Technical data

Publication 1794-2.1 - January 2000
34 120V ac 8 Isolated Input Module Cat. No. 1794-IA8I FLEX I/O and FLEX Integra Product Data
120
V ac
8
Isola
ted
Inpu
t
Mod
ule
Cat. No. 1794-IA8I
Wiring
1794-IA8I
120V AC 8 ISOLATED INPUT
10234
5
67
8
40855
Recommended
Terminal Base
Compatible
Terminal Base(s)
TBN
TB2TB3 TB3S
40945
Flexbus
Interface
Input
Filter
Opto
Isolation
A-0
A-1
Input
Device
85-132V ac
Typical Simplified Schematic for Input 0
TB3, TB3S, or TB2 shown
(B-0)
(C-1)
Input Channel 1794-TB3, -TB3S, and -TB2 1794-TBN
Input Terminals 120V ac Common
L2
Input Terminals 120V ac Common
L2
0 A-0 A-1 B-0 C-1
1 A-2 A-3 B-2 C-3
2 A-4 A-5 B-4 C-5
3 A-6 A-7 B-6 C-7
4 A-8 A-9 B-8 C-9
5 A-10 A-11 B-10 C-11
6 A-12 A-13 B-12 C-13
7 A-14 A-15 B-14 C-15
A = even numbered input terminals 0 thru 14 for customer input connections;
corresponding odd numbered 120V ac common L2 terminals 1 thru 15 for
customer connections from isolated power supply
B = even numbered input terminals 0 thru 14 for
customer input connections
C = odd numbered terminals 1 thru 15 for 120V ac L2
common connections from isolated power supply
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