Cummins QSX15-CM570
Terminals of
controller
50 pins connector
Remark
Fuel relay output
38
Oil spout switch
Start relay output
-
Connect to starter coil directly
Terminals of controller
9 pins connector
Remark
CAN GND
SAE J1939 shield-E
CAN communication shielding line(connect with ECU terminal only)
CAN(H)
SAE J1939 signal-C
Impedance 120 Ω connecting line is recommended.
CAN(L)
SAE J1939 return-D
Impedance 120 Ω connecting line is recommended.
Cummins QSM11 / Common J1939
Terminals of
controller
OEM connector of
engine
Remark
Fuel relay output
38
Start relay output
-
Connect with starter coil directly
CAN GND
-
CAN communication shielding line(connect with controller’s this terminal
only)
CAN(H)
46
Impedance 120 Ω connecting line is recommended.
CAN(L)
37
Impedance 120 Ω connecting line is recommended.
Cummins QSZ13 / Common J1939
Terminals of
controller
OEM connector of
engine
Remark
Fuel relay output
45
Start relay output
-
Connect to starter coil directly
Auxiliary output 1
16&41
Setting to idle speed control; normally close output. Making 16 connect
to 41 during high-speed running of controller via external expansion
relay.
Auxiliary output 2
19&41
Setting to pulse raise speed control; normally open output. Making 19
connect with 41 for 0.1s during high-speed warming of controller via
external expansion relay.
CAN GND
-
CAN communication shielding line(connect with controller’s this terminal
only)
CAN(H)
1
Impedance 120 Ω connecting line is recommended.
CAN(L)
21
Impedance 120 Ω connecting line is recommended.
Detroit Diesel DDEC III-IV / Common J1939
Terminals of
controller
CAN port of engine
Remark
Fuel relay output
Expand 30A relay;
battery voltage of
ECU is supplied by
relay.
Start relay output
-
Connect to starter coil directly
74
easYgen-400
B37884A
7 Interfaces and Protocols
7.1 J1939
Released
