Technoton MasterCAN C 232, Operation Manual

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Annex B MasterCAN C 232/485 and MasterCAN V-GATE text message protocol
MasterCAN Vehicle Data Interfaces. Operation manual. Version 4.0
© Technoton, 2017 59
Annex B MasterCAN C 232/485 and MasterCAN V-
GATE text message protocol
This protocol describes output data format of
MasterCAN messages sent in text mode.
Physical level complies with RS-232 and RS-485 standards.
Output data is sent in ASCII with a configured interval.
1) Format of output data packet. MasterCAN output data packet (see figure B.1)
consists of:
 prefix – ASCII string which defines the beginning of the packet;
 protocol version — ASCII string "VER.XXX", XXX stands for version number;
 data — parameters separated with space symbol;
 suffix — ASCII string which defines the ending of the packet;
 new line symbol — "\n".
prefix space
protocol
version
space parameter space parameter space suffix
new
line
$GATE VER.001 AAA72.5 AAN1200 END \r\n
Figure B.1 — MasterCAN data packet structure
Parameter consists of ID and numeric value ( SPN ).
See table B.1 for SPN and correspondent ID list.
Table B.1 — SPN and ID list
SPN Name Measure ID
84
Wheel-Based Vehicle
Speed
km/h AAA
91
Accelerator Pedal
Position 1
% AAB
92
Engine Percent Load At
Current Speed
% AAC
96 Fuel Level 1 % AAD
98 Engine Oil Level % AAE
100 Engine Oil Pressure kPa AAF
110
Engine Coolant
Temperature
deg C AAG
111 Engine Coolant Level % AAH
170
Cab Interior
Temperature
deg C AAI
171
Ambient Air
Temperature
deg C AAJ
174
Engine Fuel
Temperature 1
deg C AAK
183 Engine Fuel Rate L/h AAL
184
Engine Instantaneous
Fuel Economy
km/L AAM
190 Engine speed rpm AAN