Yaskawa MP940 User Manual
Page 437
11.3 Position Control
11-35
11
Table 11.11 Position Reference Value Selection
With the position reference for an infinite length axis, the present travel distance (incremen-
tal travel distance) is added to the previous position reference (OLC012), and the position
reference (OLC012) is reset. The position reference (OLC012) must not be set in the range
of 0 to (infinite length axis reset position - 1).
Position Reference
Value Selection
(Bit 12 of OWC001)
Position Reference
Type
(Bit 14 of OWC001)
Position Reference (OLC012)
0
(Direct designation)
0
(Absolute position
mode)
Sets the absolute position. (Moves to the setting position.)
Example: OLC012
10000
OLC012
20000
1
(Incremental addition
mode)
Sets the present travel distance value (increment) added to the previ-
ous value of OLC012.
OLC012
Previous OLC012 + Incremental travel distance
Example: When the previous OLC012 = 1,000 and the present
travel distance is 500, then: OLC012
1000 + 500 =
1500
1
(Indirect designation)
0
(Absolute position
mode)
Sets the position buffer number.
The absolute position must be stored in advance in the position
buffer with the specified number.
←
←
←
←
1234
1
2
3
4
99
256
・
・
・
・
・
・
・
・
・
99
OLxx12
Position buffer
Position buffer
number (1 to 256)
1234 of position
buffer 99 is used as
the absolute position.