Mitsubishi Electric 09R927, Руководство по структурному программированию

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6 Standard Function Blocks
6.3 CTU(_E)
211
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 the count value is output to a device specified in .
1) Function without EN/ENO(CTU)
2) Function with EN/ENO(CTU_E)
[Structured ladder]
[ST]
[Structured ladder]
[ST]
s1
d2
CTU
CTU_Instance
g_bool1 CU Q
g_bool3
g_int2
g_bool2 RESET CV
g_int1 PV
CTU_Instance(CU:=g_bool1,RESET:=g_bool2,PV:=g_int1);
g_bool3:=CTU_Instance.Q;
g_int2:=CTU_Instance.CV;
CTU_E
CTU_E_Instance
EN ENO
Q
g_bool3
M11
M10
g_bool1 CU
CV
g_int2 g_bool2 RESET
g_int1 PV
CTU_E_Instance(EN:=M10,CU:=g_bool1,RESET:=g_bool2,PV:=g_int1);
M11:=CTU_E_Instance.ENO;
g_bool3:=CTU_E_Instance.Q;
g_int2:=CTU_E_Instance.CV;