Allen Bradley AB 1772-LG 635216-90 LP2 Firmware Processor Control Module 1772-LI

Allen-Bradley 1772-LG Processor Control Module

The Allen-Bradley 1772-LG is a Processor Control Module designed for integration with the PLC-2/30 programmable controller system. This module plays a pivotal role in managing and executing control operations within industrial automation environments.

Key Features

• On-Line Data Change and Programming: Facilitates real-time modifications and updates to control programs without halting system operations.
• Selectable Timed Interrupt: Allows for precise timing control, enabling the execution of specific tasks at predetermined intervals.
• Data Highway Interface: Ensures seamless communication between various system components, enhancing data exchange efficiency.
• Report Generation: Supports the creation of detailed reports, aiding in system analysis and performance monitoring.

Technical Specifications

• Compatibility: Specifically engineered for use with the PLC-2/30 controller system.
• Memory: Equipped with CMOS memory for reliable storage of program instructions, I/O status updates, and numerical data.
• Block Transfers: Capable of handling up to 50 read or write block transfers, ensuring efficient data processing.

Applications

The 1772-LG module is versatile and can be employed in a variety of industrial applications, including:

• Process control
• Material handling
• Pollution control and monitoring
• Measurement and gauging tasks

Operational Considerations

When utilizing the 1772-LG module, it’s essential to be aware of potential issues related to power supply configurations. Specifically, when local I/O racks are powered by certain power supplies, the module may encounter challenges during power recovery, potentially leading to processor faults. In such instances, power cycling the processor or adjusting the keyswitch position can help restore normal operations.

For optimal performance and longevity, ensure that the 1772-LG module is installed and maintained according to the manufacturer’s guidelines, and that it is used within the specified operational parameters.