Ground the module, Inputs – Rockwell Automation 1794-IE8H, Series B FLEX I/O 8 Input Hart Analog Module Installation Instructions User Manual
Page 11
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FLEX I/O 8 Input HART Analog Module 11
Publication
1794-IN108D-EN-P - January 2014
Ground the Module
All I/O wiring must use shielded wire. Shields must be terminated external to
the module, such as bus bars and shield-terminating feed-throughs.
Inputs
Each input can be operated from an analog field device signal.
The channels in these modules are electrically connected to each other and
have a common plus-line.
IMPORTANT
When interconnecting several lines, you must consider the total accumulated
power.
44862
43852
HART
Modem
1794-IE8H/B
Bus
uC
Flexbus
10
Ω
23.7 V
273
Ω
+V
-V
+
4...20 mA
sig
-
Xmit
4...20 mA
Xmit
I
P
I
P
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