Allen-Bradley 1785-L11B PLC-5/11 Processor Module

The Allen-Bradley 1785-L11B PLC-5/11 Processor Module is a highly reliable and robust processor designed to deliver outstanding performance in demanding industrial automation systems. As part of the PLC-5 family, this processor is specifically engineered for advanced control, monitoring, and data processing applications. The 1785-L11B processor ensures precise execution of control programs and efficient data handling, making it an ideal choice for a wide range of industrial automation needs.

Engineered for flexibility and scalability, this processor module provides seamless integration with other Allen-Bradley devices and PLC systems. Whether you're operating complex manufacturing equipment, managing large control systems, or upgrading legacy systems, the 1785-L11B PLC-5/11 is built to enhance operational efficiency and system performance.

Key Features & Benefits

• High Performance: The 1785-L11B offers fast processing speeds and is capable of handling large, complex control programs, ensuring high system uptime and quick response times in real-time applications.

• Seamless Integration: With its compatibility across multiple Allen-Bradley PLC systems, this processor module can easily integrate into existing control setups, providing a reliable upgrade option for legacy PLC systems.

• Enhanced Memory and Diagnostics: The 1785-L11B includes an enhanced memory system that supports extensive program storage and diagnostics tools, making troubleshooting and program management straightforward.

• Versatile Communication Options: This module supports a variety of communication protocols, including Data Highway Plus (DH+), making it highly flexible for system networking and data exchange with other devices.

• Built-in Reliability: Designed for continuous operation, the 1785-L11B processor offers features like watchdog timers and fault detection to ensure reliability in mission-critical operations.

• Backward Compatibility: This processor module is compatible with older PLC-5 systems, making it an ideal choice for maintaining and expanding existing setups.

Technical Specifications

• Brand: Allen-Bradley

• Model Number: 1785-L11B

• Type: PLC-5/11 Processor

• Processor Type: Processor Module

• Program Memory: 64k (expandable)

• Communication: Data Highway Plus (DH+)

• Input Voltage: 120/240V AC

• Power Consumption: 24W

• Operating Temperature: 0°C to 60°C (32°F to 140°F)

• Weight: 1.8 kg (3.97 lbs)

• Dimensions: 174 x 137 x 38 mm (6.85 x 5.39 x 1.5 in)

• Compatibility: Fully compatible with PLC-5 family and legacy systems

• I/O Support: Expandable with I/O modules, ensuring system flexibility

• Battery Backup: Supports battery-backed memory for data retention during power loss

• Mounting: Designed for standard PLC rack installations

Typical Applications

The 1785-L11B PLC-5/11 Processor is designed for a variety of applications where high performance and reliability are paramount, including:

• Manufacturing Control: Ideal for managing industrial processes such as assembly lines, material handling, and packaging machinery.

• Process Control: Used in industries such as chemicals, food and beverage, and pharmaceuticals for precise process control and automation.

• Automated Material Handling: Efficiently integrates with systems controlling conveyors, lifts, and robotic arms in automated warehouses and production lines.

• Energy Management: Ensures effective monitoring and control in power plants, substations, and utilities.

• System Upgrades: A key component in retrofitting older PLC systems, providing compatibility with modern control systems while maintaining legacy functionality.

Support & Maintenance

The Allen-Bradley 1785-L11B PLC-5/11 Processor comes with comprehensive technical support through Allen-Bradley’s extensive customer service network. Whether you need assistance with installation, troubleshooting, or upgrades, Allen-Bradley provides access to:

• Technical Documentation: Detailed manuals and installation guides.

• Firmware and Software Updates: Regular updates to ensure the latest features and optimal system performance.

• Customer Service: Phone and online support for resolving technical issues and ensuring smooth operation.

FAQ

Q1: Is the 1785-L11B processor compatible with older PLC-5 systems?
Yes, the 1785-L11B processor is fully compatible with earlier PLC-5 systems, providing a reliable upgrade path while maintaining backward compatibility.

Q2: What communication protocols are supported?
The 1785-L11B supports Data Highway Plus (DH+), allowing seamless integration with other Allen-Bradley PLC systems and devices.

Q3: What is the memory capacity of the 1785-L11B processor?
The processor includes 64k of program memory, which is expandable for larger applications and more complex control systems.

Q4: What is the operating temperature range for the 1785-L11B?
The 1785-L11B is designed to operate reliably within a temperature range of 0°C to 60°C (32°F to 140°F).

Q5: How can I expand the system with the 1785-L11B processor?
You can expand the system by adding I/O modules, ensuring that the system can be customized to meet specific operational needs.

Q6: Does the 1785-L11B support battery backup?
Yes, the 1785-L11B supports battery-backed memory, ensuring that critical data is retained even during power loss.