| 摘要 |
PROBLEM TO BE SOLVED: To provide an updating method for a program current location, which performs accurate locating by eliminating deviation in program current location resulting from manual operation, etc. SOLUTION: In the updating method for the program current location of a motion controller 1 which has ladder instructions and motion instructions, the latest program current location about an arbitrary axis can be obtained by specifying an instruction PLD: 3 updating the program current location for the axis when an axis 8 is moved with a ladder instruction other than the motion program during the operation of the motion program 2 or when the same axis is moved by other motion programs.
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