Emerson Micro Motion LF Series, Installation Manual

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LF-Series Flowmeters: Sensor/Transmitter Installation 55
I/O Wiring – DIN CIO Transmitters
I/
O
Wiring – DIN
CIO
Retu
rn
P
o
li
c
y
Sp
ec
ifi
c
ati
o
n
s
I/
O
Wir
ing – DIN AN
10.3 mA output wiring
The wiring diagrams in this section are examples of proper wiring for the LF-Series DIN CIO
transmitter’s primary and secondary mA outputs. The following options are shown:
• Basic mA output wiring – Figure 10-2
• HART/analog single-loop wiring – Figure 10-3
• HART multidrop wiring – Figure 10-4
Figure 10-2 Basic mA output wiring
820
Ω
maximum
loop resistance
mA1 output mA2 output
420
Ω
maximum loop
resistance
+
+ –
–