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1747-L553 Ser.B

1747-L553 Ser.B

Manufacturer: ALLEN BRADLEY

Condition: New and Unused, Surplus.

Price: Available on Request

Overview of Allen Bradley 1747-L553

The Allen Bradley 1747-L553 is a modular processor from the SLC 500 and SLC 5/05 series, designed by Rockwell Automation to support demanding industrial automation and control applications. This CPU is known for its robust architecture, high-speed processing, and flexible communication options. It offers an integrated CMOS RAM with battery backup and is compatible with the 1747-M13 memory module for additional storage, making it a reliable choice for systems where uptime and data integrity are crucial. With support for up to 4096 discrete I/O and 480 analog I/O points, the 1747-L553 handles complex automation tasks in manufacturing, material handling, and process control environments. Its Ethernet and RS-232 ports enable easy integration with diverse control networks, supporting up to 64 simultaneous network connections.

Key Features of Allen Bradley 1747-L553

  • SLC 5/05 series modular processor with 64 KB of battery-backed CMOS RAM
  • Supports up to 4096 discrete inputs and outputs, plus 480 analog I/O
  • Program scan time of 0.9 ms per K, I/O scan time of 0.225 milliseconds
  • Configurable for up to 3 local I/O chassis and 30 module slots
  • Ethernet and RS-232 communication ports, with DH-485 and DF1 protocol support
  • Built-in real-time clock, floating-point math, and advanced PLC-5 instruction set
  • Flash EPROM and battery-backed RAM for secure program and data storage
  • Operates in temperatures from 0 to 60 degrees Celsius
  • Software compatibility with RSLogix 5000 for programming and diagnostics
  • Compact design suitable for panel or rack mounting

Technical Specs of 1747-L553

Attribute Specification
Manufacturer Rockwell Automation / Allen Bradley
Series SLC 500 / SLC 5/05
Memory 64 KB (user memory 64,000 words)
Discrete I/O 4096 inputs / 4096 outputs
Analog I/O Up to 480
Max Chassis 3
Max Slots 30
Scan Time 0.9 ms/K (program), 0.225 ms (I/O)
Communication Ethernet, RS-232 (DH-485, DF1, ASCII)
Backup Memory 1747-M13 (64 KB expansion), battery-backed RAM, Flash EPROM
Operating Temp 0 to 60°C
Input Voltage 1 Amp @ 5V DC, 0 mA @ 24V DC
Relative Humidity 5 to 95% non-condensing
Operating Shock 30 g

Applications / Use Case

The Allen Bradley 1747-L553 is engineered for medium to large-scale automation projects where reliability, scalability, and network integration are essential. Typical uses include conveyor controls, packaging lines, batch processing, and material sorting systems in industrial plants. Its advanced communication features make it suitable for distributed control architectures and SCADA applications. The processor's ability to manage thousands of I/O points, along with fast scan times, ensures responsive system performance in real-time environments. With Ethernet connectivity, the 1747-L553 fits well into modern plant networks, supporting remote monitoring, data collection, and integration with higher-level management systems. Its rugged design and broad environmental tolerance allow deployment in a range of industrial settings.

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