1747-L551C

Overview of Allen-Bradley 1747-L551C SLC 5/05 Processor

The Allen-Bradley 1747-L551C is a high-performance SLC 5/05 modular processor designed for industrial automation and control. It features 16KB of user memory, supports up to 4096 discrete I/O points, and can accommodate up to 3 chassis with 30 I/O slots. The processor includes built-in Ethernet and RS-232 communication ports, real-time clock, and supports runtime editing for flexible program management.

Key Features of Allen-Bradley - 1747-L551C

• Processor Memory: 16KB user memory with Flash ROM backup.
• I/O Capacity: Supports 4096 discrete I/O points and 480 analog I/O.
• Communication: Includes 10/100 Base-T Ethernet port and RS-232 port for versatile connectivity.
• Real-time Clock: Integrated clock and calendar for time-stamped control and logging.
• Programming: Supports runtime editing and advanced math instructions.
• High-speed Operation: Typical program scan time of 0.9 ms per K and I/O scan time of 0.225 ms.
• Environmental Specs: Operating temperature from 0 to 60°C and vibration resistance suitable for industrial environments.
• Certifications: UL 508, CSA C22.2 No. 142, CE compliant, IEC standards compliant.

Technical Specs of 1747-L551C

Applications / Use Case

The 1747-L551C processor is ideal for mid-range automation applications requiring modular I/O and high-speed processing. It is commonly used in manufacturing, process control, and material handling systems where networked communication and real-time operation are essential.