IAI America ACON-CG User Manual

Page 103

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7. Operation <Practical Steps>

7.2 Home Return Operation

7.2.1

Method Using the HOME Input Signal (PIO Pattern = 0 to 4)

Since the home return signal (HOME) is provided in PIO patterns 0 to 4, perform home return using this signal.

x When the home return signal (HOME) turns ON, the actuator starts moving toward the mechanical end on the

home side.
Once the mechanical end is contacted, the actuator reverses its direction and moves, and then stops at the
home position.

x At the start of movement, the position complete output (PEND) turns OFF while the moving output (MOVE)

turns ON.

x When the actuator stops at the home position, the position complete output (PEND) and home return

complete output (HEND) turn ON. On the other hand, the moving output (MOVE) turns OFF.

x On the PLC side, turn OFF the home return signal (HOME) after the home return complete output (HEND)

has turned ON.

Caution: When performing home return, pay attention to the following:

[1] Confirm that no obstacle is present in the home return direction.
[2] If any obstacle is present in the home return direction, review the PLC sequence

circuit and change the circuit so that home return will be executed only when there is
no obstacle.

Mechanical

end

Home return input

(HOME)

Home return complete

output (HEND)

Position complete output

(PEND)

Moving output

(MOVE)

Effective in PIO pattern 0 or 1.

Actuator movement

Stops at the

home position.

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