The Allen-Bradley 1757-PLX52 is a ProcessLogix Control Processor Module engineered for high-performance process control applications within the ControlLogix 1756 chassis ecosystem. Powered by a 100 MHz RISC processor and 2 MB of user memory, this module combines traditional distributed control system (DCS) architecture with programmable logic controller flexibility for complex process automation.
Technical Details
- Model / Part Number: 1757-PLX52
- Manufacturer / Brand: Allen-Bradley / Rockwell Automation
- Product Line: ProcessLogix / ControlLogix 1756 Chassis System
- Module Type: Process Control Processor Module
- Processor Speed: 100 MHz RISC Controller Engine
- User Memory: 2 MB SRAM Onboard Memory
- Backplane Current Draw: 1.5 A @ 5.1 VDC | 2.5 mA @ 24 VDC
- Power Dissipation: 7.8 W Max
- Battery Backup: 1756-BA1 Lithium Battery Assembly
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Relative Humidity: 5% to 95% Non-Condensing
- Lifecycle Status: Discontinued / Obsolete by OEM
- Shipping Weight & Dimensions: 1.8 lbs | 8 x 6 x 4 Inches
- Alternate Part Numbers: 1757-PLX52, 1757PLX52, 1757-PLX52/A, SER A
Key Features
- DCS Process Control Engine: Provides advanced continuous, regulatory, and sequential process control algorithms for industrial automation.
- 100 MHz RISC Processing: Delivers high-speed task execution, complex loop processing, and real-time data handling over the backplane.
- ControlLogix Chassis Integration: Fits directly into standard 1756 I/O chassis racks alongside communication modules and local I/O cards.
- Diagnostic Status Display: Features a front-panel alphanumeric LED display and LED indicators for CPU health, battery status, and fault diagnosis.
- Battery-Backed Memory: Keeps application code and process parameters preserved during system power loss.
Applications
- Continuous and batch process control in chemical, pharmaceutical, and oil & gas refining plants.
- DCS integration, legacy ProcessLogix system expansion, and field migration setups.
- Direct replacement and spare part maintenance for obsolete 1757 ControlLogix process controllers.
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