Mitsubishi Electronics 13JW55 ユーザーズマニュアル

 

 

App. - 15

 

 

 
Appendix 4.10  Clock ladder 

The clock data such as hour, minute, and second is output to a digital display. 

 

Project name 

QA-3 

Program name 

MAIN 

 

T1

0

10

C11

C11

15

T0

T0

5

T1

K60

K5

SM400

38

K2Y40

C11

BCD

Counts minutes

T1

K5

C11

RST

C12

K60

C12

24

C12

RST

C13

K99

C13

33

C13

RST

K2Y48

C12

BCD

K2Y50

C13

BCD

0.5-sec. flickering

Counts seconds

Counts hours

 

 

0
1
2
3
4
5
6
7
8
9
A
B

C
D
E
F

LED of output module

Ones 
digit

Tens 
digit

K2Y40

Ones 
digit

Tens 
digit

K2Y48

Ones 
digit

Tens 
digit

K2Y50

seconds

4 7

minutes

1 8

hours

6 4

 

 

Y57

8

Y56

4

ON

Y55

2

ON

Y54

1

Tens digit

Y53

8

Y52

4

ON

Y51

2

Y50

1

Ones digit

K2Y50 hour, Output

Y4F

8

Y4E

4

Y4D

2

Y4C

1

ON

Tens digit

Y4B

8

ON

Y4A

4

Y49

2

Y48

1

Ones digit

K2Y48 minute, Output

Y47

8

Y46

4

ON

Y45

2

Y44

1

Tens digit

Y43

8

Y42

4

ON

Y41

2

ON

Y40

1

ON

Ones digit

K2Y40 second, Output