PLC

Turn Smartphone into HMI, control Arduino Uno with “HMI Modbus Free” software via Modbus RTU
29 Jun 2021

Turn Smartphone into HMI, control Arduino Uno with “HMI Modbus Free” software via Modbus RTU

by VanKhuong | posted in: Microcontroller, PLC | 0

1. Prepare Arduino Uno Micro USB OTG Cable HMI Modbus Free software download on CH Play Here, I put the rheostat on pin A0 and Led 12 2. Arduino Programming You see my previous post and follow, remember to test … Continued

arduino, hmi, modbus, VanKhuong
Communication Modbus Arduino Master with S7-200 Slave by RS485
29 Jun 2021

Communication Modbus Arduino Master with S7-200 Slave by RS485

by VanKhuong | posted in: Microcontroller, PLC | 0

Prepare UART TTL to RS485 . communication circuit DB9 port You wire as shown. Here I use S7-200 CPU226 with 2 communication ports. إلعب واربح Here you do not need to attach the resistor. Then attach DB9 port to Port 0 of … Continued

arduino, modbus, S7-200, TrungNam, VanKhuong
Send data from Arduino to S7-200 using RS485 without Modbus
29 Jun 2021

Send data from Arduino to S7-200 using RS485 without Modbus

by VanKhuong | posted in: Microcontroller, PLC | 0

Prepare UART TTL to RS485 . communication circuit DB9 port You wire as shown. Here I use S7-200 CPU226 with 2 communication ports. ربح المال من الانترنت مجانا Here you do not need to attach the resistor. Then attach DB9 port to … Continued

arduino, modbus, RS485, S7-200, VanKhuong
29 Jun 2021

Servo SG90 control with S7-200

by VanKhuong | posted in: PLC | 0

Servo SG90 control principle You guys often use the Arduino library to control the SG90, so sometimes I don’t pay attention to the principle, so did I before. Its principle is easy to understand: Generate a PWM pulse with a … Continued

PLC, PWM, S7-200, servo, SG90, TrungNam, VanKhuong
Communication Modbus Arduino as Slave
29 Jun 2021

Communication Modbus Arduino as Slave

by VanKhuong | posted in: Microcontroller, PLC | 1

Modbus is an industrial communication protocol standard that operates on the principle of “Master – Slave”. One Master can connect to many Slaves. Currently, most industrial devices use Modbus, so in order for the arduino to communicate with PLCs, HMIs, inverters, etc. … Continued

arduino, modbus, Modbus Poll, RS485, TrungNam, VanKhuong

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