Allen-Bradley 1747-L551: SLC 5/05 Ethernet Programmable Controller
The 1747-L551 from Allen-Bradley delivers advanced industrial control with integrated Ethernet connectivity. Rockwell Automation designed this high-performance processor for modern automation systems. This versatile controller handles complex applications with its robust communication capabilities and substantial processing power.
Core Technical Specifications
- Brand & Model: Allen-Bradley 1747-L551
- Processor Type: SLC 5/05 Programmable Logic Controller
- User Memory: 16K words standard capacity
- I/O Capacity: 4096 discrete inputs & 4096 discrete outputs
- Analog I/O: 480 points maximum capacity
- Scan Performance: 0.225ms I/O scan, 0.9ms/K program scan
- Communication Ports: 10/100Base-T Ethernet & RS-232
- Backplane Current: Specific draw at 5V/24V DC operation
- Memory Expansion: Supports 1747-M13 up to 64K backup
Performance & Environmental Specifications
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Operating Shock: 30G rating (3 pulses, 11ms duration)
- Non-Operating Shock: 50G withstand capability
- Vibration Resistance: 2.5G @ 5-2000Hz operational
- Humidity Range: 5% to 95% non-condensing
- Isolation Rating: 1500V AC backplane to I/O isolation
- Dielectric Withstand: 150V AC per UL 508 standards
Installation & Compatibility
- Installs exclusively in slot 0 of SLC 500 chassis
- Supports Remote I/O implementation with scanner modules
- Features built-in real-time clock and calendar functions
- Enables online programming and runtime editing capabilities
- Provides comprehensive status LED indicators for diagnostics
- For communication modules, consider the 1747-C13
- For alternative processors, explore the 1747-L524
Shipping & Package Contents
- Genuine Allen-Bradley 1747-L551 controller module
- Comprehensive installation and programming documentation
- Secure protective packaging materials
- Shipped via FedEx, UPS, or DHL express services
- 12-month performance warranty coverage
Expert Technical FAQs
- What Ethernet protocols does this controller support? It supports 10/100Base-T Ethernet with SNMP and BOOTP protocols for network communication.
- Can I expand the memory capacity beyond 16K words? Yes, with the 1747-M13 memory module, you can expand up to 64K words of backup memory.
- What communication features does the RS-232 port offer? The RS-232 port supports DF1 full duplex, half-duplex master, and radio modem configurations.
- How does this controller handle remote I/O applications? It supports Remote I/O technology with communication adapters and scanner modules for distributed systems.
- What indicates the need for battery replacement? The dedicated battery low LED illuminates when the 1747-BA backup battery requires replacement.
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