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The 1769-OB16 is a high-density digital output module designed for the Allen-Bradley CompactLogix platform. It provides 16 sourcing DC output channels, enabling reliable switching control between the PLC and field devices such as solenoid...
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The 1769-OB16 is a high-density digital output module designed for the Allen-Bradley CompactLogix platform. It provides 16 sourcing DC output channels, enabling reliable switching control between the PLC and field devices such as solenoid valves, relays, motor starters, and indicator lights. The module converts digital control commands from the controller into discrete DC output signals for industrial actuators.
Engineered for efficient control cabinet integration, the 1769-OB16 features a compact modular design that supports high-density I/O installations on standard DIN rail or panel-mounted systems. Each output channel includes integrated status LEDs, allowing technicians to instantly verify output states during commissioning, diagnostics, or maintenance operations.
Built with opto-isolated circuitry between the field side and the backplane, the module helps protect the controller and maintain signal integrity in electrically noisy industrial environments. This architecture improves system reliability and reduces the risk of damage caused by field-side disturbances.
| Parameter | Specification |
|---|---|
| Model Identification | 1769-OB16 |
| Manufacturer | Allen-Bradley |
| Output Type | 16-point sourcing DC digital output |
| Signal Voltage | 24V DC (nominal) |
| Backplane Current | 250 mA at 5V DC |
| Module Dimensions (H × W × D) | 118 mm × 35 mm × 87 mm |
| Net Weight | 0.28 kg |
Discrete Load Switching
Used to control DC-powered solenoids, relays, and contactor coils in automated machinery and industrial process equipment.
Indicator Control
Provides digital control signals for stack lights, panel indicators, alarm lamps, and status displays within control panels.
System Expansion
Enables high-density discrete output expansion in CompactLogix-based automation systems, ideal for installations where cabinet space is limited.
What is the difference between the 1769-OB16 and the 1769-OB16P?
The 1769-OB16 is a standard digital output module. The 1769-OB16P variant includes integrated electronic protection, such as short-circuit and overload protection for each output channel, enhancing field device protection.
Can the 1769-OB16 be used in a 120V AC circuit?
No. The module is designed strictly for DC-powered loads. Applying AC voltage to the output terminals may permanently damage the module’s internal solid-state switching circuitry.
