Rockwell Automation 1794-XXXX FLEX I/O High-Density Analog Modules User Manual
Page 32

Publication 1794-UM062A-EN-P - September 2012
24
Install Your FLEX I/O Module
6. If continuing DC common (-V) to the next base unit, connect a jumper
from terminal 33 (common) on this base unit to terminal 16 on the next
base unit.
Wire Connections for 1794-TB3S, 1794-TB3T and 1794-TB3TS using the 1794-IE8XT Module
Channel
Signal Type
Label
Markings
1794
-TB3S,
-TB3T,
-TB3TS
1794-TB3S
1794-TB3S
1794
-TB3T
-TB3TS
Input
Power
(1)
Common Terminal
Shield
Input 0
Current
I
A-0
C-35
B-17
B-17
C-39
Voltage
V
A-1
C-36
B-18
Input 1
Current
I
A-2
C-37
B-19
B-18
C-40
Voltage
V
A-3
C-38
B-20
Input 2
Current
I
A-4
C-39
B-21
B-21
C-41
Voltage
V
A-5
C-40
B-22
Input 3
Current
I
A-6
C-41
B-23
B-23
C-42
Voltage
V
A-7
C-42
B-24
Input 4
Current
I
A-8
C-43
B-25
B-25
C-43
Voltage
V
A-9
C-44
B-26
Input 5
Current
I
A-10
C-45
B-27
B-27
C-44
Voltage
V
A-11
C-46
B-28
Input 6
Current
I
A-12
C-47
B-29
B-29
C-45
Voltage
V
A-13
C-48
B-30
Input 7
Current
I
A-14
C-49
B-31
B-31
C-46
Voltage
V
A-15
C-50
B-32
24V DC
common
1794-TB3S – Terminals 16…33 are internally connected in the terminal base unit.
1794-TB3T, 1794TB3TS- – Terminals 16, 17, 19, 21, 23, 25, 27, 29, 31 and 33 are internally
connected in the terminal base unit.
+24V DC
power
1794-TB3S – Terminals 34…51 are internally connected in the terminal base unit.
1794-TB3T, 1794-TB3TS – Terminals 34, 35, 50 and 51 are internally connected in the terminal
base unit.
Chassis
ground
(Shield)
1794-TB3T, 1794-TB3TS – Terminals 39…46 are internally connected to chassis ground.
(1)
Use when transmitter requires terminal base power.