Specifications

Rockwell Automation Publication 1769-TD006E-EN-P - January 2015 75
1769 Compact I/O Modules Specifications
1769-OB32
Compact solid state 24V DC source output module
Table 69 - Technical Specifications - 1769-OB32
Attribute 1769-OB32
Outputs 32 (16 points/group)
Voltage category 24V DC source
Operating voltage range 20.4…26.4V DC
Output delay, on 0.1 ms
Output delay, off 1.0 ms
Current draw @ 5.1V 300 mA
Heat dissipation, max 4.5 W
Off-state leakage current, max
(1)
1.0 mA @ 26.4V DC
On-state current, min 1.0 mA
On-state voltage drop, max 1.0V DC @ 1 A
Current per point, max 0.5 A @ 60 °C (140 °F)
1.0 A @ 30 °C (86 °F)
Current per module, max 4.0 A @ 60 °C (140 °F)
8.0 A @ 30 °C (86 °F)
Surge current
(2)
2.0 A for 10 ms, repeatable every 2 s
+DC
24V DC
-DC
DC
COM 1
DC
COM 2
OUT 14
OUT 12
OUT 10
OUT 8
OUT 6
OUT 4
OUT 2
OUT 0
OUT 15
OUT 13
OUT 11
OUT 9
OUT 7
OUT 5
OUT 3
OUT 1
+VDC 1
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
+DC
24V DC
-DC
OUT 30
OUT 28
OUT 26
OUT 24
OUT 22
OUT 20
OUT 18
OUT 16
OUT 31
OUT 29
OUT 27
OUT 25
OUT 23
OUT 21
OUT 19
OUT 17
+VDC 2
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
1769-OB32
Simplified Output Circuit Diagram
Logic Side User Side
VCC
ASIC
VDC
OUT
COM
TR1
G
S
D