--- a/plcopen/definitions.py	Mon May 26 14:44:03 2014 +0100
+++ b/plcopen/definitions.py	Fri Jun 06 18:30:49 2014 +0100
@@ -12,7 +12,7 @@
                      "B" : ["SINT", "USINT", "BYTE", "STRING"],
                      "W" : ["INT", "UINT", "WORD", "WSTRING"],
                      "D" : ["DINT", "UDINT", "REAL", "DWORD"],
-                     "L" : ["LINT", "ULINT", "LREAL", "LWORD"]} 
+                     "L" : ["LINT", "ULINT", "LREAL", "LWORD"]}
 
 #-------------------------------------------------------------------------------
 #                        Function Block Types definitions
@@ -105,6 +105,8 @@
     #("WSTRING", "ANY_STRING") # TODO
 ]
 
+DefaultType = "DINT"
+
 DataTypeRange_list = [
     ("SINT", (-2**7, 2**7 - 1)),
     ("INT", (-2**15, 2**15 - 1)),