ACC4100 Diesel Air Compressor Controller User Manual Page 43 of 52
14
CONNECTIONS OF CONTROLLER WITH J1939 ENGINE
14.1
CUMMINS ISB/ISBE
Engine type: Cummins ISB.
Table 16 Connector B
Terminals of controller
Connector B
Remark
Fuel relay output
39
Starting relay output
-
Connect with starter coil directly.
Auxiliary output port 1
Expansion
30A
relay,
providing battery voltage for
01, 07, 12, 13 terminals.
ECU power;
Set configurable output 1 as “ECU power”.
Table 17 9-pin Connector
Terminals of controller
9 pins connector
Remark
-
SAE J1939 shield
CAN
communication
shielding
line
(connect 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.
14.2
CUMMINS QSL9
Suitable for CM850 engine control module; Engine type: Cummins-CM850.
Table 18 50-pin Connector
Terminals of controller
50 pins connector
Remark
Fuel relay output
39
Starting relay output
-
Connect to starter coil directly.
Table 19 9-pin Connector
Terminals of controller
9 pins connector
Remark
-
SAE J1939 shield-E
CAN
communication
shielding
line
(connect 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.