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1. GENERAL DESCRIPTION
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[Executing Positioning Control with a Servo System CPU]
The servo system CPU executes positioning control in accordance with the servo
programs designated by the sequence program of the SCPU.
An overview of the method used for positioning control is presented below.
Servo System CPU System
Request for
execution of
servo program
"Execute positioning" command
Interlock condition for axis 1
Servo program No.15
Axis 1 (Controlled axis No.)
Servo program start request
M2001
SVST
J1
K15
Sequence program
Created and modified using a
peripheral device
(Note-1)
SCPU Control
Example: SVST instruction
1) In the sequence program, the servo program number and controlled
axis number are set with the SVST instruction.
2) When the SVST instruction is executed, the PCPU is
requested to execute the program with the designated servo
program number.
(1) Servo programs and positioning control parameters are set using a peripheral
device.
(2) Positioning is started by the sequence program (SVST instruction).
(a) The servo program number and controlled axis number are designated by
the SVST instruction.
1) The servo program number can be set either directly or indirectly.
2) The controlled axis number can only be set directly.