Technical data

Rockwell Automation Publication 1769-TD006C-EN-P - March 2012 79
1769 Compact I/O Modules Specifications
1769-OB32T
Compact solid state 24V DC source, terminated output module
Table 63 - Technical Specifications - 1769-OB32T
Attribute 1769-OB32T
Outputs 32 terminated (16 points/group)
Voltage category 24V DC source
Operating voltage range 10.2…26.4V DC
Output delay, on 0.5 ms
Output delay, off 4.0 ms
Current draw @ 5.1V 220 mA
Heat dissipation, max 4.76 W
Off-state leakage current, max
(1)
0.1 mA @ 26.4V DC
On-state current, min 1.0 mA
On-state voltage drop, max 0.3V DC @ 0.5 A
Current per point, max 0.5 A
Current per module, max 4.0 A
Surge current
(2)
2.0 A for 10 ms, repeatable every 2 s
Isolation voltage Verified by one of the following dielectric tests: 1200V AC for 2 s or 1697V DC for 2 s, output
point to bus
75V DC working voltage (IEC Class 2 reinforced insulation)
Weight, approx 230 g (0.51 lb)
Dimensions (HxWxD), approx 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in.)
Height with mounting tabs 138 mm (5.43 in.)
Slot width 1
Module location DIN rail or panel mount
Power supply 1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
+VDC 2
+VDC 2
+VDC 1
+VDC 1
V DC42 V DC42
1769-OB32T
VCC
ASIC
VDC
OUT
COM
TR1
G
S
D
Simplified Output Circuit Diagram
Logic Side User Side