Rockwell Automation 1794-XXXX FLEX I/O High-Density Analog Modules User Manual
Page 27

Publication 1794-UM062A-EN-P - September 2012
Install Your FLEX I/O Module 19
Connect Wiring Using a 1794-TB3G or 1794-TB3GS Terminal
Base Unit
1. Connect individual signal wiring to numbered terminals on 0…15 row
(A), and 17…32 row (B) for 1794-TB3G and 1794-TB3GS as indicated in
the following tables.
2. Connect any signal wiring shields to functional ground as near as possible
to the module.
1794-TB3G and 1794-TB3GS only: Connect to earth ground terminals
B16, B33, C38, C40…C45 and C47.
3. Connect the -V DC common (return) to terminal 35 on the 34…51
row (C).
Wire Connections for 1794-TB2, and 1794-TB3 using the 1794-IE4XOE2 Module
Channel
Signal Type
Label
Markings
1794-TB2 and 1794-TB3
Signal
Common Terminal
Input 0
Current
I
0
17
Voltage
V
1
18
Input 1
Current
I
2
19
Voltage
V
3
20
Input 2
Current
I
4
21
Voltage
V
5
22
Input 3
Current
I
6
23
Voltage
V
7
24
Output 0
Current signal
I
8
Current common
RET
9
(2)
Voltage signal
V
10
Voltage common
RET
11
(2)
Output 1
Current signal
I
12
Current common
V
13
(2)
Voltage signal
I
14
Voltage common
V
15
(2)
24V DC Common
16…33
(1)
+24V DC Power
1794-TB2 – 34…51
1794-TB3 – 34…51
(1)
Terminals 16…33 are internally connected in the terminal base unit.
(2)
Terminals 9, 11, 13, and 15 are internally connected in the module to 24V DC common.