Festo PROFIBUD-DP, Руководство по электронике

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3. D i agn o s i s C P V −D I02 ( P R OF I BUS−DP )
3 − 20
Fes to P . B E − C P V −D I02 − E N en 070 4 N H
3.3 F a u l t t r e a t m ent
W ith th e followi ng f a ult s , th e r eac tio n of th e C P I s y s t em
de p ends o n th e c o n fi g ur ed r eac tio n of th e mas t e r m o d ul e:
t e l eg r am f a ilur e
mas t e r s top
i n t e rruptio n i n th e b u s cab l e .
De p end i ng o n th e se tti ng or c o n fi g ur a tio n , a ll th e output s
(v a lv es and e l ec tri c output s ) will be s wit c h ed off or r e t a i n
th e ir s t a tu s .
W a r nin g
·
M ake s ur e th a t v a lv es and output s a r e put i n to a sa f e
s t a t e if th e f a ult s named o cc ur.
A n i nc orr ec t s t a tu s of th e v a lv es and output s can l ead to
dange rou s s itu a tio ns .
No te
P l ease n ot e th e followi ng if th e output s a r e r ese t a ft e r
P LC s top, fi e l d b u s i n t e rruptio n or f a ult :
S i ng l e−s ol en oi d v a lv es m ov e to th e bas i c po s itio n .
D ou b l e−s ol en oi d v a lv es r ema i n i n th e c urr en t po s itio n .
Mi d− po s itio n v a lv es m ov e to th e m i d− po s itio n ( de p end
i ng o n v a lv e typ e: pr ess uri zed , e xh a u s t ed or b lo cked ).