Allen Bradley 1746-A10 /B SLC 500 10-Slot Rack

Allen-Bradley 1746-A10 SLC 500 10-Slot Chassis

The Allen-Bradley 1746-A10 is a 10-slot chassis designed for the SLC 500 Modular Programmable Logic Controller (PLC) system. It serves as the foundational hardware for housing and interconnecting various SLC 500 modules, facilitating efficient and reliable industrial automation solutions.

Key Features

• 10-Slot Capacity: Accommodates up to ten SLC 500 modules, including processors, I/O modules, and specialty modules, allowing for flexible system configurations.
• Dedicated Power Supply Slot: Features a separate slot at the leftmost position specifically for the SLC 500 power supply, ensuring proper power distribution across all modules.
• Expansion Capability: Supports system expansion through the use of 1746-C9 and 1746-C7 expansion cables, enabling the connection of up to three chassis for a total of 30 modules. Each chassis requires its own dedicated power supply.
• Durable Construction: Built to withstand industrial environments, ensuring longevity and consistent performance.
• Panel Mounting: Designed for secure panel mounting, optimizing space utilization within control cabinets.

Technical Specifications

• Manufacturer: Allen-Bradley
• Product Number: 1746-A10
• Series: SLC 500
• Module Slots: 10
• Backplane Current: 5.1V DC at 10A; 24V DC at 2.88A
• Operating Temperature: 0°C to +60°C (32°F to 140°F)
• Storage Temperature: -40°C to +85°C (-40°F to 185°F)
• Dimensions: 6.73 x 15.34 x 5.71 inches (17.1 x 39.7 x 14.5 cm)
• Weight: Approximately 3.3 lbs (1.5 kg)

Installation Guidelines

• Ensure a clearance of 6.0 inches (15.3 cm) above and below the chassis for proper ventilation.
• Maintain a side clearance of 4.0 inches (10.2 cm) to facilitate module installation and maintenance.
• When installing adjacent to another chassis, provide a clearance of 3.0 to 4.0 inches (7.7 to 10.2 cm).
• Use M4 or M5 screws with star washers for secure mounting.
• Implement proper grounding using a ground bar or central grounding system to ensure electrical safety.

The Allen-Bradley 1746-A10 chassis is a robust and versatile component essential for building and expanding SLC 500 PLC systems, offering the flexibility and reliability required for diverse industrial automation applications.