Rockwell Low Cost PLC / RTU Solutions

The Micro 800 family of controllers delivers cost-effective automation for small to medium-sized applications. With native Ethernet/IP, Modbus TCP/IP and Modbus RTU support built in, the Micro 800 eliminates the need for expensive gateways and integrates seamlessly into modern industrial networks.

From $298 ex GST Native Modbus & EtherNet/IP DNP3 Support on Micro 870

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Micro 800 Product Range

Product range

Micro 810 Controller

Entry-level smart relay with LCD display. Ideal for simple machine control and building automation.

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Micro 820 Controller

Compact PLC with built-in EtherNet/IP and native Modbus TCP/IP. From $298 ex GST.

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Micro 830 Controller

Mid-range controller with plug-in module support and expansion I/O. Suited to general machine control.

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Micro 850 Controller

Advanced Micro 800 controller with native Modbus TCP/IP, EtherNet/IP, and USB programming port.

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Micro 870 Controller

Top-tier Micro 800 with DNP3 protocol support — ideal for RTU and utility/water/wastewater applications.

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Expansion I/O Modules

Extend the I/O capacity of your Micro 800 system with a wide range of digital and analog expansion modules.

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Plug-in Modules

Add serial, HSC, SSI, and other specialised functions directly into the controller via plug-in slots.

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Accessories

Cables, memory cards, batteries, and mounting accessories for the complete Micro 800 ecosystem.

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Applications

The Micro 800 is ideal for a wide range of industrial applications, including:

Industrial Automation

Manufacturing Systems

Energy Management

Building Automation

Water & Wastewater

Material Handling

Why Choose the Micro 800

Cost-effective integration

Eliminates the need for expensive gateways — native Modbus and EtherNet/IP built in.

Native Modbus support

Supports both Modbus RTU and Modbus TCP/IP — bridging legacy and modern systems simply.

Compact & scalable

Designed for space-constrained environments with expandable I/O to grow with your needs.

Easy to program

Configured using Rockwell's free Connected Components Workbench (CCW) software.

DNP3 Protocol & Micro 870

The DNP3 protocol is supported on the following Micro 870 controllers:

2080-L70E-24QBBN
2080-L70E-24QWBN

Key DNP3 capabilities include time-stamping, event reporting, automatic logging during communication outages, Secure Authentication (SAv2 and SAv5), master address validation, and unsolicited response support. Requires Connected Components Workbench v20.01.00 or later.

View Micro 870 range →

EtherNet/IP to Modbus Communication

The Micro 800 simplifies EtherNet/IP to Modbus communication in three steps:

Connect

Use the built-in EtherNet/IP port to link the Micro 800 to your network.

Configure

Set up Modbus RTU or Modbus TCP/IP communication using Rockwell's free CCW software.

Communicate

Enjoy seamless data exchange between EtherNet/IP and Modbus devices.

Benefits of the Micro 800 for EtherNet/IP to Modbus

No additional hardware required

The Micro 820, 850 and 870 support Modbus natively — no costly gateways needed. Entry level pricing from $298 ex GST.

Reduced downtime

Easy setup and configuration mean your systems are up and running faster.

Future-proof design

Expandable I/O options mean the Micro 800 can adapt as your needs grow.

Trusted brand

Rockwell Automation is a global leader in industrial automation — reliability you can count on.

Resources

Micro 800 User Manual

Publication 2080-UM002 — DNP3 configuration and setup for Micro 830, 850, and 870.

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Selection Guides

Rockwell Automation selection guides to help you choose the right Micro 800 for your application.

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Connected Components Workbench

Free programming software for all Micro 800 controllers. Download from Rockwell's website.

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Ready to order or need a quote?

Call 1300 752 427 | Email [email protected]

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