Wire the module – Rockwell Automation 1794-IE8H, Series B FLEX I/O 8 Input Hart Analog Module Installation Instructions User Manual

Page 9

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FLEX I/O 8 Input HART Analog Module 9

Publication

1794-IN108D-EN-P - January 2014

Wire the Module

To connect two-wire transmitter devices for 1794-TB3G and 1794-TB3GS
bases, refer to the tables and figure and complete the following.

Module Wiring

1. Connect the individual input wiring to (+) terminals (0, 4, 8, 12) on

the 0 to 15 row (A) and on the 16 to 33 row (B) (terminals 17, 21, 25,
29) as indicated in the table Wire Connections.

2. Connect the associated input to the corresponding (sig) terminal (1, 5,

9, 13) on the 0 to 15 row (A), and on the 16 to 33 row (B) (terminals
18, 22, 26, 30) for each input as indicated in the table Wire
Connections.

WARNING

If you connect or disconnect wiring while the field-side power is on, an
electrical arc can occur. This could cause an explosion in hazardous location
installations. Be sure that power is removed or the area is nonhazardous before
proceeding.

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

16

35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51

34

(1794-TB3G shown)

+V

COM

A

B

C

NC

+V

COM

NC

+

+

Ch0

Ch1

Ch3

Ch2

sig

sig

+24V DC = Terminals C-34 and C-50
COM

= C-35 and C-51

NC

= No connection

For daisy-chaining : Supply in C-34 (+V) and C-35 (COM)

Supply out C-50 (+V) and C-51 (COM)

24V DC
Supply Out

24V DC
Supply Out

+

Ch4

sig

+

Ch5

sig

+

Ch6

sig

+

Ch7

sig

+

sig

+

sig

44861

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