Technical data

Publication 1794-2.1 - January 2000
FLEX I/O and FLEX Integra Product Data
24V dc 16 Sink Input Module Cat. No. 1794-IB16 67
24
V
dc
16
Sin
k
In
pu
t
Mo
dul
e Cat. No. 1794-IB16
Wiring
1794-IB16
24 VDC SINK INPUT
10234
5
67
2
98101112
13
14 15
40106
Recommended
Terminal Base
Compatible
Terminal Base(s)
TB3 TB3S
Input
Device
+
-
24V
COM
A-0
C-35
C-34
B-16
Opto
Isolation
Flexbus
Interface
40107
Typical Simplified Schematic for Input 0
TB3 or TB3S shown
1794-TB3 and -TB3S
Input Input Terminal Voltage Terminal Input Input Terminal Voltage Terminal
Input 0 A-0 C-35 Input 8 A-8 C-43
Input 1 A-1 C-36 Input 9 A-9 C-44
Input 2 A-2 C-37 Input 10 A-10 C-45
Input 3 A-3 C-38 Input 11 A-11 C-46
Input 4 A-4 C-39 Input 12 A-12 C-47
Input 5 A-5 C-40 Input 13 A-13 C-48
Input 6 A-6 C-41 Input 14 A-14 C-49
Input 7 A-7 C-42 Input 15 A-15 C-50
Common B-16 thru B-33 +24v dc C-34 thru C-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-TB3
1794-TB3S
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
01 0 1
A
B
C
A
B
C
0-15
16-33
34-51
2-Wire Device
(Sourcing Output)
2-Wire Row A and C
3-Wire Device
(Sourcing Output)
3-Wire Rows A, B, and C
= Sink Input
= Common
=24V dc
40876
2-Wire and 3-Wire Inputs to the
1794-IB16 Module