Annex A Register map of Modbus output messages of MasterCAN
MasterCAN Vehicle Data Interfaces. Operation manual. Version 4.0
© Technoton, 2017
55
Annex A
Register map of Modbus output messages of
MasterCAN
A list of registers of accessible
output messages based on Modbus protocol is
provided in Table A.1.
Table A.1
–
List of registers of accessible MasterCAN output messages based
on Modbus protocol
Register
Address
Register Content
SPN
(J1939)
PID
(J1587)
Support
Reading
Support
Recording
1
Output Interface Exchange
Rate (RS232, RS485):
1 – 4800
2 – 9600
3 – 19200
4 – 38400
5 – 57600
7 – 115200
No
+
+
2
Operation Mode
1 – Text output
2 – Request-response
(MODBUS)
No
+
+
3
Output interval, s
No
+
+
4
SPN bit mask for output
No
+
+
5
Output bit of calculated fuel
consumption value
No
+
+
6
Maximum fuel consumption
value to obtain its
calculated value, 0.1 l/h
No
+
+
21
Engine speed
190
+
-
22
Actual engine -
percent torque
92
+
-
23
Engine fuel rate
183
+
-
24
Engine instantaneous
fuel economy
184
+
-
25
Axle weight
178
+
-
179
180
181
26
Wheel-based vehicle speed
84
+
-
27
Fuel level 1
96
+
-
28
Engine coolant
temperature
110
+
-
29
Engine oil pressure
100
+
-
30
Ambient air temperature
171
+
-
31
Cab interior temperature
170
+
-
32
Engine oil level
98
+
-
