Allen-Bradley SLC500 Output Module 1746-OB16/D
The Allen-Bradley 1746-OB16/D is a 16-point DC output module designed for integration with the SLC 500 series programmable logic controllers (PLCs). This module provides reliable and efficient control over DC-powered devices, making it suitable for various industrial automation applications.
Key Features
- Output Channels: 16 individually sourced outputs.
- Voltage Range: Operates within a 10-50V DC range, accommodating a variety of DC devices.
- Current Capacity: Each output can handle up to 0.5 A at 30°C (86°F) and 0.25 A at 60°C (140°F).
- Fast Switching: Features an ON signal delay of 0.1 ms and an OFF signal delay of 1.0 ms, ensuring rapid response times.
- Backplane Current: Draws 280 mA at 5V DC, ensuring efficient power usage.
- Heat Dissipation: Generates 7.6 Watts, maintaining optimal operating temperatures.
- Isolation: Provides 1500V AC isolation between the backplane and outputs, enhancing system safety.
- Environmental Tolerance: Operates within a temperature range of 0 to 60°C (32 to 140°F) and can withstand humidity levels from 5% to 95% non-condensing.
Applications
The 1746-OB16/D module is ideal for controlling various DC-powered devices such as:
- Solenoids
- Relays
- Indicator lamps
- Other industrial actuators
Its high-speed switching capabilities and robust design make it a reliable choice for demanding industrial environments.
Installation and Compatibility
This module is designed for easy installation into any available slot within the 1746 I/O Chassis, excluding the leftmost slot reserved for the processor or communication module. It seamlessly integrates with the SLC 500 series, ensuring compatibility and ease of use.
Additional Information
For optimal performance, ensure that the system power supply can accommodate the module’s current draw. Proper installation and adherence to environmental specifications will contribute to the longevity and reliability of the module in your automation system.

















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