Allen-Bradley 1747-L543 – PLC processor

The Allen-Bradley 1747-L543 is a PLC processor from the SLC 500 series, specifically the SLC 5/04 controller, designed for industrial automation and machine control systems. It provides reliable processing capabilities and supports communication with industrial networks and peripheral devices.

The controller supports multiple I/O modules through the SLC 500 rack system and enables communication via Data Highway Plus (DH+) and RS-232 interfaces, allowing integration with other PLCs, HMIs and SCADA systems.

Technical overview:
• Series: SLC 500
• Model: 1747-L543
• Processor type: SLC 5/04 CPU
• Program memory: approx. 64 KB
• Communication ports:
– 1 × DH+ (Data Highway Plus)
– 1 × RS-232 serial port
• Max local I/O: up to approx. 4096 I/O points
• Backplane communication: SLC 500 rack backplane
• Battery-backed memory retention
• Mounting: SLC 500 rack installation
• Operating temperature: approx. 0°C to +60°C

Typical applications:
• Industrial machine control
• Manufacturing automation systems
• Process control installations
• PLC networked automation systems
• Production and assembly lines

About the manufacturer:
Allen-Bradley, part of Rockwell Automation, is one of the leading global manufacturers of industrial automation equipment. The company develops PLC systems, industrial networks, motion control technologies and automation platforms widely used in manufacturing industries worldwide.