| author | Lolitech |
| Thu, 03 Jun 2010 12:59:32 +0200 | |
| changeset 243 | bdfee1f5be9e |
| parent 192 | c6c2a3d487ac |
| child 276 | 1679f514f38a |
| permissions | -rwxr-xr-x |
|
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 |