HMC9000 Diesel Engine Controller User Manual
HMC9000 Diesel Engine Controller 2015-12-25 Version 1.3 Page 49 of 52
13.12 VOLVO-EMS2
Compatible with the following Volvo engines: TAD734, TAD940, TAD941, TAD1640, TAD1641,
TAD1642.
Terminals of controller
Engine CAN port
Remark
Auxiliary output 1
With the help of expansion
relay, when auxiliary output 1
is active, relay normally open
contact closes, which leads
to short circuit of engine 8 pin
terminal #4 wire and #6 wire.
Set auxiliary
output 1 as “ECU shutdown”
Auxiliary output 2
With the help of expansion
relay, when auxiliary output 2
is active, relay normally open
contact closes, which leads
to short circuit of engine 8 pin
terminal #4 wire and #5 wire.
Set auxiliary output 2
as “Preheating until
cranking
” and set preheating time as 5
seconds.
3
Power supply negative
4
Power supply positive
SCR (EXPANSION)
-
CAN communication shielding line (connect
to controller
’s terminal only)
CAN(H) (EXPANSION) 1(Hi)
Impedance 120Ω connecting line is
recommended.
CAN(L) (EXPANSION)
2(Lo)
Impedance 120Ω connecting line is
recommended.
Engine type:
Volvo-EMS2
13.13 BOSCH
Compatible with BOSCH common rail electronic engines.
Terminals of controller
42 pin engine port
Remark
Fuel relay output
1.40
Connect to engine ignition switch.
Start relay output
-
Connect to starter coil directly
SCR (EXPANSION)
-
CAN communication shielding line (connect to
controller
’s terminal only)
CAN(H) (EXPANSION) 1.35
Impedance 120Ω connecting line is recommended.
CAN(L) (EXPANSION)
1.34
Impedance 120Ω connecting line is recommended.
