Endress+Hauser Fieldgate FXA320 Betriebsanleitung Seite 17

3 A r b e i t s w e i s e u n d S y s t e m a u f b a u
1 5
3 . 5 S y s t e m a u f b a u
3 . 5 . 1 A n a l o g e i n g a n g 4 . . . 2 0 m A
Z w e i 4 . . . 2 0 m A - G e r ä t e k ö n n e n a n d a s F i e l d g a t e F X A 3 2 0 a n g e s c h l o s s e n w e r d e n . M i t d e m
e n t s p r e c h e n d e n M e s s u m f o r m e r - V e r s o r g u n g s m o d u l k ö n n e n d i e G e r ä t e a u c h i n e x p l o s i o n s -
g e f ä h r d e t e n B e r e i c h e n a u f g e s t e l l t w e r d e n . D i e G e r ä t e k ö n n e n n i c h t p a r a m e t r i e r t w e r d e n , a b e r d i e
A u s g ä n g e k ö n n e n i m F i e l d g a t e - W e b - S e r v e r s k a l i e r t u n d l i n e a r i s i e r t w e r d e n .
Web-Browser
HTTP-Script
...
4...20 mA
.
3 . 5 . 2 D i g i t a l e i n g a n g
A l s O p t i o n s t e h e n d e m F i e l d g a t e F X A 3 2 0 v i e r D i g i t a l e i n g ä n g e z u r V e r f ü g u n g . S i e d i e n e n z . B . d e n
A n s c h l u s s v o n F ü l l s t a n d g r e n z s s c h a l t e r .
Web browser
HTTP script
...
24 V
DC
A b b . 3 - 7 : S
WWW
Analog
Ethernet
GSM
Fieldgate
Fieldgate
FXA320
FXA320
S y s t e m a u f b a u f ü r 4 . . 2 0 m A - A n s c h l ü s s e
A b b . 3 - 6 :
WWW
Analog
Ethernet
GSM
e.g. switches
S y s t e m a u f b a u f ü r 4 . . 2 0 m A - u n d D i g i t a l a n s c h l ü s s e
F i e l d g a t e F X A 3 2 0
z.B. 2 x RN221N-B ...
ENDRESS+HAUSER ENDRESS+HAUSER
RN 221N RN 221N
-
Fieldgate
FXA 320
loop-power
e.g. 4...20 mA
E n d r e s s + H a u s e r
4...20 mA