LSIS XBC-DN20S, User Manual, Page: 131 / 315

Chapter 5 Positioning Instructions
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5.2.12 Position Override Instruction
• The position override instruction (POR) is for changing the target position of the axis being operated
for the current positioning into the target position set in the instruction. For details, refer to 3.1.10.
(1) position override instruction (POR)
[Area Setting]
Operand Description Settable range Data size
sl Slot No. of positioning module XGB is fixed at 0 WORD
ax Axis to give instruction 0 (axis X) or 1 (axis Y) WORD
n1 Target position to change -2,147,483,648 ~ 2,147,483,647 DINT
[Flag Set]
Flag Description Device number
Error If the value of ax gets out of the range F110
(a) Function
• This instruction is giving the position override instruction to the XGB built-in positioning.
• This is changing the target position to the position set in n1 during the operation of the axis
designated as ax at the rising edge of the input condition.
• The position override instruction is available in the acceleration and deceleration sections and if
the position override is executed during dwell, error code 362 is issued.
(b) Error
• If the value designated as ax (instruction axis) is other than 0 and 1, the error flag (F110) is set
and the instruction is not executed.
(2) Example of Use of the Instruction
• The position override instruction is described with the example of the following program.
(a) Example of the Program
Instruction
Areas available
Step
Flag
PMK F L T C S Z D.x R.x
con
stan
t
U N D R
Error
(F110)
Zero
(F111)
Carry
(F112)
POR
sl - - - - - - - - -
○
- - - -
4~7
○
- -
ax
○
-
○
- - -
○
- -
○
- -
○
-
n1
○
-
○
- - -
○
- -
○
- -
○
-
POR
COMMAND
POR sl ax n1