Position Follow-Up Control - Mitsubishi Electric SV13/22 Programming Manual

7. POSITIONING CONTROL
7.17

Position Follow-Up Control

Servo
Instruction
PFSTART
[Control Details]
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After a single control start, positioning occurs to the address set with the word de-
vice of the servo system CPU designated in the servo program.
Position follow-up control is started using the PFSTART servo program instruction.
Number of
Positioning
Controllable
Method
Axes
∆
!
Absolute 1
Control Using PFSTART Instruction
(1) Positioning to the address set with the word device of the servo system CPU
designated in the servo program.
(2) Position follow-up control is executed until the stop instruction is input.
If the word device value changes while control is progress, positioning is exe-
cuted to the changed address.
Positioning address
search engine
Items Set by Peripherals
Common Arc
∆
! !
V
A
7 − 118
Parameter Block
∆ ∆ ∆ ∆ ∆ ∆
Positioning address changed
during follow-up control
t
Before reaching A, positioning address
changed to B (return direction)
B
Others
∆ ∆ ∆
OK
! : Must be set
∆ : Set if required