HGM400N Series Genset Controller User Manual Page 27 of 38
7.3
DEFINED CONTENTS OF PROGRAMMABLE INPUT PORTS 1-4
Table 9 Defined Contents of Programmable Input Ports 1-4 (Active for GND (B-) Connected)
No.
Items
Description
0
Not Used
1
High Temp. Input
If these signals are active after safety on delay, shutdown alarm will
be immediately initiated.
2
Low OP Warning Input
3
Auxiliary Warning
Only warning and not stops if this input is active.
4
Emergency Stop Input
Shutdown alarm will be immediately initiated if this input is active.
5
High Temp. Stop Input
When the gen-set is running normally and this signal is activated, if
there is a high temperature situation, the controller will first cool
down the generator and then stop it; if the signal is deactivated and
a high temperature situation occurs, the controller will shut down
the genset without cooling down.
6
Generator Closed Input
Connect to auxiliary port of gen load breaker.
7
Mains Closed Input
Connect to auxiliary port of mains load breaker.
8
Inhibit High Temp. Stop
When it is active, prohibit stopping when high temperature occurs.
9
Inhibit Low OP Stop
When it is active, prohibit stopping when low oil pressure occurs.
10 Remote Start Input
In
Auto
mode, when input active, genset can be started and with
load after genset is OK; when input inactive, genset will stop
automatically.
11 Low Fuel Level Warn
Connected to sensor digital input. The controller sends an warning
alarm signal when active.
12 Low Coolant Level Warn
13 Low Fuel Level Shutdown
Connected to sensor digital input. The controller sends an shutdown
alarm signal when active.
14 Low Coolant Level Shut.
15 Auto Start Inhibit
In Auto mode, if this input is active, whether mains is normal or not,
the controller will not give a start command to the generator. If
generator is normal running, stop command won’t be executed. When
this input is deactivated, genset will automatically start or stop
according to the mains status (normal or abnormal).
16 Remote Control Input
All buttons in panel is inactive except
and Remote
Mode is displayed on LCD. Remote module can switch mode and
start/stop operation via panel buttons.
17 Failed To Charge
Connect to failed to charge output.
18 Panel Lock
All buttons in panel is inactive except
and there is in
the right of fourth row in LCD when input is active.
19 Manual/Auto Switch
When input is active, enter into auto mode automatically, panel
buttons and local operation are inactive; When input is inactive,
enter into manual mode automatically, remote operation is inhibited.
20 Alarm Mute
Can prohibit “Audible Alarm” output when input is active.
21~31 Reversed
