Festo PROFIBUD-DP, Руководство по электронике

Страница: 130 / 154

5. D i agn o s i s C P V − C S 02 (A BB C S 31)
5 − 1 4
Fes to P . B E − C P V −D I02 − E N en 070 4 N H
5. 4 .3 S hort c ir c uit i n th e sens or s upply a t an i n put m o d ul e
If th e r e i s a s hort c ir c uit, ov e rlo ad or volt age f a ult i n th e
sens or s upply :
th e sens or s upply of a ll i n put s of th e m o d ul e will be
s wit c h ed off.
th e d i agn o s ti c LE D o n th e output m o d ul e will li g ht up,
oth e rwi se th e g r een LE D will fl as h
th e f a ult b it i n th e d i agn o s ti c b yt e will be se t to lo g i ca l 1.
No te
Th e i n put s cann ot be u sed aga i n u n til th e s hort c ir c uit or
ov e rlo ad h as been e li m i na t ed and th e f a ult q uitt ed .
Quitti ng th e f a ult /s hort c ir c uit / ov e rlo ad
You can q uit th e f a ult i n o ne of th e followi ng w a y s:
·
i n t e rrupt b ri e fly th e C P c o nnec tio n o n th e C P i n put m o d ul e
or
·
b ri e fly i n t e rrupt th e op e r a ti ng volt age for th e C P V D ir ec t.
Th e i n put s can th en be scanned aga i n .
If th e s hort c ir c uit / ov e rlo ad s till e xi s t s , th e f a ult will be s how n
aga i n .