using ComfileTech.Cfnet.Cfheader;
 
// Get the CFHEADER instances
var cfheader0 = Cfheader.Instances[0];
var cfheader1 = Cfheader.Instances[1];
var cfheader2 = Cfheader.Instances[2];
 
// Open USB communication for each CFHEADER instance
cfheader0.Open();
cfheader1.Open();
cfheader2.Open();
 
// Create a thread for each CFHEADER instance
var thread0 = new Thread(() => Demo(cfheader0));
var thread1 = new Thread(() => Demo(cfheader1));
var thread2 = new Thread(() => Demo(cfheader2));
 
// Start each thread
thread0.Start();
thread1.Start();
thread2.Start();
 
// Wait for each thread to finish
thread0.Join();
thread1.Join();
thread2.Join();
 
void Demo(Cfheader cfheader)
{
    // Get the digital output module
    var cfdo_16n0 = cfheader.DigitalOutputModules[0];
 
    // Initialize all channels to 0
    cfdo_16n0.State = 0x00;
 
    while (true)
    {
        foreach (var channel in cfdo_16n0.Channels)
        {
            // Toggle the channel on
            channel.State = !channel.State;
            channel.Module.Header.Sync();
 
            // Delay for 50ms
            Thread.Sleep(50);
 
            // Toggle the channel off
            channel.State = !channel.State;
            channel.Module.Header.Sync();
        }
    }
}