ElecLab1. PLC 485 interface A,B signal is resevered with the display screen, open the PLC, exchange the A,B signal on the DB9
2. Configured the FX3U PLC according to Modbus Slave communication setting format
3. Writes AWTK GUI and Modbus communication code
4. Test the screen and plc
After finishing the above 4 steps, after a period of continuous electrical testing, Can initially use this control system for real applications
guide
A project log for ElecLab: Raspberry PI With FX3U PLC
Based on Raspberry Pi 7 inch touch screen and RS485 can be used for many control filed, We tested FX3U PLC with Modbus
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