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

ElecLabElecLab 02/02/2021 at 13:550 Comments

1. 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