Black Box IC108A Guia do Utilizador Página 39

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Advant
®
Smart Device (HART
®
) Interface User’s Guide
Section 2.3.1 Connecting to a SHIM
3BUR 001 085R0001 REV A 2-27
Figure 2-20 shows an example of the DSAX 110 board connected to the process with the
connection unit DSTA 001. You can connect the connection unit to two DSAX 110 for
redundancy.
Figure 2-20. Connection of AI/O Board DSAX 110 to DSTA 001
Sig+
SHIM
+
-
Sig+
SHIM
+
-
CONTROLLER
PROCESS
CONNECTION UNIT AI BOARD
DSTA 001
DSAX 110
COMMON
(Redundant)
DSAX 110
CHA01
CHAI8
CHA08
CHAI1
4 -20 mA
4-20 mA
X90
24 V
1
2
1
2
3
10
11
12
X93
1
2
3
X94
10
11
12
500
X91
X92
0 - 20 mA
R
L
= 100 k
R
L
W1
250
W16
250
F
F
X2
U +
O V
X81
X82
X81
X82
X81
X82
X81
X82
X81
X82
X81
X82
X81
X82
X2
R
L
gives
U = 0.5%
0- 10 V
500
0 V
0 V
Board 2
Board 1
Shunt
Jumper
Analog
Output
Signals
Smart
Transmitter
24 Vdc
Pwr. Sup.
+
-
Smart
Transmitter
+
_
+
_
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