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HGM93XX MPU(CAN) SERIES GENSET CONTROLLER
HGM93XX MPU(CAN) Series Genset Controller Version: 1.1 2016-11-03 Page 69 of 77
15.5 CUMMINS GCS-MODBUS
It is suitable for GCS engine control module. Use RS485-MODBUS to read information of
engine. Engine types are QSX15, QST30, QSK23 / 45/60/78 and so on.
Terminals of controller
D-SUB connector 06
Remark
Fuel relay output
5&8
Outside expand relay, when fuel
output, making port 05 and 08 of
the connector 06 be connected.
Start relay output
-
Connect to starter coil directly
Terminals of controller
D-SUB connector 06
Remark
RS485 GND
20
CAN communication shielding
line(connect with ECU terminal
only)
RS485+
21
I
mpedance 120Ω connecting line
is recommended.
RS485-
18
Impedance 120Ω connecting line
is recommended.
Engine type: Cummins QSK-MODBUS, Cummins QST-MODBUS, Cummins
QSX-MODBUS
15.6 CUMMINS QSM11
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 120Ω connecting line
is recommended.
CAN(L)
37
Impedance 120Ω connecting
line
is recommended.
Engine type: common J1939