Choosing the Right Control System for Today — and Tomorrow

Compare groov EPIC, groov RIO, and traditional PLCs — and discover what’s possible when control meets edge intelligence.
Home / Opto 22 / Groov EPIC, RIO and PLC’s Comparison
Control Systems
groov EPIC
groov RIO
PLC'S
IIOT Ready?

Fully Integrated

Fully Integrated

Typically not IoT ready

Can you run additional software?

Fully Integrated

Fully Integrated

Typically not IoT ready

Python

Yes

Yes

Not natively

Java / C++

Limited (Linux SDK access)

Limited

No

Node-RED

Embedded

Embedded

Not supported

Ignition / Ignition Edge

Supported

Limited* (Ignition Edge Only)

Not supported

SSH access

Secure, limited

Secure, limited

Typically not available

Communications

OPC UA, MQTT, Modbus, etc.

OPC UA, MQTT, Modbus, etc.

Some (often via add-ons)

Embedded Web Server (groov Manage)

Yes

Yes

No

Embedded HMI (groov View)

Yes

View-only mode

External SCADA required

Localised I/O

Yes (onboard + modules)

Yes (onboard multi-signal I/O)

Yes (via rack-based modules)

Expandable I/O

Yes (I/O modules, remote)

Not physically expandable

Yes (modular expansion)

Secure Cloud Connections (TLS, Certs)

Yes, built-in

Yes, built-in

Rarely built-in

Control Systems
groov EPIC
groov RIO
PLC'S
IIOT Ready?

Fully Integrated

Fully Integrated

Typically not IoT ready

Can you run additional software?

Fully Integrated

Fully Integrated

Typically not IoT ready

Can you run additional software?
Python

Yes

Yes

Not natively

Java / C++

Limited (Linux SDK access)

Limited

Not

Node-RED

Embedded

Embedded

Not

Ignition / Ignition Edge

Supported

Limited* (Ignition Edge Only)

Not

SSH access

Secure, limited

Secure, limited

Typically not available

Communications

OPC UA, MQTT, Modbus, etc.

OPC UA, MQTT, Modbus, etc.

Some (often via add-ons)

Embedded Web Server (groov Manage)

Yes

Yes

Not

Embedded HMI (groov View)

Yes

View-only mode

External SCADA required

Localised I/O

Yes (onboard + modules)

Yes (onboard multi-signal I/O)

Yes (via rack-based modules)

Expandable I/O

Yes (I/O modules, remote)

Not physically expandable

Yes (modular expansion)

Secure Cloud Connections (TLS, Certs)

Yes, built-in

Yes, built-in

Rarely built-in

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