1753-L32BBBP-8A Allen‑Bradley Programmable controller

Description

1753-L32BBBP-8A Allen‑Bradley Programmable controller

Product Dimensions：

Product Detailed Description

The Allen-Bradley 1753-L32BBBP-8A is a Safety Controller from the GuardPLC 1800 series, manufactured by Rockwell Automation. This model appears to be a variant or closely related to the 1753-L32BBBM-8A, which is a well-documented safety programmable logic controller (PLC) with integrated Modbus communication capabilities. It is designed for industrial safety applications, providing high-speed processing and fault detection to ensure system reliability. The controller features 32 I/O points, including 24 digital inputs, 8 digital outputs, 8 analog inputs, and 2 high-speed counters, all operating on 24V DC power. It supports Modbus RTU slave communication and is part of a complete GuardPLC system, which includes Ethernet connectivity for safety-rated networks. The device is certified to meet global functional safety standards (e.g., SIL 3, PL e) and is optimized for detecting faults in control systems, automatically transitioning affected I/O to a safe state upon detection. Note that this product line has been discontinued by the manufacturer, so availability may be limited to surplus or refurbished units.

Product Parameters

The following table summarizes the key technical parameters and specifications for the Allen-Bradley 1753-L32BBBP-8A (based on equivalent GuardPLC 1800 series data):

These parameters ensure robust performance in demanding industrial environments, with built-in diagnostics for fault tolerance.

Product Advantages

The Allen-Bradley 1753-L32BBBP-8A offers several key advantages, particularly for safety-critical automation systems:

• High-Speed Performance: Achieves 10 ms PLC throughput, enabling rapid response times for safety functions, which minimizes machine stop times and enhances overall system efficiency.
• Integrated Safety and Standard Functionality: Combines safety-rated logic with standard PLC capabilities in a single device, reducing the need for separate controllers and simplifying system architecture.
• Fault Detection and Safe State Transition: Automatically detects faults in the microprocessor or system behavior and drives affected I/O to a predefined safe state, improving reliability and mean time between failures (MTBF).
• Versatile Communication Options: Supports Modbus RTU for integration with legacy systems and optional Ethernet/IP for high-speed, safety-rated networking, allowing seamless connectivity with other Allen-Bradley devices.
• Scalability and Expandability: As part of the GuardPLC family, it supports distributed I/O modules and hand-held terminals for easy commissioning, making it suitable for both simple and complex applications.
• Global Compliance: Meets worldwide PLC and functional safety standards (e.g., IEC 61508 SIL 3, ISO 13849-1 PL e), reducing certification efforts and ensuring broad applicability.
• Cost-Effective Design: Provides the highest I/O density in the GuardPLC 1800 series (32 points), optimizing space and reducing wiring costs compared to lower-density models.

Overall, it delivers superior speed, reliability, and integration, making it ideal for enhancing safety without compromising productivity.

Precautions and Notes

When using the Allen-Bradley 1753-L32BBBP-8A, observe the following precautions to ensure safe and optimal operation:

• Electrical Isolation: Inputs and outputs are not electrically isolated; use external isolation barriers if connecting to hazardous voltage sources to prevent ground loops or damage.
• Power Supply: Connect only to a stable 24V DC source rated for 8A. Avoid exceeding the output current ratings (0.5A or 1A per channel) to prevent overheating, especially at ambient temperatures above 60°C.
• Environmental Conditions: Operate within 0°C to 60°C and avoid exposure to excessive humidity, dust, or corrosive substances. Ensure proper ventilation to maintain thermal limits.
• Safety Programming: All safety-related functions must be programmed and verified by qualified personnel. Use Rockwell Automation’s GuardPLC programming software to ensure compliance with safety standards; improper configuration can lead to hazardous conditions.
• Fault Handling: The device automatically enters a safe state on fault detection, but regularly monitor diagnostics via the Ethernet port or Modbus. Do not bypass safety logic during troubleshooting.
• Installation and Wiring: Mount on a DIN rail in a grounded enclosure. Follow ESD (electrostatic discharge) precautions during handling. Use shielded cables for analog inputs to minimize noise.
• Discontinued Status: This product is discontinued; check for firmware updates or migration paths to newer GuardLogix controllers. Consult Rockwell Automation support for compatibility with legacy systems.
• Maintenance: Periodically inspect for wear; do not open the unit under power. Reset passwords or IP addresses using the built-in reset button only if necessary, as it may require re-commissioning.

Always refer to the official user manual (e.g., publication 1753-UM001) for detailed installation guidelines and risk assessments.

Product Applications

The Allen-Bradley 1753-L32BBBP-8A is designed for safety-critical industrial automation, particularly in environments requiring high reliability and fast response. Common applications include:

• Machine Safety Systems: Emergency stop circuits, safety door interlocks, two-hand controls, and light curtains for guarding hazardous machinery in manufacturing lines.
• Process Monitoring and Control: Sensing speed, direction, zero-speed detection, temperature, pressure, and flow in packaging, assembly, and material handling equipment.
• Motion Control: High-speed counters for encoder feedback in conveyor systems, robotics, and servo drives, ensuring safe operation during motion.
• Integrated Factory Automation: Part of larger PLC networks for automotive, food & beverage, and pharmaceutical industries, where it handles safety logic alongside standard control via Ethernet/IP.
• Hazardous Area Protection: Fault-tolerant control for presses, mills, and welding equipment, preventing accidents by monitoring safety devices like enabling switches and interlocking guards.
• Distributed Safety Networks: Expandable with GuardPLC I/O modules for multi-zone safety in large-scale facilities, such as warehouses or assembly plants.

This controller excels in scenarios demanding SIL 3/PL e compliance, providing a robust solution for preventing hazardous conditions while maintaining high productivity.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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