Festo PROFIBUD-DP, Elektronics Manual

Page: 96 / 154

3. D i agn o s i s C P V −D I02 ( P R OF I BUS−DP )
3 − 18
Fes to P . B E − C P V −D I02 − E N en 070 4 N H
Ov e rv ie w of t h e m o s t i m por t a nt f a u l t nu m b e r s
No. Op e r a tin g s t a tu s E l i m in a tin g f a u l t s
0 No f a ult
2 S hort c ir c uit / ov e rlo ad i n sens or s upply
( S C S ) or a t output ( S C O )
Eli m i na t e s hort c ir c uit / ov e rlo ad
5 Unde rvolt age i n th e pow e r s upply (lo ad
s upply for output s/ v a lv es , sens or s upply for
i n put m o d ul es with add itio na l s upply)
Eli m i na t e th e u nde rvolt age i n th e r e l e v an t
pow e r s upply
11 S hort c ir c uit / ov e rlo ad a t th e v a lv e Ch eck v a lv e
12 P ilot v a lv e fu nc tio n w a r n i ng R ec o mmenda tio n: R e pl ace th e v a lv e
13 W ir e fr ac tur e a t v a lv e (op en lo ad ) Ch eck v a lv e
1 4 V a lv e: s wit c hi ng c ou n t e r, li m it v a lu e
e x ceeded
R ec o mmenda tio n: R e pl ace th e v a lv e
3 4 I nc orr ec t s tri ng ass i gnmen t asce rt a i ned
d uri ng op e r a tio n ( e . g . C P I m o d ul e f a il ed
or C P I cab l e de f ec tiv e )
Mor e th an o ne m o d ul e f a il ed d uri ng
op e r a tio n m o d ul es a r e n o lo nge r
r ec o gn i zed .
·
Ch eck C P s tri ngs (C P I m o d ul es and C P I
cab l es ), if necessa ry r e pl ace C P I m o d ul es
or C P I cab l es
·
S wit c h pow e r s upply off and th en o n
aga i n . If f a ult s till o cc ur s , c h eck and , if
necessa ry, r e pl ace C P I cab l es and C P I
m o d ul es
35 Th e s tri ng ass i gnmen t wh en th e pow e r
s upply i s s wit c h ed o n i s n ot th e same as th e
sa v ed s tri ng ass i gnmen t or an i nc orr ec t
m o d ul e i s r ec o gn i zed d uri ng op e r a tio n .
·
Ch eck C P s tri ngs (C P I m o d ul es and C P I
cab l es ), if necessa ry r e pl ace C P I m o d ul es
or C P I cab l es
·
W ith c orr ec t s tri ng ass i gnmen t : th e s tri ng
ass i gnmen t m u s t be sa v ed
·
Ch eck s tri ng ass i gnmen t, if necessa ry
r e pl ace C P I m o d ul e
36 S hort c ir c uit i n C P s tri ng
(2 4 V
e l /sen
or 2 4 V
v a l
)
Co mm u n i ca tio n o n C P s tri ng i n t e rrupt ed
·
Ch eck C P s tri ngs , if necessa ry r e pl ace
C P I cab l e
T ab .3 / 16 : O v e rvi e w of th e m o s t i m port an t f a ult n u mbe r s fro m T ab .3 / 15