Description
Allen-Bradley 1747-L553 SLC 5/05 High-Memory Processor
Discover the power of the 1747-L553 from Rockwell Automation, the top-tier SLC 500 series CPU. This module delivers superior performance for complex industrial automation tasks with its expansive memory. Download the full manual to explore all its advanced capabilities.
Download the Complete Product Manual Here
Core Technical Specifications
- Brand & Manufacturer: Allen-Bradley by Rockwell Automation
- Model Number: 1747-L553
- Product Series: SLC 500 / SLC 5/05
- Total Digital I/O Capacity: 8192 points (4096 In / 4096 Out)
- Analog I/O Capacity: 480 points
- User Memory Capacity: 64,000 Words (64 KB Battery-Backed RAM)
- Program Scan Speed: 0.9 ms per K of logic
- I/O Update Time: 0.225 milliseconds
- Backplane Current Load: 1.0A @ 5V DC
Communication & Networking
- Integrated Ports: 10/100 Base-T Ethernet & RS-232 (9-pin D-sub)
- Ethernet Protocols: Supports BOOTP, SNMP, and explicit messaging
- RS-232 Protocols: DF1 Full-Duplex, Half-Duplex Master, Radio Modem
- Supported Networks: Ethernet, Remote I/O, DeviceNet, DH+, DH485
- Isolation Rating: 500V DC between communication circuits
Environmental Ratings & Durability
- Operating Temperature Range: 0 to 60°C (32 to 140°F)
- Storage Temperature Range: -40 to 85°C (-40 to 185°F)
- Operating Humidity: 5 – 95% (non-condensing)
- Operating Shock Resistance: 30G (11ms duration, 3 pulses)
- Operating Vibration Immunity: 2.5G (5-2000 Hz)
- Dielectric Withstand: 1500V AC (Backplane to I/O isolation)
Packaging & Shipping Information
- Genuine Allen-Bradley 1747-L553 SLC 5/05 Processor Module
- We ship globally using FedEx, UPS, and DHL for reliable delivery.
Expert Frequently Asked Questions
- Q: What makes the 1747-L553 different from other SLC 5/05 processors?
A: The 1747-L553 offers the largest user memory in the series at 64K words, making it ideal for large, complex applications. - Q: Can this processor communicate with modern ControlLogix or CompactLogix systems?
A: Yes, it can send explicit messages via Ethernet to other Allen-Bradley PLC platforms like ControlLogix and CompactLogix. - Q: What is the execution time for a bit instruction on this CPU?
A: It executes bit instructions very quickly, in just 0.37 microseconds. - Q: Does the integrated Ethernet port support auto-negotiation?
A: Yes, the 10/100 Base-T port auto-negotiates speed and duplex for easy network integration. - Q: How is the memory partitioned between program and data?
A: The 64K word memory is split into 60K words for user program and 4K words dedicated to data storage.
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