Allen-Bradley | 1747-L553 | SLC 500

Product Description: Allen-Bradley 1747-L553

The Allen-Bradley 1747-L553 is an SLC 5/05 processor module used in SLC 500 modular control systems. It includes built-in Ethernet and DH-485 communication capabilities, making it suitable for mid-range automation tasks with networking and data exchange requirements. The controller provides 64K words of user memory and supports up to 4096 I/O points, delivering solid performance for discrete, analog, and data-handling applications.

Key Features

• 64K words user memory
• Built-in Ethernet (10/100 Mbps) and DH-485 ports
• Compatible with up to 30 local I/O modules
• Supports 4096 input and 4096 output points
• Advanced instruction set with floating-point math
• EEPROM or Flash memory support for non-volatile storage
• Supports RSLogix 500 programming software
• Battery-backed RAM for data retention
• Real-time clock for scheduling and time stamping
• LED indicators for module status and diagnostics

Technical Specifications

• User Memory: 64K words
• Communication Ports: 1 x Ethernet (RJ45), 1 x DH-485
• I/O Capacity: 4096 inputs + 4096 outputs
• Max Local I/O Modules: 30
• Communication Rate: 10/100 Mbps (Ethernet)
• Programming Software: RSLogix 500
• Battery: Yes, for RAM backup
• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Power Consumption: 1.0 A @ 5V DC, 0.020 A @ 24V DC
• Mounting: SLC chassis slot
• Certifications: UL, CE, CSA

Application Areas

• Factory and machine automation
• Packaging and material handling systems
• Utility and energy monitoring systems
• Legacy system expansions and upgrades
• Equipment requiring Ethernet-enabled PLCs
• Small to medium-sized distributed control systems

Advantages

• Built-in Ethernet enables efficient data exchange and remote programming
• High memory capacity for data-intensive applications
• Supports both discrete and analog I/O for flexible configurations
• Proven reliability in industrial environments
• Easy migration path within the SLC 500 family