Mitsubishi Electric 09R927, Руководство по структурному программированию

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6 Standard Function Blocks
6.4 CTD(_E)
213
FXCPU Structured Programming Manual
(Application Functions)
1
O
utlin
e
2
Function Li
st
3
Functi
on
Cons
tructi
on
4
Ho
w t
o R
ea
d
Explanati
on of
Func
tions
5
Appl
ie
d
Functions
6
Stan
dard
Functi
on
Blocks
A
Correspondence be
tw
een Dev
ice
s
an
d A
ddres
ses
Program example
In this program, the number of times the bit data stored in a device specified in turns ON from OFF is
counted, and a device specified in turns ON when the value stored in a device specified in
becomes "0".
1) Function without EN/ENO(CTD)
2) Function with EN/ENO(CTD_E)
[Structured ladder]
[ST]
[Structured ladder]
[ST]
s1
d1 d2
CTD
CTD_Instance
g_bool1 CD Q
g_bool3
g_int2
g_bool2 LOAD CV
g_int1 PV
CTD_Instance(CD:=g_bool1,LOAD:=g_bool2,PV:=g_int1);
g_bool3:=CTD_Instance.Q;
g_int2:=CTD_Instance.CV;
CTD_E
CTD_E_Instance
EN ENO
Q
g_bool3
M11
M10
g_bool1 CD
CV
g_int2 g_bool2 LOAD
g_int1 PV
CTD_E_Instance(EN:=M10,CD:=g_bool1,LOAD:=g_bool2,PV:=g_int1);
M11:=CTD_E_Instance.ENO;
g_bool3:=CTD_E_Instance.Q;
g_int2:=CTD_E_Instance.CV;