Smartgen HGM7220N Series User Manual

HGM7220N/HGM7220S GENSET CONTROLLER USER MANUAL
HGM7220N/HGM7220S Genset Controller 2019-02-28 Version 1.0 Page 19 of 60
No.
Type
Description
17
Low Oil Pressure
Shutdown
When controller detects oil pressure is lower than the set value, it will
send stop signals.
18
Level Sensor Open
Circuit
When controller detects sensor is open circuit, and the action is
selected “Shutdown”, it will send stop signals.
19
Low Level Shutdown
When controller detects liquid level is lower than the set value, it will
send stop signals.
20
Config. Sensor 1 Open
Circuit
When controller detects that sensor is open circuit, and action is
selected “Shutdown”, it will send stop signals.
21
Config. Sensor 1 High
When controller detects that the sensor value exceeds the pre-set
upper limit, it will send stop signals.
22
Config. Sensor 1 Low
When controller detects that the sensor value falls below the pre-set
lower limit, it will send stop signals.
23
Config. Sensor 2 Open
Circuit
When controller detects that sensor is open circuit, and action type is
select “Shutdown”, it will send stop signals.
24
Config. Sensor 2 High
When controller detects that the sensor value exceeds the pre-set
upper limit, it will send stop signals.
25
Config. Sensor 2 Low
When controller detects that the sensor value falls below the pre-set
lower limit, it will send stop signals.
26
Input Alarm Shutdown
When digital input port is configured as “Shutdown”, and if it is active,
controller will send stop signals.
27
Gen Phase Seq Wrong
HGM7220S: when controller detects inverse gens phase sequence
or wrong sequence, controller shall issue stop alarm.
6.3 TRIP AND STOP ALARM
When controller detects trip and stop alarms, it will immediately disconnect the generator close
signals and genset shall stop after high-speed cooling.
Table 7 - Trip and Stop Alarms
No.
Type
Description
1
Over Current
When controller detects the genset current is above the set value and
action is selected “Trip and Stop”, it will send trip and stop signals.
2
Maintenance Over
Time
When maintenance time countdown equals 0, and action is selected
“Trip and Stop”, it will send trip stop signals.
3
Reverse Power
When controller detects that the genset reverse power (power is
negative) exceeds the pre-set value, and action is selected “Trip and
Stop”, it will send trip and stop signals.
4
Over Power
When controller detects that the genset power value (power is
positive) exceeds the pre-set value, and action is selected “Trip and
Stop”, it will send trip and stop signals.
5
Input Trip and Stop
When input port is configured as “Trip and Stop”, and if it is active,
controller will send trip and stop signals.

Smartgen HGM7220N Series Specifications

General

Brand	Smartgen
Model	HGM7220N Series
Category	Controller
Language	English