diff -r e307e1b27828 -r 7ac133b11321 PLCGenerator.py
--- a/PLCGenerator.py	Thu Apr 14 14:52:05 2011 +0200
+++ b/PLCGenerator.py	Sat Apr 16 10:42:43 2011 +0200
@@ -758,7 +758,7 @@
                                     self.RelatedConnections.append(related)
                         undefined_blocks.append(instance)
             for instance in undefined_blocks:
-                block_infos = self.GetBlockType(instance.gettypeName(), tuple([self.ConnectionTypes.get(variable.connectionPointIn, "ANY") for variable in instance.inputVariables.getvariable()]))
+                block_infos = self.GetBlockType(instance.gettypeName(), tuple([self.ConnectionTypes.get(variable.connectionPointIn, "ANY") for variable in instance.inputVariables.getvariable() if variable.getformalParameter() != "EN"]))
                 if block_infos is not None:
                     self.ComputeBlockInputTypes(instance, block_infos, body)
                 else:
@@ -878,7 +878,7 @@
                 elif isinstance(instance, plcopen.fbdObjects_block):
                     block_type = instance.gettypeName()
                     self.ParentGenerator.GeneratePouProgram(block_type)
-                    block_infos = self.GetBlockType(block_type, tuple([self.ConnectionTypes.get(variable.connectionPointIn, "ANY") for variable in instance.inputVariables.getvariable()]))
+                    block_infos = self.GetBlockType(block_type, tuple([self.ConnectionTypes.get(variable.connectionPointIn, "ANY") for variable in instance.inputVariables.getvariable() if variable.getformalParameter() != "EN"]))
                     block_infos["generate"](self, instance, block_infos, body, None)
                 elif isinstance(instance, plcopen.commonObjects_connector):
                     connector = instance.getname()
@@ -933,7 +933,7 @@
             elif isinstance(next, plcopen.fbdObjects_block):
                 block_type = next.gettypeName()
                 self.ParentGenerator.GeneratePouProgram(block_type)
-                block_infos = self.GetBlockType(block_type, tuple([self.ConnectionTypes.get(variable.connectionPointIn, "ANY") for variable in next.inputVariables.getvariable()]))
+                block_infos = self.GetBlockType(block_type, tuple([self.ConnectionTypes.get(variable.connectionPointIn, "ANY") for variable in next.inputVariables.getvariable() if variable.getformalParameter() != "EN"]))
                 paths.append(str(block_infos["generate"](self, next, block_infos, body, connection, order)))
             elif isinstance(next, plcopen.commonObjects_continuation):
                 name = next.getname()