#7 Programming the ESP8266 Modbus RTU & OP320 HMI Panel

#flprog #esp8266 #modbusrtu #hmi #arduinoplc #nodemcu
The OP320 HMI panel is programmed with the OP20 Edit tool and the ESP8266 NodeMCU with FLProg to control and monitor connected sensors and devices. The OP320 HMI panel controls a potentiometer, an LED and a mini servo motor through the ESP8266 NodeMCU. Modbus RTU protocol was programmed into the ESP8266 NodeMCU and configured in the OP320 HMI panel to communicate between the devices.
FLProg is a visual or graphical programming language that uses PLC's Function Block Diagram or Ladder Diagram for programming Arduino Uno, Micro, Nano, Mega Leonardo, ESP8266, EP32, Intel Galileo and lots more.
OP320-ESP8266 Connection 0:15
Modbus RTU 1:11
FLProg Ladder Logic 2:30
OP20 Editor Tool 4:13
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OP20 Edit Tool V8.0Q
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1. ESP8266 NodeMCU
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2. ESP8266 Adapter Board
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3. Bread Board
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4. LED
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5. Jumper Wire
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6. SG90 Servo motor
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7. TTL to RS485 485 Converter Module
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8. OP320 Operator Panel
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9. USB-MD204 Cable
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