ScenarioIndustrial Visual Inspection
Fanless edge IPCs provide real-time inspection verdicts locally, while high catch rates require retraining with line defect samples.
Industrial Control & Automation
Connect PLCs, meters and controllers to one gateway
Collection, automation and dashboards run on a local gateway; a touchscreen mounts by the machine.
Multi-Protocol
Modbus, OPC UA, BACnet/IP and MQTT in one point model
Local Orchestration
Node-RED and Home Assistant run on the gateway
Industrial I/O
RS-485, RS-232, CAN and DI/DO on board, by model
Where this technology lands
Scenario
ScenarioBuilding Energy Retrofit
LoRaWAN sensors mount on the wall, one gateway connects existing Modbus and BACnet equipment, and the data goes to an open-source dashboard or your own platform.
Reference designMulti-Protocol Industrial Gateway
Bring OPC UA, Modbus, BACnet/IP, and MQTT devices into one point model, then read and control them through one MQTT interface.
Reference designHVAC Automation Control
Bring HVAC controller points and an energy meter into one point model, predict setpoints from the building's own history, and write them back only after a readback from the field matches — with rollback and alarms when it does not.
Success Cases
Hardware Selection
Use field data loggers where devices are scattered and a gateway host where wiring is centralised; the SCADA dashboard runs on a reTerminal touch terminal.
Not sure which to choose? See the full selection guide →
Device Interface
Which interface do the devices you are connecting mainly use?
Field data aggregated via terminals, edge gateways feed SCADA dashboards
The Field Data Loggers and Gateway Hosts tabs cover the acquisition column, and SCADA Dashboard covers the touch terminal on the right. LoRaWAN loggers report through a LoRaWAN gateway, 4G loggers through the carrier base station, and the gateway host over Ethernet, all into one data server deployed in the cloud or on a reComputer on-premises server running Home Assistant.
Core Advantages
- Scattered points via LoRaWAN/4G
- Wired devices to gateway host
- One server holds all data
| Image | Product | Field I/O | Best For |
|---|---|---|---|
 | S2100 Data Logger | RS-485, analog, GPIO → LoRaWAN | Scattered meters with a LoRaWAN gateway on site |
 | Sensor Hub 4G Data Logger | RS-485 (Modbus RTU), analog → 4G | Isolated points, no gateway or LAN |
Scattered devices with hard cabling: wireless nodes and data loggers
S2100 turns a single RS-485 or analog device into a LoRaWAN node and needs a LoRaWAN gateway such as the R1225. Sensor Hub 4G collects RS-485 (Modbus RTU) data and sends it directly over 4G, with no gateway on site.
Core Advantages
- RS-485 to LoRaWAN
- Direct 4G uplink
- No cabling
| Image | Product | Field I/O | Best For |
|---|---|---|---|
 | reComputer R1000 Series | RS-485, Ethernet | Wired meters and Modbus devices |
 | reComputer R1100 Series | RS-485, RS-232, DI/DO, Gigabit Ethernet | Legacy RS-232 devices and dry contacts |
 | reComputer R1225 Gateway Series | RS-485, Gigabit Ethernet, LoRaWAN (EU868 / US915) | Sites that also run LoRaWAN sensors |
 | reComputer Industrial R21 Series | RS-485, RS-232, CAN FD, DI/DO, Gigabit Ethernet | CAN devices; Hailo-8 models for on-site AI inference |
Standard fieldbuses on compact gateways; multi-axis CAN & AI on IPCs
reComputer R series units run Linux and can host local applications such as Node-RED and Home Assistant. The four series differ in field interfaces: R1000 for RS-485 and Ethernet only; R1100 for legacy RS-232 devices or dry contacts; R1225 when the site also has LoRaWAN wireless sensors; the Industrial R21 series for CAN devices or on-site AI inference.
Core Advantages
- R1100 connects legacy RS-232 devices and dry contacts
- R1225 has built-in LoRaWAN for wireless sensors
- Industrial R21 series connects CAN devices
R1000 Docs| Image | Product | Field I/O | Best For |
|---|---|---|---|
 | reTerminal DM Series | RS-485, CAN, Ethernet | Machine operator panel and on-site dashboard |
Touchscreen HMI dashboards directly reading local servers for status
reTerminal DM is a 10.1-inch touch terminal that reads the data server and serves as the on-site SCADA dashboard. With RS-485 and CAN on board it can also connect to devices directly as HMI and protocol gateway; the multi-protocol gateway reference design supports setup and daily operation on its built-in touch screen.
Core Advantages
- 10.1-inch touch screen
- SCADA dashboard
- RS-485 / CAN
FAQ
The multi-protocol industrial gateway reference design brings OPC UA, Modbus TCP, Modbus RTU, BACnet/IP and MQTT into one point model and exposes one MQTT read/write interface. reTerminal DM and the reComputer Industrial R21 series also have on-board CAN.
Yes. The Seeed Wiki has a Node-RED tutorial for connecting a reComputer R1000 to Siemens PLCs over the S7 protocol.
Yes. The reComputer R1000 has Wiki tutorials for Node-RED with Modbus TCP, MQTT and an OPC UA server, plus Home Assistant and Grafana; reTerminal DM has Node-RED getting-started and CAN tutorials.
No. These gateways and reference designs are not safety-certified control systems; safety interlocks stay with the PLC or safety relays.
They can be evaluated as a customization project, for example adding I/O, changing the enclosure, adjusting the screen specification or preinstalling software. See Customization Service for scope and process, or .
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