Brand:Allen Bradley PLC Item No.:Allen Bradley 1769-OB8 Product Origin:USA Product Dimensions:118 × 35 × 87 mm Product Weight:0.32 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 1769-OB8 is an 8-point 24V DC sourcing digital output module designed for CompactLogix and MicroLogix 1500 systems. It provides fast, reliable switching for industrial field devices in compact automation architectures where space efficiency, stable DC control, and modular expandability are essential.
Widely used in OEM machinery and factory automation systems, the 1769-OB8 is known for its solid-state output performance, simple wiring structure, and dependable integration within the Allen Bradley 1769 Compact I/O family.
Technical Specifications
Specification Item
Details
Manufacturer
Allen Bradley (Rockwell Automation)
Model Number
1769-OB8
Module Type
DC Digital Output Module
Product Family
1769 Compact I/O
Number of Outputs
8 outputs
Output Voltage Range
20.4–26.4V DC
Nominal Voltage
24V DC
Output Type
Sourcing transistor outputs
Output Groups
2 groups of 4 points
Maximum Current per Point
0.5 A
Maximum Current per Module
Approx. 2–4 A (application dependent)
Switching Speed
~0.1 ms ON response
Isolation Voltage
~510V AC / 720V DC (field-to-bus)
Backplane Current Draw
Approx. 145–200 mA @ 5V DC
Heat Dissipation
Low power dissipation (~2–3 W class)
Protection Features
Built-in electronic diagnostics (no full short-circuit protection)
Compatible Controllers
CompactLogix, MicroLogix 1500
Wiring Method
Removable terminal block
Mounting Type
DIN rail / panel mount
Operating Temperature
0°C to 60°C
Storage Temperature
-40°C to 85°C
Dimensions
Approx. 118 × 35 × 87 mm
Weight
Approx. 0.28–0.32 kg
Recommended Related Models
Related Model
Function
1769-OB16
16-point DC output module
1769-OB32
High-density 32-point DC output module
1769-OB16P
Protected DC output module
1769-OA8
AC output module
1769-OW8
Relay output module
1769-IQ16
Digital input module
Popular Allen Bradley Automation Products
Model
Category
1756 ControlLogix Series
High-performance PLC platform
5069 Compact 5000 Series
Next-generation controllers
1734 POINT I/O
Distributed I/O systems
PanelView Plus 7
Industrial HMI panels
Kinetix Servo Drives
Motion control systems
Stratix Ethernet Switches
Industrial networking
Industrial Applications
The 1769-OB8 is commonly deployed in compact automation systems where a small number of DC outputs must be controlled reliably.
Typical applications include:
Conveyor system control
Packaging machine actuation
Industrial relay switching
Solenoid valve control
Motor starter interfaces
Alarm and signaling systems
OEM machine panels
Small-scale automation stations
Its 8-channel design makes it ideal for localized control points or modular machine sub-sections.
Key Advantages
Compact and Efficient Design
The 8-point configuration provides just the right amount of output density for small to medium automation tasks without unnecessary space usage.
Fast Solid-State Switching
Designed for quick response times (~0.1 ms), enabling precise control of time-sensitive outputs in machine operations.
Seamless System Integration
Works directly with CompactLogix and MicroLogix 1500 systems for easy expansion and consistent programming environments.
Industrial Reliability
Built for continuous operation in harsh manufacturing environments with stable electrical performance.
Flexible Wiring Architecture
Grouped outputs simplify field wiring and reduce installation complexity in control cabinets.
Technical FAQs
1. What is the 1769-OB8 used for?
It is used to control 24V DC devices such as solenoids, relays, and indicators in industrial automation systems.
2. How many outputs does it have?
It provides 8 DC digital outputs.
3. What voltage does it support?
It operates at 24V DC nominal (20.4–26.4V DC range).
4. Is the output type sourcing or sinking?
It is a sourcing transistor output module.
5. What is the maximum current per output?
Each channel supports up to 0.5 A typical industrial load.
6. Does it include short-circuit protection?
It does not provide full electronic fuse protection like “P” variants.
7. What controllers are compatible?
It works with CompactLogix and MicroLogix 1500 platforms.
8. How are outputs grouped?
It has 2 groups of 4 outputs for simplified wiring and isolation.
9. Is it suitable for OEM machines?
Yes. It is widely used in OEM equipment and compact automation systems.
10. Why is the 1769-OB8 widely used?
Because it offers reliable DC switching, compact size, simple integration, and stable performance for small-scale industrial control applications.
