HEM8500 Engine CAN Monitoring Controller User Manual Page 42 of 45
12.3
CUMMINS QSM11
Table 27 Engine OEM Connector
Terminals of controller
OEM connector of engine
Remark
ECU Power
38
Starting Relay Output
-
Connected with starter coil directly.
-
CAN communication shielding line.
CAN(H)
46
Using impedance 120Ω connecting line.
CAN(L)
37
Using impedance 120Ω connecting line.
Engine type: common ECU.
12.4
DETROIT DIESEL DDEC III/IV
Table 28 Engine CAN Port
Terminals of controller
CAN port of engine
Remark
ECU Power
Expansion
30A
relay,
proving battery voltage for
ECU.
Starting Relay Output
-
Connected to starter coil directly.
-
CAN communication shielding line.
CAN(H)
CAN(H)
Using impedance 120Ω connecting line.
CAN(L)
CAN(L)
Using impedance 120Ω connecting line.
Engine type: common ECU.