IB IL 24 AI 2/SF-230
6232A
5
Electrical Isolation
Figure 4
Electrical isolation of the single
function areas
6 2 3 2 A 0 0 4
A n a l o g i n p u t s
F E p o t e n t i a l
A
B
E l e c t r i c a l i s o l a t i o n
b e t w e e n a r e a
A a n d B
U
A N A
( 2 4 V D C )
I N T E R B U S
l o c a l b u s ( I N )
I / O i n t e r f a c e
a n d
m i c r o p r o c e s s o r
B u s i n t e r f a c e
O P C
I N T E R B U S
l o c a l b u s ( O U T )
U
L
( 7 . 5 V D C )
U
A N A
( 2 4 V D C )
U
L
( 7 . 5 V D C )
2 4 V
5 V
1 0 V
5 V
1 0 V
