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A Raspberry PLC project starts from your signal list and ends with Linux, Python or Node-RED and real I/O running on site. Each project on this page shows the problem, how it is solved and the hardware it uses.
Four steps, from the first message to the first controller on site.
Inputs, outputs, sensors and what the system must do. A rough list is enough to start.
Run the closest simulator and break things on purpose: network cuts, faults, peaks.
Take a project pack or a recipe from the PLC Solution Library and adapt it.
We check the I/O count and the communications with you and you get a quote.
Industrial Shields engineers answer your questions from the first contact. The wiring and the start-up on site are done by your team or your integrator.
Seven projects with a real problem behind them. Each card links the simulator, the code and the installations where it already runs.
Raspberry PLC · Rooms · HVAC
Rooms, access, climate and lights have to work together, and someone has to see the run hours and alarms from outside.
How it is solvedA Raspberry PLC runs each room, zone or unit and reports to the app or to SCADA.
Raspberry PLC · Probes · Database
A vaccine freezer cannot leave its limits, and each batch needs a record that stays even when the connection fails.
How it is solvedProbes inside, a Raspberry PLC outside: alarm at the limit, a local database and data to the cloud.
Raspberry PLC · CAN · LoRaWAN
Heat, pressure, level and alarms have to be controlled on site, and the operator is usually somewhere else.
How it is solvedA Raspberry PLC runs the plant sequence and sends alarms and data out. In the water network, ESP32 PLCs at the pumping stations report to it over LoRaWAN.
Raspberry PLC · OEM · Test sequences
A machine series needs one design that covers every option, and a test bench needs a repeatable sequence with a report.
How it is solvedOne Raspberry PLC design runs the machine, with options on remote I/O, or runs the test sequence and writes the result.
Raspberry PLC · Camera · Python
A camera has to recognise a part or a face, and the result has to act on a door, an alarm or a line.
How it is solvedLinux runs the vision code on the Raspberry PLC or next to it, and its I/O acts on the result and records it.
Raspberry PLC · Radio nodes · Cloud
Silos, piles and fields are spread out, without power or cable, and checking them by hand arrives too late.
How it is solvedBattery or solar radio nodes report to a Raspberry PLC, which sends the data to the cloud and raises the warning.
Raspberry PLC · Modbus · MQTT
Equipment data has to reach shore, without opening a path to control the equipment.
How it is solvedA Raspberry PLC reads Modbus and NMEA 2000 and sends the data over MQTT, with no write path to the control system.
Free material to design, test and supervise the project before you order anything.
Free course · 9 lessons
Your PLCs send data over MQTT or Modbus. This course shows how to turn that data into screens, alarms and history with Node-RED.
Tell us what the system must do and which signals it has. An Industrial Shields engineer will answer with the model and the next steps.
Project:
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