Truyền thông công nghiệp trong hệ thống cân bằng định lượng

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Tác giả: Thị Hiên Đỗ, Thị Mai Đỗ, Chính Cương Dương, Thị Thu Huyền Lê

Ngôn ngữ: vie

Ký hiệu phân loại: 003.5 Theory of communication and control

Thông tin xuất bản: Khoa học và Công nghệ (Đại học Thái Nguyên), 2018

Mô tả vật lý: 121-126

Bộ sưu tập: Metadata

ID: 491495

Thêm vào giỏ

Hệ thống cân băng định lượng được xây dựng nhằm mục đích tạo môi trường thực hành cụ thể đối với một đối tượng thực cho sinh viên, trong đó có phương pháp ghép nối hệ thống, cấu hình mạng, lập trình truyền thông giữa nhiều PLC S7-1200 dựa trên chuẩn truyền thông mở rộng PROFINET. Hệ thống đã hoàn thiện và đáp ứng yêu cầu điều khiển với sai số cho phép. Kết quả thu thập được từ hệ thống thông qua các hàm truyền thông PUT/GET được lưu trữ trong các khối dữ liệu của từng PLC và hiển thị trên giao diện người máy HMI. Kết quả nghiên cứu đã giải quyết được một phần khó khăn cho sinh viên khi có thể trực tiếp thao tác và quan sát trực quan hoạt động của hệ thống thực.Industrial communication - this is very important area acknowledge for students in the field of automation. Nowaday, the process of training at many universities is faced with difficulty, because of lack of pratical equipment. Quantitive weighing system is built for target creating a specific practical environment with a real object for students, which demonstrates the method of pairing the system, configuring the network, programming communication between multiple PLC S7-1200 is based on the extended standard PROFINET. The system is completed with allowable errors. The results are collected from the system via the PUT / GET communication functions, stored in the data blocks of each PLC and displayed on the human - machine interface HMI. Results of research have solved a difficult part for students, because of direct manipulation and visualization the operation of the real system.

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