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3:16 pm - Tuesday January 20, 9350

Công nghệ ZIGBEE ứng dụng trong mở rộng hệ thống tự động hóa

ZigBee là một

đặc điểm kỹ thuật

dựa trên tiêu chuẩn

IEEE 802.15.4 cho…

các mạng không dây cá nhân (WPANs). ZigBee hoạt động trong băng

tần vô tuyến ISM, và nó xác định một mục đích chung, rẻ tiền, tự tổ

chức, thiết lập mạng lưới để kiểm soát công nghiệp, nhúng cảm biến,

dữ liệu thu thập, cảnh báo khói và kẻ xâm nhập, xây dựng tự động hóa

và tự động hóa nhà máy v.v.

Đặc tính thiết bị ZB-2550/ZB-2551:

ZB-2550/ZB-2551 là thiết bị chuyển đổi tín hiệu RS-232/RS-485

sang mạng ZigBee. Nó cho phép tín hiệu RS-232/RS-485 dễ dàng kết

nối với một hệ thống mới hoặc hiện tại thông qua thiết bị không dây

ZB-2550 là máy chủ (Host) và ZB-2551 là máy trạm (Slave). Cũng hỗ

trợ định dạng dữ liệu khác nhau và mức độ truyền có thể được cấu

hình thông qua một tiện ích giao diện dựa trên Windows.

Phạm vi truyền dẫn không dây của bộ chuyển đổi ZB-2550/ZB-2551 là

100 m, và ZB-2550P/ZB-2551P là 700 m.

Tần số hoạt động 2.4GHZ ISM.


Ứng dụng thiết bị ZB-2550/ZB-2551:

Trong một số hệ thống hiện có sử dụng một mạng lưới RS-485/RS-

232, nó là đôi khi rất khó để mở rộng các thiết bị mới do xây dựng các

vấn đề cấu trúc, các vấn đề hệ thống dây điện hoặc các lý do khác. Với

thiết bị  ZB-2550 và ZB-2551 có thể được dễ dàng thêm vào một hệ

thống hiện có để mở rộng mạng lưới của bạn.