Operational description – IAI America ACON-SE User Manual

Page 82

Advertising
background image

72

4. Description of Operating Functions

* T1: Set T1 to 6 msec or more in consideration of the scan time of the host controller.

[Operational description]

[1] Perform positioning operation to position 1 (100.00 mm).
>@ 8SRQFRPSOHWLRQRISRVLWLRQLQJWRSRVLWLRQWKHSRVLWLRQFRPSOHWHVLJQDO 3(1' ZLOOEHFRPH³´

The zone signal

3=21( ZLOODOVREHFRPH³´

$IWHUFKDQJLQJWKHSRVLWLRQQXPEHUIURPWRVHWWKHVWDUWVLJQDO &675 WR³´

>@ :KHQPRYHPHQWVWDUWV3(1'ZLOOFKDQJHIURP³´WR³´DQGWKHPRYLQJVLJQDO 029( ZLOOFKDQJHIURP³´

WR³´$IWHUFRQILUPLQJWKDW029(KDVEHFRPH³´VHWWKHVWDUWVLJQDO &675 WR³´

[4] When the actuator has moved only 50 mm, PEND w

LOOEHFRPH³´DQG029(ZLOOEHFRPH³´DJDLQ$WWKLV

time, the PLC counts the first time of movement.
7KHQVHWWKH&675IRUWKHVHFRQGPPPRYHPHQWWR³´

[5] Repeat the operations of [3] and [4].

The PLC checks the zone signal (PZONE) status when positioning has been completed and judges that the
FXUUHQWSRVLWLRQLVWKHODVWZRUNSRVLWLRQLIWKHVLJQDOKDVEHFRPH³´
If the number of counts on the PLC side does not agree with the zone signal status, it is assumes that the signal
timing is not synchronized.

Position command

Positioning start (CSTR)

Position complete (PEND)

Completed position

0RYLQJ 029(

Actuator movement

Speed

Position 1

Position 2

Position 2

Position 2

Distance from home

Zone signal (PZONE)

Time

Position 1

*

*

Advertising