Rockwell Automation 1794-OE8H, Series B Flex I/O Output HART Module Installation Instructions - Manual (Page 9)

FLEX I/O 8 Output HART Analog Module 9
Publication 1794-IN109D-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 (-) 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.
3. Connect +V DC power to terminal 34 on the 34 to 51 row (C).
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
Chassis
Ground
(1794-TB3G shown)
Chassis
Ground
+V (COM)
24V DC
Supply In
+V (COM)
24V DC
Supply Out Chassis Grounds
A
B
C
NC NC
+ _
Ch0
+V = +24V DC = Terminals C-34 and C-50
-V = COM = C-35 and C-51
Chassis Ground = Terminals B-16, B-33, C-38, C-40…45, and C-47
NC = No connection
For daisy-chaining : Supply in C-34 (+V) and C-35 (COM)
Supply out C-50 (+V) and C-51 (COM)
+ _
Ch4
+ _
Ch5
+ _
Ch6
+ _
Ch7
+ _
Ch1
+ _
Ch2
+ _
Ch3
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