Mercurial Mercurial > matiec / annotate
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
lib/hysteresis_st.txt
author laurent
Sat, 12 Dec 2009 20:41:32 +0100
changeset 233 3d23a68183d3
parent 192 c6c2a3d487ac
child 276 1679f514f38a
permissions -rwxr-xr-x
Bug on standard functions called with literals fixed
Checking that number of parameters in function call doesn't exceed the maximum
192
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
     1
 
FUNCTION_BLOCK HYSTERESIS
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
     2
 
    (* Boolean hysteresis on difference *)
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
     3
 
    (* of REAL inputs, XIN1 - XIN2      *)
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
     4
 
  VAR_INPUT XIN1, XIN2, EPS : REAL; END_VAR
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
     5
 
  VAR_OUTPUT Q : BOOL := 0; END_VAR
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
     6
 
  IF Q THEN IF XIN1 < (XIN2 - EPS) THEN Q := 0; END_IF ;
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
     7
 
  ELSIF XIN1 > (XIN2 + EPS) THEN Q := 1 ;
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
     8
 
  END_IF ;
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
     9
 
END_FUNCTION_BLOCK
c6c2a3d487ac Adding inclusion of function blocks defined in AnnexF into library blocks
lbessard
parents:
diff changeset 
    10
 












matiec