Black Box IC108A Guia do Utilizador Página 41

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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 2-29
Figure 2-21 shows the process connections for the Analog Input Module AI810 when installed
on the Extended MTU TU830.
External fuses to each smart transmitter must be installed to protect the power to other SHIMs
connected to the same power supply.
Figure 2-21. AI810 with Extended MTU (TU830) Process Connections
Sig+
SHIM
+
-
Sig+
SHIM
+
-
Sig+
SHIM
+
-
Sig+
SHIM
+
-
AI810
I1U
ZP
I2U
I2I
ZP
ZP
ZP
ZP
ZP
ZP
ZP
I3U
I4U
I5U
I6U
I7U
I8U
I3I
I4I
I5I
I6I
I7I
I8I
I1I
TU830
EM
L2+
L2+
L2+
L2+
L2+
L-
L1+
L1+
L1+
L1+
Process
B1,B2
C1
C2
A1,A2
X1
X2
L1+
L1+
L1-
L1-
B3,B4
C3
C4
A3,A4
B5,B6
C5
C6
A5,A6
B7,B8
C7
C8
A7,A8
B9,B10
C9
C10
A9,A10
B11,B12
C11
C12
A11,A12
B13,B14
C13
C14
A13,A14
B15,B16
C15
C16
A15,A16
L2+
L2+
L2-
L2-
Mux.
L1+
L-
Smart
Transmitter
24 Vdc
Pwr. Sup.
+
-
Smart
Transmitter
Smart
Transmitter
Smart
Transmitter
24 Vdc
Pwr. Sup.
+
-
Fuse
0.1A
Fuse
0.1A
Fuse
0.1A
Fuse
0.1A
4 -20 mA
4 -20 mA
4 -20 mA
4 -20 mA
Fuse
6.3A
Fuse
6.3A
+
_
+
_
+
_
+
_
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