Purchase now the 2080-LC50-24QWB, a high-performance 24-point programmable logic controller from the Allen-Bradley Micro850 family. Designed for large-scale standalone machine control, this PLC provides the ideal combination of high-speed processing and the robust switching capabilities of electromechanical relay outputs.
What Is the 2080-LC50-24QWB?
The 2080-LC50-24QWB is a sophisticated member of the Micro850 series, featuring 14 digital inputs and 10 relay outputs. As a flagship micro-controller, it is engineered for «The Connected Enterprise,» boasting an integrated 10/100 Base-T Ethernet port for seamless peer-to-peer communication, remote programming, and data exchange via EtherNet/IP. The architecture of the 2080-LC50-24QWB is exceptionally scalable; it supports up to three 2080-series plug-in modules and up to four 2085-series expansion I/O modules, allowing the system to grow significantly as machine complexity increases. Its relay outputs provide galvanic isolation between the internal logic and field-side AC or DC loads, making it a versatile choice for applications such as pump control, material handling, and automated assembly where mixed voltage signals are common.
Key Technical Specifications
- Digital Inputs: 14 (24V DC Sinking/Sourcing)
- Digital Outputs: 10 (Relay, 2A per channel)
- High-Speed Inputs: 3 (up to 100 kHz)
- Communication: Integrated Ethernet, USB 2.0, RS232/RS485
- Expansion: Supports 4 2085 Expansion I/O and 3 Plug-ins
- Memory: 20 KB User Data
- Power Requirement: 24V DC
- Software: Connected Components Workbench (CCW)
System Integration and Expandability
The Micro850 architecture is designed to handle more complex tasks than the standard Micro820 or Micro830. The 2080-LC50-24QWB serves as a central hub in distributed control systems, utilizing its Ethernet port to communicate with HMI panels and other Logix controllers. By supporting high-density 2085 expansion modules, this 24-point controller can be expanded to manage over 130 I/O points. Furthermore, its built-in USB port ensures rapid commissioning and maintenance. The combination of high-speed input channels and relay outputs makes it uniquely suited for processes that require fast feedback monitoring paired with heavy-duty switching for motors and solenoids.
Maintenance Tips
To maximize the mechanical life of the 10 relay outputs on the 2080-LC50-24QWB, it is vital to utilize external surge suppression. For AC inductive loads, we recommend RC snubbers, while DC inductive loads should use flyback diodes. This prevents the electrical arcing that leads to contact pitting. Additionally, since the unit is often used in networked environments, periodically verify the Ethernet link status via the integrated LEDs. If the network becomes unstable, ensure that Category 5e shielded cables are used and properly grounded to mitigate electromagnetic interference from nearby variable frequency drives (VFDs).
Frequently Asked Questions
Q: Can the 2080-LC50-24QWB be used for Pulse Train Output (PTO)?
A: No, because this model uses relay outputs, it cannot perform high-speed pulse switching. For motion control requiring PTO, you must select a transistor output model like the 2080-LC50-24QBB.
Q: Does it support Modbus TCP communication?
A: Yes, the integrated Ethernet port natively supports Modbus TCP as both a client and a server, in addition to EtherNet/IP, providing broad compatibility with third-party devices.
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