diff --git a/DotNetSiemensPLCToolBoxLibrary.TIAV13/Step7ProjectV13Tia.cs b/DotNetSiemensPLCToolBoxLibrary.TIAV13/Step7ProjectV13Tia.cs
index df654386..a397e70d 100644
--- a/DotNetSiemensPLCToolBoxLibrary.TIAV13/Step7ProjectV13Tia.cs
+++ b/DotNetSiemensPLCToolBoxLibrary.TIAV13/Step7ProjectV13Tia.cs
@@ -883,13 +883,13 @@ internal static void parseChildren(TIADataRow parentRow, XElement parentElement,
                                 row.DataType = S7DataRowType.INT;
                                 break;
                             case "uint":
-                                row.DataType = S7DataRowType.WORD;
+                                row.DataType = S7DataRowType.UINT;
                                 break;
                             case "dint":
                                 row.DataType = S7DataRowType.DINT;
                                 break;
                             case "udint":
-                                row.DataType = S7DataRowType.DWORD;
+                                row.DataType = S7DataRowType.UDINT;
                                 break;
                             case "word":
                                 row.DataType = S7DataRowType.WORD;
@@ -921,6 +921,21 @@ internal static void parseChildren(TIADataRow parentRow, XElement parentElement,
                             case "time":
                                 row.DataType = S7DataRowType.TIME;
                                 break;
+                            case "sint":
+                                row.DataType = S7DataRowType.SINT;
+                                break;
+                            case "usint":
+                                row.DataType = S7DataRowType.USINT;
+                                break;
+                            case "ulint":
+                                row.DataType = S7DataRowType.ULINT;
+                                break;
+                            case "lint":
+                                row.DataType = S7DataRowType.LINT;
+                                break;
+                            case "lreal":
+                                row.DataType = S7DataRowType.LREAL;
+                                break;
                             default:
                                 row.DataType = S7DataRowType.UNKNOWN;
                                 break;
diff --git a/LibNoDaveConnectionLibrary/DataTypes/Blocks/Step7V5/S7DataRowType.cs b/LibNoDaveConnectionLibrary/DataTypes/Blocks/Step7V5/S7DataRowType.cs
index e28b83fb..c3418bf7 100644
--- a/LibNoDaveConnectionLibrary/DataTypes/Blocks/Step7V5/S7DataRowType.cs
+++ b/LibNoDaveConnectionLibrary/DataTypes/Blocks/Step7V5/S7DataRowType.cs
@@ -86,6 +86,14 @@ public enum S7DataRowType
         S5_KY = 0xf03,
         S5_KC = 0xf04,
         S5_C = 0xf0c,
+
+        SINT = 0x101,
+        USINT = 0x102,
+        LINT = 0x103,
+        ULINT = 0x104,
+        LREAL = 0x105,
+        UINT = 0x106,
+        UDINT = 0x107,
     }
 
 
diff --git a/LibNoDaveConnectionLibrary/DataTypes/Blocks/TiaAndSTep7DataBlockRow.cs b/LibNoDaveConnectionLibrary/DataTypes/Blocks/TiaAndSTep7DataBlockRow.cs
index 08cf309a..8e4a1681 100644
--- a/LibNoDaveConnectionLibrary/DataTypes/Blocks/TiaAndSTep7DataBlockRow.cs
+++ b/LibNoDaveConnectionLibrary/DataTypes/Blocks/TiaAndSTep7DataBlockRow.cs
@@ -318,6 +318,8 @@ public virtual int ByteLength
                         return size;
                     case S7DataRowType.BOOL:
                     case S7DataRowType.BYTE:
+                    case S7DataRowType.SINT:
+                    case S7DataRowType.USINT:
                     case S7DataRowType.CHAR:
                         len = 1;
                         break;
@@ -326,12 +328,16 @@ public virtual int ByteLength
                     case S7DataRowType.DWORD:
                     case S7DataRowType.TIME:
                     case S7DataRowType.REAL:
+                    case S7DataRowType.UDINT:
                         len = 4;
                         break;
                     case S7DataRowType.POINTER:
                         len = 6;
                         break;
                     case S7DataRowType.DATE_AND_TIME:
+                    case S7DataRowType.LREAL:
+                    case S7DataRowType.ULINT:
+                    case S7DataRowType.LINT:
                         len = 8;
                         break;
                     case S7DataRowType.S5TIME:
@@ -344,6 +350,7 @@ public virtual int ByteLength
                     case S7DataRowType.COUNTER:
                     case S7DataRowType.TIMER:
                     case S7DataRowType.DATE:
+                    case S7DataRowType.UINT:
                         len = 2;
                         break;
                     case S7DataRowType.S5_KH: