Allen-Bradley SLC500 Output Module 1746-OW8/A
The Allen-Bradley 1746-OW8/A is an 8-point relay output module designed for the SLC 500 series programmable logic controllers (PLCs). This module provides reliable switching capabilities for both AC and DC loads, making it suitable for a wide range of industrial automation applications.
Key Features
- Output Channels: 8 normally open (N.O.) relay contacts.
- Voltage Range: Operates with 5–125V DC or 5–265V AC loads.
- Current Ratings: Each output can handle up to 1.5 A at 120V AC or 1.2 A at 24V DC, with a maximum of 16 A per module.
- Signal Delay: Typical ON and OFF delay of 10 milliseconds.
- Isolation Voltage: 1500V AC isolation between relay contacts and backplane, ensuring safe operation.
- Backplane Current Consumption: 85 mA at 5V DC and 90 mA at 24V DC.
- Operating Temperature: 0°C to 60°C (32°F to 140°F).
- Certifications: UL, CE, CSA.
Applications
The 1746-OW8/A module is ideal for controlling various output devices such as motors, solenoids, and actuators in industrial automation systems. Its compatibility with both AC and DC loads, along with high isolation between outputs and the backplane, makes it versatile for applications in manufacturing, process control, and material handling.
Installation and Compatibility
This module is designed for easy integration into SLC 500 chassis and processors. It occupies a single slot in the chassis and is compatible with SLC 5/01, SLC 5/02, SLC 5/03, SLC 5/04, and SLC 5/05 controllers. Proper installation includes ensuring alignment in the chassis slot and operating within specified environmental conditions.
Maintenance and Safety
Regular inspection for dust or electrical wear is recommended to maintain optimal performance. The module should be installed in a clean, dry panel or cabinet, and power should be removed before any maintenance activities. Adhering to these guidelines ensures the longevity and reliability of the 1746-OW8/A module in your automation system.
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