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Allen Bradley 1785-L80B PLC-5/80 Processor
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Product Introduction
The Allen Bradley 1785-L80B PLC-5/80 Processor is a high-performance programmable logic controller designed for large-scale industrial automation and process control systems. As part of the PLC-5 family, this processor provides powerful processing capability and extensive communication support, making it suitable for complex control applications across multiple industries.
The PLC-5/80 processor is widely used in manufacturing, power generation, oil and gas facilities, and large process plants where high I/O capacity and reliable data communication are required. With support for up to 3072 total I/O points, the processor can manage large distributed control systems and coordinate multiple automation tasks simultaneously.
Equipped with 100K word SRAM memory, the controller provides sufficient storage for complex control programs, data tables, and system configurations. This memory capacity allows engineers to implement advanced control logic and manage large numbers of input and output signals within the same control platform.
Another important feature of the 1785-L80B is its communication capability. The processor includes four DH+/Remote I/O channels, enabling integration with multiple remote racks, operator interfaces, and industrial networks. This flexibility allows large automation systems to distribute control across multiple areas of a facility while maintaining centralized program management.
The processor is designed for installation in PLC-5 control racks and integrates seamlessly with other Allen Bradley modules such as digital I/O, analog I/O, communication modules, and power supply units. Its robust industrial design ensures reliable operation in demanding factory environments where continuous automation control is required.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | PLC Processor Module |
| Manufacturer | Allen Bradley |
| Model Number | 1785-L80B |
| Controller Series | PLC-5 |
| Processor Type | PLC-5/80 Processor |
| User Memory | 100K Word SRAM |
| Maximum Total I/O | 3072 |
| Analog I/O Support | Up to 3072 total I/O including analog |
| Communication Channels | 4 DH+ / Remote I/O channels |
| Backplane Current | 3.3 A at 5 V |
| Communication Network | Data Highway Plus (DH+) |
| Control Capability | Large-scale industrial automation |
| Programming Support | PLC programming environments compatible with PLC-5 series |
| Installation Type | Rack-mounted PLC module |
| System Integration | Compatible with PLC-5 I/O modules and communication modules |
| Application Environment | Industrial automation and process control |
| Dimensions | 165 × 51 × 89 mm |
| Weight | 1.42 kg |
Applications
● Large Manufacturing Automation Systems
Used as the central controller for large production lines requiring extensive I/O capacity and coordinated control of multiple machines.
● Process Control Plants
Applied in industries such as chemical processing, oil refining, and power generation where complex process automation is required.
● Distributed Control Architectures
Supports remote I/O networks that allow automation systems to distribute sensors and actuators across large industrial facilities.
● Material Handling Systems
Controls conveyors, packaging equipment, and automated transport systems in manufacturing and logistics operations.
● Industrial Machinery Integration
Coordinates multiple machines and subsystems within a single automation platform.
● Power Generation Facilities
Provides reliable control of plant equipment, auxiliary systems, and monitoring processes in power stations.
Advantages
● High Processing Capability
The PLC-5/80 processor provides strong processing performance suitable for large and complex automation programs.
● Large Memory Capacity
With 100K words of SRAM memory, the processor can store large control programs and extensive data tables.
● High I/O Capacity
Supports up to 3072 total I/O points, making it suitable for large industrial automation systems.
● Multiple Communication Channels
Four DH+ / Remote I/O channels allow integration with multiple remote racks and networked devices.
● Reliable Industrial Operation
Designed for continuous operation in demanding industrial environments.
● Flexible System Expansion
Easily integrates with a wide range of PLC-5 series modules including digital, analog, and communication modules.
FAQ
-
What is the main function of the 1785-L80B PLC processor?
The processor acts as the central controller in a PLC-5 automation system, executing control programs and managing communication with I/O modules and industrial networks. -
What type of memory does this processor use?
The controller uses 100K words of SRAM memory for program storage and data processing. -
How many I/O points can the PLC-5/80 processor support?
The processor can support up to 3072 total I/O points, including both digital and analog signals. -
What communication networks are supported by this processor?
The processor supports Data Highway Plus (DH+) and Remote I/O communication channels. -
How many communication channels are available on the processor?
This model includes four DH+ or Remote I/O communication channels for system connectivity. -
Can the processor be used in distributed automation systems?
Yes. It supports remote I/O networks, allowing sensors and actuators to be located in different parts of a facility. -
What type of applications commonly use the PLC-5/80 processor?
It is commonly used in large manufacturing lines, power plants, chemical processing facilities, and heavy industrial automation systems. -
Is the processor compatible with other PLC-5 modules?
Yes. It is designed to operate within PLC-5 racks alongside I/O modules, communication modules, and power supplies. -
How does the processor communicate with remote I/O racks?
Communication is achieved through the DH+ or Remote I/O channels, allowing data exchange between the processor and distributed I/O systems. -
Why is high I/O capacity important for large automation systems?
High I/O capacity allows a single processor to manage many sensors, actuators, and control devices within a large industrial facility.
Related Models
| Model | Description |
|---|---|
| 1785-L20B | PLC-5/20 processor |
| 1785-L30B | PLC-5/30 processor |
| 1785-L40B | PLC-5/40 processor |
| 1785-L60B | PLC-5/60 processor |
| 1785-L80C | PLC-5/80 enhanced processor |
| 1785-L86B | High performance PLC-5 processor |
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| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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