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- Allen Bradley
- 1785-L11B
- PLC-5/11 Processor
- USA
- 165 x 51 x 89 mm
- 1.36 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 31
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen Bradley 1785-L11B is a PLC-5/11 Processor, designed as the central processing unit for PLC-5 automation systems. It provides fast and reliable control of industrial processes, supporting logic, sequencing, and data handling for manufacturing, process control, and automation applications.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1785-L11B |
| Product Type | PLC Processor |
| Function | Central processing unit for PLC-5 systems |
| Compatibility | PLC-5 I/O modules and racks |
| Dimensions | 165 × 51 × 89 mm |
| Weight | 1.36 kg |
| Operating Environment | Industrial automation and process control systems |
Function and Working Principle
The 1785-L11B operates by:
- Executing control programs stored in memory
- Processing input signals from I/O modules
- Generating output signals to control machinery or processes
- Managing communications with other PLCs, HMIs, and network devices
It serves as the brain of the PLC-5 system, ensuring precise, deterministic control of industrial automation processes.
Role in Industrial Automation
The processor is essential for:
- Coordinating logic and sequencing operations in PLC networks
- Controlling inputs and outputs for machinery and process equipment
- Managing data processing and storage within PLC systems
- Supporting network communication for monitoring and diagnostics
- Ensuring reliable and efficient industrial control
Industrial Applications
Typical applications include:
- Manufacturing automation systems
- Process control in chemical, oil & gas, and power plants
- Packaging and material handling operations
- Monitoring and control of complex industrial machinery
- Data acquisition and control in networked PLC environments
Installation and System Integration
Installation steps:
- Mount the 1785-L11B processor into a PLC-5 rack
- Connect to compatible I/O modules and power supply
- Configure programming and network settings using RSLogix or compatible software
- Verify input/output communication and system functionality
Its compact form factor and robust design allow easy integration into PLC-5 automation systems.
Compatible System Components
- PLC-5 I/O racks and modules
- Allen Bradley communication modules (e.g., 1785-ENET, 1785-BCM)
- Industrial HMIs and operator interfaces
- PLC programming software (RSLogix 5)
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| Allen Bradley 1785-L11B | PLC Processor | PLC-5/11 control | Industrial process automation |
| Allen Bradley 1785-L20B | PLC Processor | Higher speed PLC-5 control | Medium to large-scale industrial systems |
| Allen Bradley 1785-L40B | PLC Processor | Advanced PLC-5/20 processing | Complex automation and control networks |
Key Advantages
- Provides high-speed, reliable control for PLC-5 systems
- Supports logic, sequencing, and data processing operations
- Enables network communication and diagnostics
- Compact and industrial-grade design
- Enhances system efficiency, reliability, and automation performance
Technical FAQs
What is the main function of the 1785-L11B?
It acts as the central processor of a PLC-5 system, executing control programs and managing I/O operations.
Which I/O modules is it compatible with?
Compatible with PLC-5 I/O racks and modules.
Can it communicate with other PLCs or networks?
Yes, it supports communication via compatible modules such as Ethernet or DH+ networks.
Where is it typically used?
In industrial automation and process control systems requiring reliable PLC-5 control.
Conclusion
The Allen Bradley 1785-L11B PLC-5/11 Processor is a robust and essential component for industrial automation systems. Its reliable processing, network communication capabilities, and integration with PLC-5 I/O modules make it ideal for controlling machinery, processes, and complex industrial networks.