How to Interface Industrial 4-20mA Sensors with Raspberry Pi Pico PLC | Mitsubishi FX1N PLC
#raspberrypipico #mitsubishi #4-20mA #plc #relay #temperature
4-20 mA industrial sensors are connected to a Raspberry Pi Pico-FX1N PLC with a 4-20 mA current-to-voltage converter module. The module output is first calibrated to 3.3 volts to match the Raspberry Pi Pico voltage tolerance range. A 4–20 mA current source injects a 4–20 mA current range into the module, and the corresponding zero and span output voltages are adjusted with potentiometers on the module as measured by a multimeter. An industrial temperature transmitter function is programmed into the Raspberry Pi Pico-FX1N PLC with the Mitsubishi GX works 2 to operate a relay at a setpoint.
The Raspberry Pi Pico, unlike the previous Raspberry Pis, is a microcontroller board like the Arduino Nano but built around the RP2040 microcontroller chip. You can turn a Raspberry Pi Pico into a Mitsubishi FX1N Programmable Logic Controller (PLC). A firmware developed by Suratin of TF Maker Shop on GitHub will turn a Raspberry Pi Pico into a Mitsubishi FX1N PLC. The Raspberry Pi Pico - Mitsubishi FX1N PLC can then be programmed with GX Works2 or GX Developer. The GX Works2 or GX Developer software is the Mitsubishi OEM software for programming their brand and series of PLCs.
Pi Pico-FX1N PLC Analog Input 0:25
Analog Input Simulation 1:07
Current Module Calibration 2:32
Temperature Transmitter 3:43
FX1N Firmware Download: https://github.com/suratin27
Turning Your Raspberry Pi Pico to Mitsubishi FX1N PLC: • Turning Your Raspberry Pi Pico to Mit...
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1. Raspberry Pi Pico
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2. Raspberry Pi Pico Screw Terminal Expansion Board
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