Festo VTSA-ASI 4E4A-Z Series, Краткое описание

Страница: 19 / 86

Festo V M PA − A SI−E P L−...− 4 E 4A − Z 1010a En g lish 19
Diagnosis / display status LED for AS−Interface
AS−i Fault Meaning
on off A S−Inte r fa c e v olta g e a pp lie d , no fa u lt
on flashes Sho r t c i rcu it / o v e r loa d at in pu t
on on B u s c o mmu ni c ation faile d (wat c h d o g ex p i r e d )
flashes flashes Add itional p owe r s upp l y not a pp lie d o r
u n d e rv olta g e ( p ossibl y v al v es d o not swit c h),
p e r i p he ry fa u lt
flashes on A S−Inte r fa c e a ddr ess not set (= 0)
off off A S−Inte r fa c e v olta g e not a pp lie d
AUX/PWR Meaning
on Add itional s upp l y exists
off N o a dd itional s upp l y o r a dd itional s upp l y faile d
Display status LED for inputs
on 1−si g nal at in pu t / o u t pu t
off 0−si g nal at in pu t / o u t pu t
Note
T he A S−Inte r fa c e has an inte gr ate d wat c h d o g f u n c tion
whi c h r esets the o u t pu ts if the b u s c o mmu ni c ation
fails.