Position Follow-Up Control - Mitsubishi Electric A173UHCPU Programming Manual

7. POSITIONING CONTROL
7.17

Position Follow-Up Control

Servo Positioning
Instruction Method
PFSTART
Absolute
[Control Details]
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.
Common
Number of
Controllable
Axes
∆
! ! !
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.
V
Positioning address
Items Set by Peripherals
Arc
∆ ∆
Positioning address changed
during follow-up control
A B
7 − 119
Parameter Block
∆ ∆ ∆ ∆ ∆
t
Before reaching A, positioning address
changed to B (return direction)
Others
∆ ∆ ∆
OK
! : Must be set
∆ : Set if required