Order now the 2080-LC50-48QVB, a high-density flagship programmable logic controller from the Allen-Bradley Micro850 range. With its 48-point I/O count and advanced transistor-based architecture, this PLC is designed for high-speed, high-cycle industrial machinery that requires precision and networked connectivity.
What Is the 2080-LC50-48QVB?
The 2080-LC50-48QVB is a high-performance PLC featuring 28 digital inputs and 20 digital sinking (NPN) transistor outputs. This controller is engineered for machine builders who require a high number of I/O points in a standalone package without sacrificing processing speed. As part of the Micro850 family, it features an integrated Ethernet port supporting EtherNet/IP for real-time control and diagnostics. The sinking (NPN) output design is ideal for high-speed switching tasks and is compatible with NPN-standard actuators and robotic interfaces. The 2080-LC50-48QVB architecture is remarkably expandable, supporting up to five front-facing 2080 plug-in modules and up to four 2085-series expansion I/O modules. This makes it a formidable choice for complex standalone machines such as packaging lines, high-speed sorters, and high-density assembly jigs.
Key Technical Specifications
- Digital Inputs: 28 (24V DC Sinking/Sourcing)
- Digital Outputs: 20 (24V DC Sinking/Transistor)
- High-Speed I/O: 6 HSC inputs (up to 100 kHz)
- Total On-board I/O: 48 Points
- Communication: Ethernet 10/100, USB 2.0, RS232/RS485 Serial
- Expansion Capability: 5 Plug-in slots and 4 Expansion I/O slots
- Memory: 20 KB User Data
- Programming: Connected Components Workbench (CCW)
Advanced Networking and Architecture
The 2080-LC50-48QVB is built for «The Connected Enterprise.» Its integrated Ethernet port allows for seamless communication with PanelView 800 HMIs and remote data logging via Modbus TCP. The controller’s architecture supports high-speed counters, making it capable of handling precision feedback from encoders for position monitoring. By consolidating 48 points into one unit, it reduces the complexity of the control panel and lowers the total cost of ownership. The five plug-in slots allow for the addition of specialized functionality, such as RTD temperature sensing or isolated serial communication, all without increasing the physical DIN rail width of the system.
Installation Advice
When wiring the sinking outputs of the 2080-LC50-48QVB, ensure that the load is connected between the positive voltage rail and the output terminal. To protect the internal transistors from inductive kickback, always install an external flyback diode across DC solenoid valves. During installation, verify that the 24V DC power supply is adequately sized to handle the peak inrush current of up to 20 outputs plus any expansion modules. For the Ethernet connection, use an industrial-grade switch and shielded Category 5e cables to maintain a 100 Mbps link in electrically noisy environments.
Frequently Asked Questions
Q: How many high-speed counters are available on this model?
A: The 2080-LC50-48QVB supports up to six 100 kHz high-speed counter (HSC) inputs, which is ideal for multi-axis monitoring and high-resolution encoder feedback.
Q: Does this PLC support Pulse Train Output (PTO) for motion control?
A: Sinking transistor models in the Micro850 series can handle high-speed switching, but for specific coordinated motion axis control (PTO), sourcing (QBB) models are often prioritized for safety standards.
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