how to connect sysmex xn-1000 machine(it is a labouratory machine to get the blood reports) through rs232 port in c# .net

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Requirement: get data from sysmex xn-1000 machine to your laptop using rs232 port

problem:
when iam connecting sysmex xn-1000 machine to my laptop through rs232 port. in that machine host indicator shows red color so iam not able to get data from the machine.
sysmex xn-1000 uses ASTM protocol. user manual tells that we have to send an acknowledgement to the sysmex xn-1000 machine when it sends an inquire.
i don't know how and when to send acknowledgement to the sysmex xn-1000 machine.
please help me out.

My Code:

C#

static void Main(string[] args)
        {

            string buff;


            SerialPort port = new SerialPort("COM4", 9600, Parity.None, 8, StopBits.One);
            port.Open();

C#

int data = myPort.BytesToRead;
 byte[] buffer = new byte[data];
Console.WriteLine(BitConverter.ToString(buffer) );
 Console.ReadLine();

}

Posted 26-May-15 18:30pm

Member 11710328

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Sergey Alexandrovich Kryukov · Answer 1 · 2015-05-26T18:45:00

I really sorry that you have been bound to use such a bad and outdated thing as a serial port. The answers lies somewhere at the other end of your RS-232 cable, where your Sysmex machine is, not your control system computer. You need to address the manufacturer documentation, not us. These are all the device-specific issues.

My only advise is to move all serial communication to a separate thread, especially when you start UI development. In this case, the UI update can be done using UI thread invocation mechanism ("Invoke", "BeginInvoke").

—SA