1756-OA8E | Allen-Bradley ControlLogix AC Output Module Supplier
Introduction:
The 1756-OA8E from Allen-Bradley is an electronically fused AC output module with 8 channels, designed for reliable industrial automation control.
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Introduction to the 1756-OA8E
When industrial processes demand precise and reliable AC output control, the 1756-OA8E from Allen-Bradley steps in as a robust solution. This module is part of the ControlLogix series, engineered to handle demanding automation tasks with eight electronically fused output channels. It operates within a voltage range of 74-132 Volts AC, making it suitable for a variety of 120 VAC applications. The 1756-OA8E ensures consistent performance in environments where uptime is critical.
Key Features and Technical Specifications
- The 1756-OA8E features eight electronically fused output channels for enhanced protection.
- It supports a nominal output voltage of 120 VAC with an operating range of 74-132 VAC at 47-63 Hz.
- Each output point delivers a maximum current of 2 Amps at 60 degrees Celsius.
- The module's total output current is 8 Amps at 30 degrees Celsius and 4 Amps at 60 degrees Celsius.
- Power dissipation is rated at 5.5 Watts at 60 degrees Celsius, ensuring efficient thermal management.
- Backplane current draw is 200 milliamps at 5 Volts and 250 milliamps at 24 Volts.
A standout feature is the electronic fusing on each channel, which provides individual protection against overcurrent conditions. This design minimizes downtime by isolating faults without affecting other outputs.
Applications and Use Cases
In manufacturing environments, the 1756-OA8E excels at controlling AC loads such as motors, solenoids, and lighting systems. For example, in a packaging line, this module can manage multiple actuators with precision, thanks to its electronically fused outputs. The module's ability to handle up to 8 Amps total current makes it ideal for medium-duty applications where reliability is paramount. Additionally, its two groups of four outputs allow for flexible wiring configurations.
Installation and Setup
Installing the 1756-OA8E is straightforward. Simply insert it into any available slot in a ControlLogix chassis. Ensure the backplane power supply meets the module's requirements: 200 mA at 5.1 VDC and 250 mA at 24 VDC. Use a compatible removable terminal block, such as the 1756-TBNH or 1756-TBSH, for wiring connections. Always verify that the operating voltage range (74-132 VAC) matches your application before powering up.
Maintenance and Reliability
Routine inspection of the 1756-OA8E involves checking for signs of overheating or loose connections. The module's electronic fusing reduces the need for frequent fuse replacements, lowering maintenance costs. Operating within the specified temperature range (0 to 60 degrees Celsius) and humidity conditions (5-95% non-condensing) ensures long-term reliability. For optimal performance, keep the enclosure clean and free from contaminants.
Compatibility and Integration
The 1756-OA8E integrates seamlessly with the ControlLogix platform. It communicates via the backplane, requiring no additional protocol configuration. The module is compatible with any 1756 chassis and works with standard ControlLogix controllers. For wiring, use the recommended terminal blocks to ensure secure connections.
Frequently Asked Questions
Q: What is the output voltage range of the 1756-OA8E?
A: The output voltage range is 74-132 Volts AC at 47-63 Hz.
Q: How many output channels does the 1756-OA8E have?
A: It has eight electronically fused output channels.
Q: What is the maximum current per output point?
A: Each output point can handle up to 2 Amps at 60 degrees Celsius.
Q: Does the 1756-OA8E require a special terminal block?
A: Yes, it uses a removable terminal block, such as the 1756-TBNH or 1756-TBSH.
Q: What is the power dissipation of the module?
A: Maximum power dissipation is 5.5 Watts at 60 degrees Celsius.
Q: Can the 1756-OA8E be used in high-temperature environments?
A: Yes, it operates up to 60 degrees Celsius with derating for current.
Product Support and Availability
The 1756-OA8E is available for purchase at PetroPartsOnline. In stock and ready to ship, this module is a reliable choice for your automation needs. Contact PetroPartsOnline for current lifecycle status and availability.