Technical data

Publication 1794-2.1 - January 2000
FLEX I/O and FLEX Integra Product Data
24V dc 16 Source Input Module Cat. No. 1794-IV16 69
24
V
dc
16
So
urc
e
In
pu
t
Mo
dule Cat. No. 1794-IV16
Wiring
1794-IV16
24 VDC SOURCE INPUT
10234
5
67
2
98101112
13
14 15
40109
Recommended
Terminal Base
Compatible
Terminal Base(s)
TB2 TB3 TB3S
C-34
B-16
B-17
A-0
24V
+
-
Input
Device
Opto
Isolation
Flexbus
Interface
40110
Typical Simplified Schematic for Input 0
TB3, TB3S, or TB2 shown
1794-TB3, -TB3S, and -TB2
Input Input Terminal Common Terminal Input Input Terminal Common Terminal
Input 0 A-0 B-17 Input 8 A-8 B-25
Input 1 A-1 B-18 Input 9 A-9 B-26
Input 2 A-2 B-19 Input 10 A-10 B-27
Input 3 A-3 B-20 Input 11 A-11 B-28
Input 4 A-4 B-21 Input 12 A-12 B-29
Input 5 A-5 B-22 Input 13 A-13 B-30
Input 6 A-6 B-23 Input 14 A-14 B-31
Input 7 A-7 B-24 Input 15 A-15 B-32
Common B-16 thru B-33 24v dc C-34 thru C-51 (C-34 and C-51 for TB2)
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-TB3
1794-TB3S
1794-TB2
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0-15
16-33
34-51
A
B
C
30233
34 and 51
for TB2
40111
2-wire and 3-wire
Inputs to the 1794-IV16
FLEX I/O Module
0-15
16-33
34-51
A
B
C
A
B
C
= Source Input
= Common
= 24V dc
01
0
1
2-Wire Device
(Sinking Output)
3-Wire Device
(Sinking Output) (TB3,
TB3S)