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    Question Read SERIAL PORT in vs2008

    Alright Thanks for the info. I will tryout . Well last 2 bytes are the 16bit crc sent by slave device.
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    Question Read SERIAL PORT in vs2008

    Hey Budius, Thanks for the reply. Well i am totally new to vb.net programming. I searched but was not able to fine commsreader routine in .net3.5 . Well for readto method it reads the commport data into the value specified. Here i know that slave will be sending me 9bytes , so what i do is after...
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    Question Read SERIAL PORT in vs2008

    I working on modbus software. I am able to communicate with the modbus slave. The only problem with me is after i write the message on the serial port , i read the serial port for data after say 100ms and i use "system.threading.thread.sleep(100)". This freezes my program for a while. Can you...
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    system freezes?

    Hello Coders, I am New to vb.net programming. I am writing a code for rs485 communication. I want my program to send data request command to 5 slave units connected to my computer. I have added timer control timer1. This control fires every 5 seconds and pools all 5 slave units. My problem...
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    Question Modbus RTU Master Help Needed ...

    Hello, Well for ease i have declared byte array that is to be sent to slave. This array stores all the info in bytes and then this array is send via serial port to the slave. I have used serialport1.write(message,0,message.length) .
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