5-16
)XOOFORVHGFRQWURORI0,1$6$VHULHV LVGHVFULEHGLQ%ORFNGLDJUDPRI3RI)XOO
&ORVHG&RQWURO
$GMXVWPHQWLQIXOOFORVHGFRQWUROLVDOPRVWVDPHDVWKDWLQSRVLWLRQFRQWUROGHVFULEHGLQ
3´$GMXVWPHQWLQ3RVLWLRQ&RQWURO0RGHµDQGPDNHDGMXVWPHQWVRISDUDPHWHUVSHU
WKHSURFHGXUHVH[FHSWFDXWLRQVRI3´2XWOLQHRI)XOO&ORVHG&RQWUROµGLIIHUHQFH
RI
FRPPDQGXQLWDQGGLIIHUHQFHRIHOHFWURQLFJHDU
+HUH ZHH[SODLQ WKH VHWXS RIIHHGEDFN VFDOH UDWLR DQGK\EULG GHYLDWLRQ H[FHVV RIIXOO
FORVHGFRQWURO
1) Setup of external scale ratio
Setup the external scale ratio using the numerator of external scale division
(Pr3.24) and denominator of external scale division (Pr3.25).
&KHFNWKHHQFRGHUIHHGEDFNSXOVHFRXQWVSHURQHPRWRUUHYROXWLRQDQGWKHH[WHUQDO
VFDOHSXOVHFRXQWVSHURQHPRWRUUHYROXWLRQWKHQVHWXSWKHQXPHUDWRURIH[WHUQDO
VFDOHGLYLVLRQ 3UDQGGHQRPLQDWRURI H[WHUQDOVFDOHGLYLVLRQ 3UVRWKDW
WKHIROORZLQJIRUPXODFDQEHHVWDEOLVKHG
,IWKLVUDWLRLVLQFRUUHFWDJDSEHWZHHQWKHSRVLWLRQFDOFXODWHGIURPWKHHQFRGHUIHHG-
EDFNSXOVHFRXQWVDQGWKDWRIFDOFXODWHGIURPWKHH[WHUQDOVFDOHSXOVHFRXQWVZLOOEH
HQODUJHG DQGK\EULG GHYLDWLRQ H[FHVV(UU ZLOO EHWULJJHUHG ZKHQ WKHZRUN RU
ORDGWUDYHOVDORQJGLVWDQFH
:KHQ\RXVHWXS3UWRWKHHQFRGHUIHHGEDFNSXOVHFRXQWVZLOOEHDXWRPDWL-
cally set up.
2) Setup of hybrid deviation excess
Set up the minimum value of hybrid deviation excess (Pr3.28) within the
range where the gap between the motor (encoder) position and the load
(feedback scale) position will be considered to be an excess.
1RWHWKDWWKHK\EULGGHYLDWLRQH[FHVV(UUPD\EHJHQHUDWHGXQGHURWKHUFRQGL-
WLRQVWKDQWKHDERYHVXFKDVUHYHUVHGFRQQHFWLRQRIWKHH[WHUQDOVFDOHRUORRVH
FRQQHFWLRQRIWKHPRWRUDQGWKHORDG
Caution
(QWHUWKHFRPPDQGSXOVHVEDVHGRQWKHIHHGEDFNVFDOHUHIHUHQFH
7KHIHHGEDFNVFDOHVWRXVHGIRUIXOOFORVHGFRQWURODUHDVIROORZV
:KHQ$DQG%SKDVHSDUDOOHORUVHULDOVFDOH
$%667$67$/$7$VHULHVE\0LWVXWR\R&RUS
65656/6/E\0DJQHVFDOH&R/WG
7RSUHYHQWWKHUXQDZD\DQGGDPDJHRIWKHPDFKLQHGXHWRWKHVHWXSRIWKHIHHGEDFN
VFDOHVHWXSWKHK\EULGGHYLDWLRQH[FHVV3UWRWKHDSSURSULDWHYDOXHLQWKHXQLW
RIIHHGEDFNVFDOHUHVROXWLRQ
We recommend the external scale as 1/40
external scale ratio
160.
(YHQZLWKLQWKLVUDQJH
LI\RXVHWXSWKHH[WHUQDOVFDOHUDWLRWRVPDOOHUYDOXHWKDQSR-
VLWLRQORRSJDLQ3UDQG\RXPD\QRWEHDEOHWRFRQWUROE\RQHSXOVHXQLW,I
\RXVHWXSWRRODUJHH[WHUQDOVFDOHUDWLR\RXPD\H[SHFWODUJHUQRLVHLQPRYHPHQW
5
4. Manual Gain Tuning (Basic)
Adjustment
Adjustment in Full-Closed Control Mode
Pr3.24
=
Pr3.25
Number of encoder feedback pulses per motor rotation
Number of external scale pulses per motor rotation
Note
Related page
2QO\IRUSRVLWLRQFRQWUROW\SHLVQRWSURYLGHGZLWK;)RUH[WHUQDOVFDOHFRQQHFWRU
3´,QSXWVDQGRXWSXWVRQFRQQHFWRU;µ3´3URWHFWLYH)XQFWLRQµ