GalileoSky GLONASS/GPS v5.1 (223) User’s Manual
GalileoSky Ltd
Page
29
8.3 Connecting digital fuel sensors using RS485 protocol
The order of connection:
1. Connect RS485_A; RS485_B, GND sensor contacts to Terminal RS485_A; RS485_B, and GND contacts
(section
Contacts description
).
The sensor power supply is provided separately.
2. Set transfer of received data to the server by
MAINPACK command (section
Server exchange protocol
settings
) or
in the Configurator on Settings/Protocol
tab
.
These data transmission is on by default
.
3. Make sure that the Terminal receives data from the sensor. It can be done in the Configurator on Device
tab.
The Terminal can support up to 16 sensors at a time. The sensors should have addresses from 0 to 15
correspondingly. If the Terminal receives no messages from the sensor for 18 seconds, the RS485 field value
will be set to zero.
In this way, it is possible to detect sensor disconnection or failure. Values from sensors
with the addresses from 4 to 15 and temperature data from sensors with the addresses from 0 to 15 are
stored in the memory only by archive dynamic structure activation (FlashArchive command, section Service
commands).
