Allen-Bradley 1769-OB32 PLC Output Module
Compact I/O Series - 32-Channel DC Output Module
High-density, high-speed isolated DC switching output module designed for driving solenoid valves, relays, indicator lights, and other industrial control devices.
Product Overview
Brand: Allen-Bradley (Rockwell Automation)
Series: Compact I/O Series
Product Type: 32-Channel 24V DC Source/PNP Transistor Output Module
Compatible Controllers: CompactLogix 1769, MicroLogix 1500
Lifecycle Status: Active Mature
Electrical Specifications
Output Channels
32 channels organized in 2 groups of 16 points with isolation between groups
Output Characteristics
| Parameter |
Specification |
| Output Type |
Source (PNP) MOSFET |
| Operating Voltage |
20.4–26.4 V DC (nominal 24V DC) |
| Single Channel Current @ 30°C |
Maximum 1.0 A continuous |
| Single Channel Current @ 60°C |
Maximum 0.5 A continuous |
| Total Current Limit @ 30°C |
Module maximum 16 A |
| Total Current Limit @ 60°C |
Module maximum 8 A (8 A per common terminal) |
| Inrush Current |
2 A for 10 ms, once every 2 seconds |
| Response Time |
On: 0.1 ms; Off: 1.0 ms |
Protection & Isolation
- Short circuit/overload protection per channel
- Opto-isolation between output and backplane
- Isolation withstand voltage: 1200V AC (2s) / 1697V DC (2s)
System Integration
- Bus: 1769 local backplane bus
- Power Supply: 5V DC (0.3A, backplane powered)
- External Power: No 24V auxiliary power required
- Programming Software: RSLogix 5000 / Studio 5000 Logix Designer
- Status Indication: 1 green LED per channel for ON/OFF status
- Hot-swap: Supported (requires system configuration permission)
Physical Specifications
| Parameter |
Specification |
| Installation |
35mm DIN rail |
| Slot Requirement |
1.5 standard slots |
| Dimensions |
118 * 52.6 * 87 mm (4.65 * 2.07 * 3.43 in) |
| Weight |
Approx. 0.36 kg (0.79 lbs) |
| Operating Temperature |
0°C to 60°C |
| Storage Temperature |
-40°C to 85°C |
| Protection Rating |
Open type, suitable for NEMA 1/12/13 racks |
Certifications & Compliance
UL, CSA, CE, ATEX, Class I Div 2, and other industrial certifications