HGM8151 Genset Parallel Controller User Manual Page 57 of 66
16.5
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.
Table 27 D-SUB Connector 06
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
Table 28 D-SUB Connector 06
Terminals of controller
D-SUB connector 06
Remark
RS485 GND
20
CAN
communication
shielding
line
(connect with ECU terminal only)
RS485+
21
Using impedance 120Ω connecting line
RS485-
18
Using impedance 120Ω connecting line
Engine type: Cummins QSK-MODBUS, Cummins QST-MODBUS, Cummins QSX-MODBUS.
16.6
CUMMINS QSM11
Table 29 Engine OEM Connector
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
Using impedance 120Ω connecting line
CAN(L)
37
Using impedance 120Ω co
nnecting line
Engine type: common J1939.