Title: Allen-Bradley 1747-L40F SLC 5/04 CPU Processor Module with 40K Memory and Flash Backup

Product Overview:
The Allen-Bradley 1747-L40F is a robust and highly reliable SLC 5/04 Central Processing Unit (CPU) module, designed as a core component for industrial automation systems utilizing the SLC 500 series programmable logic controllers. This advanced processor features a substantial 40K words of user memory, providing ample space for complex control programs and data storage. A critical advantage of the 1747-L40F is its integrated Flash memory, which automatically backs up the user program, ensuring data integrity and rapid recovery after power cycles, significantly reducing downtime in critical applications. Equipped with versatile communication capabilities including Data Highway Plus (DH+) and RS-232 ports, the 1747-L40F facilitates seamless integration into existing control networks and offers flexible connectivity for programming, human-machine interfaces (HMIs), and other peripheral devices. Ideal for demanding manufacturing, process control, and material handling environments, this CPU module delivers high-performance control, enhanced diagnostics, and the proven reliability synonymous with Allen-Bradley industrial automation solutions.

Key Features & Benefits:

High-Performance SLC 5/04 Processor: Delivers fast scan times and efficient execution of control logic for demanding industrial applications.
Generous 40K Words User Memory: Provides extensive capacity for complex programs, data tables, and user-defined functions, supporting sophisticated automation strategies.
Integrated Flash Memory Backup: Automatically stores the user program, ensuring non-volatile data retention and rapid system recovery after power loss, minimizing production interruptions.
Dual Communication Ports: Features a DH+ (Data Highway Plus) port for high-speed peer-to-peer communication and messaging, and an RS-232 port (supporting DF1 Full Duplex, DH-485, ASCII) for flexible programming, HMI connectivity, and peripheral integration.
Enhanced Data Integrity: The Flash memory capability significantly improves system reliability by protecting critical program data from unexpected power fluctuations.
Reduced Downtime: Quick program restoration from Flash memory enables faster startup and recovery, maximizing operational uptime.
Robust Industrial Design: Built to withstand harsh industrial environments, ensuring long-term reliability and performance in challenging conditions.
Comprehensive Instruction Set: Supports a wide range of control functions, including advanced math, PID control, and data manipulation, for versatile application development.
Built-in Diagnostics: Provides valuable diagnostic information to aid in troubleshooting and system maintenance, simplifying problem resolution.
Compatibility with RSLogix 500: Seamlessly integrates with Rockwell Software RSLogix 500 programming software for intuitive development, configuration, and monitoring.

Applications:

The Allen-Bradley 1747-L40F SLC 5/04 CPU is widely utilized across various industrial sectors requiring robust and reliable programmable logic control. Its capabilities make it suitable for:
Discrete Manufacturing: Assembly lines, machine control, packaging machinery, and material handling systems.
Process Control: Water and wastewater treatment plants, chemical processing, food and beverage production, and pharmaceutical manufacturing.
Automotive Industry: Body shops, paint shops, and final assembly lines.
Energy Management: Power generation, distribution, and monitoring systems.
Building Automation: HVAC control, security systems, and access control.
General Industrial Automation: Any application requiring a dependable and high-performance PLC for controlling machinery and processes.

Technical Specifications:

Part Number: 1747-L40F
Alternate Part Number: 1747L40F
Series: SLC 500, SLC 5/04 Processor
User Memory Size: 40K words (36K words configurable for data or program, 4K words for data only)
Memory Type: RAM with Flash Memory for Program Backup
Communication Ports:
Channel 0: RS-232 (DF1 Full Duplex, DH-485, ASCII)
Channel 1: Data Highway Plus (DH+)
Backplane Current Draw @ 5V DC: 1.0 A (typical)
Backplane Current Draw @ 24V DC: 0 mA
Programming Software: Rockwell Software RSLogix 500
Operating Temperature: 0 to 60°C (32 to 140°F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Relative Humidity: 5 to 95% non-condensing
Certifications: UL Listed, c-UL Listed, CE Marked
Weight: 0.68 kg (1.5 lbs)