兆孚
®
XI
’
AN ZFE TECHNOLOGY CO.,LTD
029-88469134
www.xaZFE.com
1
1
、
Introduction
The intelligent gateway device ZF190 is a product that specializes in the application of remote data reading
and file transfer. It reads data from terminal devices such as data collectors and sensors locally, and communicates
via RS485 or CAN. Read data from the DTU device. After the reading is completed, the data of the DTU device is
periodically stored in the internal SD to store the history of the device. At the same time, it connects with the
remote background server, and uploads the historical data files in the SD to the remote background server through
the FTP protocol. For background server queries. The device has 2 RS485 communication, 2 CAN communication,
1 SD card storage, 1 GPRS/3G/4G network communication, 4 DI, 4 DO.
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System structure diagram
2.1 Network link:
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1
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PC (or laptop) and gateway connected by RJ45 network cable
（
2
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Gateway and telecom base station are connected through air interface
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3
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FTP server and telecom base station are connected through network cables, switches, routers, and optical
fibers.
2.2 Data transmission path:
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1
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The gateway obtains grid data from the meter via the 485 bus.
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2
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The gateway processes the data and stores it in the SD card in the gateway box.
