HGM9520N Genset Paralleled Controller User Manual Page 103 of 111
17
CONNECTIONS OF CONTROLLER AND J1939 ENGINE
17.1
CUMMINS ISB/ISBE
Table 22 Connector B
Terminals of controller
Connector B
Remark
Fuel relay output
39
Starting relay output
-
Connected with starter coil directly;
Auxiliary output 1
Expansion
30A
relay;
providing battery voltage for
terminal 01, 07, 12, 13.
ECU power;
Set output 1 as “ECU power”.
Table 23 9-Pin Connector
Terminals of controller
9 pins connector
Remark
CAN GND
SAE J1939 shield
CAN
communication
shielding
line
(connected with ECU terminal only).
CAN(H)
SAE J1939 signal
Impedance 120Ω connecting line is
recommended.
CAN(L)
SAE J1939 return
Impedance 120Ω connecting line is
recommended.
Engine type: Cummins ISB.
17.2
CUMMINS QSL9
Suitable for CM850 engine control module.
Table 24 50-Pin Connector
Terminals of controller
50 pins connector
Remark
Fuel relay output
39
Starting relay output
-
Connected to starter coil directly.
Table 25 9-Pin Connector
Terminals of controller
9 pins connector
Remark
CAN GND
SAE J1939 shield-E
CAN
communication
shielding
line
(connected with ECU terminal only).
CAN(H)
SAE J1939 signal-C
Using impedance 120Ω connecting line.
CAN(L)
SAE J1939 return-D
Using impedance 120Ω connecting line.
Engine type: Cummins-CM850.
