diff --git a/Debug/debug/M3KTE_TERM.exe b/Debug/debug/M3KTE_TERM.exe
deleted file mode 100644
index ec7b5ae..0000000
Binary files a/Debug/debug/M3KTE_TERM.exe and /dev/null differ
diff --git a/M3KTE_TERM/devicesettingsdialog.cpp b/M3KTE_TERM/devicesettingsdialog.cpp
index 5a43c68..f793ea7 100644
--- a/M3KTE_TERM/devicesettingsdialog.cpp
+++ b/M3KTE_TERM/devicesettingsdialog.cpp
@@ -21,8 +21,7 @@ DeviceSettingsDialog::DeviceSettingsDialog(QWidget *parent) :
 
     _currentParity = ui->parityBox->currentIndex();
 
-    for(int i = 0; i < 4; i++)
-    {
+    for(int i = 0; i < 4; i++) {
         _currentAdrs[i] = i+1;
     }
 }
@@ -81,16 +80,12 @@ void DeviceSettingsDialog::updateSettingsAfterConnection(unsigned tmp_speed, uns
     if(tmp_parity>0)
         tmp_parity--;
     ui->parityBox->setCurrentIndex(_currentParity = tmp_parity);
-    for(int i = 0; i < 4; i++)
-    {
-        if(ActiveDevices[i])
-        {
+    for(int i = 0; i < 4; i++) {
+        if(ActiveDevices[i]) {
             _m_timer[i]->setEnabled(true);
             ui->idComboBox->addItem(QString::number(i));
             _currentAdrs[i] = tmp_adr[i];
-        }
-        else
-        {
+        } else {
             _m_timer[i]->setEnabled(false);
         }
     }
@@ -121,8 +116,7 @@ void DeviceSettingsDialog::on_buttonBox_clicked(QAbstractButton *button)
         ui->parityBox->setCurrentIndex(0);
         _currentParity = ui->parityBox->currentIndex();
 
-        for(int i = 0; i < 4; i++)
-        {
+        for(int i = 0; i < 4; i++) {
             _currentAdrs[i] = i+1;
         }
         ui->adrSpinBox->setValue(_currentAdrs[ui->idComboBox->currentIndex()]);
diff --git a/M3KTE_TERM/lineringer.cpp b/M3KTE_TERM/lineringer.cpp
index 4422eb9..285ae5b 100644
--- a/M3KTE_TERM/lineringer.cpp
+++ b/M3KTE_TERM/lineringer.cpp
@@ -8,8 +8,7 @@ LineRinger::LineRinger(QWidget *parent) :
     ui->setupUi(this);
 
     const auto listPorts = QSerialPortInfo::availablePorts();
-    for (const auto& port: listPorts)
-    {
+    for (const auto& port: listPorts) {
         ui->comBox->addItem(QString(port.portName() + ": " + port.manufacturer()), QVariant(port.portName()));
     }
 
@@ -55,9 +54,9 @@ void LineRinger::syncColumnHeaders()
 
 void LineRinger::on_connectButton_clicked()
 {
-    if (!modbusDevice)
+    if(!modbusDevice)
         return;
-    if (modbusDevice->state() != QModbusDevice::ConnectedState) {
+    if(modbusDevice->state() != QModbusDevice::ConnectedState) {
         modbusDevice->setConnectionParameter(QModbusDevice::SerialPortNameParameter,
                                              ui->comBox->currentData().toString());
 #if QT_CONFIG(modbus_serialport)
@@ -72,7 +71,7 @@ void LineRinger::on_connectButton_clicked()
 #endif
         modbusDevice->setTimeout(50);
         modbusDevice->setNumberOfRetries(0);
-        if (!modbusDevice->connectDevice()) {
+        if(!modbusDevice->connectDevice()) {
             QMessageBox::warning(this, "Ошибка", "Произошла ошибка при попытке подключения.");
         } else {
             ui->connectButton->setText(tr("Отключить"));
@@ -94,105 +93,84 @@ LineRinger::callStatus LineRinger::lineCall()
     bool *tmp_isRun = &isRun;
     uint tmp_adr = 1;
     auto bar = new QProgressDialog(this);
-    connect(bar, &QProgressDialog::canceled, this, [this, tmp_isRun]()
-    {
+    connect(bar, &QProgressDialog::canceled, this, [this, tmp_isRun]() {
         *tmp_isRun = true;
     });
-    connect(this, &LineRinger::stopLineCall, this, [this, tmp_isRun]()
-    {
+    connect(this, &LineRinger::stopLineCall, this, [this, tmp_isRun]() {
        *tmp_isRun = true;
     });
     bar->setLabelText(tr("Поиск устройств... Текущий адрес: %1").arg(tmp_adr));
     bar->setCancelButton(nullptr);
     bar->setRange(1, 247);
     bar->setMinimumDuration(100);
-    for(tmp_adr = 1; tmp_adr<248; tmp_adr++)
-    {
+    for(tmp_adr = 1; tmp_adr<248; tmp_adr++) {
         bar->setValue(tmp_adr);
         bar->setLabelText(tr("Поиск устройств... Текущий адрес: %1/247").arg(tmp_adr));
         auto *reply = modbusDevice->sendRawRequest(readDeviceBasicIdentification, tmp_adr);
         //auto *reply = modbusDevice->sendReadRequest(*_unit, tmp_adr);
         //Запрос типа устройства.
-        if(reply == nullptr)
-        {
+        if(reply == nullptr) {
             QMessageBox::warning(this, "Ошибка при сканировании.", QString("%1").arg(modbusDevice->errorString()));
             bar->close();
             bar->deleteLater();
             return callStatus::ERROR;
         }
-        while(!reply->isFinished())
-        {
-            if(isRun)
-            {
+        while(!reply->isFinished()) {
+            if(isRun) {
                 bar->close();
                 bar->deleteLater();
                 return callStatus::INTERRUPT;
             }
             QCoreApplication::processEvents();
         }
-        if(isRun)
-        {
+        if(isRun) {
             bar->close();
             bar->deleteLater();
             return callStatus::INTERRUPT;
-        }
-        else if (!isRun)
-        {
+        } else if(!isRun) {
             //Нужна проверка типа устройства
-            if(reply->error()!=QModbusDevice::TimeoutError)
-            {
+            if(reply->error()!=QModbusDevice::TimeoutError) {
                 deviceOnLine currentDevice;
                 currentDevice.adr = tmp_adr;
                 currentDevice.baudRate = currentBaudRate;
                 bool regularReplyError = false;
                 QString regularReplyErrorString;
-                if(reply->error()==QModbusDevice::NoError)
-                {
+                if(reply->error()==QModbusDevice::NoError) {
                     QModbusResponse resp = reply->rawResult();
                     uint8_t numOfObject = resp.data().at(5);
                     QByteArray result = resp.data().remove(0, 6);
-                    for(int tmp_obj = 0; tmp_obj < numOfObject; tmp_obj++)
-                    {
+                    for(int tmp_obj = 0; tmp_obj < numOfObject; tmp_obj++) {
                         uint8_t objectID = result.at(0);
                         uint8_t lengthOfObject = result.at(1);
-                        if(lengthOfObject>0)
-                        {
+                        if(lengthOfObject>0) {
                             currentDevice.fields[objectID].clear();
                         }
-                        for(int i = 0; i < lengthOfObject; i++)
-                        {
+                        for(int i = 0; i < lengthOfObject; i++) {
                             currentDevice.fields[objectID] += QString(result.at(2+i));
                         }
                         result.remove(0, lengthOfObject+2);
                     }
                     auto *regularReply = modbusDevice->sendRawRequest(readDeviceRegularIdentification, tmp_adr);
-                    if(regularReply == nullptr)
-                    {
+                    if(regularReply == nullptr) {
                         QMessageBox::warning(this, "Ошибка при сканировании.", QString("%1: %2").arg(modbusDevice->error()).arg(modbusDevice->errorString()));
                         bar->close();
                         bar->deleteLater();
                         return callStatus::ERROR;
                     }
-                    while(!regularReply->isFinished())
-                    {
-                        if(isRun)
-                        {
+                    while(!regularReply->isFinished()) {
+                        if(isRun) {
                             bar->close();
                             bar->deleteLater();
                             return callStatus::INTERRUPT;
                         }
                         QCoreApplication::processEvents();
                     }
-                    if(isRun)
-                    {
+                    if(isRun) {
                         bar->close();
                         bar->deleteLater();
                         return callStatus::INTERRUPT;
-                    }
-                    else if(!isRun)
-                    {
-                        if(regularReply->error()!=QModbusDevice::NoError)
-                        {
+                    } else if(!isRun) {
+                        if(regularReply->error()!=QModbusDevice::NoError) {
 //                            QMessageBox::warning(this, "Ошибка при сканировании.", QString("%1: %2").arg(regularReply->error()).arg(regularReply->errorString()));
 //                            bar->close();
 //                            bar->deleteLater();
@@ -203,14 +181,12 @@ LineRinger::callStatus LineRinger::lineCall()
                         QModbusResponse regularResp = regularReply->rawResult();
                         uint8_t numOfRegularObject = regularResp.data().at(5);
                         QByteArray regularResult = regularResp.data().remove(0, 6);
-                        for(int tmp_obj = 0; tmp_obj < numOfRegularObject; tmp_obj++)
-                        {
+                        for(int tmp_obj = 0; tmp_obj < numOfRegularObject; tmp_obj++) {
                             uint8_t objectID = regularResult.at(0);
                             if(objectID > 0x06)
                                 continue;
                             uint8_t lengthOfObject = regularResult.at(1);
-                            if(lengthOfObject>0)
-                            {
+                            if(lengthOfObject>0) {
                                 currentDevice.fields[objectID].clear();
                             }
                             for (int i = 0; i < lengthOfObject; i++) {
@@ -220,8 +196,7 @@ LineRinger::callStatus LineRinger::lineCall()
                         }
                     }
                 }
-                if(!isRun)
-                {
+                if(!isRun) {
                     devicesList.append(currentDevice);
                     unsigned newRow = ui->deviceOnlineView->rowCount();
                     ui->deviceOnlineView->insertRow(newRow);
@@ -230,12 +205,9 @@ LineRinger::callStatus LineRinger::lineCall()
                     for (int i = 0; i < 7; i++) {
                         ui->deviceOnlineView->setItem(newRow, i+2, new QTableWidgetItem(currentDevice.fields[i]));
                     }
-                    if(reply->error()!=QModbusDevice::NoError)
-                    {
+                    if(reply->error()!=QModbusDevice::NoError) {
                         ui->deviceOnlineView->setItem(newRow, 9, new QTableWidgetItem(QString("%1: %2").arg(reply->error()).arg(reply->errorString())));
-                    }
-                    else if(regularReplyError)
-                    {
+                    } else if(regularReplyError) {
                            ui->deviceOnlineView->setItem(newRow, 9, new QTableWidgetItem(regularReplyErrorString));
                     }
                     ui->deviceOnlineView->resizeColumnsToContents();
@@ -254,16 +226,14 @@ void LineRinger::on_ringButton_clicked()
     syncColumnHeaders();
     while(ui->deviceOnlineView->rowCount()!=0)
         ui->deviceOnlineView->removeRow(ui->deviceOnlineView->rowCount()-1);
-    if(isAutoBaud)
-    {
+    if(isAutoBaud) {
         auto bar = new QProgressDialog(this);
         bar->setLabelText(tr("Поиск устройств... Текущая скорость: %1").arg(currentBaudRate));
         bar->setRange(0, ui->baudRateBox->count());
         bar->setAutoClose(true);
         bar->setMinimumDuration(0);
         bar->setCancelButton(nullptr);
-        connect(bar, &QProgressDialog::canceled, this, [this]()
-        {
+        connect(bar, &QProgressDialog::canceled, this, [this]() {
            emit stopLineCall();
         });
         bar->setValue(0);
@@ -271,7 +241,6 @@ void LineRinger::on_ringButton_clicked()
         ui->deviceOnlineView->setColumnHidden(1, false);
         modbusDevice->disconnectDevice();
         for (int i = 0; i < ui->baudRateBox->count(); i++) {
-
             bar->setValue(i+1);
 
             modbusDevice->setConnectionParameter(QModbusDevice::SerialBaudRateParameter,
@@ -283,8 +252,7 @@ void LineRinger::on_ringButton_clicked()
             }
             currentBaudRate = ui->baudRateBox->itemText(i).toUInt(nullptr, 10);
             bar->setLabelText(tr("Поиск устройств... Текущая скорость: %1").arg(currentBaudRate));
-            if(lineCall() == callStatus::INTERRUPT)
-            {
+            if(lineCall() == callStatus::INTERRUPT) {
                 QMessageBox::warning(this, "Уведомление", QString("Досрочное завершение опроса. Найдено %1 устройств.").arg(devicesList.count()));
                 modbusDevice->disconnectDevice();
                 on_connectButton_clicked();
@@ -297,12 +265,9 @@ void LineRinger::on_ringButton_clicked()
             modbusDevice->disconnectDevice();
         }
         on_connectButton_clicked();
-    }
-    else
-    {
+    } else {
         ui->deviceOnlineView->setColumnHidden(1, true);
-        if(lineCall() == callStatus::INTERRUPT)
-        {
+        if(lineCall() == callStatus::INTERRUPT) {
             QMessageBox::warning(this, "Уведомление", QString("Досрочное завершение опроса. Найдено %1 устройств.").arg(devicesList.count()));
         }
     }
diff --git a/M3KTE_TERM/m3kte.cpp b/M3KTE_TERM/m3kte.cpp
index 230a60a..7287c01 100644
--- a/M3KTE_TERM/m3kte.cpp
+++ b/M3KTE_TERM/m3kte.cpp
@@ -353,8 +353,7 @@ M3KTE::M3KTE(QWidget *parent)
     ui->writeTable->addItem(tr("Exceptions"), QModbusDataUnit::Coils);
     ui->writeTable->addItem(tr("Warnings"), QModbusDataUnit::HoldingRegisters);
     ui->writeTable->addItem(tr("Accidents"), QModbusDataUnit::HoldingRegisters);
-    for(int i = 0; i < 4; i++)
-    {
+    for(int i = 0; i < 4; i++) {
         Boards[i].ModbusModelCoil = new WriteRegisterModel(this, 85 - (i/3*20), false);
         Boards[i].ModbusModelCoil->setStartAddress(0);
         Boards[i].ModbusModelCoil->setNumberOfValues(QString::number(85-(i/3*20)));
@@ -374,20 +373,16 @@ M3KTE::M3KTE(QWidget *parent)
     Boards[1].boardScanners->setSingleShot(true);
     Boards[2].boardScanners->setSingleShot(true);
     Boards[3].boardScanners->setSingleShot(true);
-    connect(Boards[0].boardScanners, &QTimer::timeout, this, [this]()
-    {
+    connect(Boards[0].boardScanners, &QTimer::timeout, this, [this]() {
         boardScan(0);
     });
-    connect(Boards[1].boardScanners, &QTimer::timeout, this, [this]()
-    {
+    connect(Boards[1].boardScanners, &QTimer::timeout, this, [this]() {
         boardScan(1);
     });
-    connect(Boards[2].boardScanners, &QTimer::timeout, this, [this]()
-    {
+    connect(Boards[2].boardScanners, &QTimer::timeout, this, [this]() {
         boardScan(2);
     });
-    connect(Boards[3].boardScanners, &QTimer::timeout, this, [this]()
-    {
+    connect(Boards[3].boardScanners, &QTimer::timeout, this, [this]() {
         boardScan(3);
     });
     Boards[0].adr = 1;
@@ -426,13 +421,11 @@ M3KTE::M3KTE(QWidget *parent)
         Boards[i].timerData->setText(" ");
         Boards[i].timerStatus->setText(" ");;
     }
-    for(int i = 0; i < 5; i++)
-    {
+    for(int i = 0; i < 5; i++) {
         ui->writeValueTable->resizeColumnToContents(i);
     }
     QBrush tb(Qt::transparent); // Transparent brush, solid pattern
-    for(int i = 0; i<320; i++)
-    {
+    for(int i = 0; i<320; i++) {
         m_ProgressBar[i]->setTextVisible(true);
         m_ProgressBar[i]->setMinimumSize(25, 25);
         m_ProgressBar[i]->setMaximumSize(25, 25);
@@ -464,8 +457,7 @@ M3KTE::M3KTE(QWidget *parent)
 
 M3KTE::~M3KTE()
 {
-    if(modbusDevice->state() == QModbusDevice::ConnectedState)
-    {
+    if(modbusDevice->state() == QModbusDevice::ConnectedState) {
         onConnectClicked();
     }
     delete ui;
@@ -521,8 +513,7 @@ void M3KTE::onConnectClicked()
         } else {
             ui->ConnectionMenuConnect->setEnabled(false);
             ui->ConnectionMenuDisconnect->setEnabled(true);
-            if(pingNetworkDevices()) //Опрос устройств
-            {
+            if(pingNetworkDevices()) { //Опрос устройств
                 unsigned tmp_adr[4];
                 bool ActiveDevices[4];
                 for(int i = 0; i < 4; i++) {
@@ -546,13 +537,11 @@ void M3KTE::onConnectClicked()
         }
     } else {
         QString style_fc_off = "QProgressBar {border: 2px solid black; font: bold 10px} QProgressBar::chunk {background: hsva(" + QString::number(30) + ", 30, 30, 30%);} ";
-        for(int i = 0; i < 4; i++)
-        {
+        for(int i = 0; i < 4; i++) {
             Boards[i].boardScanners->stop();
             Boards_Fields[i]->setEnabled(false);
             Boards[i].isActive=false;
-            for(int j = 0; j < (85 - (i/3*20)); j++)
-            {
+            for(int j = 0; j < (85 - (i/3*20)); j++) {
                 Boards[i].coil[j] = false;
                 Boards[i].ModbusModelCoil->m_coils[j]=0;
                 Boards[i].ModbusModelHoldingReg->m_currentU[j]=0;
@@ -563,8 +552,7 @@ void M3KTE::onConnectClicked()
             Boards[i].timerData->setText(" ");;
             Boards[i].timerStatus->setText(" ");;
         }
-        for(int i = 0; i < 320; i++)
-        {
+        for(int i = 0; i < 320; i++) {
             m_ProgressBar[i]->setStatusTip(QString("П%1 ТЭ%2: Топливный Элемент не учитывается.").arg(QString::number(i/85+1), QString::number(i%85)));
             m_ProgressBar[i]->setWhatsThis(QString("П%1 ТЭ%2: Топливный Элемент не учитывается.").arg(QString::number(i/85+1), QString::number(i%85)));
             m_ProgressBar[i]->setValue(3);
@@ -609,10 +597,8 @@ void M3KTE::onReadReady()
     if(!reply)
         return;
     int Adr = 255;
-    for(int i = 0; i < 4; i++)
-    {
-        if(Boards[i].isActive && Boards[i].adr==reply->serverAddress())
-        {
+    for(int i = 0; i < 4; i++) {
+        if(Boards[i].isActive && Boards[i].adr==reply->serverAddress()) {
             Adr = i;
             break;
         }
@@ -620,16 +606,13 @@ void M3KTE::onReadReady()
     if(reply->error() == QModbusDevice::NoError) {
         const QModbusDataUnit unit = reply->result();
         for(int i = 0, total = int(unit.valueCount()); i < total; ++i) {
-            if(unit.registerType() == QModbusDataUnit::Coils)
-            {
+            if(unit.registerType() == QModbusDataUnit::Coils) {
                 Boards[Adr].coil[i + unit.startAddress()] = unit.value(i);
                 if(unit.value(i)==1)
                     Boards[Adr].ModbusModelCoil->setData(ui->writeValueTable->model()->index(i + unit.startAddress(), 2), Qt::Checked, Qt::CheckStateRole);
                 else
                     Boards[Adr].ModbusModelCoil->setData(ui->writeValueTable->model()->index(i + unit.startAddress(), 2), Qt::Unchecked, Qt::CheckStateRole);
-            }
-            else if(unit.registerType() == QModbusDataUnit::HoldingRegisters)
-            {
+            } else if(unit.registerType() == QModbusDataUnit::HoldingRegisters) {
                 Boards[Adr].HR[i + unit.startAddress()] = unit.value(i);
                 Boards[Adr].ModbusModelHoldingReg->setData(ui->writeValueTable->model()->index(i + unit.startAddress(), 3), QString::number(unit.value(i), 16), Qt::EditRole);
             }
@@ -690,9 +673,7 @@ void M3KTE::onWriteButtonClicked()
         {
             Boards[ui->boardSelectBox->currentIndex()].coil[i+writeUnit.startAddress()] = Boards[ui->boardSelectBox->currentIndex()].ModbusModelCoil->m_coils[i + writeUnit.startAddress()];
             writeUnit.setValue(i, Boards[ui->boardSelectBox->currentIndex()].ModbusModelCoil->m_coils[i + writeUnit.startAddress()]);
-        }
-        else
-        {
+        } else {
             Boards[ui->boardSelectBox->currentIndex()].HR[i+writeUnit.startAddress()] = Boards[ui->boardSelectBox->currentIndex()].ModbusModelHoldingReg->m_holdingRegisters[i+writeUnit.startAddress()];
             writeUnit.setValue(i, Boards[ui->boardSelectBox->currentIndex()].ModbusModelHoldingReg->m_holdingRegisters[i + writeUnit.startAddress()]);
         }
@@ -768,8 +749,7 @@ void M3KTE::changeTable(int board, int tabletype)
         }
         ui->writeValueTable->hideColumn(3);
         ui->writeValueTable->showColumn(2);
-    }
-    else {
+    } else {
         ui->writeValueTable->setModel(Boards[board].ModbusModelHoldingReg);
         if(tabletype==1) {
             Boards[board].ModbusModelHoldingReg->setStartAddress(0);
@@ -780,8 +760,7 @@ void M3KTE::changeTable(int board, int tabletype)
             for(;i<Boards[board].ModbusModelHoldingReg->rowCount();i++) {
                 ui->writeValueTable->setRowHidden(i, ui->writeValueTable->model()->index(i, 0).parent(), true);
             }
-        }
-        else {
+        } else {
             Boards[board].ModbusModelHoldingReg->setStartAddress(Boards[board].ModbusModelHoldingReg->rowCount()/2);
             int i = 0;
             for(;i<Boards[board].ModbusModelHoldingReg->rowCount()/2;i++) {
@@ -862,8 +841,7 @@ bool M3KTE::event(QEvent *event)
                                 loggerTable->verticalScrollBar()->setSliderPosition(loggerTable->verticalScrollBar()->maximum());
                             reply->deleteLater();
                         }
-                    }
-                    else {
+                    } else {
                         unsigned newRow = loggerTable->rowCount();
                         loggerTable->insertRow(newRow);
                         loggerTable->setItem(newRow, 0, new QTableWidgetItem((QTime::currentTime().toString("HH:mm:ss"))));
@@ -891,8 +869,7 @@ bool M3KTE::event(QEvent *event)
                 reply->deleteLater();
                 delete reply;
             }
-        }
-        else {
+        } else {
             unsigned newRow = loggerTable->rowCount();
             loggerTable->insertRow(newRow);
             loggerTable->setItem(newRow, 0, new QTableWidgetItem((QTime::currentTime().toString("HH:mm:ss"))));
@@ -907,8 +884,7 @@ bool M3KTE::event(QEvent *event)
         }
         m_deviceSettingsDialog->show();
         return true;
-    }
-    else if(event->type() == (QEvent::Type)1001) {
+    } else if(event->type() == (QEvent::Type)1001) {
         pollStatusChange* _event = static_cast<pollStatusChange*>(event);
         QModbusDataUnit* _unit = new QModbusDataUnit(QModbusDataUnit::HoldingRegisters, 170, 1);
         _unit->setValue(0, _event->Status());
@@ -928,8 +904,7 @@ bool M3KTE::event(QEvent *event)
                         reply->deleteLater();
                     }
                 });
-        }
-        else {
+        } else {
             unsigned newRow = loggerTable->rowCount();
             loggerTable->insertRow(newRow);
             loggerTable->setItem(newRow, 0, new QTableWidgetItem((QTime::currentTime().toString("HH:mm:ss"))));
@@ -1104,11 +1079,67 @@ void M3KTE::onSpeedUpdate()
 }
 */
 
+void M3KTE::checkBoards()
+{
+    QModbusDataUnit unitCheck(QModbusDataUnit::InputRegisters, 85, 1);
+
+    int totalActiveBoards = 0;
+    int confirmedBoards = 0;
+
+    QSet<int> pendingBoards;
+
+    for(int i = 0; i < 4; ++i) {
+        if(!Boards[i].isActive)
+            continue;
+
+        totalActiveBoards++;
+        int slaveAddress = Boards[i].adr;
+
+        QModbusReply *reply = modbusDevice->sendReadRequest(unitCheck, slaveAddress);
+        if(!reply) {
+            revertToOldSpeedAndRestart();
+            return;
+        }
+
+        pendingBoards.insert(slaveAddress);
+
+        connect(reply, &QModbusReply::finished, this, [this, reply, slaveAddress, &confirmedBoards, &pendingBoards, totalActiveBoards]() mutable {
+            if(reply->error() == QModbusDevice::NoError) {
+                // Проверяем что пришел валидный ответ
+                QModbusDataUnit unit = reply->result();
+                if(unit.valueCount() > 0) {
+                    confirmedBoards++;
+                } else {
+
+                }
+            } else {
+
+            }
+
+            pendingBoards.remove(slaveAddress);
+            reply->deleteLater();
+
+            if(pendingBoards.isEmpty()) {
+                if(confirmedBoards != totalActiveBoards) {
+                    emit errorAtCheckBoards();
+                } else {
+                    emit successAtCheckBoards();
+                }
+            }
+        });
+    }
+    // Если нет ни одной активной платы — сразу запускаем сканирование
+    if(totalActiveBoards == 0) {
+        emit errorAtCheckBoards();
+    }
+}
+
 void M3KTE::onSpeedUpdate()
 {
     stopScanBoard();
     modbusDevice->setTimeout(500);
 
+    unsigned tmp_speed = 0;
     switch(m_deviceSettingsDialog->currentSpeed()) {
     case 0:
         tmp_speed = 9600;
@@ -1149,145 +1180,57 @@ void M3KTE::onSpeedUpdate()
         beginScanBoards();
         return;
     }
-    speedChangeRequests.clear();
-    pendingSpeedChangeRequestsCount = 0;
-    for(int i = 0; i < 4; i++) {
-        speedChangeRequests[i].errorOccurred = false;
-        speedChangeRequests[i].finished = false;
-        speedChangeRequests[i].confirmationReceived = false;
-    }
-
-    for(int i = 0; i < 4; i++) {
-        if(!Boards[i].isActive)
-            continue;
-        QModbusDataUnit unit(QModbusDataUnit::HoldingRegisters, 173, 1);
-        unit.setValue(0, m_deviceSettingsDialog->currentSpeed());
-
-        auto *reply = modbusDevice->sendWriteRequest(unit, Boards[i].adr);
-        if (reply) {
-            SpeedChangeRequest req;
-            req.boardIndex = i;
-            speedChangeRequests.append(req);
-            pendingSpeedChangeRequestsCount++;
-
-            connect(reply, &QModbusReply::finished, this, [this, reply, i]() {
-                this->handleSpeedChangeReply(reply, i);
-            });
-        }
-        else
-        {
-
-        }
-    }
-}
-
-void M3KTE::handleSpeedChangeReply(QModbusReply *reply, int boardIndex)
-{
-    auto it = std::find_if(speedChangeRequests.begin(), speedChangeRequests.end(),
-                           [boardIndex](const SpeedChangeRequest &r) { return r.boardIndex == boardIndex; });
-
-    if (it == speedChangeRequests.end()) {
-        reply->deleteLater();
-        return;
-    }
-
-    // Обновление состояния
-    it->finished = true;
-
-    if (reply->error() != QModbusDevice::TimeoutError) {
-        // Произошла ошибка
-        it->errorOccurred = true; // флаг ошибки
-    }
-
-    reply->deleteLater();
-
-    // Отслеживание завершения всех запросов
-    pendingSpeedChangeRequestsCount--;
-
-    // Проверяем, все ли запросы завершены
-    if (pendingSpeedChangeRequestsCount == 0) {
-        // Проверяем, был ли хоть один сбой (кроме тайм-аутов)
-        bool hasError = false;
-        for (const auto &req : speedChangeRequests) {
-            if (req.errorOccurred) {
-                hasError = true;
-                break;
-            }
-        }
-        if (hasError) {
-            // Был сбой — отменяем переход и восстанавливаем старую скорость
-            // Восстановим старую скорость порта
-            revertToOldSpeedAndRestart();
-            modbusDevice->setTimeout(m_settingsDialog->settings().responseTime);
-            beginScanBoards();
-        } else {
-            onAllSpeedChangeRepliesReceived();
-        }
-    }
-}
-
-void M3KTE::onAllSpeedChangeRepliesReceived()
-{
-    // Переключаемся на tmp_speed
-    modbusDevice->disconnectDevice();
-    modbusDevice->setConnectionParameter(QModbusDevice::SerialBaudRateParameter, tmp_speed);
-    if (!modbusDevice->connectDevice()) {
-        return;
-    }
-
-    QModbusDataUnit unitCheck(QModbusDataUnit::InputRegisters, 85, 1);
 
     int totalActiveBoards = 0;
     int confirmedBoards = 0;
 
     QSet<int> pendingBoards;
 
-    for (int i = 0; i < 4; ++i) {
-        if (!Boards[i].isActive)
+    QModbusDataUnit unit(QModbusDataUnit::HoldingRegisters, 173, 1);
+    unit.setValue(0, m_deviceSettingsDialog->currentSpeed());
+
+    for(int i = 0; i < 4; i++) {
+        if(!Boards[i].isActive)
             continue;
 
-        totalActiveBoards++;
-        int slaveAddress = Boards[i].adr;
+        int slaveAdress = Boards[i].adr;
 
-        QModbusReply *reply = modbusDevice->sendReadRequest(unitCheck, slaveAddress);
-        if (!reply) {
-            revertToOldSpeedAndRestart();
-            return;
-        }
-
-        pendingBoards.insert(slaveAddress);
-
-        connect(reply, &QModbusReply::finished, this, [this, reply, slaveAddress, &confirmedBoards, &pendingBoards, totalActiveBoards]() mutable {
-            if (reply->error() == QModbusDevice::NoError) {
-                // Проверяем что пришел валидный ответ
-                QModbusDataUnit unit = reply->result();
-                if (unit.valueCount() > 0) {
+        auto *reply = modbusDevice->sendWriteRequest(unit, slaveAdress);
+        if(reply) {
+            totalActiveBoards++;
+            pendingBoards.insert(slaveAdress);
+            connect(reply, &QModbusReply::finished, this, [this, reply, slaveAdress, &confirmedBoards, &pendingBoards, totalActiveBoards, tmp_speed]() mutable {
+                if(reply->error() == QModbusDevice::TimeoutError) {
                     confirmedBoards++;
-                } else {
-
                 }
-            } else {
-
-            }
-
-            pendingBoards.remove(slaveAddress);
-            reply->deleteLater();
-
-            if (pendingBoards.isEmpty()) {
-                if (confirmedBoards != totalActiveBoards) {
-                    revertToOldSpeedAndRestart();
-                    beginScanBoards();
-                } else {
-                    modbusDevice->setTimeout(m_settingsDialog->settings().responseTime);
-                    beginScanBoards();
+                pendingBoards.remove(slaveAdress);
+                reply->deleteLater();
+                if(pendingBoards.isEmpty()) {
+                    if(confirmedBoards != totalActiveBoards) {
+                        modbusDevice->setTimeout(m_settingsDialog->settings().responseTime);
+                        revertToOldSpeedAndRestart();
+                        beginScanBoards();
+                    } else {
+                        // Переключаемся на tmp_speed
+                        modbusDevice->disconnectDevice();
+                        modbusDevice->setConnectionParameter(QModbusDevice::SerialBaudRateParameter, tmp_speed);
+                        modbusDevice->connectDevice();
+                        connect(this, &M3KTE::errorAtCheckBoards, this, [this](){
+                            disconnect(this, &M3KTE::errorAtCheckBoards, this, nullptr);
+                            modbusDevice->setTimeout(m_settingsDialog->settings().responseTime);
+                            revertToOldSpeedAndRestart();
+                            beginScanBoards();
+                        });
+                        connect(this, &M3KTE::successAtCheckBoards, this, [this](){
+                            disconnect(this, &M3KTE::successAtCheckBoards, this, nullptr);
+                            modbusDevice->setTimeout(m_settingsDialog->settings().responseTime);
+                            beginScanBoards();
+                        });
+                        checkBoards();
+                    }
                 }
-            }
-        });
-    }
-    // Если нет ни одной активной платы — сразу запускаем сканирование
-    if (totalActiveBoards == 0) {
-        modbusDevice->setTimeout(m_settingsDialog->settings().responseTime);
-        beginScanBoards();
+            });
+        }
     }
 }
 
@@ -1362,8 +1305,7 @@ void M3KTE::onParityUpdate()
                 modbusDevice->setConnectionParameter(QModbusDevice::SerialParityParameter,
                                                      m_settingsDialog->curParity());
                 modbusDevice->connectDevice();
-            }
-            else {
+            } else {
                 unsigned newRow = loggerTable->rowCount();
                 loggerTable->insertRow(newRow);
                 loggerTable->setItem(newRow, 0, new QTableWidgetItem((QTime::currentTime().toString("HH:mm:ss"))));
@@ -1829,7 +1771,6 @@ void M3KTE::displayResultOfScan(QModbusReply *reply, int boardID)
         loggerTable->resizeColumnsToContents();
         if(!loggerTable->verticalScrollBar()->isSliderDown())
             loggerTable->verticalScrollBar()->setSliderPosition(loggerTable->verticalScrollBar()->maximum());
-
     } else {
         statusBar()->showMessage(tr("Read response error: %1 (code: 0x%2)").
                                  arg(reply->errorString()).
diff --git a/M3KTE_TERM/m3kte.h b/M3KTE_TERM/m3kte.h
index 90aedec..0991e8d 100644
--- a/M3KTE_TERM/m3kte.h
+++ b/M3KTE_TERM/m3kte.h
@@ -63,6 +63,12 @@ private:
     bool autoBaudRateScan();
 
     void selectPositionOnTree(unsigned index);
+
+signals:
+
+    void successAtCheckBoards();
+    void errorAtCheckBoards();
+
 private slots:
 
     void slotmultipleRegWrite();
@@ -79,15 +85,15 @@ private slots:
     void onSelectedBoardChanged(int index);
     void onWriteTableChanged(int index);
 
+    void checkBoards();
+
     void onSpeedUpdate();
+    void revertToOldSpeedAndRestart();
+
     void onParityUpdate();
 
     void boardScan(unsigned boardID);
 
-    void handleSpeedChangeReply(QModbusReply *reply, int boardIndex);
-    void onAllSpeedChangeRepliesReceived();
-    void revertToOldSpeedAndRestart();
-
 public:
     M3KTE(QWidget *parent = nullptr);
     ~M3KTE();
@@ -117,8 +123,7 @@ private:
 
     unsigned error_terminal;
 
-    struct BoardModbusRegisters
-    {
+    struct BoardModbusRegisters {
         bool isActive = false;
         bool pollIsActive = true;
 
@@ -150,10 +155,8 @@ private:
         QElapsedTimer timerToDataResponse;
     }Boards[4];
 
-    union statusreg
-    {
-        struct parsingFields
-        {
+    union statusreg {
+        struct parsingFields {
             unsigned accident:1;
             unsigned warning:1;
             unsigned poll_allowed:1;
@@ -163,17 +166,5 @@ private:
         }ParsingReg;
         unsigned AllReg:16;
     };
-
-    // Структура для отслеживания состояния запроса смены скорости
-    struct SpeedChangeRequest {
-        int boardIndex;
-        bool errorOccurred = false;
-        bool finished = false;
-        bool confirmationReceived = false;
-    };
-    QVector<SpeedChangeRequest> speedChangeRequests;
-    int pendingSpeedChangeRequestsCount = 0;
-    int pendingConfirmationsCount = 0;
-    unsigned tmp_speed = 0;
 };
 #endif // M3KTE_H
diff --git a/M3KTE_TERM/multiplesettings.cpp b/M3KTE_TERM/multiplesettings.cpp
index 18ba4fc..8f7d678 100644
--- a/M3KTE_TERM/multiplesettings.cpp
+++ b/M3KTE_TERM/multiplesettings.cpp
@@ -18,28 +18,21 @@ MultipleSettings::~MultipleSettings()
 
 void MultipleSettings::on_buttonBox_clicked(QAbstractButton *button)
 {
-    if(button == ui->buttonBox->button(QDialogButtonBox::Ok))
-    {
+    if(button == ui->buttonBox->button(QDialogButtonBox::Ok)) {
         newValue = ui->regValueLine->text().toInt(nullptr, 16);
         typeReg = ui->regTypeBox->currentIndex();
         startAdr = ui->adrBox->value();
         countReg = ui->countBox->value();
         boardId = ui->boardBox->currentIndex();
         emit write();
-    }
-    else if (button == ui->buttonBox->button(QDialogButtonBox::SaveAll))
-    {
+    } else if (button == ui->buttonBox->button(QDialogButtonBox::SaveAll)) {
         newValue = ui->regValueLine->text().toInt(nullptr, 16);
         typeReg = ui->regTypeBox->currentIndex();
         startAdr = ui->adrBox->value();
         countReg = ui->countBox->value();
         boardId = ui->boardBox->currentIndex();
         emit writeAndSend();
-    }
-    else
-    {
-
-    }
+    } else {}
 }
 
 void MultipleSettings::on_regTypeBox_currentIndexChanged(int index)
diff --git a/M3KTE_TERM/settingsdialog.cpp b/M3KTE_TERM/settingsdialog.cpp
index 0c30974..c817d68 100644
--- a/M3KTE_TERM/settingsdialog.cpp
+++ b/M3KTE_TERM/settingsdialog.cpp
@@ -54,11 +54,9 @@ int SettingsDialog::UpdateBaud(int baud)
 int SettingsDialog::UpdateParity(int parity)
 {
     ui->parityCombo->setCurrentIndex(parity);
-    if(parity>0)
-    {
+    if(parity>0) {
         return  (m_settings.parity = ++parity);
-    }
-    else {
+    } else {
         return (m_settings.parity = parity);
     }
 }
@@ -77,8 +75,7 @@ void SettingsDialog::on_updateComBox_clicked()
 {
     ui->comBox->clear();
     const auto listPorts = QSerialPortInfo::availablePorts();
-    for (const auto& port: listPorts)
-    {
+    for (const auto& port: listPorts) {
         ui->comBox->addItem(QString(port.portName() + ": " + port.manufacturer()), QVariant(port.portName()));
     }
 }