Conversion of State Chart to PLC...need 100% Correct

Ch. 11 Use of State Diagrams 24

document is strongly recommended.

Fig. 11-22

Electronic Safe

State Diagram

3 4 5

1

2 Home

Position Cylinder off,

Numbers reset to 000

7 8 96

11 12 1310

14

Enter First Digit

Enter Second

Digit

Enter Third Digit

Enter ‘Next’

Push ‘Open’

Test if all 3 code

numbers agree

15

Open Cylinder

Push ‘Close’

16 Close

Cylinder

Verify Closed

Success

Fail

Init

Technical Sketch of the Component Feed Installation:

Fig. 11-23

Component Parts

Feed Mechanism