Effortless integration with compact I/O and powerful edge computing.
OVERVIEW
What is groov RIO? Smart, Secure, and Scalable Edge I/O
Benefits
5 Key Benefits of Groov RIO
Eliminates the need for separate I/O modules, PLCs, and gateways by combining everything into one device.
Each unit offers 8-10 software-configurable channels that support analog, digital, relay, and temperature inputs/outputs—reducing the need for multiple I/O modules.
Supports TLS encryption, VPN access, and user authentication to keep data secure and protected from cyber threats.
Works with MQTT, OPC UA, REST API, and Modbus/TCP, making it easy to send data to cloud platforms, databases, and industrial controllers.
PoE-powered (Power over Ethernet) or DC-powered, groov RIO simplifies installation and scales easily across large industrial sites with minimal infrastructure.
Features
Features of Groov RIO
Software-configurable for analog, digital, temperature, and relay I/O.
Supports Modbus/TCP, MQTT, OPC UA, SNMP, and REST API for seamless industrial integration.
Runs local logic, data processing, and automation workflows without a PLC.
TLS encryption, user authentication, and VPN support ensure data security.
Supports daisy-chaining, separate control/data networks, and easy expansion.
Easily connects to AWS, Azure, Google Cloud, Ignition, and SCADA systems.
Why groov Rio?
See the groov RIO In Action
Case Studies
How Paloma Irrigation and Drainage District (PIDD) Annually Save
Power
groov RIO Power
Discover the future of I/O
Power the RIO with PoE Simplicity
Deliver both power and data to the groov RIO through a single Ethernet cable using a PoE switch. This clean, star-topology setup eliminates the need for separate power supplies—perfect for streamlined, scalable installations.
Power the RIO with 10–32 VDC Power Input
Power groov RIO via a regulated 10–32 VDC supply using the 2-position connector—ideal for industrial panels and locations without PoE, offering stable, noise-resistant power in demanding environments.
Connectivity
groov RIO Connectivity
Discover the future of I/O
Connect RIOs Efficiently with Ethernet Daisy-Chaining
Deliver both power and data to the groov RIO through a single Ethernet cable using a PoE switch. This clean, star-topology setup eliminates the need for separate power supplies—perfect for streamlined, scalable installations.
Connect via VPN to groov RIO
Power groov RIO via a regulated 10–32 VDC supply using the 2-position connector—ideal for industrial panels and locations without PoE, offering stable, noise-resistant power in demanding environments.
Connect groov RIO via Wi-Fi
Link multiple groov RIO units using their dual Ethernet ports for efficient network expansion. Each device is powered independently via 10–32 VDC, while Ethernet connectivity is passed between units—minimising switch port usage and simplifying field deployment.
Connect USB Memory to groov RIO
Establish a VPN tunnel through Eth1 to enable safe, encrypted access to groov RIO from remote client devices for control and monitoring.
Connect Multiple USB Devices to groov RIO
Attach a powered USB hub to expand connectivity for memory sticks, Wi-Fi adapters, and serial interfaces.
Connect Serial Devices to groov RIO
Establish a VPN tunnel through Eth1 to enable safe, encrypted access to groov RIO from remote client devices for control and monitoring.
Security
Cybersecure Just Like the groov EPIC
groov RIO requires secure admin setup and supports user-specific permissions and LDAP integration for centralized control.
All data is secured with HTTPS and TLS, protecting communications between groov RIO, clients, and cloud services.
Runs local logic, data processing, and automation workflows without a PLC.
Upload trusted SSL certificates to ensure secure, authenticated communication within your network.
groov RIO acts as an OpenVPN client, enabling encrypted remote access for secure off-site monitoring.
With outbound-only MQTT connections, groov RIO avoids open inbound ports, greatly reducing network vulnerabilities.
RIO M1 & M2
The Future of Remote I/O to Edge Intelligence
Discover the future of I/O
Eliminate the Middle Layer
groov RIO M1 and M2 are more than just I/O — they act as standalone edge controllers. You don’t need a PLC, PC, or separate gateway to collect data, run logic, or send information to the cloud. Everything is onboard, making your system simpler, faster to deploy, and more resilient.
From Field Data to Cloud in One Box
Equipped with MQTT, REST API, OPC UA, and (on M2) Ignition Edge, groov RIO securely publishes real-time data directly to SCADA, cloud services, or enterprise platforms. No extra software layers are needed — it’s fully integrated edge-to-cloud communication that scales easily with your system.
Adapt to the Job, Not the Other Way Around
Each groov RIO unit features 8–10 software-configurable I/O channels that you can define as analog, digital, relay, or temperature — right from the interface. No cards, no rewiring, no lead time. It’s a future-proof solution that changes with your application needs.
RIO EMU
Revolutionising Energy Monitoring & Insights
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Energy Insight Without the Complexity
The groov RIO EMU gives you full visibility into energy consumption and power quality without needing custom code or complex configuration. With built-in logic tools like Node-RED and flow-based programming, you can instantly respond to energy events, trigger alerts, or feed dashboards — all in real time.
Replace Multiple Meters with One Compact Unit
One groov RIO EMU replaces multiple standalone meters with high-density monitoring — up to 16 current inputs and 3 voltage channels, delivering 64 software-defined measurements. It’s precision energy metering, power analysis, and real-time reporting — all in a single industrial-grade device.
Ready for Compliance and Cost Savings
Whether you’re aiming to meet ESG goals, manage power quality, or optimise energy usage across facilities, the EMU delivers the data you need. It supports granular reporting, baseline tracking, and peak demand analysis — helping you reduce waste and stay audit-ready.
COMPARE
groov RIO Comparison
RIO M1
An industrial controller with real-time control, edge computing, and secure connectivity.
RIO M2
A high-performance controller with faster processing and expanded connectivity.
RIO EMU
A compact energy monitoring unit with real-time data logging.
2GB memory for control, connectivity, and data handling.
4GB memory for enhanced performance, ideal for more demanding applications, including Ignition Edge 8.
4GB memory for enhanced performance, ideal for more demanding applications, including Ignition Edge 8.
Standard memory for control, connectivity, and data handling.
Increased memory for enhanced performance, ideal for more demanding applications, including Ignition Edge 8.
Increased memory for enhanced performance, ideal for more demanding applications, including Ignition Edge 8.
Supports PAC Control, CODESYS, Node-RED, and groov Manage; optional Ignition Edge.
Supports PAC Control, CODESYS, Node-RED, and groov Manage; optional Ignition Edge.
Supports PAC Control, CODESYS, Node-RED, and groov Manage; optional Ignition Edge.
Dual Ethernet interfaces, built-in firewall, user authentication, no default passwords, MQTT/Sparkplug, and OPC UA support.
Dual Ethernet interfaces, built-in firewall, user authentication, no default passwords, MQTT/Sparkplug, and OPC UA support.
Dual Ethernet interfaces, built-in firewall, user authentication, no default passwords, MQTT/Sparkplug, and OPC UA support.
RESOURCES
groov RIO Resources
groov EPIC, groov RIO, MQTT
Guide to Networking groov Products
Discover how to network groov EPIC and RIO — read
groov RIO, groov RIO EMU, groov RIO M1 & M2, groov RIO Security, Opto 22
groov RIO Data Sheet
This data sheet outlines technical specifications, I/O capabilities, supported protocols,
groov RIO, groov RIO EMU, Opto 22
groov RIO EMU Brochure
Get real-time insight into your energy use with groov RIO
groov EPIC, groov RIO, Opto 22, Reports
I/O for the IIoT
See how Edge I/O creates a simpler way to meet
groov EPIC, groov EPIC Security, groov RIO, groov RIO EMU, groov RIO Security, Opto 22
groov EPIC and groov RIO Cybersecurity Design and Best Practices
groov EPIC and groov RIO are built from the ground
groov RIO, groov RIO EMU, Opto 22
groov RIO Energy Monitoring Unit Data Sheet
Technical specifications for the groov RIO EMU, including input compatibility,
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groov RIO Videos
Introducing groov RIO
FAQ
groov RIO Frequently Asked Questions
What is groov RIO used for?
groov RIO is an edge I/O module designed for industrial automation, IIoT applications, and secure remote monitoring—combining I/O, networking, and processing in a single compact device.
Do I need a PLC or PAC to use groov RIO?
No, groov RIO does not require a PLC or PAC to operate. It supports onboard processing, flow-based logic with Node-RED, and secure integration through RESTful APIs—but if needed, you can also integrate it with a PLC, PAC, or SCADA system as part of a larger control architecture.
What types of I/O does groov RIO support?
groov RIO offers universal, software-configurable I/O, allowing each of its channels to be individually set as analog input or output, digital input or output, thermocouple input, frequency input, and more. This flexibility eliminates the need for selecting and stocking multiple I/O module types, simplifies panel design, and enables fast reconfiguration to suit changing application needs—all within a single compact device.
How is groov RIO programmed or configured?
You can access groov RIO’s built-in interface through any modern web browser, use Node-RED for flow-based programming, or integrate with external systems using REST, MQTT, Modbus/TCP, or OptoMMP protocols. Integration options include Ignition Edge with the Cirrus Link MQTT Transmission Module, or Node-RED on groov EPIC using appropriate custom nodes for MQTT and other protocols.
Is groov RIO secure?
Yes. groov RIO includes strong cybersecurity features: user authentication, a built-in firewall, VPN client support, encrypted protocols, and secure certificate management.
Does groov RIO support MQTT and cloud connectivity?
Yes. groov RIO can publish and subscribe to MQTT brokers and integrate directly with cloud platforms like AWS, Azure, and others.
Take The Next Step
Connect With a Sales Specialist
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Get Engineering Support With Miltek
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