public void TcpExceptionOverSocketTest()
{
var model = new ModbusModel();
var scanner = new ModbusTCPScanner();
using (var server = new TcpServerModel(model, scanner))
using (var master = ModbusMaster.TCP(IPAddress.Loopback.ToString(), server.Port))
{
var ex = Assert.Throws <ModbusException>(() => H.SharedExceptionTest(master));
Assert.AreEqual("Modbus exception 2", ex.Message);
Assert.AreEqual(2, ex.Code);
}
}
public void TcpRetryAfterTimeoutTest()
{
var model = new ModbusModel();
var scanner = new ModbusTCPScanner();
using (var server = new TcpServerModel(model, scanner))
using (var master = ModbusMaster.TCP(IPAddress.Loopback.ToString(), server.Port, 50))
{
server.delay = 100;
Assert.Throws(typeof(Exception), () => master.WriteCoil(0, 0, false));
//client side delay needed to eat all server side delay otherwise
//the added socket stream discard on write will still throw tid mismatch
System.Threading.Thread.Sleep(100);
server.delay = 0;
master.WriteCoil(0, 0, false);
}
}
public void RackSweepTest()
{
//http://www.opto22.com/documents/1678_Modbus_TCP_Protocol_Guide.pdf
//required otg included in SharpOpto22
//m0.0 = 24V
//m0.1 = 0V
//m0.2 = m1.2
//m0.3 = m1.3
//m2.1 = m3.1
//m2.2 = m3.2
using (var master = ModbusMaster.TCP("10.77.0.2", 502))
{
master.WriteCoils(1, 4, Bools(4, false)); //clear module
Thread.Sleep(50);
master.WriteCoils(1, 64, Bools(4, true)); //clear on latches
master.WriteCoils(1, 128, Bools(4, true)); //clear off latches
Assert.AreEqual(true, master.ReadCoil(1, 0));
Assert.AreEqual(false, master.ReadCoil(1, 1));
Assert.AreEqual(false, master.ReadCoil(1, 2));
Assert.AreEqual(false, master.ReadCoil(1, 3));
master.WriteCoil(1, 6, false);
master.WriteCoil(1, 7, false);
Thread.Sleep(50);
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 64 + 2, 2));
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 128 + 2, 2));
Assert.AreEqual(new bool[] { false, false }, master.ReadCoils(1, 6, 2));
Assert.AreEqual(new bool[] { true, false, false, false }, master.ReadCoils(1, 0, 4));
master.WriteCoil(1, 6, true);
master.WriteCoil(1, 7, false);
Thread.Sleep(50);
Assert.AreEqual(true, master.ReadCoil(1, 0));
Assert.AreEqual(false, master.ReadCoil(1, 1));
Assert.AreEqual(true, master.ReadCoil(1, 2));
Assert.AreEqual(false, master.ReadCoil(1, 3));
Assert.AreEqual(new bool[] { true, false }, master.ReadInputs(1, 64 + 2, 2));
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 128 + 2, 2));
Assert.AreEqual(new bool[] { true, false }, master.ReadCoils(1, 6, 2));
Assert.AreEqual(new bool[] { true, false, true, false }, master.ReadCoils(1, 0, 4));
master.WriteCoil(1, 6, false);
master.WriteCoil(1, 7, true);
Thread.Sleep(50);
Assert.AreEqual(true, master.ReadCoil(1, 0));
Assert.AreEqual(false, master.ReadCoil(1, 1));
Assert.AreEqual(false, master.ReadCoil(1, 2));
Assert.AreEqual(true, master.ReadCoil(1, 3));
Assert.AreEqual(new bool[] { true, true }, master.ReadInputs(1, 64 + 2, 2));
Assert.AreEqual(new bool[] { true, false }, master.ReadInputs(1, 128 + 2, 2));
Assert.AreEqual(new bool[] { false, true }, master.ReadCoils(1, 6, 2));
Assert.AreEqual(new bool[] { true, false, false, true }, master.ReadCoils(1, 0, 4));
master.WriteCoils(1, 64, Bools(4, true)); //clear on latches
master.WriteCoils(1, 128, Bools(4, true)); //clear off latches
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 64 + 2, 2));
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 128 + 2, 2));
//analog
SetAnalog(master, 12, 0);
SetAnalog(master, 13, 0);
Assert.AreEqual(0, GetAnalog(master, 12));
Assert.AreEqual(0, GetAnalog(master, 13));
Thread.Sleep(50);
Assert.That(0f, Is.EqualTo(GetAnalog2(master, 8)).Within(0.1));
Assert.That(0f, Is.EqualTo(GetAnalog2(master, 9)).Within(0.1));
SetAnalog(master, 12, 5);
SetAnalog(master, 13, 10);
Assert.AreEqual(5, GetAnalog(master, 12));
Assert.AreEqual(10, GetAnalog(master, 13));
Thread.Sleep(50);
Assert.That(5f, Is.EqualTo(GetAnalog2(master, 8)).Within(0.1));
Assert.That(10f, Is.EqualTo(GetAnalog2(master, 9)).Within(0.1));
SetAnalog2(master, 12, -5);
SetAnalog2(master, 13, -10);
Assert.AreEqual(-5, GetAnalog(master, 12));
Assert.AreEqual(-10, GetAnalog(master, 13));
Thread.Sleep(50);
Assert.That(-5f, Is.EqualTo(GetAnalog2(master, 8)).Within(0.1));
Assert.That(-10f, Is.EqualTo(GetAnalog2(master, 9)).Within(0.1));
}
}