private async void button1_Click(object sender, EventArgs e)
{
try
{
string address = textBoxAddress.Text;
ushort length = Convert.ToUInt16(textBoxLength.Text);
var response = melsecMc.ReadFloatAsync(address, length);
await response;
MessageBox.Show(response.ToJsonString());
}
catch (Exception ex)
{
}
}