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Created page with "=RS-485 interface== RS-485 supports only half-duplex communication, which means data is transferred only one way at a time.<br/>When activated RS-485 driver chip draws consta..."
=RS-485 interface==

RS-485 supports only half-duplex communication, which means data is transferred only one way at a time.<br/>When activated RS-485 driver chip draws constant 30mA current, when entering Sleep or Deep sleep RS-485 will be powered off.

===RS-485 modes===
* RS-485 receive (FMB silent) mode:
RS485 Works in receive mode. Support debug and testing commands. When command is received answer is sent after that it back up to Receive mode.<br/>

* RS-485 transmit (FMB log) mode:
RS-485 prints FMB device log and does not respond to commands.<br/>

* RS-485 transmit (NMEA) mode:
RS-485 prints GNSS NMEA log and does not respond to commands.<br/>

* RS-485 receive (LLS) mode:
This mode supports up to five LLS fuel level sensors each of which has a receiver ID.<br/>

* RS-485 TCP receive (ASCII/Binary) modes:
In TCP ASCII/Binary mode a link with an external device using text messages can be established. Buffered modes save information until link with server is established and records are sent.

* RS-485 receive (TCP ASCII/Binary Buffered) mode :
RS485 works in receive mode. When data received from server RS485 is switched to transmit mode. If data server is not available, data will be saved in buffer.

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