ACC4100 Diesel Air Compressor Controller User Manual Page 30 of 52
No.
Type
Function Description
20
Cooler Control
Act by cooler control upper and lower limits of temp. sensor.
21
Fuel Pre-supply
Under standby state, fuel pre-supply output port is active and it
outputs circularly according to pre-set “Fuel Pre-supply Rest
Time” and “Fuel Pre-supply Time”; If “Fuel Pre-supply Rest Time”
is 0h, then it doesn't output;
Before start, pre-set pre-supply time is outputted; If pre-heat time
is not configured, pre-supply outputs; If pre-heat time is
configured, then pre-heat phase outputs.
22
Reserved
23
Pre-lubricate
Act at the phase of pre-heating, fuel, start, and start rest time.
24
Remote Control
Controlled by communication port RS485.
25
Reserved
26
Load Control
Load/Unload key is pressed or load control input is active, then
load control outputs; If load/unload key is pressed again or load
input is inactive, then load control stops outputting.
27
Reserved
28
Starting Relay
Act at engine start; and disconnect after successful start.
29
Fuel Relay
Act at engine start; and disconnect at ETS stop.
30
Idle Control
Used for engine with idle speed; Pull in before start, and
disconnect at entering warming up time; Pull in at the process of
stop idle speed, and disconnect when engine stops completely.
31
Speed Raise Output
Act in warming up period, and controlled by speed regulator in
normal running period.
32
Speed Drop Output
Act from stop idle to waiting for stop period and controlled by
speed regulator in normal running period.
33
Energize to Stop
Used for engine with stop ETS; Pull in when stop idle speed is
over, and disconnect when pre-set “ETS Solenoid Hold” is over.
34
Run Key Switch Control
Used for checking ECU data once at power on; it outputs once it is
power on; it stops outputting the signal at ETS stop time and
failed to stop time;.
35
ECU Stop
Applicable for engine supporting ECU, and used to control ECU
stop.
36
ECU Power Supply
Applicable for engine supporting ECU, and used to control ECU
power.
37
Reserved
38
Crank Success
Pull in when it detects crank success signal.
39
Normal Running
Pull in and output when it is in normal running period.
40
Reserved
41
Reserved
42
Common Alarm
Act at the time of common alarm and common shutdown.
43
Common Shutdown
Act at the time of common shutdown.
44
Common Warning
Act at the time of common warning.
45
Reserved
46
Battery Overvolt
Act when battery voltage high warning occurs.
