Users Guide
Appendix   
8-2  EMS-D10 Pilot’s User Guide 
EMS SERIAL DATA OUTPUT 
The format for the data sent out the EMS RS232 port follows. General purpose and contact inputs which are sourced 
from the HS34 are not output via the serial stream. 
Parameter 
ASCII 
Characters 
Units  Example 
Zulu Hour  2  Hours  12 (12 hrs) 
Zulu Min  2  Minutes  12 (12 mins) 
Zulu Sec  2  Seconds  12 (12 secs) 
Fraction  2  1/64 of sec  12 (12/64 sec) 
Manifold Pressure  4  inHg x 100  1215 (12.15inHg) (using 5/100 increments) 
Oil Temp  3  º F  123 (123
o
F) or -12 (-12
o
F) 
Oil Pressure  3  PSI  099 (99PSI) 
Fuel pressure  3  PSI x 10  123 (12.3psi) 
Volts  3  volts x 10  123 (12.3V) 
Amps  3  amps  012 (12A) or –12 (-12A) 
RPM  3  RPM/10  123 (1230 RPM) 
Fuel Flow  3  GPH x 10  123 (12.3gph) 
Gallons remaining  4  Gallons x 10  1234 (123.4g) or –123 (-12.3g) 
Fuel_Level_1  3  Gallons x 10  123 (12.3g) 
Fuel_Level_2  3  Gallons x 10  123 (12.3g) 
GP_1  8  See table below  3 char label; 5 char data; see GP output table 
GP_2  8  See table below  3 char label; 5 char data; see GP output table 
GP_3  8  See table below  3 char label; 5 char data; see GP output table 










