ACC4100 Diesel Air Compressor Controller User Manual Page 45 of 52
14.5
CUMMINS GCS-MODBUS
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.
Engine type:
Cummins QSK-Modbus, Cummins QST-Modbus, Cummins QSX-Modbus.
Table 24 D-SUB Connector 06
Terminals of controller
D-SUB connector 06
Remark
Fuel relay output
5&8
Outside extended relay, make port 5 and 8 of
connector 06 connected at fuel output.
Starting relay output
-
Connect to starter coil directly.
Table 25 D-SUB Connector 06
Terminals of controller
D-SUB connector 06
Remark
-
20
Communication shielding line (connect with
ECU this terminal only).
RS485+
21
Using impedance 120Ω connecting line.
RS485-
18
Using impedance 120Ω connecting line.
14.6
CUMMINS QSM11
Engine type: Common J1939.
Table 26 Engine OEM Connector
Terminals of controller
OEM connector of engine
Remark
Fuel relay output
38
Starting relay output
-
Connect with starter coil directly.
CAN(H)
46
Using impedance 120Ω connecting line.
CAN(L)
37
Using impedance 120Ω connecting line.