Technical data

Publication 1794-2.1 - January 2000
FLEX I/O and FLEX Integra Product Data
16 Sink Input Module Cat. No. 1793-IB16 and -IB16S 53
16 Sink Input Module Cat. No. 1793-IB16 and -IB16S
Wiring
Example of 2-Wire and 3-Wire Sensors
1793-IB16
0 1 2 3 4 5 6 7 8 9 10 11 14 15
12 13
24 VDC SINK INPUT
41812
Typical Simplified Schematic for Input 0
Input
Device
+
-
24V
COM
A-0
V
V
COM
Opto
Isolation
Flexbus
Interface
41501
Channel Input Common Channel Input Common
0A-0
connect to
corresponding
terminal on row
B
8A-8
connect to
corresponding
terminal on row
B
1A-1 9A-9
2 A-2 10 A-10
3 A-3 11 A-11
4 A-4 12 A-12
5 A-5 13 A-13
6 A-6 14 A-14
7 A-7 15 A-15
+24V dc Power terminals V are internally connected together in the module.
24V dc
common
Common terminals COM are internally connected together in the
module.
01 2345678 9101112131415COM
COM
VV
0 123456789101112131415
VV
COM
COM
1793-IB16
1793-IB16S
Where: C = common, V = +24V dc power, 0-15 = inputs
41816
41814
A
B
B
A
ATTENTION
!
Total current draw through the terminal base
unit is limited to 10A. Separate power
connections may be necessary.
A
B
0123456789101112131415COM
COM
VV
3-wire sensor
2-wire sensor
41818