Technical data

Publication 1794-2.1 - January 2000
32 120V ac 8 Input Module Cat. No. 1794-IA8 FLEX I/O and FLEX Integra Product Data
120
V ac
8
Inpu
t
Mod
ule
Cat.
No.
1794-IA8
Wiring
1794-IA8
120V ac INPUT
10234
5
67
8
40101
Recommended
Terminal Base
Compatible
Terminal Base(s)
TBN
TB2TB3 TB3S
Typical Simplified Schematic for Input 0
TB3, TB3S, or TB2 shown
Flexbus
Interface
Input
Filter
Opto
Isolation
C-34
A-1 (C-1)
A-0 (B-0)
B-16
Input
Device
L-1
85-132V ac
Common-L2
30231
Input Channel 1794-TB3, -TB3S, and -TB2 1794-TBN
Input Terminals 120V ac Supply Input Terminals 120V ac Supply
0A-0
A-1
1
/C-35
B-0
C-1
2
1A-2
A-3
1
/C-37
B-2
C-3
2
2A-4
A-5
1
/C-39
B-4
C-5
2
3A-6
A-7
1
/C-41
B-6
C-7
2
4A-8
A-9
1
/C-43
B-8
C-9
2
5A-10
A-11
1
/C-45
B-10
C-11
2
6A-12
A-13
1
/C-47
B-12
C-13
2
7A-14
A-15
1
/C-49
B-14
C-15
2
A = input terminals
B = common terminals
C = Power terminals (C-34 thru 51)
B = even numbered terminals 0 thru 14, ac common
terminals 16 and 33
C = Power Terminals C-34 and C-51, and odd numbered
terminals 1 thru 15
1 A-1, 3, 5, 7, 9, 11, 13 and 15 on 1794-TB3, -TB3S, and -TB2 are internally connected in the module to 120V ac L1.
2 C-1, 3, 5, 7, 9, 11, 13 and 15 on 1794-TBN are internally connected in the module to 120V ac L1.
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,
1794-TB2
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
34 and 51
for TB2