Atkinson Electronics GSCM-MINI Handmatig
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GENERATOR START CONTROL MODULE - MINI (2 Wire to 3 Wire)
FEATURES & APPLICATIONS
Inexpensive 2 wire to 3 wire start controller for
electric start high speed gas generators.
Optimized for use with Outback Invertors.
Supports three types of 3 wire generator control
(momentary, maintained, ignition).
Fixed Crank time, Over and Under Hz shutdown
thresholds.
Optional Battery charging with fixed set points.
Remote Run and Fault indication included.
Totally sealed for harsh environment operation
DESCRIPTION
The GSCM-mini is a micro-processor based generator start-
stop module, designed to auto start-stop high speed gas
generators needing a 3 wire connection from a 2 wire
manual start command. It automatically disconnects the
starter when a minimum generator AC Hz. output is
measured, it can monitor the generator's output, shutting
it down if either an over or under Hz condition is detected.
LEDs are flashed to indicate the cause of the shutdown.
Manually resetting the GSCM-mini by removing the power,
removes the lockout and allows the generator to restart if
called to do so. The GSCM-mini is powered by 12VDC
from the generator battery, and can monitor the battery
voltage and start the generator to charge it's own battery.
All Thresholds are fixed. The GSCM-mini is a limited
function controller, part of the GSCM family. If adjustability
is required use the GSCM full function Generator Start
Control Module.
THREE MODES OF RELAY OPERATION
The GSCM-mini's two relay contacts can be configured for
three types of three wire start/stop hook-up configurations;
momentary, maintained and Ignition for Honda , Onan ,
Yamaha , and other brands of generators.
accomplished with an optional jumper on terminal 6.
Momentary Start Contact Option #1, terminal 6, has No
Connection. The GSCM-mini defaults to a momentary crank
operation for those generators that use two momentary
push button switches to start and stop the generator. K1
cranks the Starter and K2 momentarily grounds the
magneto. See Section 1 for operation description.
Maintained Start Contact Option #2, terminal 6, is
grounded. The GSCM-mini changes to a maintained start
operation for generators that use a maintained closed
contact to start (K1). The generator is stopped by opening
K1 and closing K2 contact, momentarily grounding the
magneto. See Section 2 for operation description.
Ignition Key Switch Start Contact Option #3, terminal 6,
is connected to B+ (12VDC). The GSCM-mini simulates an
automobile ignition switch, K2 closes, maintains a closed
ignition contact for the generator to run and K1 closes
momentarily to crank the starter motor. and de-energizes
when the start signal is removed. The K1 relay operates in
a momentary crank configuration. See section 3 for
operation description.
ATKINSON ELECTRONICS, INC.
Web Site: www.atkinsonelectronics.com
LED INDICATION DESCRIPTION
The GSCM-mini has six indication LEDs. The Start LED,
blinks every 5 seconds to indicate ready for a start signal,
blinks every 2.5 sec. to indicate running in Auto Start mode,
'On' continuously indicates running in Manual Start mode.
The Generator Hz LED, blinks to indicate over/under Hz Fault
and Start Failure do to Maximum crank attempted. A slow
blink indicates an under Hz condition, a fast blink indicates an
over Hz condition. 'On' continuously indicates AC present in
a non run condition. A double blink indicates a start failure
condition. The Run LED, 'On' continuously indicates a valid
Run signal from the generator. The Fault LED,'On' indicates
a Fault condition has occurred and GSCM is in lockout and
must be reset. The K1 and K2 LEDs indicate the relay status.
OPERATIONAL THRESHOLDS
The GSCM-mini has fixed operational thresholds. Those are:
Crank delay, Maximum Crank time, Crank Hz. Disconnect,
Under Speed Shutdown, Over Speed Shutdown, and auto
This is
detects the Battery voltage to determine the auto start and
auto stop threshold values for 12V, 24V, and 48V battery
systems. If adjustability is required then use the GSCM full
function control module.
Crank delay:
Maximum Crank:
Crank Disconnect:
Under Speed Shutdown:
Over Speed Shutdown:
Auto Start/Stop
Thresholds:
12V system
24V system
48V system
Relay Configuration:: Open input = Momentary Crank
(TERMINAL 6)
Fault Detection:
Distributed by:
GSCM-MINI
5 seconds
20 seconds
45Hz
55Hz
65Hz
Start
Stop
11.5V
13.8V
Standard
23.0V
27.6V
Call for option
46.0V
55.2V
Call for option
Grounded input = Maintained Crank
B+ (12VDC) input = Ignition & Crank
Start Failure, (3 attempts)
Over Hz condition (10 seconds)
Under Hz condition (10 seconds)
REV 9/05