Merge pull request #100 from Nick135/master

BugFix PDU Size Area FeedDrive
dotnetprojects · May 28, 2018 · 5296c63 · 5296c63
2 parents a9b731d + 9a17271
commit 5296c63
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/LibNoDaveConnectionLibrary/Communication/PLCConnection.cs b/LibNoDaveConnectionLibrary/Communication/PLCConnection.cs
@@ -2762,6 +2762,11 @@ public void ReadValues(IEnumerable<PLCTag> valueList, bool useReadOptimization)
                     //Get the Maximum Answer Len for One PDU
                     int maxReadSize = GetPduSize() - 32; //32 = Header
 
+                    // Die NC akzeptiert im Drive Bereich nicht die ausgehandelte PDU Größe
+                    // maximal 240 - 32 (Header) => 208
+                    if (maxReadSize > 208 && readTagList.First() is PLCNckTag && ((PLCNckTag)readTagList.First()).NckArea == NCK_Area.AreaFeedDrive)
+                        maxReadSize = 208;
+
                     //int maxReadVar = maxReadSize / 12; //12 Header Größe Variablenanfrage
 
                     List<int> readenSizes = new List<int>(50);