DSE Model 5520 Automatic Mains Failure Control and Instrumentation System Operators Manual
5520 OPERATING MANUAL ISSUE 1 04/02/05 AM
18
GENERATOR HIGH FREQUENCY,
if the module detects a generator output frequency in excess
of the pre-set pre-alarm, a warning is initiated. Alarm Warning High frequency will be displayed, it
is an
immediate warning
.
Alarm
Warning
Over frequency
GENERATOR LOW FREQUENCY,
if the module detects a generator output frequency below the
pre-set pre-alarm after the Safety On timer has expired, a warning is initiated. Alarm Warning Low
Frequency will be displayed
Alarm
Warning
Under frequency
GENERATOR HIGH VOLTAGE,
if the module detects a generator output voltage in excess of the
pre-set pre-alarm, a warning is initiated. Alarm Warning High voltage will be displayed, it is an
immediate warning
.
Alarm
Warning
AC Overvolts
GENERATOR LOW VOLTAGE,
if the module detects a generator output voltage below the pre-
set pre-alarm after the Safety On timer has expired, a warning is initiated. Alarm Warning Low
Voltage will be displayed.
Alarm
Warning
AC Undervolts
CAN ECU ERROR,
If the module is configured for
J1939 instruments
and receives an
“
er
r
or
”
message
f
r
om
t
he
engi
ne
cont
r
ol
uni
t
,
‘
Can
ECU
er
r
or
”
i
s
shown
on
t
he
modul
e’
s
display and a warning alarm is generated.
Example
Alarm
Alarm
Can ECU error
Exhaust high
temperature
The display will alternate
between the text display and the
manufacturers error codes
Can ECU error
SPNnnnnnnn
FMInnnnnnn