Volvo EDC4 / TD520, TAD520 (optional), TD720, TAD720 (optional), TAD721,
TAD722, and TAD732
Terminals of
controller
Connector
Remark
Fuel relay output
Expand 30A relay;
battery voltage of
terminal 14 is
supplied by relay.
Fuse is 16A.
Start relay output
-
Connect to starter coil directly
1
Connected to negative of battery
CAN GND
-
CAN communication shielding line(connect with controller’s terminal
only)
CAN(H)
12
Impedance 120 Ω connecting line is recommended.
CAN(L)
13
Impedance 120 Ω connecting line is recommended.
Volvo EMS2 / TAD734, TAD940, TAD941, TAD1640, TAD1641, and TAD1642.
When this engine type is selected, preheating time should be set to at least 3 seconds.
Terminals of
controller
Engine’s CAN port
Remark
Auxiliary output 1
6
ECU stop Set Auxiliary output 1 as “ECU Stop”
Auxiliary output 2
5
ECU power Set Auxiliary output 2 as “ECU power”
3
Negative power
4
Positive power
CAN GND
-
CAN communication shielding line(connect with controller’s terminal
only)
CAN(H)
1(Hi)
Impedance 120 Ω connecting line is recommended.
CAN(L)
2(Lo)
Impedance 120 Ω connecting line is recommended.
Yuchai / BOSCH
Terminals of
controller
Engine 42 pins port
Remark
Fuel relay output
1,40
Connect to engine ignition lock
Start relay output
-
Connect to starter coil directly
CAN GND
-
CAN communication shielding line(connect with controller’s this terminal
only)
CAN(H)
1,35
Impedance 120 Ω connecting line is recommended.
CAN(L)
1,34
Impedance 120 Ω connecting line is recommended.
Battery
Engine 2 pins
Remark
Battery negative
1
Wire diameter 2.5mm2
Battery positive
2
Wire diameter 2.5mm2
77
easYgen-400
B37884A
7 Interfaces and Protocols
7.1 J1939
Released
