xi
IV RESULTS AND DISCUSSION
32
4.1 First Phase Result: The Development of PLC 29
4.2 Second Phase Result: Project Result and Analysis 34
V CONCLUSION
5.1 Conclusion 56
5.2 Project limitation 57
5.3 Recommendation
58 REFERENCES
59
xii
LIST OF TABLES
NO. TITLES
PAGE 2.4.1 Classification of PLC
19
2.7.1 Comparison between other project 24
4.2.1 Components used 54
xiii
LIST OF FIGURES
NO. TITLES
PAGE
2.1.1
Block diagram of control system.
5 2.1.2
Example of top view of relay
6 2.2.1
Example of PLC system using Discrete Input 8
2.2.2 Basic elements of PLC controller
9 2.2.4.1 Adjustment interface
13 2.3.2.1 Basic ladder diagram
14 2.3.2.2 Ladder diagram for bell.
15 2.3.2.3 Ladder diagram for a garage parking system
16 2.3.3.1 Programming Console Type: OMRON
17 2.3.3.2 PLC Trainer OMRON with console attach to it
18 3.1
Flow Chart of Methodology 26
3.2 Flow chart of general operation of parking system
28 4.1.1
Ladder diagram of initial condition at parking lotRUN mode 30
4.1.2
The mnemonic code of ladder diagram
31 4.1.3
When a first sensor activated 32
4.1.4 When a RESET switch is activated
33 4.2.1
Designed Program for lot Parking 34
4.2.2 Designed Mnemonics code for Parking System
37
xiv
4.2.3
Designed Program for Entrance Exit Parking System
39 4.2.4
Incomplete construction of Program for Entrance Exit Parking System
40 4.2.5
System ON-Start 41
4.2.6 PARKING LOT 1, Sensor Lot1 ON
42 4.2.7
PARKING LOT 2, Sensor Lot2 ON 43
4.2.8
PARKING LOT 3, Sensor Lot3 ON
44 4.2.9
PARKING LOT 4, Sensor Lot4 ON
45 4.2.10 PARKING LOT 5, Sensor Lot5 ON
46 4.2.11 PARKING LOT 6, Sensor Lot6 ON, indicator FULL activated
47 4.2.12 Output PLC Trainer
48 4.2.13 Overall Picture
49 4.2.14 the connection of four 7 Segments
50 4.2.15 Circuit of 7 Segment
51 4.2.16
Connection of FULL circuit using RELAY 24V DC with 7 Segments
52 4.2.17 Reference on how the connection of LED 24V legs
52 4.2.18 Overall process result
53 4.2.19 The Equipments and Software used
54 4.2.20 RS232 used for connecting PC with the PLC trainer-Hardware
55
xv
LIST OF ABBREVIATION
PLC -
Programmable Logic Controller
ROM -
Read-Only-Memory RAM
- Random-Access-Memory
EPROM -
Erasable and Programmable Read-Only-Memory
EEPROM -
Electrically Erasable and Programmable Read-Only-Memory CPU
- Central Processing Unit
PC -
Personal Computer
xvi
LIST OF APPENDICES
NO. TITLES
PAGE A
PLC CONNECTION 60
B FARNELL-SEVEN SEGMENT DATASHEET
62 C
PLC 65
1
CHAPTER I
INTRODUCTION
1.1 Project Introduction
