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README.md
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README.md
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# MewtocolNet
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A Mewtocol protocol library to interface with Panasonic PLCs over TCP/Serial.
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# Support
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> This library was only tested with a few PLCs, other types that support the Panasonic Mewtocol protocol might work.
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> Use at your own risk, others might follow with community feedback
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|PLC Type|Supported|Tested|
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|--------|---------|------|
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FPX C14 |✔ |✔ |
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FPX C30 |✔ |✔ |
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FPX-H C14|✔ |✔ |
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FPX-H C30|✔ |✔ |
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FP Sigma |✔ |❌ |
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Where is the RS232/Serial support
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> Support for the serial protocol will be added soon, feel free to contribute
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# Usage
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1. Connecting to a PLC
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## Connecting to a PLC
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Connecting to a PLC is as simple as
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```C#
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//Create a new interface class with your PLCs IP address and port
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MewtocolInterface interf = new MewtocolInterface("127.0.0.1", 9094);
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//attaching a logger
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Logger.LogLevel = LogLevel.Verbose;
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Logger.OnNewLogMessage((date, msg) => {
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Console.WriteLine($"{date.ToString("HH:mm:ss")} {msg}");
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});
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//Setup the dataregisters of the PLC you want to read
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interf.AddRegister<short>("Test Integer",1204);
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interf.AddRegister<string>(1101, 4);
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//setting up a new PLC interface
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MewtocolInterface interf = new MewtocolInterface("10.237.191.3");
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//attaches an auto reader that polls the registers
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interf.WithPoller();
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await interf.ConnectAsync();
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```
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//triggers when a dataregister changes its value
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interf.RegisterChanged += (o) => {
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Console.WriteLine($"DT{o.MemoryAdress} {(o.Name != null ? $"({o.Name}) " : "")}changed to {o.GetValueString()}");
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};
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You can also use the callbacks of the `ConnectAsync()` method to do something after the initial connection establishment.
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//Connects to the PLC asynchronous and invokes connected or failed
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```C#
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await interf.ConnectAsync(
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(plcinf) => {
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Console.WriteLine("Connected to PLC:\n" + plcinf.ToString());
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//read back a register value
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var statusNum = (NRegister<short>)interf.Registers[1204];
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Console.WriteLine($"Status num is: {statusNum.Value}");
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//PLC connected
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(plc) => {
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if(plcinf.OperationMode.RunMode)
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Console.WriteLine("PLC is in RUN");
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},
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//Connection failed
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() => {
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Console.WriteLine("Failed connection");
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Console.WriteLine("PLC failed to connect");
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}
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);
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```
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## Reading data registers / contacts
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- Create a new class that inherits from `RegisterCollectionBase`
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```C#
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public class TestRegisters : RegisterCollectionBase {
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//corresponds to a R100 boolean register in the PLC
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[Register(100, RegisterType.R)]
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public bool TestBool1 { get; private set; }
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//corresponds to a XD input of the PLC
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[Register(RegisterType.X, SpecialAddress.D)]
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public bool TestBoolInputXD { get; private set; }
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//corresponds to a DT7012 - DT7013 as a 32bit time value that gets parsed as a timespan (TIME)
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//the smallest value to communicate to the PLC is 10ms
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[Register(7012)]
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public TimeSpan TestTime { get; private set; }
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//corresponds to a DT1101 - DT1104 string register in the PLC with (STRING[4])
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[Register(1101, 4)]
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public string TestString1 { get; private set; }
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}
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```
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- Connect to the PLC and attach the register collection and logger
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- attach an automatic poller by chaining `.WithPoller()` after the register attachment
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```C#
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//attaching a logger
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Logger.LogLevel = LogLevel.Verbose;
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Logger.OnNewLogMessage((date, msg) => {
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Console.WriteLine($"{date.ToString("HH:mm:ss")} {msg}");
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});
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//setting up a new PLC interface and register collection
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MewtocolInterface interf = new MewtocolInterface("192.168.115.3");
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TestRegisters registers = new TestRegisters();
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//attaching the register collection and an automatic poller
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interf.WithRegisterCollection(registers).WithPoller();
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await interf.ConnectAsync(
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(plcinf) => {
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//reading a value from the register collection
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Console.WriteLine($"Time Value is: {registers.TestTime}");
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}
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);
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```
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- Your properties are getting automatically updated after the initial connection
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> Note! this is not your only option to read registers, see here
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## Writing data registers / contacts
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### Synchronous
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Sets the register without feedback if it was set
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```C#
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//inverts the boolean register
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interf.SetRegister(nameof(registers.TestBool1), !registers.TestBool1);
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//set the current second to the PLCs TIME register
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interf.SetRegister(nameof(registers.TestTime), TimeSpan.FromSeconds(DateTime.Now.Second));
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//writes 'Test' to the PLCs string register
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interf.SetRegister(nameof(registers.TestString1), "Test");
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```
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You can also set a register by calling its name directly (Must be either in an attached register collection or added to the list manually)
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### Asynchronous
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Sets the register waiting for the PLC to confirm it was set
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```C#
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//inverts the boolean register
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interf.SetRegisterAsync(nameof(registers.TestBool1), !registers.TestBool1);
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```
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