Home
Residential
Up to 5 devices and a grid connection up to 40 A.
Includes one RS485 input and one Modbus TCP input.
SMARTGRIDONE CONTROLLER GUIDE
Compare Home, Light, Pro EDS, Pro OM1 and Ultra by application, project limits and physical connections. This guide uses the latest technical comparison from the Eniris webshop.



QUICK CHOICE
Home and Light cover compact residential installations. Pro expands towards larger residential and commercial sites, while Ultra is designed for demanding C&I and utility applications.
Residential
Up to 5 devices and a grid connection up to 40 A.
Includes one RS485 input and one Modbus TCP input.
Network-first installations
Up to 5 devices and a grid connection up to 40 A.
One Modbus TCP input. RS485 is possible through an external RS485-to-USB converter.
Explore Light →Residential & commercial
No minimum power and suitable for projects up to 1 MW.
Four RS485 inputs for projects with several serial devices.
Explore Pro →Residential & commercial
No minimum power and suitable for projects up to 1 MW.
Built-in digital inputs, digital outputs and relay outputs.
Explore Pro →C&I & utility
For demanding, time-critical applications with many devices.
Multiple network and I/O connections for advanced control.
Explore Ultra →APPLICATION COMPARISON
| Controller | Target users | Project limits |
|---|---|---|
| Home | Residential | Up to 5 devices, 40 A |
| Light | Residential | Up to 5 devices, 40 A |
| Pro EDS | Residential & commercial | No minimum power, up to 1 MW |
| Pro OM1 | Residential & commercial | No minimum power, up to 1 MW |
| Ultra | C&I & utility | Demanding applications, time-critical, many devices |
CONNECTIONS & I/O
Check the interfaces that must be available directly on the controller. This is often the deciding factor between Home, Light, Pro EDS and Pro OM1.
| Connection | Home | Light | Pro EDS | Pro OM1 | Ultra |
|---|---|---|---|---|---|
| RS485 inputs | 1× | 0* | 4× | 1× | 4× |
| Modbus TCP inputs | 1× | 1× | 1× | 1× | 3× |
| Digital inputs | 0 | 0 | 0 | 2× | 8× |
| Digital outputs | 0 | 0 | 0 | 2× | 8× |
| Relay outputs | 0 | 0 | 0 | 2× | 0 |
* SmartgridOne Light supports RS485 via an external RS485-to-USB converter.
FINAL CHECK