Allen-Bradley 1794-IF4I User Manual

Publication 1794-6.5.8 - January 2010
How to Install Your Analog Module 27
2 Current I2 8
Current I2 Ret 9
Voltage V2 10
Voltage V2 Ret 11
3 Current I3 12
Current I3 Ret 13
Voltage V3 14
Voltage V3 Ret 15
24V dc Common
1794-TB3 – 16 through 33
(1)
1794-TB3T, -TB3TS – 17, 18, 33
1794-TBN, -TBNF – 16 and 33
+24V dc power 1794-TB3 – 34 thru 51
1794-TB3T, -TB3TS – 34, 35, 50, 51
1794-TBN, -TBNF – 34 and 51
(1)
Terminals 16 thru 33 are internally connected in the terminal base unit.
(2)
Terminal 39 through 46 are chassis ground. Terminals 36, 37, 38 and 47, 48, 49 are used or cold junction compensation.
Table 2.1
Wiring connections for 1794-TB3, -TB3T, -TB3S, -TB3TS, -TBN and -TBNF Terminal Base
Units when using the 1794-IF4I or 1794-OF4I Isolated Analog Module
Channel Signal Type Label Markings
1794-TB3, -TB3T1, -TB3S, -TB3TS
(2)
1794-TBN, 1794-TBNF
Signal
Terminal
Signal Return
Table 2.2
Wiring connections for the 1794-IF2XOF2I Isolated Analog Module when using 1794-TB3,
-TB3T, -TB3S, -TB3TS, -TBN and -TBNF Terminal Base Units
Channel Signal Type Label Markings
1794-TB3, -TB3T
(2)
, -TB3S,
-TB3TS
(2)
-TBN, -TBNF
Signal
Terminal
Signal Return
Input 0 Current I0 0
Current I0 Ret 1
Voltage V0 2
Voltage V0 Ret 3
Input 1 Current I1 4
Current I1 Ret 5
Voltage V1 6
Voltage V1 Ret 7

Allen-Bradley 1794-IF4I Specifications

General

Brand	Allen-Bradley
Model	1794-IF4I
Category	I/O Systems
Language	English