C04 PROGAMMABLE LOGIC CONTROLLER (PLC)

SEJENIS KOMPONEN YANG BERFUNGSI MENGIKUT KEPERLUAN KITA. Apa itu PLC? SEJENIS KOMPONEN YANG BERFUNGSI MENGIKUT KEPERLUAN KITA. CONTROL

Apa itu control ? Control (Relay) Hard wiring system Programmable Elektropneumatik Elektrohydraulik Motor control. Scada PLC system (Relay)

HARD WIRING SYSTEM APAKAH KEBURUKAN Sentiasa mesti menukar wayaring. Mengikut relay , timer dan counter. Contoh: 24V+ 24V+ Mengikut keperluan S1 S2 S1 S2 Lamp 1 Lamp 2 Lamp 2 Lamp 1 0v - 0v -

General motor (Ford) Car industry MASALAH YANG KERAP DIHADAPI OLEH INDUSTRI APABILA MENUKAR PRODUCTION. General motor (Ford) Car industry CONTOH : Car wiring Car body Car rim KERETA Car seat Car engine Car door

PROGRAMMABLE LOGIC CONTROLLER GENERAL MOTOR FORD MENYELESAIKAN MASALAH WIRING DENGAN MENCIPTA SEBUAH KOMPONEN BERNAMA PLC. PROGRAMMABLE LOGIC CONTROLLER APAKAH KEBAIKKAN MENGGUNAKAN P.L.C Jimat tempat Program boleh disimpan Masa yang singkat.

STRUKTUR KAWALAN P.L.C Valve Contactor lamp 415 v Ac 240 v Ac 110 v Ac Electrical energy Input element Processing element Output element Valve Contactor lamp 415 v Ac 240 v Ac 110 v Ac v Dc 24 v Dc 12 v Dc Sensor Limit switch Push button Pressure switch Timer Counter Relay

BASIC KOMPONEN DALAM P.L.C Console or PC PLC MEMORY (Bateri) Input Elements: Switches, Sensors,etc.. Output Elements: Lamp, Buzzer, Solenoid, etc… OUTPUT MODULE INPUT MODULE CPU

JENIS – JENIS PLC LAZIM DIGUNAKAN DALAM INDUSTRI Omron Mitsubishi Nais –(National) Toshiba NEC Alan bradly Festo Siemens Keyence Japan American

RANGE OF P.L.C LOW RANGE MEDIUM RANGE HIGH RANGE

LOW RANGE P.L.C Low Range – 6 inputs / 4 outputs

Expandable up to 72 I/P/ 48 O/P MEDIUM RANGE P.L.C Medium Range – 24 inputs / 16 outputs Expandable up to 72 I/P/ 48 O/P 24i/p 16o/p

HIGH RANGE P.L.C High Range CPU MEMORY INPUT OUTPUT POWER SUPPLY

6 INPUTS 2 OUTPUTS S4 S3 S5 BOX S2 START STOP CYCLINER 2 CONVEYOR CYCLINDER 1 START STOP

Steps before start working with a PLC based project Sequence Required Inputs & Outputs Choosing suitable PLC based on applications. Wire the PLC Write a program Transfer & test the program

POSITIVE SWITCHING PLC PNP-Type V+ V- COM I/P 1 I/P 2 I/P 3 I/P 4 O/P 1 O/P 2 O/P 3 O/P 4 V+ V-

NEGATIVE SWITCHING - PLC NPN-Type V+ V- + COM I/P 1 I/P 2 I/P 3 I/P 4 O/P 1 O/P 2 O/P 3 O/P 4 V+ V-

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