Allen Bradley 2080-LC20-20QBB Micro820 Controller

The AB 2080-LC20-20QBB is a Micro820 compact programmable logic controller (PLC), ideal for small standalone machines and remote automation applications. Featuring 20 I/O points, it includes 12 digital inputs, 7 digital sourcing outputs, 4 configurable analog inputs (with thermistor reference), and 1 analog output.

With an embedded Ethernet/IP port, non-isolated RS-232/485 serial interface, and USB programming port, this controller enables flexible communication and remote configuration. It supports up to two plug-in expansion modules, includes a built-in real-time clock, and is compatible with MicroSD memory cards for data logging and recipe storage.

Technical Specifications

Model: 2080LC2020QBB
Series: Micro820
Type: Compact Programmable Controller
Digital Inputs: 12 x 24 V DC
Digital Outputs: 7 x 24 V DC Sourcing
Analog Inputs: 4 (voltage/thermistor configurable)
Analog Outputs: 1 (voltage)
Relay Outputs: 7 (shared with DO lines)
Expansion Capability: 2 plug-in module slots
Application: Small machine control, remote terminal units, compact PLC systems

Electrical Specifications

Input Voltage: 24 V DC
Input Type (DI): Sink/source compatible
Output Type (DO): Sourcing (PNP), 24 V DC
Analog Input Type: 0–10 V DC or thermistor with internal voltage reference
Analog Output Type: 0–10 V DC
Relay Output Ratings: Max 2 A per relay
Memory Size: 20 KB user program memory
Memory Expansion: MicroSD card support (up to 2 GB)
Clock: Embedded real-time clock (battery-backed)
Overvoltage Protection: Yes
USB Port: 1 x USB programming interface

Mechanical Specifications

Width: 100 mm
Height: 90 mm
Depth: 80 mm
Mounting Type: DIN rail or wall mount
Connection Type: Screw terminals
Installation Orientation: Vertical
Rack Assembly: Supported via plug-in modules
Display: Yes (status LEDs)
Weight: Approx. 300 g
Front Installation Possible: Yes

Environmental Specifications

Operating Temperature: 0…55 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
IP Rating: IP20
Vibration Resistance: IEC 60068-2-6
Shock Resistance: IEC 60068-2-27
Certifications: CE, c-UL-us, RoHS
SIL Rating (IEC 61508): Not applicable
Performance Level (EN ISO 13849-1): Not applicable
Use in Commercial Environments: Permitted with proper panel enclosure

Compliance & Communication

Ethernet Port: 1 x EtherNet/IP
Serial Port: 1 x RS-232/485 (non-isolated)
USB Port: 1 x Micro-B for programming
Supported Protocols:
– EtherNet/IP
– Modbus RTU/ASCII
Unsupported Protocols:
– DeviceNet
– PROFIBUS
Programming Software: Connected Components Workbench (CCW)
Remote Monitoring: Supported via Ethernet
Diagnostics: Built-in status LEDs and software monitoring

Key Features & Benefits

✅ All-in-One Control – Combines digital, analog, and communication I/O in a compact controller

✅ Embedded Ethernet & Serial – Supports flexible connectivity for networking and HMI integration

✅ Expandable Design – Two plug-in slots for additional I/O, communications, or specialty functions

✅ Built-In Real-Time Clock – Enables time-stamped data logging and scheduling

✅ Allen Bradley Micro800 Series – Part of a scalable, cost-effective PLC platform for OEMs and panel builders

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