Introduction

The Allen-Bradley 2080-L50E-48AWB Micro850 Programmable Controller is a 48-point controller within Rockwell Automation's Micro800 family. It is intended for machine builders and automation engineers who need an integrated controller with substantial onboard discrete I/O and multiple communication options.

Its I/O arrangement consists of 28 digital inputs for 120V AC signals and 20 relay outputs. This configuration makes it particularly relevant to machines using AC control signals and relay-switched field devices. The embedded Ethernet, RS-232, and RS-485 interfaces provide communication options for programming, monitoring, and integration with compatible automation equipment.

The controller also features five plug-in slots for supported accessories and functionality extensions. For applications requiring additional I/O, compatible Micro800 expansion modules can be incorporated into the control architecture.

For engineering and maintenance teams, the 2080-L50E-48AWB offers a practical solution for standalone machine control, equipment upgrades, and replacement projects where its specific I/O arrangement matches the existing system.

Technical Specifications

Parameter	Specification
Brand	Allen-Bradley
Model	2080-L50E-48AWB
Product Series	Micro850
Product Type	Programmable Controller
Total Embedded I/O	48 points
Digital Inputs	28 points
Input Type	120V AC
Digital Outputs	20 points
Output Type	Relay
Nominal Controller Power Supply	24V DC
Ethernet	Embedded Ethernet port
Serial Communication	RS-232 / RS-485
Programming Port	USB
Plug-in Slots	5
Programming Software	Connected Components Workbench (CCW)
Enclosure Type	Open-style
Dimensions	238 × 80 × 90 mm
Weight	0.725 kg / 1.60 lb

Recommended Related Models

The following models belong to the Allen-Bradley Micro800 controller and expansion ecosystem. Their I/O configurations and functions differ, so selection should be based on the actual application requirements.

Model	Product Description
2080-L50E-24AWB	Micro850 24-Point Programmable Controller
2080-L50E-24QWB	Micro850 Programmable Controller with Relay Outputs
2080-L50E-48QWB	Micro850 48-Point Programmable Controller
2080-L50E-48QBB	Micro850 Controller with DC Inputs and Sourcing Outputs
2080-L50E-48QVB	Micro850 Controller with DC Inputs and Sinking Outputs
2080-L70E-24QBB	Micro870 Programmable Controller
2080-REMLCD	Micro800 Remote LCD Display

Popular Related Models

For broader Micro800 system maintenance, expansion, and machine-control projects, the following catalog numbers are also worth considering:

2080-L30E-24QBB – Micro830 Programmable Controller
2080-L30E-24QVB – Micro830 Controller with DC I/O
2080-L50E-24QBB – Micro850 Programmable Controller
2080-L50E-24QVB – Micro850 Programmable Controller
2080-L50E-48AWB – Micro850 48-Point Programmable Controller
2080-IF4 – Micro800 Analog Input Plug-in Module
2080-OF2 – Micro800 Analog Output Plug-in Module
2080-IQ4 – Micro800 Digital Input Plug-in Module

Applications

The Allen-Bradley 2080-L50E-48AWB Micro850 Programmable Controller is designed for compact machine automation and standalone control systems. With 48 embedded I/O points, Ethernet connectivity, and relay outputs, it provides a practical control platform for equipment that requires dependable discrete signal processing and flexible communication.

Typical applications include:

Machine automation: Controlling packaging, labeling, assembly, and material-handling equipment.
Industrial process control: Managing pumps, fans, valves, and other discrete-control devices.
Building and facility systems: Coordinating auxiliary equipment and automated operating sequences.
Conveyor systems: Handling motor contactors, limit switches, sensors, and machine interlocks.
OEM machinery: Providing integrated PLC control for compact machines with moderate I/O requirements.

Advantages

1. Integrated 48-Point I/O Configuration

The controller combines 28 digital inputs and 20 relay outputs in one base unit, reducing the need for additional discrete I/O modules in many compact applications.

2. 120V AC Input Design

Its embedded input channels are designed for 120V AC signals, making it suitable for control systems that use AC-operated field devices.

3. Flexible Relay Outputs

The 20 relay outputs support switching applications involving different types of discrete loads, subject to the specified electrical ratings and load requirements.

4. Multiple Communication Interfaces

Embedded Ethernet and serial communication interfaces support connections with programming tools, operator interfaces, and other automation equipment.

5. Expandable Controller Architecture

Five plug-in slots allow users to add supported functionality, while compatible Micro800 expansion modules can extend the system's I/O capacity.

6. Compact Machine-Control Platform

The Micro850 architecture combines processing, communication, and onboard I/O in a single controller, helping simplify control-panel design.

7. Connected Programming Environment

The controller is programmed using Connected Components Workbench (CCW), providing a common engineering environment for configuration, programming, and troubleshooting.

Technical FAQs

Q1: What is the difference between the 2080-L50E-48AWB and other Micro850 controllers?

The 48AWB version provides 28 digital inputs for 120V AC signals and 20 relay outputs. Other Micro850 variants use different input and output configurations, so the complete catalog number should be checked before selecting a replacement.

Q2: How many embedded digital inputs does this controller provide?

It has 28 embedded digital inputs designed for 120V AC operation.

Q3: What type of outputs are integrated into the 2080-L50E-48AWB?

The controller provides 20 relay outputs. Their suitability depends on the connected load, switching frequency, and electrical ratings.

Q4: What power supply does the controller require?

The controller uses a nominal 24V DC supply for its operating power. This is separate from the 120V AC field input signals.

Q5: Does the 2080-L50E-48AWB support Ethernet communication?

Yes. It includes an embedded Ethernet port for supported industrial communication and programming functions.

Q6: Which serial communication interfaces are available?

The controller provides embedded RS-232 and RS-485 serial communication interfaces, in addition to Ethernet and a USB programming port.

Q7: Which software is used to program the Micro850 controller?

Connected Components Workbench (CCW) is the engineering software used to configure and program Micro850 controllers.

Q8: Can the controller be expanded with additional I/O modules?

Yes. It supports compatible Micro800 expansion modules. The number of expansion modules and the available I/O capacity must be checked against the controller's technical limits and system configuration.

Q9: Does the 2080-L50E-48AWB have built-in high-speed counter functionality?

The 48AWB catalog variant does not support the embedded high-speed counter feature available on certain other Micro850 configurations. Check the required counting function and signal type before selecting this model.

Q10: What should be checked when replacing an existing Micro850 controller?

Verify the complete catalog number, input voltage type, output configuration, power requirements, communication settings, firmware compatibility, and application program. A controller with the same number of I/O points may still have a different electrical configuration.

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