APC615 Pump Unit Controller User Manual
APC615 Pump Unit Controller Version 1.0 2017-10-20 Page 28 of 54
7.2 DEFINITION CONTENT OF RELAY OUTPUT PORTS
Table 10
– Definition of Relay Output 1-6
No.
Type
Description
0
Not Used
1
Custom Period 1
Details of function description please see the following.
2
Custom Period 2
3
Custom Period 3
4
Custom Period 4
5
Custom Period 5
6
Custom Period 6
7
Custom Combined 1
8
Custom Combined 2
9
Custom Combined 3
10
Custom Combined 4
11
Custom Combined 5
12
Custom Combined 6
13~16
Reserved
17
Air Flap Control
Action when over speed shutdown and emergence stop alarms
occur. It can close the air inflow to stop the engine as soon as
possible.
18
Audible Alarm
Action when warning or shutdown alarms occur. It is can
connect with an
annunciator externally. When “alarm mute”
input port is active, the alarm will be prohibit.
19
Louver Control
Action when engine starts up and disconnect after genset
stopped completely.
20
Fuel Pump Control
It is controlled by fuel pump of level sensor controls upper and
lower limits to control its action.
21
Heater Control
It is controlled by heating of temperature sensor controls upper
and lower limits to control its action.
22
Cooler Control
It is controlled by cooler of temperature sensor controls upper
and lower limits to control its action.
23
Fuel Pre-supply
In standby status,
“Fuel Pre-supply” output port is active, it will
cycle output based on the
“Fuel Pre-supply Interval Time” and
“Fuel Pre-supply Time”; if “Fuel Pre-supply Interval Time” is
configured as 0, it will not output.
Before crank, it will output based on the preset
“Fuel
Pre-supply Time
”. If pre-heat time is not configured, it will
output in fuel pre-supply stage; If pre-heat time is configured, it
will output in pre-heat stage.
24
Reserved
25
Pre-Lubricate
Actions in period of pre-heating to safety run.
26
Remote Control
This port is controlled by RS485 communication.
27~32
Reserved
33
Start Relay
Action while genset is starting and disconnect after genset
