Atkinson Electronics GSCM Instructions d'utilisation et d'installation - Page 2
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GENERATOR START CONTROL MODULE
FEATURES & APPLICATIONS
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Automatic starting, load transfer & shutdown of
gas/diesel generators, especially for off-grid uses
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Automatic
adjustable
generator battery charging applications, 0-60V DC
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Works with 12, 24 or 48V battery systems
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Provides fault shutdown for low oil pressure, high
temperature, under-speed or over-speed conditions
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All sequences have adjustable time periods
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30 day exercise with or without load, battery equalize
function available
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Relay driver for emergency shutdown and 30 day
exercise remote indication
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12 hour maximum runtime (with override) for
automatic starting applications
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Totally sealed for harsh environment operation
DESCRIPTION & OPERATION
The GSCM is a micro-processor based generator starting
controller that receives either automatic or manual start
commands and starts a generator, disconnects the starter
when a minimum generator frequency output is measured
and monitors the generator operation, shutting it down if one
of several fault conditions is detected. LEDs are flashed to
indicate the cause of the shutdown. Manually resetting the
GSCM removes the lockout and allows the generator to
restart if called. The GSCM is powered by 12 to 24V DC
from a battery bank and will start generators for 12 to 48V
systems. For 48V systems the GSCM must be powered by
a 24V or less tap on the 48V battery bank.
Adjustment for the timing controls is done during the
initialization period using a single turn potentiometer and two
push button switches on the front of the GSCM unit. An
'Advance' button allows the user to move through the
different timing parameters and the 'Change/Store' button
allows the user to change and then store the new setting.
LEDs indicate which setting is being addressed and the
stored value can be read on the test points. For example: a
Crank Delay voltage setting of 2.5V is 50% of the 0 to 60
second timing range or 30 seconds (see Adjustment Chart in
Section-8). Timing values are stored in memory regardless
of power removal until changed.
The GSCM comes factory pre-set: Crank Delay @ 5s,
Maximum Crank @ 15s, Load Transfer Delay @ 60s, Load
Pre-Off Delay @ 90s, Battery Cut-In Volt. @ 11.5V, Battery
Cut-Out Volt. @ 13.5V, Run/Crank Disconnect @ 30Hz,
Under Speed Shutdown @ 55Hz, Over Speed Shutdown @
65Hz, and 30 Day Exercise Runtime @ 0 (deactivated).
The GSCM provides a 30 day exercise function which can be
synchronized with a photovoltaic input to only start each 30
day period at the beginning of the solar charge day. A user
supplied DC relay can be energized during the 30 day
generator exercise to override a battery charger and allow the
battery bank to equalize by charging the batteries above the
normal charger cut-off point during the exercise period.
Besides generators, the GSCM can be used to start and
control gas/propane or diesel driven pumps.
ATKINSON ELECTRONICS, INC.
Web Site: www.atkinsonelectronics.com
voltage
set-points
for
Distributed by:
SPECIFICATIONS
SIZE & WEIGHT:
5.5" L x 3.3" W x 1.5" H, 20 OZ
MOUNTING:
2 screws through tabs
POWER:
12V to 30V DC or 24V AC
Quiescent current < 10mA
Relay current < 25mA ea. @ 12V
CONNECTIONS:
Qty. (28) 1/4" Spade terminals
ON-OFF INPUTS:
Grounded input = on condition
Open input = off condition
VOLTAGE INPUTS: 0-60V DC
FREQUENCY INPUT: 120-300V AC 0-100 Hz
ADJUSTMENTS:
Qty. (1) single turn potentiometer
(0-5V DC = adjustment range)
Crank Delay
Maximum Crank
Load Transfer Delay
Load Pre-Off
Battery Charge
Cut-In Voltage
Cut-Out Voltage
Under Speed Shutdown
Over Speed Shutdown
Run / Crank Disconnect
30 Day Exercise Runtime -
OUTPUT RATINGS: Qty. (5) 10 Amp 28V DC, 240V AC
Relay contacts
Qty. (2) Open collector NPN
transistors, Max. 200mA each
FAULT DETECTION: 5 conditions that lock out generator
MAX. RUNTIME:
12 hours in automatic start,
(May be overridden)
AMBIENT TEMP:
-30 to 708C
GSCM
-
0 to 60 seconds
-
0 to 60 seconds
-
0 to 60 seconds
-
0 to 120 second
-
0 to 60V DC
-
0 to 60V DC
-
15 to 75 Hz
-
15 to 75 Hz
-
15 to 75 Hz
0 to 1 hour
REV 8/06