The Allen Bradley 1785-L40L is a PLC-5/40L Extended Local Processor Module, designed for high-performance industrial automation applications that require extended local I/O capacity. It is part of the PLC-5 family, providing advanced control, fast processing speeds, and reliable communication capabilities for demanding process and machine control applications.
Technical Specifications
- Manufacturer: Allen Bradley (Rockwell Automation)
- Model: 1785-L40L
- Series: PLC-5/40L
- Processing Speed: 0.6 ms per typical Boolean instruction
- User Memory: 48K words
- I/O Capacity: Supports up to 2048 discrete I/O points
- Communication Interfaces:
- Local I/O Communication (Extended Local I/O System)
- RS-232 Serial Port for programming and device integration
- Remote I/O (RIO) for distributed I/O control
- Data Highway Plus (DH+) for legacy system compatibility
- Backplane Current Draw: 2.5 A at 5V DC
- Power Supply Compatibility: 1771 Series Power Supplies
- Programming Software: RSLogix 5
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
Key Features
- Extended Local I/O capability for larger automation systems
- Supports up to 2048 I/O points, providing flexibility for industrial applications
- Fast processing speed ensures real-time control and quick response to input conditions
- Seamless integration with existing PLC-5 systems using Remote I/O (RIO) and DH+ networking
- RS-232 communication port allows direct connection to programming devices and peripherals
- Modular design allows easy expansion within 1771 I/O chassis
Compatible Allen Bradley Components
- Allen Bradley 1771 I/O Modules for expanded system control
- Allen Bradley PLC-5 Power Supplies (1771 Series)
- FactoryTalk View SCADA for real-time monitoring and visualization
- RSLogix 5 for PLC programming and configuration
Industry Applications
- Large-scale manufacturing automation
- Material handling and logistics automation
- Power generation and utility control systems
- Oil, gas, and petrochemical process control
- Food and beverage production automation
- Water and wastewater treatment facilities
Installation & Operational Notes
- Designed for extended local I/O system applications, enabling greater system scalability
- Requires proper 1771 series power supply for stable and reliable operation
- RSLogix 5 software required for programming and setup
- Supports communication over DH+ and Remote I/O networks for integration into legacy and modern systems
- Periodic maintenance recommended to ensure reliable system performance
We ship this product nation wide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.
This item is Brand New. We are unauthorized by Allen Bradley.