diff -r e3ed4747086f -r 2ad276084038 plcopen/structures.py
--- a/plcopen/structures.py	Thu Sep 25 10:28:24 2008 +0200
+++ b/plcopen/structures.py	Thu Sep 25 10:29:47 2008 +0200
@@ -62,7 +62,7 @@
             for i, variable in enumerate(output_variables):
                 parameter = variable.getformalParameter()
                 if variable.getformalParameter() == "":
-                    variable_name = "%s%d_OUT"%(type, block.getlocalId())
+                    variable_name = "%s%d"%(type, block.getlocalId())
                 else:
                     variable_name = "%s%d_%s"%(type, block.getlocalId(), parameter)
                 if generator.Interface[-1][0] != "VAR" or generator.Interface[-1][1] or generator.Interface[-1][2] or generator.Interface[-1][3]:
@@ -94,7 +94,7 @@
                 output_info = (generator.TagName, "block", block.getlocalId(), "output", i)
                 output_name = variable.getformalParameter()
                 if variable.getformalParameter() == "":
-                    output_name = "%s%d_OUT"%(type, block.getlocalId())
+                    output_name = "%s%d"%(type, block.getlocalId())
                 else:
                     output_name = "%s%d_%s"%(type, block.getlocalId(), variable.getformalParameter())
                 return generator.ExtractModifier(variable, [(output_name, output_info)], output_info)