Technical data

Publication 1794-2.1 - January 2000
36 120V ac 16 Input Module Cat. No. 1794-IA16 FLEX I/O and FLEX Integra Product Data
120
V ac
16
Inpu
t
Mod
ule
Cat.
No.
1794-IA16
Wiring
1794-IA16
120 VAC INPUT
10234
5
67
8
98101112
13
14 15
41061
Recommended
Terminal Base
Compatible
Terminal Base(s)
TB3
TBNTB3S
Auxiliary terminal strips are required
when using the TBN for the IA16
40945
Flexbus
Interface
Input
Filter
Opto
Isolation
A-0
B-16
Input
Device
85-132V ac
C-35
C-34
Typical Simplified Schematic for Input 0
TB3 or TB3S shown
Input Terminals 120V ac Supply Input Terminals 120V ac Supply
Channel TB3, TB3S TBN TB3, TB3S Channel TB3, TB3S TBN TB3, TB3S
0 A-0 B-0 C-35 8 A-8 B-8 C-43
1 A-1 C-1 C-36 9 A-9 C-9 C-44
2 A-2 B-2 C-37 10 A-10 B-10 C-45
3 A-3 C-3 C-38 11 A-11 C-11 C-46
4 A-4 B-4 C-39 12 1-12 B-12 C-47
5 A-5 C-5 C-40 13 A-13 C-13 C-48
6 A-6 B-6 C-41 14 A-14 B-14 C-49
7 A-7 C-7 C-42 15 A-15 C-15 C-50
A = Input terminals.
B = B-16 thru B-33 are internally connected together. Connect 120V ac common L2 to B-16.
C = Power terminals (C34 thru 51) are internally connected together. Connect 120V ac L1 to C-34.
16 0 2 4 6 8 10 12 14 33
34 1 3 5 7 9 11 13 15 51
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1716 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
51
50
1794-TBN
1794-TB3,
1794-TB3S
16 33
34 51
Even Numbered Terminals 0 thru 14
Odd Numbered Terminals 1 thru 15
16, 0, 2, 4, 6,
8. 10. 12. 14. 33
34, 1, 3, 5, 7,
9, 11, 13, 15, 51
B
C
B
C
A
0-15
16-33
34-51
40102