Garmin G3X - C.7.2 EIS Discrete Parameter Data

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page C-9
C.7.2 EIS Discrete Parameter Data
The Discrete Parameter Data message sub-type contains a variable number fixed-width records, each of
which indicates the current state of a single EIS discrete input parameter.
Table C-7 EIS Parameter Information Message – Measurement Units
Character Units
0 (zero) None
C Temperature, Degrees Celsius
P Pressure, Pascals
L Fluid volume, Liters
V Electrical Potential, Volts
A Electrical Current, Amperes
l (ASCII 0x6C) Fluid Flow, Liters Per Second
Table C-8 EIS Discrete Parameter Data Message
Field Name Offset Width Units Notes
Escape character 0 1 ‘=’
Sentence ID 1 1 ‘5’
Sentence version 2 1 Currently ‘1’
Sentence sub-ID 3 1 ‘D’ (ASCII 0x44)
UTC hour 4 2 Hours
UTC minute 6 2 Minutes
UTC second 8 2 Seconds
UTC second fraction 10 2 10 ms
Parameter ID 12 2 ASCII hex
Parameter Value 14 1 1 = active, 0 = inactive
…variable number of records…
Parameter ID 2 ASCII hex
Parameter Value 1 1 = active, 0 = inactive
Checksum End-4 2 ASCII hex 8-bit sum of all previous bytes
CR/LF End-2 2 0x0D / 0x0A