190-01115-01
G3X/G3X Touch Installation Manual - RS-232 Text Output Format
Rev. AC
Page B-3
B.5 Engine Data Message Format
The Engine Data message is transmitted approximately 5 times per second.
Table B-2 Engine Data Message Format
Field Name
Offset
Width
Units
Notes
Min
Max
Escape character
0
1
'='
Sentence ID
1
1
'3'
Sentence version
2
1
Currently '1'
UTC hour
3
2
hours
00
23
UTC minute
5
2
minutes
00
59
UTC second
7
2
seconds
00
59
UTC second fraction
9
2
10 ms
00
99
Oil pressure
11
3
1 PSI
000
999
Oil temperature
14
4
1 degree C
-999
+999
RPM
18
4
1 RPM
0000
9999
Unused
22
4
Manifold pressure
26
3
0.1 inHg
000
600
Fuel flow
29
3
0.1 gallon/
hour
000
999
Unused
32
3
Fuel pressure
35
3
0.1 PSI
000
999
Fuel quantity 1
38
3
0.1 gallon
000
999
Fuel quantity 2
41
3
0.1 gallon
000
999
Calculated fuel
remaining
44
3
0.1 gallon
calculated from fuel
computer
000
999
Volts 1
47
3
0.1 V
000
320
Volts 2
50
3
0.1 V
000
320
Amps 1
53
4
0.1 A
-999
+999
Total aircraft time
57
5
0.1 hour
00000
99999
Engine time
62
5
0.1 hour
00000
99999
CHT6
67
4
1 degree C
-999
+999
EGT6
71
4
1 degree C
-999
+999
CHT5
75
4
1 degree C
-999
+999
EGT5
79
4
1 degree C
-999
+999
CHT4
83
4
1 degree C
-999
+999
EGT4
87
4
1 degree C
-999
+999
CHT3
91
4
1 degree C
-999
+999
EGT3
95
4
1 degree C
-999
+999
CHT2
99
4
1 degree C
-999
+999
EGT2
103
4
1 degree C
-999
+999
CHT1
107
4
1 degree C
-999
+999
EGT1
111
4
1 degree C
-999
+999