Software Release: [App: 02.09.10039.00; Config: 2.9.20024; Built in PowerVision Configuration Studio Version:
2.9.23042; BTL: 02.09.10015.00]
Section 40
56
00-02-0996
2019-06-13
CAN Parameter Map
This feature of the MPC-20-R2 allows an operator to control functions of the controller over CAN (J1939)
similar to Modbus over the RS485 serial port. The map below will allow for devices to communicate via CAN
in place of RS485 to start, stop and control features listed in the map by enabling the setting in the
Communications menu.
All the parameters shown in the map below have a resolution of one and an offset of zero. The PGNs used
are shown in HEX and listed as a proprietary parameters in the J1939 standard.
All PGNs received from the MPC-20-R2 will have identification bytes A3 and AD respectively for the first two
bytes. Sending to the MPC-20-R2 the PGN will be the same as the one it is received from; however, the first
two identification bytes will be changed to be A5, AD. The priority will be 18 (hex), and the source address will
be 70 (hex). To save the value in the controller through power cycles, send PGN FFBB bit 16 a value of 1.
When the controller receives this command, a save occurs. In order to save again, bit 48 needs to be returned
to a 0 before it will allow a 1 again.
Parameter Map updates once per second on the CAN bus when enabled.
PGN
LENGTH
Start
BIT
Stop
BIT
TYPE
DESCRIPTION
UNITS
FF90
2 Bytes
16
31
Read Only
Actual Engine Speed
RPM
2 Bytes
32
47
Read Only
Target Engine Speed
RPM
FF91
2 Bytes
16
31
Read & Write
Minimum Engine Speed Setpoint
RPM
14 = Battery Low Warn
(0 or 1)
15 = Amber Lamp Status
(0 or 1)
40244
Read Only
Active Warning Status (Active Fault: Bit = 1, Inactive: Bit = 0)
0 = Pivot Alignment Warn
(0 or 1)
1 = Reserved
Reserved
2 = Reserved
Reserved
3 = Reserved
Reserved
4 = Reserved
Reserved
5 = Reserved
Reserved
6 = Reserved
Reserved
7 = Reserved
Reserved
8 = Reserved
Reserved
9 = Reserved
Reserved
10 = Reserved
Reserved
11 = Reserved
Reserved
12 = Reserved
Reserved
13 = Reserved
Reserved
14 = Reserved
Reserved
15 = Reserved
Reserved
40245-40246
Read Only
J1939.Aftertreatment 1 Diesel Particulate Filter Time to Next
Active Regeneration
Seconds
40247
Read & Write Remote Alarm Acknowledgement
(0 or 1)
40500
Read Only
J1939.DM1 SPN
Numerals
40501
Read Only
J1939.DM1 FMI
Numerals