DESCRIPTION AND OPERATION
FUNCTIONAL OPERATION
WBPEEUI110504A0
2 - 5
transmitter then provides a digital process variable signal. The
transmitter reports its output (in percent) up to ten times per
second for control purposes (Fig.
).
NOTE: Refer to the Field Bus I/O Module (IMFBS01) Instruction
for wire length and practices, and output update times.
Figure 2-4. Analog Point-to-Point Wiring
Figure 2-5. Digital Field Bus Wiring
N O T E S :
1 . D O N OT C O N N E C T T Y P E S T T T E R M IN A L D IR E C T LY
A C R O S S P O W E R S U P P LY.
2 . G R A P H S H O W N IS F O R 20 -m A M A X IM U M O U T P U T.
3 . A D D 0 .4 V D C TO A L L M IN IM U M S U P P LY VO LTA G E
VA LU E S IF U S IN G LIG H T N IN G A R R E S TO R O P T IO N .
1 2
1 6 .6
2 5
3 5
4 5
5 3
0
2 3 0
6 0 0
1 2 00
1 8 00
2 0 50
C O M M U N IC AT IO N S
O P E R AT IN G
R A N G E
T 0 2 6 0 8 A
S U P P LY VO LTA G E (V D C )
L O A D
R E S IS TA N C E
( )
Ω
2 5 0
(T Y P )
Ω
H IG H IM P E DA N C E
C O N T R O LL E R ,
R E C O R D E R O R
C O N T R O L S Y S T E M
S Y S T E M
P O W E R S U P P LY
S IG N A L W IR E S
+
+
–
–
S T T
T B 1
+
+
–
–
T E S T
P W R /
O U T P U T
T 0 2 6 0 9 A
T E R M IN AT IO N
U N IT
IN F I 9 0 O P E N S Y S T E M
F IE L D B U S
I/O M O D U L E
M U LT IF U N C T IO N
P R O C E S S O R /
M U LT IF U N C T IO N
C O N T R O L L E R
S IG N A L W IR E S
T R A N S M IT T E R 1
T R A N S M IT T E R 8
+
–
S T T
T B 1
T B 1
+
+
+
+
–
–
–
–
TE S T
TE S T
P W R /
O U TP U T
P W R /
O U TP U T
Summary of Contents for Platinum standard Series
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