The Micro 820 (2080-LC20-20QWB) PLC from Allen Bradley is a vital component of the Micro800 series and is a tiny, economical solution for remote automation and small-scale machine control applications. The Allen Bradley Micro 820 PLC provides flexible control capabilities in an incredibly small package thanks to its integrated I/O, embedded communication ports, and micro SD card slot.
Rockwell Automation created the small and adaptable Allen Bradley Micro 820 2080-LC20-20QWB Programmable Logic Controller (PLC). Applicable to a wide range of industrial automation applications, this PLC is a member of the Micro800 series and is built to provide strong control capabilities in a compact form factor.
Overview of the Allen Bradley Micro820 (2080-LC20-20QWB)
The Micro800 family's Allen Bradley Micro 820 (2080-LC20-20QWB) offers the following:
- 20 I/O points (12 discrete inputs, 7 relay outputs, 4 analog inputs, 1 analog output)
- Embedded Ethernet port and serial port
- 20K words of user memory, 10K words of data memory
- supports ladder logic, function block diagrams, and structured text among other programming languages.
- Integrated web server for remote management and observation
- enables Modbus RTU, ASCII, and EtherNet/IP communication protocols.
Built-in I/O Capabilities
Without the need for extra hardware, the Allen Bradley Micro 820 (2080-LC20-20QWB) PLC's integrated I/O capabilities meet typical demands, such as digital and analogue inputs and outputs, relay outputs, and PWM functions.
Key Micro820 (2080-LC20-20QWB) PLC Models and Specifications
- 2080-LC20-20AWB- Combines relay, analogue, and digital outputs into one unit.
- 2080-LC20-20QWB - Analog I/O in addition to digital and relay outputs.
- 2080-LC20-20QBB - Mostly digital outputs with some analog functionality.
Applications for independent machine control that only need 10–20 I/O points are the focus of the Micro 820 series. Its compact size and onboard I/O make it ideal for managing.
Micro820 PLC Applications
Packaging Machines
The Micro 820 offers a cost-effective control solution for shrink wrappers, baggers, cartoners, case packers, and other compact packing gear. I/O can work with coders and printers to incorporate labeling and marking, monitor sensors to track product flow, and control actuators to guide and manipulate objects.
Benefits:
- Compact design requires less cabinet space.
- Ethernet allows quick connection to coders/printers
- Onboard I/O covers sensing and actuation needs
Material Handling Systems
Material handling systems play a critical role in various industries, facilitating the movement, storage, control, and protection of materials and products throughout the manufacturing and distribution processes. The integration of advanced technologies, including Programmable Logic Controllers (PLCs) like the Micro 820, has significantly enhanced the efficiency and precision of material handling systems.
Benefits:
- Serial port allows connectivity to legacy equipment
- Relay outputs directly control motor starters
- Digital I/O handles common sensor/actuator needs
Building Automation
For small HVAC systems, access controls, pumps, lighting, and other facility applications, the Micro 820 serves as a distributed control node. Its serial and Ethernet options allow connectivity with BMS networks and remote I/O drops.
Benefits:
- Web server provides remote monitoring
- Thermistor inputs for temperature control
- Serial connectivity to existing systems
Industries Utilising the Allen Bradley Micro820 (2080-LC20-20QWB)
The Allen Bradley Micro 820 (2080-LC20-20QWB) PLC is utilised across a wide range of industries, including:
Manufacturing
In the manufacturing landscape, where precision and speed are paramount, the Micro820 has emerged as a game-changer. This PLC finds its place on assembly lines, orchestrating the seamless integration of components. Small-scale production systems benefit from its compact design and robust capabilities, ensuring efficient and reliable operation. Material handling systems are also enhanced, with the Micro820 facilitating the automation of tasks such as sorting, packaging, and transportation.
Food and Beverage
The Micro 820 can be utilized to manage batch operations, blenders, and mixers in the food processing sector. Pump control and level monitoring are supported via its analog I/O, and recipe administration is made possible by the microSD card.
Automotive
Small automotive production lines and equipment can benefit from the Micro 820's compact design and built-in I/O. It can control specific aspects of production and assembly processes, helping maintain efficiency and product quality.
Water and Wastewater Management
Efficient control of pumps, tank levels, and water treatment processes is essential in water and wastewater management. The Micro820 excels in these applications, providing a reliable and compact solution for monitoring and regulating water-related processes. Whether it's ensuring optimal tank levels or managing pump operations, this PLC contributes to the overall efficiency of water treatment facilities.
Allen Bradley Micro820 (2080-LC20-20QWB) PLC programming
The Micro 820 is programmed using the Connected Components Workbench (CCW) software from Rockwell Automation. This offers a logic program development environment that complies with IEC 61131-3.
Structured text (ST), function block diagrams (FBD), and ladder diagrams (LD) are programming languages supported by CCW. Additionally, it enables users to design reusable logic building blocks for unique logic operations.
Advantages of the Allen Bradley Micro820 (2080-LC20-20QWB)
- Versatility: The Micro 820's versatility for integrating into bigger control systems and communicating with other devices is increased by its support for multiple communication protocols, such as Ethernet/IP.
- Compact size and flexibility: This Micro820 model has a small footprint, making it ideal for applications with limited space. It offers 20 I/O points, including 12 digital inputs, 7 relay outputs, 4 analog inputs, and 1 analog output, providing enough options for basic control tasks. Two plug-in module slots allow for adding functionality like additional I/O, communication modules, or specialized functions.
- Integrated Serial and Ethernet: Without the need for extra communication modules, connecting to HMIs, drives, sensors, and other devices is made possible via built-in serial and Ethernet interfaces.
- Programming Software: For Micro800 controllers, PanelView HMIs, and Allen-Bradley drives, CCW software provides a single development tool. For new users, the software offers an easy-to-use interface.
- Function Block Libraries: Reusable function blocks help add capabilities like PWM control, math functions, alarm handling, and simplifying programming for small systems.
- Built-in I/O: The Micro 820 saves money by meeting many basic control demands with its 10–20 internal I/O points without the need for extra extension I/O hardware. It has choices such relay outputs, analogue, and digital.
The Allen Bradley Micro 820 (2080-LC20-20QWB) PLC is an effective and adaptable option for automation and control applications ranging from small to medium in size. With its small size, integrated I/O functions, and compatibility for several programming languages, it can be used in a variety of industries, including manufacturing and pharmaceuticals.
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