diff --git a/serialConnectionManager/ModbusMaster.cpp b/serialConnectionManager/ModbusMaster.cpp
index 3e5b5fa..c9231ab 100644
--- a/serialConnectionManager/ModbusMaster.cpp
+++ b/serialConnectionManager/ModbusMaster.cpp
@@ -18,10 +18,12 @@ ModBusMaster::~ModBusMaster()
 
 void ModBusMaster::init()
 {
-     qDebug() << " modBusMaster::init " <<QThread::currentThreadId() ;
-   objsimModbus.init();
+    connect(&objsimModbus, &Simulatermodbus::coilIsReady , this, &ModBusMaster::modbusReplyRecievedSimulate);
+    qDebug() << " modBusMaster::init " <<QThread::currentThreadId() ;
+    objsimModbus.init();
 
-   /* close();
+
+    /* close();
     modbusDevice = nullptr;
 
     modbusDevice = new QModbusRtuSerialMaster(this);
@@ -37,10 +39,10 @@ void ModBusMaster::init()
 
 void ModBusMaster::open(QString serialPort , int slaveAddress)
 {
-      qDebug() << "imodBusMaster::open " << QThread::currentThreadId() ;
-objsimModbus.open(serialPort, slaveAddress);
+    qDebug() << "imodBusMaster::open " << QThread::currentThreadId() ;
+    objsimModbus.open(serialPort, slaveAddress);
 
-   /* _serialPort = serialPort;
+    /* _serialPort = serialPort;
     _slaveAddress = slaveAddress;
     if (!modbusDevice)
         return;
@@ -116,16 +118,17 @@ void ModBusMaster::setMultipleRegister(int startAddress, quint16 writeSize , QVe
 
 QBitArray ModBusMaster::getCoil(int startAddress, quint16 readSize)
 {
-     qDebug() << " QThread::currentThreadId() getCoil befor" <<QThread::currentThreadId() ;
+
+    objsimModbus.readCoil(startAddress,readSize);
+    return clientCoil;
+    /*
+    qDebug() << " QThread::currentThreadId() getCoil befor" <<QThread::currentThreadId() ;
     QModbusDataUnit unit = readRequest(QModbusDataUnit::RegisterType::Coils,  startAddress, readSize);
     qDebug() << " QThread::currentThreadId() getCoil after" <<QThread::currentThreadId() ;
     mutex.lock();
     if(!freeThread)
         modBusAnswerNotReady.wait(&mutex);
     mutex.unlock();
-
-
-
     QBitArray coils;
     coils.resize(2);
     auto num = unit.valueCount();
@@ -134,12 +137,15 @@ QBitArray ModBusMaster::getCoil(int startAddress, quint16 readSize)
     {
         coils.setBit((unit.value(i)));
     }
+    return coils ;
+    */
 
 
 
-    return coils ;
-
+}
 
+void ModBusMaster::modbusReplyRecieved()
+{
 
 }
 
@@ -254,24 +260,11 @@ bool ModBusMaster::checkForError(QModbusReply *_reply)
 
 }
 
-void ModBusMaster::modbusReplyRecieved()
+void ModBusMaster::modbusReplyRecievedSimulate(QBitArray coilDataFromClient)
 {
-   qDebug() << " QThread::currentThreadId() inside slot" <<QThread::currentThreadId() ;
-    // auto reply = qobject_cast<QModbusReply *>(sender());
-    // if (!reply)
-    //     return;
-
-    // modbusReplyFromClient = reply;
-    freeThread=true;
-    mutex.lock();
-    if (freeThread)
-        modBusAnswerNotReady.wakeAll();
-    mutex.unlock();
-
-    //  reply->deleteLater();
 
+    clientCoil = coilDataFromClient;
 }
-
 void ModBusMaster::writeRequest(QModbusDataUnit::RegisterType registerType, int startAddress, quint16 writeSize)
 {
     qDebug() << " ---- setSingleCoil coilFlag writeRequest ";
diff --git a/serialConnectionManager/ModbusMaster.h b/serialConnectionManager/ModbusMaster.h
index d5f22e5..11b50a6 100644
--- a/serialConnectionManager/ModbusMaster.h
+++ b/serialConnectionManager/ModbusMaster.h
@@ -39,19 +39,19 @@ public:
 
     QModbusDataUnit readRequest(QModbusDataUnit::RegisterType registerType, int startAddress, quint16 readSize);
     void writeRequest(QModbusDataUnit::RegisterType registerType, int startAddress, quint16 readSize);
-
     bool checkForError(QModbusReply *_reply);
 
 signals:
     void  dataFromClient(QString readedParameter);
     void  modbusConnectionState(bool state);
     void finished();
-private slots:
-    void modbusReplyRecieved();
+
 public slots:
     void init();
     void open(QString serialPort, int slaveAddress);
     QBitArray getCoil(int startAddress, quint16 readSize);
+    void modbusReplyRecieved();
+    void modbusReplyRecievedSimulate(QBitArray coilDataFromClient);
 private:
     QModbusReply *modbusReplyFromClient;
     QModbusClient *modbusDevice = nullptr;
@@ -59,6 +59,7 @@ private:
     int _slaveAddress;
     SettingSerialParameters _modbusSettings;
     QBitArray _coilFlags;
+    QBitArray clientCoil;
     QVector<quint16> _registerValues;
     QWaitCondition modBusAnswerNotReady;
     QMutex mutex;
@@ -67,6 +68,7 @@ private:
 public:
     QModbusReply *reply;
     Simulatermodbus objsimModbus;
+
 };
 
 #endif // MODBUSMASTER_H
diff --git a/serialConnectionManager/Modbuswrapper.cpp b/serialConnectionManager/Modbuswrapper.cpp
index ac74165..d40515d 100644
--- a/serialConnectionManager/Modbuswrapper.cpp
+++ b/serialConnectionManager/Modbuswrapper.cpp
@@ -3,7 +3,7 @@
 ModbusWrapper::ModbusWrapper(QObject *parent) : QObject(parent)
 {
     qDebug() << " QThread::currentThreadId() ModbusWrapper before " <<QThread::currentThreadId() ;
-   // modBusObj = new modBusMaster();
+    // modBusObj = new modBusMaster();
 
 }
 
@@ -20,7 +20,7 @@ void ModbusWrapper::initWrapper(QString serialPort, int slaveAddress)
     workerThread.start();
 
     qDebug() << " QThread::currentThreadId() ModbusWrapper then " <<QThread::currentThreadId() ;
-     connect(this, &ModbusWrapper::openConnectionOrder, &modBusObj, &ModBusMaster::open, Qt::BlockingQueuedConnection);
+    connect(this, &ModbusWrapper::openConnectionOrder, &modBusObj, &ModBusMaster::open, Qt::BlockingQueuedConnection);
     connect(this, &ModbusWrapper::stopConnectionOrder, &modBusObj, &ModBusMaster::stop, Qt::BlockingQueuedConnection);
     connect(&workerThread, &QThread::started, &modBusObj, &ModBusMaster::init);
     connect(&modBusObj, &ModBusMaster::finished, &workerThread, &QThread::terminate);
@@ -37,6 +37,7 @@ void ModbusWrapper::stopWrapper()
 QBitArray ModbusWrapper::getCoilWrapper(int startAddress, quint16 numberOfEntries)
 {
     connect(this, &ModbusWrapper::getCoilOrder, &modBusObj, &ModBusMaster::getCoil, Qt::BlockingQueuedConnection);
-    emit getCoilOrder(startAddress, numberOfEntries);
+    QBitArray coilDataFromClient = emit getCoilOrder(startAddress, numberOfEntries);
+    return coilDataFromClient;
 }
 
diff --git a/serialConnectionManager/SimulaterModbus.h b/serialConnectionManager/SimulaterModbus.h
index b6880ff..8d9427d 100644
--- a/serialConnectionManager/SimulaterModbus.h
+++ b/serialConnectionManager/SimulaterModbus.h
@@ -1,19 +1,28 @@
 #ifndef SIMULATERMODBUS_H
 #define SIMULATERMODBUS_H
-
+#include <QBitArray>
 #include <QObject>
 #include <QTimer>
+
 class Simulatermodbus : public QObject
 {
     Q_OBJECT
 public:
     explicit Simulatermodbus(QObject *parent = nullptr);
-void init();
-void open(QString serialPort , int slaveAddress);
-signals:
+    void init();
+    void open(QString serialPort , int slaveAddress);
+    void readCoil(int startAddress, quint16 readSize);
+
+public: signals:
+    void initiateStateResult(bool initFlag);
+    void openStateResult(bool openFlag);
+    void coilIsReady(QBitArray coilDataFromClient);
+
+
 
 public:
-        QTimer *timer;
+    QTimer *timer;
+
 };
 
 #endif // SIMULATERMODBUS_H
diff --git a/serialConnectionManager/simulatermodbus.cpp b/serialConnectionManager/Simulatermodbus.cpp
similarity index 61%
rename from serialConnectionManager/simulatermodbus.cpp
rename to serialConnectionManager/Simulatermodbus.cpp
index d09efa2..2eb6d10 100644
--- a/serialConnectionManager/simulatermodbus.cpp
+++ b/serialConnectionManager/Simulatermodbus.cpp
@@ -24,7 +24,6 @@ void Simulatermodbus::open(QString serialPort, int slaveAddress)
 {
     QEventLoop qloop;
     qDebug() << "Simulatermodbus::open " << QThread::currentThreadId() ;
-    QThread::sleep(2);
     timer = new QTimer();
     timer->setInterval(2000);
     timer->start();
@@ -33,5 +32,24 @@ void Simulatermodbus::open(QString serialPort, int slaveAddress)
     qDebug() << " Simulatermodbus open Done serial is " << serialPort;
     qDebug() << " Simulatermodbus open Done slaveAddress is " << slaveAddress;
     timer->stop();
+
+}
+
+void Simulatermodbus::readCoil(int startAddress, quint16 readSize)
+{
+    QEventLoop qloop;
+    qDebug() << "Simulatermodbus::open " << QThread::currentThreadId() ;
+    timer = new QTimer();
+    timer->setInterval(2000);
+    timer->start();
+    connect(timer,  &QTimer::timeout, &qloop,  &QEventLoop::quit);
+    qloop.exec();
+    qDebug() << " Simulatermodbus open Done serial is " << startAddress;
+    qDebug() << " Simulatermodbus open Done slaveAddress is " << readSize;
+    timer->stop();
+    QBitArray bitArrayTemp;
+    bitArrayTemp.resize(1);
+    bitArrayTemp[0] = true;
+    emit coilIsReady(bitArrayTemp);
 }
 
diff --git a/serialConnectionManager/serialConnectionManager.pro b/serialConnectionManager/serialConnectionManager.pro
index 22e721c..c9b32ec 100644
--- a/serialConnectionManager/serialConnectionManager.pro
+++ b/serialConnectionManager/serialConnectionManager.pro
@@ -24,9 +24,9 @@ SOURCES += \
     Modbuswrapper.cpp \
     SerialportException.cpp \
     SettingSerialParameters..cpp \
+    Simulatermodbus.cpp \
     main.cpp \
-    mainwindow.cpp \
-    simulatermodbus.cpp
+    mainwindow.cpp
 
 HEADERS += \
     ModbusMaster.h \