Festo PROFIBUD-DP, Elektronics Manual

Page: 100 / 154

3. D i agn o s i s C P V −D I02 ( P R OF I BUS−DP )
3 − 22
Fes to P . B E − C P V −D I02 − E N en 070 4 N H
P o ss i b iliti es for d ow n lo ad i ng th e d i agn o s i s for S 7
Th e d i agn o s i s for P R OF I BUS−DP i s s upport ed i n th e d iff e r en t
c o n trol s y s t ems b y means of fu nc tio n m o d ul es . Th ese d ow n
lo ad th e s l a v e d i agn o s i s and writ e it i n to a da t a r ange of th e
u se r pro g r am .
C o nt rol s y s te m F un c ti o n m od u l e S ee ... Ma nu f ac tu r e r
S IMATIC S 5 with
S 5 − 95 U/DP mas t e r
FB 230 S _ D IA G " ET 200 Decen tr a l Pe riph e ry
S y s t em " man u a l
S i emens
S IMATIC S 7 / M7 SF C 13 DP NRM_ DG " S y s t em and S t anda r d F u nc tio ns "
r e f e r ence man u a l
S i emens
T ab .3 / 19 : P o ss i b iliti es for d ow n lo ad i ng th e d i agn o s i s for S 7
Ex am pl e for a S TE P 7 u se r pro g r am:
STL E xpl a n a ti o n
CALL SFC 13
REQ:=TRUE
R ead r eq u es t
LADDR:=W#16#03FE
P oi n t e r a t d i agn o s ti c add r ess , e . g . 1022
d
= 03 F E
h
( P rop e rti es DP s l a v e " see mask i n HW Co n fi g )
RET_VAL:=MW100
W h en f a ult s o cc ur, output f a ult c o de
RECORD:=P#M110.0 WORD 5
P oi n t e r a t s t a rt of da t a r ange for d i agn o s i s and l eng th of
d i agn o s ti c da t a
BUSY:=M10.0
R ead pro ced ur e fi n i s h ed
F i g .3 /4: Ex am pl e