private ModBusTcpClient busTcpClient = new ModBusTcpClient("127.0.0.1", 51234, 0xFF); // 站号255
#endregion
private void userButton8_Click(object sender, EventArgs e)
{
HslCommunication.OperateResult <byte[]> read = busTcpClient.ReadDiscrete(0, 10);
if (read.IsSuccess)
{
// 共返回2个字节，以下展示手动处理位，分别获取10和线圈的通断情况
bool coil_0 = (read.Content[0] & 0x01) == 0x01;
bool coil_1 = (read.Content[0] & 0x02) == 0x02;
bool coil_2 = (read.Content[0] & 0x04) == 0x04;
bool coil_3 = (read.Content[0] & 0x08) == 0x08;
bool coil_4 = (read.Content[0] & 0x10) == 0x10;
bool coil_5 = (read.Content[0] & 0x20) == 0x20;
bool coil_6 = (read.Content[0] & 0x40) == 0x40;
bool coil_7 = (read.Content[0] & 0x80) == 0x80;
bool coil_8 = (read.Content[1] & 0x01) == 0x01;
bool coil_9 = (read.Content[1] & 0x02) == 0x02;
}
else
{
MessageBox.Show(read.ToMessageShowString());
}
}
private void button3_Click(object sender, EventArgs e)
{
byte.TryParse(txt_stationNumber.Text?.Trim(), out byte stationNumber);
if (string.IsNullOrWhiteSpace(txt_address.Text))
{
MessageBox.Show("请输入地址");
return;
}
try
{
dynamic result = null;
if (rd_bit.Checked)
{
result = client.ReadCoil(txt_address.Text, stationNumber);
}
else if (rd_short.Checked)
{
result = client.ReadInt16(txt_address.Text, stationNumber);
}
else if (rd_ushort.Checked)
{
result = client.ReadUInt16(txt_address.Text, stationNumber);
}
else if (rd_int.Checked)
{
result = client.ReadInt32(txt_address.Text, stationNumber);
}
else if (rd_uint.Checked)
{
result = client.ReadUInt32(txt_address.Text, stationNumber);
}
else if (rd_long.Checked)
{
result = client.ReadInt64(txt_address.Text, stationNumber);
}
else if (rd_ulong.Checked)
{
result = client.ReadUInt64(txt_address.Text, stationNumber);
}
else if (rd_float.Checked)
{
result = client.ReadFloat(txt_address.Text, stationNumber);
}
else if (rd_double.Checked)
{
result = client.ReadDouble(txt_address.Text, stationNumber);
}
else if (rd_discrete.Checked)
{
result = client.ReadDiscrete(txt_address.Text, stationNumber);
}
if (result.IsSucceed)
{
AppendText($"[读取 {txt_address.Text?.Trim()} 成功]：{result.Value}");
}
else
{
AppendText($"[读取 {txt_address.Text?.Trim()} 失败]：{result.Err}");
}
if (chb_show_package.Checked)
{
AppendText($"[请求报文]{result.Requst}");
AppendText($"[响应报文]{result.Response}\r\n");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}