Allen-Bradley 1794-IB16D Installation Instructions Manual page 8

8 FLEX I/O Digital Input and Output Modules with Diagnostics
1794-TB32 and 1794-TB32S Terminal Base Wiring for 1794-IB16D
0 1
16 17
NC
34 35
NC +V1 COM1 +V1 COM1 +V1 COM1 +V1 COM1 +V2 COM2 +V2 COM2 +V2 COM2 +V2 COM2 NC
+V2 = Terminals 43, 45, 47 and 49 -
Voltage applied to Inputs 0...15 and Sensor power 0...15
COM1, COM2 = Terminals 36, 38, 40, 42, 44, 46, 48 and 50 -
Common for inputs 0...15 and sensor power 0...15
NC = No connections (terminals 16, 33, 34 and 51)
+V1 = Terminals 35, 37, 39 and 41 (not used)
Wiring Connections for the 1794-IB16 Module
(use with 1794-TB32 or 1794-TB32S terminal base units)
Input Input Terminal Sensor Power
IN 00 A-0
IN 01 A-1
IN 02 A-2
IN 03 A-3
IN 04 A-4
IN 05 A-5
IN 06 A-6
IN 07 A-7
IN 08 A-8
IN 09 A-9
IN 10 A-10
IN 11 A-11
IN 12 A-12
IN 13 A-13
IN 14 A-14
IN 15 A-15
+V2 DC power Power terminals 43, 45, 47 and 49 (power terminals are internally connected
together in the module)
COM DC return Common terminals 36, 38, 40, 42, 44, 46, 48 and 50 (common terminals are
internally connected together in the module)
(1)
3-wire devices only. 2-wire devices use input and sensor power terminals; 3-wire devices use input, sensor power and common
terminals.
Publication 1794-IN096D-EN-P - June 2018
2 3 4 5 6 7
Input Terminals 0...15
18 19 20 21 22 23
Sensor Power Terminals 0...15
36 37 38 39 40 41
Terminal
B-17
B-18
B-19
B-20
B-21
B-22
B-23
B-24
B-25
B-26
B-27
B-28
B-29
B-30
B-31
B-32
8 9 10 11 12
24 25 26 27 28 29
42 43 44 45 46 47
1794-TB32 shown
Common
-V common
connected to
terminals 36, 38,
40, 42, 44, 46, 48,
and 50
13 14 15
A
30 31 32 33
B
NC
48 49 50 51
C
Supply
+V2 connected to
terminals 43, 45,
47, and 49
(1)