Description
Allen-Bradley 1747-L551 Programmable Logic Controller for Industrial Automation
The Allen-Bradley 1747-L551 is a compact yet powerful PLC designed to streamline automation tasks in small to medium-sized industrial setups. From my experience, it seems to be a favorite among engineers who need reliable performance without overcomplicating their control systems.
Key Features
- Integrated Communication Ports: Equipped with RS-232 and DH-485 ports, this PLC ensures seamless connectivity with other devices and networks.
- Expandable I/O Capacity: Supports up to 64 local I/O modules, making it adaptable for various applications.
- User-Friendly Programming: Compatible with RSLogix 500 software, which simplifies ladder logic programming even for beginners.
- Compact Design: Its small footprint allows it to fit into tight control cabinets, saving valuable space on the factory floor.
Technical Specifications
| Specification | Details |
|---|---|
| Brand/Model | Allen-Bradley 1747-L551 |
| HS Code | 85371090 |
| Power Requirements | 120V AC / 24V DC |
| Dimensions & Weight | 8.5 x 4.5 x 3.5 inches, 1.2 kg |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Signal Input/Output Types | Digital Inputs/Outputs, Analog Options Available |
| Communication Interfaces | RS-232, DH-485 |
| Installation Method | DIN Rail Mounting |
Application Fields
This model is typically used in industries like food processing, packaging lines, and material handling systems. One thing I appreciate is how well it handles repetitive tasks while maintaining precision. For example, you might notice that its ability to manage conveyor belt operations makes it ideal for sorting facilities where timing is critical.
Advantages & Value
From a procurement perspective, the 1747-L551 offers excellent value due to its balance of cost and functionality. It’s compatible with existing Allen-Bradley systems, reducing integration headaches. Additionally, spare parts are widely available, which helps keep downtime to a minimum. While some newer models may have more advanced features, this unit still holds its ground in reliability and ease of maintenance.
Installation & Maintenance
For installation, ensure your control cabinet meets standard ventilation requirements to prevent overheating. Wiring should follow NEC guidelines, and proper grounding is essential for safe operation. Routine maintenance includes periodic firmware updates via RSLogix 500 and cleaning dust from vents using compressed air. Calibration checks every six months can help maintain optimal performance.
Quality & Certifications
The Allen-Bradley 1747-L551 complies with CE, UL, and RoHS standards, ensuring both safety and environmental responsibility. The manufacturer provides a one-year warranty, covering defects in materials and workmanship under normal use conditions.
Reviews
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