Chapter 5 Positioning Instructions
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5.3.17 Start Step Number Change Function Block
•This instruction (APM_SNS) changes the number of the step to be operated.
(1) Start Step No. Change Instruction (APM_SNS)
Form Variable Data Type Description
STEP
UINT
Operation Step No.
● Setting range: 1 ~ 80
(a) Function
•This instruction provides start step change reference to the XGB internal positioning.
•At the rising edge of the input condition, the present step number of the axis designated to be AXIS
is changed to the step set up in the STEP.
•If the axis has been in operation when this instruction is given, error code 441 is generated and the
instruction is not executed. If the setting value in the STEP exceeds allowable range, error code
442 is generated and the instruction is not executed.
(2) Sample Instruction
(a) Sample Program
(b) Program Operation
•At the rising edge of the ‘operation step change’ signal used as the reference signal, the present
operation step No. of the positioning X-axis is changed to the step No. set up in the STEP.
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