diff --git a/SCADA/Program/DataService/CacheReader.cs b/SCADA/Program/DataService/CacheReader.cs
index 84e88346..131af79d 100644
--- a/SCADA/Program/DataService/CacheReader.cs
+++ b/SCADA/Program/DataService/CacheReader.cs
@@ -389,7 +389,7 @@ public ItemData<int> ReadInt32(DeviceAddress address)
             }
             else
             {
-                result = (_cache[startIndex + 1] << 16) | ((ushort)_cache[startIndex]);
+                result = (_cache[startIndex] << 16) | ((ushort)_cache[startIndex + 1]);
             }
             return new ItemData<int>(result, 0, QUALITIES.QUALITY_GOOD);
         }
diff --git a/SCADA/Program/ModbusDriver/ModbusRTUDriver.cs b/SCADA/Program/ModbusDriver/ModbusRTUDriver.cs
index 86f807eb..52ac7d72 100644
--- a/SCADA/Program/ModbusDriver/ModbusRTUDriver.cs
+++ b/SCADA/Program/ModbusDriver/ModbusRTUDriver.cs
@@ -414,6 +414,17 @@ public DeviceAddress GetDeviceAddress(string address)
                         dv.Bit--;
                     }
                     break;
+                case '5':
+                    {
+                        dv.DBNumber = Modbus.fctWriteSingleCoil;
+                        int st;
+                        int.TryParse(address.Substring(1), out st);
+                        dv.Bit = (byte)(st % 16);
+                        st /= 16;
+                        dv.Start = st;
+                        dv.Bit--;
+                    }
+                    break;
                 case '1':
                     {
                         dv.DBNumber = Modbus.fctReadDiscreteInputs;
@@ -457,6 +468,22 @@ public DeviceAddress GetDeviceAddress(string address)
                         dv.ByteOrder = ByteOrder.BigEndian;
                     }
                     break;
+                case 'F':
+                    {
+                        int index = address.IndexOf('.');
+                        dv.DBNumber = Modbus.fctWriteMultipleRegister;
+                        if (index > 0)
+                        {
+                            dv.Start = int.Parse(address.Substring(1, index - 1));
+                            dv.Bit = byte.Parse(address.Substring(index + 1));
+                        }
+                        else
+                            dv.Start = int.Parse(address.Substring(1));
+                        dv.Start--;
+                        dv.Bit--;
+                        dv.ByteOrder = ByteOrder.BigEndian;
+                    }
+                    break;
             }
             return dv;
         }