Product guide

Application Note
19
Wireless Module in Digital Tacho Meter
Application : Public Vehicle System
Background : In order to reduce traffic
accidents and upgrade the driving efficiency,
Korean government legislated to equip the
public vehicles with digital tachograph system.
Digital tachographs is that records are saved
to a smart card and are transmitted to the
server through wireless network. Digital tachos
record not only payment data but also driver
activity such as driving time, other work, rests
and breaks in the card. Digital tachgraph’s
legal purpose is to nd the systematic solution
to upgrade trafc safety by analyzing the data
collected by the tachograph.
Solution : WizFi210
WizFi210 provides serial to wireless
connectivity for the tachograph to transmit
the data saved in the smart card. In the
tachograph, WizFi210 operates as client
mode and establishes wireless networking by
automatically connecting to the access point.
The tacho data is transmitted to WizFi210
through serial interface. WizFi210 converts the
serial data into TCP/IP and sends to the server
through wireless network.
WizFi210