EPSILON ES2,ES4
35
2 Network address 1
Field contains:
- network address of acceptor for
prefix 31h;
- network address of message
sender for prefix 3Eh;
3 Command code 1
Field contains:
- for prefix 31h – code of
command code, that FLS has to
comply;
- for the prefix 3Eh – code of
command, on which FLS gives
the answer.
4
Command
parameters
Depends on the
command code
The data composition and the
format of the field depends from
the command code.
5 CRC8 1
This field is used to control data
integrity. Calculated from all the
previous bytes in accordance with
Application Note 27 from Dallas.
Multi-byte command parameters are transferred in order from a junior byte to a senior one(«low
endian»).
A2.3.2 Description of computer code.
A2.3.2.1 Common commands for FLS of all modifications.
A2.3.2.1.1. Single data reading (command 06h).
The command is designed for reading of current data: user’s value of fuel level (10 or 12 bits),
technological value of fuel level (16 bit), temperature (8 bits).
Command format:
Drift, byte
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