Giselle.Net.ModbusTCP
Dependencies
References
Example
using (var client = new ModbusSimpleClient())
{
var user = new UserConsole();
client.Hostname = "192.168.1.100";
client.Opened += (sender, e) => user.SendMessage("Opened");
client.Closed += (sender, e) => user.SendMessage("Closed");
client.Start();
var read = "read";
var write = "write";
var inputs = new[] { read, write };
try
{
while (true)
{
var input = user.QueryInput("Enter", inputs, t => t, false).Value;
if (input == read)
{
var packet = new ModbusPacket();
packet.Header.UnitIdentifier = (byte)(user.ReadInput("unit id as int").AsInt ?? 0);
packet.Function = new ModbusFunction03ReadHoldingRegistersRequest()
{
StartingAddress = (ushort)(user.ReadInput("address as int").AsInt ?? 0),
QuantityOfRegisters = (ushort)(user.ReadInput("registers as int").AsInt ?? 0)
};
var _response = client.Enqueue(packet).Wait().Function;
if (_response is ModbusFunction03ReadHoldingRegistersResponse response)
{
user.SendMessage($"bytes : {BitConverter.ToString(response.Values)}");
}
else if (_response is ModbusFunctionErrorResponse error)
{
user.SendMessage($"error : {error.ErrorCode}");
}
else
{
user.SendMessage($"unknown response : {_response}");
}
}
else if (input == write)
{
var packet = new ModbusPacket();
packet.Header.UnitIdentifier = (byte)(user.ReadInput("unit id as int").AsInt ?? 0);
packet.Function = new ModbusFunction16WriteMultipleRegistersRequest()
{
StartingAddress = (ushort)(user.ReadInput("address as int").AsInt ?? 0),
QuantityOfRegisters = (ushort)(user.ReadInput("registers as int").AsInt ?? 0),
Values = user.ReadInputWhileBreak("bytes as byte until break", (u, i) => (byte)(i.AsInt ?? 0)).ToArray()
};
var _response = client.Enqueue(packet).Wait().Function;
if (_response is ModbusFunction16WriteMultipleRegistersResponse response)
{
user.SendMessage($"startingAddress : {response.StartingAddress}");
user.SendMessage($"quantityOfRegisters : {response.QuantityOfRegisters}");
}
else if (_response is ModbusFunctionErrorResponse error)
{
user.SendMessage($"error : {error.ErrorCode}");
}
else
{
user.SendMessage($"unknown response : {_response}");
}
}
}
}
catch (UserInputReturnException)
{
}
}