Simulasi penggunaan teknologi komunikasi industri melalui komunikasi antar plc pada mesin industrial communication = Simulation of communication technology usage through the communication between plc of the ‘industrial communication’ machine

Kustamin, Stanley (2012) Simulasi penggunaan teknologi komunikasi industri melalui komunikasi antar plc pada mesin industrial communication = Simulation of communication technology usage through the communication between plc of the ‘industrial communication’ machine. Bachelor thesis, Universitas Pelita Harapan.

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Abstract

Komunikasi industri sudah semakin marak digunakan dalam beberapa dekade terakhir ini. Bentuk penggunaannya seperti pada sebuah alat pengontrol yang dikenal dengan PLC. PLC banyak digunakan untuk mengontrol sistem produksi seperti untuk sistem AS/RS, batch, distribution dan berbagai sistem lainnya. Penelitian ini membahas mengenai teknik komunikasi antara 2 PLC dalam mengontrol sebuah sistem kerja. Dua buah PLC dihubungkan dengan menggunakan sebuah kabel UTP (Unshielded Twisted Pair) dan diprogram dengan menggunakan software keluaran FESTO, FST4. Pemrograman dilakukan dengan memanfaatkan 2 buah driver, yaitu TCPIP untuk komunikasi dan ASI. ASI digunakan untuk mengakses peralatan Actuator Sensor Interface (AS-i) yang juga terpasang pada mesin Industrial Communication. Mesin ini adalah mesin yang merupakan objek pemrograman pada penelitian ini. Fasilitas lainnya seperti Call Module Program (CMP) dan flag pada software FST4 juga digunakan untuk melakukan komunikasi antara 2 PLC. Hasil dari pemrograman yang dilakukan yaitu berupa 2 buah siklus kerja aktuator, yaitu siklus A dan B, yang dimana siklus A dapat menyelesaikan 1 buah siklus kerja lebih cepat (3.78 sampai 4.66 detik) dibandingkan dengan siklus B yang lebih lambat (13.01 sampai 16.01 detik). Kedua siklus tersebut dapat berjalan karena adanya komunikasi antara kedua PLC yang terus menerus mengirimkan nilai dari keadaan sensor dan aktuator./ Industrial communications are being used by more industries nowadays. One of the controller system known as PLC has also been integrated with communication technology to create more efficient system and control. PLC usually can be found at production systems such as, AS/RS, batching, distribution and so on. In this research, communications between two PLCs attached in one machine are simulated. Two PLCs are connected by one Unshielded Twisted Pair cable and programmed to operate one machine simultaneously. The software used to do the programming is known as FST4. Drivers such as TCPIP is used to activate the communication and others known as ASI is used to control Actuator Sensor Interface which is also attached to the machine system. In this software, there are also small programs called Call Module Program or simply CMP and flags. These small programs are also being used to assist the programming. As the result, two kinds of work cycle sequence are programmed and can be run by the machine. Those work cycles are called cycle A and B. Cycle A can finish one cycle faster than cycle B, that is, 3.78 until 4.66 seconds for one cycle A and 13.01 16.01 seconds for one cycle B. PLCs will keep on giving each other feedbacks about the condition of their own inputs and outputs, hence creating smooth work cycles.

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