Iai-america RCS-C Bedienungsanleitung PDF herunterladen (Seite 70)

4.2.7 Home Return

With the standard specification, home return must be performed after the power has been input or an encoder

open or CPU error alarm has been reset. Selecting a position number and then initiating a start will cause the

controller to automatically perform home return before commencing the subsequent operation. Once home

return is complete, the home return completion output will turn ON (standard specification).

Home return alone cannot be performed using PIO. To move the actuator to the home position in a normal

condition, set a position number for which “0” is set in the position-data table under “Position,” and then issue a

movement command to that position.

With the absolute specification, home return is not necessary after the power has been input, as long as an

absolute reset was performed once.

4.3 Timing Chart

Acc/dec Description

Minimum Maximum

T1 Start ON minimum duration

4 msec



T2 Start OFF minimum duration

4 msec



Start ON  Command position hold time

6 msec



Start ON  Position complete OFF delay



7 msec

Position complete OFF  Moving ON delay



1 msec

Pause OFF  Moving OFF delay



Pause ON  Moving ON delay



6 msec

Position complete ON  Moving OFF delay



2 msec

Completed position OFF  Position complete OFF delay

0.1 msec 1 msec

T10

Position complete ON  Completed position output delay

0.1 msec

1 msec

*1: The maximum value will vary depending on the acceleration/deceleration.

*2: After the position complete signal turned ON, wait for at least the sequencer’s scan time before checking

the completed position.

Start

Command position

Position complete

Completed position

Moving

*Pause

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 118 119

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