Description:
The Allen-Bradley 2080-LC20-20QBBK is a Micro820 series 20 I/O point programmable logic controller (PLC) designed for small standalone machine control and remote automation. This compact controller features 12 digital inputs (24V DC), 8 discrete outputs (7 sourcing DC + 1 analog), and an embedded EtherNet/IP port for network connectivity. It supports programming via Connected Components Workbench (CCW) software and includes a microSD card slot for data logging and recipe management, making it ideal for cost-effective automation of small conveyors, pumps, and material handling systems.
Application Scenarios:
In a Taiyuan-based small packaging machine, the 2080-LC20-20QBBK serves as the main controller. It reads signals from photoelectric sensors (inputs), controls solenoid valves and a small conveyor motor (outputs), and communicates over EtherNet/IP with an HMI for operator control. The built-in analog output adjusts the speed of a drive based on a recipe loaded from the microSD card, allowing the machine to handle different product sizes without reprogramming.
Parameter:
| Main Parameters | Value/Description |
|---|---|
| Product Model | 2080-LC20-20QBBK (Micro820 Series) |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Controller Type | Micro PLC (Nano-sized footprint) |
| Digital Inputs | 12 points, 24V DC (Sink/Source configurable) |
| Digital Outputs | 7 points, 24V DC Sourcing (PNP) |
| Analog I/O | 4 inputs (configurable as 0-10V/0-20mA/Thermistor) + 1 output (0-10V/0-20mA) |
| Communication Ports | EtherNet/IP (10/100 Mbps), RS-232/485 Serial, USB (Programming) |
| Memory/Storage | 280 KB Program Memory, microSD Card Slot (up to 32 GB) |
| Expansion Slots | 2 slots for Micro800 plug-in modules (e.g., additional I/O, HSC) |
| Power Supply | 24V DC (Operating Range: 19.2 – 30V DC) |
| Operating Temperature | -20 °C to +65 °C |
| Mounting | DIN Rail (35 mm) or Panel Mount |
| Programming Software | Connected Components Workbench (CCW) |
| Lifecycle Status | Active / Standard |
Technical Principles and Innovative Values:
The Micro820 platform brings modularity and connectivity to the low-end PLC market.
- Innovation Point 1: Embedded Connectivity Stack. Unlike basic micro-PLCs that require add-on cards for networking, the 2080-LC20-20QBBK has EtherNet/IP, Serial (Modbus RTU), and USB ports built into the base unit. This allows it to function as a remote I/O node or a small standalone controller with easy integration into Rockwell’s PlantPAx or third-party SCADA systems.
- Innovation Point 2: Flexible I/O Configuration. Four of the digital inputs are software-configurable as analog voltage inputs or thermistor inputs. This eliminates the need for a separate analog input module in simple temperature or pressure monitoring applications, reducing the total system cost.
- Innovation Point 3: Data Handling via microSD. The integrated microSD card slot is not just for firmware updates. It supports data logging of process variables and recipe storage, enabling small-batch production changes without a PC connection. The
ConfigMeFirst.txtfeature allows pre-configuring network settings offline.
