1747-L543 (64K)

Overview of Allen-Bradley 1747-L543

The Allen-Bradley 1747-L543 is a SLC 5/04 modular processor designed for medium to large-scale control applications in the SLC 500 family. It features 64 KB of battery-backed user memory capable of supporting up to 4096 discrete inputs and 4096 discrete outputs, along with 480 analog I/O points. This processor offers advanced control capabilities including PID control, Motion Control, and complex logic execution.

Key Features

• 64 KB user memory with battery-backed RAM for program and data retention
• Supports up to 4096 discrete inputs and 4096 discrete outputs
• Supports 480 analog input/output points
• Communicates via Data Highway Plus (DH+) and RS-232 serial ports
• Program scan time approximately 0.9 ms per 1K instructions
• Typical I/O scan time: 0.225 milliseconds
• Advanced control features like PID, Motion, and Position control
• Supports distributed I/O configurations with up to 3 I/O chassis and 30 slots maximum
• Operating temperature range: 0 to 60 °C (32 to 140 °F)
• Vibration & shock resistant for rugged industrial environments
• Open-style enclosure for mounting in standard SLC 500 racks

Technical Specifications

Applications

The 1747-L543 processor is suitable for complex industrial automation tasks, including manufacturing, process control, and machinery automation requiring a high number of I/O points and advanced control features. It supports distributed I/O topology to reduce wiring complexity and enhance system scalability in large control systems.