test and the expected position, perform JOG/MPG operation test(refer to
Section 10.4.5) to correct the position.
3. Check the difference between the feed present value and original point address.
4. Make correction of the difference to “Travel distance after DOG” in the OPR
extended parameters.