diff -r c1cf7259160d -r 8c3e91c385f5 lib/iec_types_all.h
--- a/lib/iec_types_all.h	Sat May 31 12:49:43 2014 +0100
+++ b/lib/iec_types_all.h	Sat May 31 16:22:57 2014 +0100
@@ -126,11 +126,12 @@
 __ANY(__DECLARE_IEC_TYPE)
 
 typedef struct {
-  __IEC_BOOL_t state;     // current step state. 0 : inative, 1: active
+  __IEC_BOOL_t X;  // state;  --> current step state. 0 : inative, 1: active.   We name it 'X' as it may be accessed from IEC 61131.3 code using stepname.X syntax!!
   BOOL prev_state;  // previous step state. 0 : inative, 1: active
-  TIME elapsed_time;  // time since step is active
+  TIME elapsed_time; // T; // elapsed_time;  --> time since step is active.   We name it 'T' as it may be accessed from IEC 61131.3 code using stepname.T syntax!!
 } STEP;
 
+
 typedef struct {
   BOOL stored;  // action storing state. 0 : not stored, 1: stored
   __IEC_BOOL_t state; // current action state. 0 : inative, 1: active