1785-L40L Processor Controller Allen-Bradley

Allen-Bradley 1785-L40L PLC-5/40L Standard Processor

This versatile industrial processor delivers reliable automation control for medium-scale applications. The Allen-Bradley 1785-L40L offers extended local I/O capability and flexible configuration options.

Core Specifications

• Processor Type: PLC-5/40L Standard Processor
• Memory Capacity: 48 Kilowords (expandable)
• Maximum I/O: 2048 points (any mix)
• I/O Configuration: 2048 input + 2048 output maximum
• Backplane Current: 3.3A at 5V DC
• Power Dissipation: 17W maximum
• Weight: 1.42 kg (3 pounds)

Performance Specifications

• I/O Scan Time: 0.5ms (extended local) to 10ms (remote)
• Addressing Modes: ½-slot, 1-slot, 2-slot supported
• Voltage Isolation: 1000V between ports tested
• Memory Backup: Battery-backed with EEPROM option
• Response Time: High-speed processing capability

Communication Ports

• DH+/RIO Ports: 2 ports for network communication
• Serial Port: RS-232/422 interface
• Extended Local I/O: High-speed local communication
• Data Rates: Multiple speed options available
• Protocol Support: Industrial standard protocols

System Configuration

• Total Chassis: 61 chassis maximum
• Extended Local: 16 chassis capacity
• Remote Chassis: 32 per link maximum
• I/O Modules: 1771, 1794, 1746, 1791 compatible
• Point Capacity: 8/16/32-point modules supported

Environmental Specifications

• Temperature Range: 0-60°C operating
• Humidity Rating: 5-95% non-condensing
• Storage Temperature: -40°C to +85°C
• Vibration: Industrial grade tolerance
• Shock Resistance: Robust construction

Key Features

• Extended local I/O high-speed communication
• Battery-backed memory reliability
• Optional EEPROM backup capability
• Multiple addressing mode flexibility
• Wide I/O module compatibility

Installation Requirements

• Standard 1771 chassis mounting
• Compatible power supply required
• Adequate ventilation space
• Proper grounding and shielding
• Qualified technician installation

Industrial Applications

• Medium-to-large scale manufacturing
• Industrial process control systems
• Material handling automation
• Packaging machinery control
• Factory automation solutions

Certifications & Standards

• UL Listed for safety
• CE Marked for Europe
• CSA Certified for Canada
• C-TICK for Australia
• Industrial compliance standards

Package Contents

• PLC-5/40L Processor unit
• Installation documentation
• Technical specifications
• Compliance certificates

Warranty & Support

• 12-month manufacturer warranty
• Technical support available
• Installation guidance provided
• Quality assurance guaranteed