LAB 4 REPORTfkee.uthm.edu.my/images/docs/labsheet/1/BEJ10501/BEE10501_MR… · Amali (Practical): 3...

FACULTI OF ELECTRICAL AND ELECTRONIC ENGINEERING

LAB 4 REPORT (PLC Command Function Using ADD, SUB, MOV and CMP)

ENGINEERING PRACTICES

BEE 10501

NAME MATRIC NUMBER

Discipline Attendance

Report @ Assessment

Total Lab Result

Participation @ Discussion @

Conclusion @ Analysis

5 % 5 % 50 % 40 % 100 %

1)

2)

3)

GROUP MEMBER

LAB INSTRUCTOR

1)

2)

Engineering Practise (BEE10501)

Exp. No.4: PLC Command Function Using ADD, SUB, MOV and CMP ii

FKEE, Sem 02 Session 2015/16

Table of Content

Table of Content ii

Instruction 1

1.0 Title 2

2.0 Outcomes 2

3.0 Overview 2

4.0 List of Equipments 2

5.0 Experiment Procedures 2

6.0 Results and Analysis 7

7.0 Questions 7

8.0 Answers 7

9.0 Discussions 12

10.0 Conclusions 13

Fakulti/Pusat Pengajian (Faculty/Centre) :

Faculty of Electrical and Electronic Engineering

Mukasurat (Page):

1

Kod Kursus (Course Code):

BEE 10501

Nama Kursus (Name of Course) :

Engineering Practise

Kursus Pra Syarat (Prerequisite Courses) :

None

Kredit

(Credit):

1

Kuliah

(Lecture):

0

Tutorial :

0

Amali

(Practical):

3

Edisi (Edition) : 2 Tarikh Keluaran (Published date) : January 2016


Instruction

1. Grouping: Lab group is not predetermined and consists of _ members (maximum).

2. Pre-Lab Assignment: Must be submitted to the instructor at the beginning of lab sessions.

Verified by the instructor and returned to the students at the end of lab session. The verified

pre-lab must be attached with the final report for submission.

3. Lab Activities: All laboratory activities must be carried out in this laboratory and to be

completed within the given times.

4. Demonstration: Student must demonstrate the experiment to the respective instructor.

5. Report Submission: Report must be submitted to the respective instructor upon

COMPLETION of lab session.



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1.0 Title PLC Command Function Using ADD, SUB, MOV and CMP

2.0 Outcomes After completing this laboratory, student should be able to:

2.1 Familiar the techniques to programs PLC Omron using CX-Programmer (ladder

diagram).

2.2 Familiar the PLC command function using ADD, SUB, MOV and CMP

2.3 Build up simple programs, run and troubleshooting.

3.0 Overview There are several ways to program PLC and among them are using mnemonics instructions or

ladder diagrams. The results for both are the same even though the techniques are different

4.0 List of Equipments 4.1 Omron PLC

4.2 PLC Programming Console

4.3 Laptop with CX Programmer (optional)

5.0 Experiment Procedures

5.1 Introduction

There are functions instructions that are available in PLC such as ADD, SUB, MOV,CMP to replace function of CNT and CNTR to do function of comparing, counting up and counting down. This is to make ladder logic more presentable and variety of function to solve a problem.

5.2 ADD ADD totals the data in two different channels or one channel and a constant and then outputs the sum to a third channel. Therefore three data must be specified: an augends, an addend and a result channel.



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Ladder Symbols

ADD (30)

Au

Ad

R

Operand Data Areas

Mi: Minuend channel

IR, SR, AR, DM, HR, TC, LR,#

Su: Subtrahend channel


R: Result channel

IR, AR, DM,HR,LR

Example circuit Ladder diagram

ADDR OP CODE DATA 0000 LD 00000 0001 CLC(41) 0002 ADD(30)

040 #1234 100

0004 END(01)

5.3 SUB SUB finds the difference between the data in one channel and the data in another channel or a constant, and then outputs the result to a third channel. Therefore, three data must be specified: an minuend, an subtrahend and a result channel.

Ladder Symbols

SUB (31)

Mi

Su

R

Operand Data Areas

Mi: Minuend channel


Su: Subtrahend channel


R: Result channel

IR, AR, DM,HR,LR

CLC (41)

#1234

040

ADD (30)

100

Addend

Augend

100



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ADDR OP CODE DATA 0000 LD 00000 0001 CLC(41) 0002 SUB(31)

040 #1234 100

0004 END(01)

5.4 MOV MOV transfer source data (either the data is a specified channel or a four digit hexadecimal constant) to a destination channel. Therefore, MOV require two data to be specified: the source channel or constant and the destination channel.

Ladder Symbols

MOV (21)

S

D

Operand Data Areas

S: Source Channel


D: Destination Channel

IR, AR, DM,HR,LR


ADDR OP CODE DATA 0000 LD 25313 0001 MOV (21) 000 100 0003 END(01)

CLC (41)

#1234

040

SUB (31)

100

Subtrahen

d

Minuend

Result

Destinati

on

Source

#1234

040

MOV(30)



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5.5 CMP Compare (CMP) is used to compare the data in a specific channel, with the data in another channel, or a four-digit, hexadecimal constant. Therefore, two data must be specified immediately after the CMP instruction. One of the data must be a channel.

Ladder Symbols

CMP (20)

Cp 1

Cp 2

Operand Data Areas

Cp 1: First Compare word


Cp 2: First Compare word

IR, AR, DM,HR,LR


ADDR OP CODE DATA 0000 LD 25313 0001 OUT TR 0 0002 CMP (20) - #01F0 000 0003 25505 0004 10000 0005 TR 0 0006 25506 0007 10001 0008 TR 0 0009 25507 0010 10002

CMP(20)

#01F0

000

10000

10001

10002

25505

(>)

25506

(=)

25507

TR

0

25313



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5.6 PROCEDURES

5.6.1 CX-Programmer

5.6.1.1 Get the laptop with preloaded CX-Programmer inside.

5.6.1.2 To Change the PLC type, CPU and the bus according to PLC used.

5.6.1.3 For OMRON CQM1H, the CPU is CPU21 and the bus is SYSMACWAY while for OMRON CJ1M, the CPU is CPU11 and the bus is SYSMACWAY

5.6.1.4 The address according type of PLC used.

5.7 QUESTION/PROBLEMS:

Solve this problems by using ADD, SUB, MOV and CMP

5.7.1 A simple car park control system allows only a maximum of 30 cars parking spaces. Every time a car comes in, an incoming sensor will add 1 and any car that goes out an outgoing sensor will deduct 1. If the car park is occupied with 30 cars at one time, a full sign will be lighted up to inform there is no vacancy. Replace command function CNTR (from previous experiment) with ADD and SUB.

5.7.2 In a factory, two conveyors were used for apple packaging. When start button is pressed, “box conveyor” start to move. The empty box on the “box conveyor” will move simultaneously until

sensor 2(SE2) detect the presence of empty box. SE2 will cause “box conveyor” to stop. After 1

second the “apple conveyor” will start to move.” Apple conveyor” consisting of row of apple which

is arrange accordingly .Sensor1 (SE1) will detect the presence of apple. The apple will fall into the

box one by one. After 12 apples have been counted by SE1, “apple conveyor” will stop and it is

ready to be picked up by the operator.



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6.0 Results and Analysis

6.1 Print/write down the ladder logic program, mnemonic of each problem.

6.2 Discuss your observation of each problem given.

7.0 Questions

7.1 In Question 5.7.2, what will happen if sensor SE1 fails to detect the presence of apple.

7.2 Create a new ladder diagram from Question 5.7.2 by using Counter instead of using ADD

and SUB.



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8.0 Answers



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9.0 Discussion



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10.0 Conclusions

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Disediakan oleh (Prepared by):

Tandatangan (Signature):

Nama (Name): Rafidah bte Ngadengon

Jawatan (Post): Pensyarah

Tarikh (Date): January 2016

Disemak oleh (Checked by) :

Tandatangan (Signature):

Nama (Name): PM. Ir. Dr. Babul Salam Bin KSM

Kader Ibrahim

Jawatan (Post): Head of Department

Tarikh (Date): January 2016

LAB 4 REPORTfkee.uthm.edu.my/images/docs/labsheet/1/BEJ10501/BEE10501_MR… · Amali (Practical): 3...

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