2 POSITIONING CONTROL BY THE MOTION CPU

[Execution of the servo program start (S(P).SVST instruction)]

Positioning control is executed by starting the specified servo program toward the axis specified with S(P).SVST instruction of PLC CPU in the Motion CPU.

An overview of the starting method using the servo program is shown below.

Multiple CPU control system

PLC CPU

PLC program . . . . . Create using a peripheral device (Note-1)

<Example> SP.SVST instruction

Positioning execute command

SP.SVST H3E3"J3J4" K25 M0 D0

Device which stores the complete status

Complete device Servo program No.25

Starting axis No.3 and 4 Target CPU

Start request of the servo program

Start request of the servo program

1) The starting axis No. and servo program No. are set using the S(P).SVST instruction in the PLC program.

2) When the S(P).SVST instruction is executed, the program of the servo program No. is executed toward the specified axis.

(1)Create the servo programs and positioning control parameters using a peripheral device.

(2)Perform the positioning start using the PLC program (S(P).SVST instruction) of

PLC CPU.

(a)Starting axis No. and servo program No. are specified with the S(P).SVST instruction.

1)Servo program No. can be set either directly or indirectly.

(3)Perform the positioning control of specified servo program toward the specified axis.

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