Allen-Bradley | 1747-L552 | SLC 500

Product Description: Allen-Bradley 1747-L552

The Allen-Bradley 1747-L552 is a programmable logic controller from the SLC 5/05 family within the SLC 500 series. It provides 32K words of user memory and features integrated Ethernet and DH-485 communication ports, making it suitable for mid-level automation systems requiring remote access and networking. The module offers reliable control for discrete and analog I/O applications and supports up to 4096 input and 4096 output points within a modular chassis-based architecture.

Key Features

• 32K words user memory
• Integrated 10/100 Mbps Ethernet port
• One DH-485 communication port
• Supports up to 4096 digital input and 4096 digital output points
• Compatible with up to 30 local I/O modules
• Floating-point math and advanced instruction support
• EEPROM or Flash memory backup capability
• Battery-backed RAM with real-time clock
• RSLogix 500 software programming support
• Front-panel LED indicators for status and diagnostics

Technical Specifications

• User Memory: 32K words
• Communication: 1 x Ethernet (RJ45), 1 x DH-485
• Max Local I/O: 30 modules
• I/O Address Capacity: 4096 inputs + 4096 outputs
• Communication Speed: 10/100 Mbps Ethernet
• Programming Software: RSLogix 500
• Backup Options: EEPROM or Flash memory module
• Battery: Yes, for data retention
• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Power Requirements: 1.0 A @ 5V DC, 0.020 A @ 24V DC
• Mounting: SLC chassis slot
• Certifications: UL, CE, CSA

Application Areas

• Industrial control systems with Ethernet communication
• Factory automation and machine control
• Packaging, assembly, and material handling
• Distributed automation systems
• Data acquisition and remote diagnostics
• Upgrades of legacy SLC 500 systems

Advantages

• Built-in Ethernet simplifies integration with SCADA and HMIs
• Medium memory capacity fits a wide range of applications
• Backward compatibility with existing SLC 500 hardware
• Scalable architecture for expansion
• Reliable operation in industrial environments