OPERATION
Copyright Trace Engineering Company, Inc.
5916 - 195th Street N.E.
Arlington, WA 98223
Telephone: 360/435-8826
Fax: 360/435-2229
www.traceengineering.com
PS Series Inverter/Charger
Part No. 3597
Rev. D: November 23, 1999
Page
75
GENERATOR CONTROL SEQUENCE
The relays close in a specific sequence to start the generator. Some of the timing periods are adjustable
through the GEN STARTING DETAILS (13) menu heading. The two generator control relays complete
the following start sequence:
Figure 22, Relay RY7 and RY8 Sequence
generator
Start
sequence
has been
initiated
sequence' is initiated if the battery voltage remains below the '
'Start/End Quiet time h:m' is enabled) for the required period of time or the 'Read LBCO 30 sec start VDC' setting for 30 seconds;
or if the load amps reaches the 'Load Start amp AC' setting longer than the 'Set Load Start delay min' period. The manual
generator start sequence is initiated if generator is manually turned on via 'Set Generator' to ON.
sequence is initiated if: (1)
The battery voltage has been
held at the
setting for the 'Set Absorption
time h:m' period or (2) The
load amps drops below the
'Load Start amps AC' setting
for longer than the 'Set Load
START
DELAY
PERIOD
8 SECS
FIXED
SET PRE
CRANK
SECONDS
10 SECS.
DEFAULT
SET MAX
CRANKING
SECONDS
10 SECS
DEFAULT
(RY8 goes
off with a
1 sec delay
when
AC HOT IN
>80 VAC)
GEN-RUN PERIOD
(Determined by the
voltage and time
settings under the
'BATTERY
CHARGING' heading
or by the current and
delay min settings
under the 'GEN
AUTO START
SETUP' heading)
SET Gen
WARM-UP
SECONDS
60 SECS
DEFAULT
(Starts once
voltage
exceeds
80 VAC)
COOL
DOWN
PERIOD
2 MINUTES
FIXED
(Only used
with 'Set
Generator'
to AUTO)
LOCK ON
GOOD
DELAY
PERIOD
12 SECS
FIXED
(Starts when
AC is within
108 to 132
VAC
and
53-67 Hz)
Generator is
off and
waiting for
next 'auto
generator
start
sequence
Relays on GEN RELAY MODULE
OFF = relay contact closed from N.C. to COM (relay disengaged)
ON = relay contact closed from N.O. to COM (relay engaged)
Time (Sec) 0 8 18 28 88 100 +100 +220 0 8 18
generator
start
attempt'
STOP
OFF OFF ON
(engages to the N.O. position)
OFF ON OFF (engages to the N.C. position) ON ONOFF
START
DELAY
PERIOD
8 SECS
FIXED
SET PRE
CRANK
SECONDS
10 SECS.
DEFAULT
ON
OFF (engages to the N.C. position)
‘auto
generator
start
attempt’
immediately with an
inverter fault or if 'Set
Generator' is set to
OFF. Also, a "Kill Before
Cranking" signal is
enabled before the next
'auto generator start
attempt'