Atkinson Electronics GSCM-MINI-50 Manual - Página 4

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GENERATOR START CONTROL MODULE - MINI (2 Wire to 3 Wire)
GSCM-mini MOMENTARY STARTING SEQUENCE (Relay Option #1)
Once the GSCM-mini-50hz is wired to the generator, Inverter, and is powered by either connecting 12VDC to terminal 2 or turning on
the optional on/off switch connected to terminal 2, the GSCM-mini's Start LED lights for 5 seconds while it determines how it has been
configured (Relay configuration option, Gen.Hz monitoring). The GSCM-mini then indicates that it is ready to receive a start signal by
blinking the start LED once every 5 seconds. For momentary starting sequence the Relay Configuration terminal 6 has NO connection.
The start signal is created by closing a switch connected between the manual start terminal 5 to B+ terminal 3 or connecting the Aux
+ and Aux - terminals form an Outback Inverter to terminal 5 (start) and terminal 7( ground). The module may also start in automatic
mode based on a battery voltage (see Section-4 for Automatic start for battery charging). If the GSCM-mini detects an AC signal from
the generator before a start command is given (ie: the generator is already running), the GSCM-mini's Gen. Hz LED will turn On, and
it will not execute a start sequence until the AC Hz. signal has been cleared.
The generator starting sequence is as follows.
1.
The start LED blinks once every 5 seconds to indicate that the GSCM-mini is in a "Ready" mode. When a manual signal is
received, the start LED lights continuously. After a 2 second delay, K1 relay closes to crank the starter, and remains closed until
either the generator starts or the maximum cranking time period (20 seconds) is reached.
2.
If the generator fails to start after the 20 seconds cranking period, K1 relay opens for a resting period of 40 seconds. The K1 relay
then closes again cranking the starter until the maximum cranking time is reached or the generator starts.
3.
If the generator fails to start after 3 cranking attempts with the associated resting periods, then K2 relay closes for 5 seconds, then
the Gen Hz LED does a double blink, the Fault LED turns ON and the GSCM-mini enters the Max. Crank lockout condition. This
lockout condition remains until the GSCM-mini is reset by removing power from terminal 2 (see GSCM-mini wiring diagram,
previous page) and reconnecting power. The GSCM-mini will then clear the lockout condition, and enter "Ready" mode with the
Start LED blinking Every 5 seconds.
4.
When the generator starts, K1 relay immediately opens, stopping the cranking. A valid run condition is determined by the generator
AC output frequency exceeding the crank disconnect setting of 35Hz and is indicated with the Run LED turned On.
5.
If the generator starts but shuts down after a few seconds due to a fuel problem, etc. the start sequence will revert to the "Ready"
mode after a 60 second delay. During this delay the start LED will blink rapidly. The GSCM-mini will then try to start the generator
again in manual mode or after a 5 minute delay period in auto-start mode.
6.
When a run condition is detected, the GSCM-mini turns ON the Run LED and transistor output (remote run lamp) and after a 60
second generator stabilization period begins monitoring the AC Hz signal for over/under Hz condition.
7.
If the generator starts but shuts down after the 60 seconds stabilization period, due to a fuel problem, etc. the GSCM-mini blinks
the Gen Hz LED for an Under Hz condition, after 60 seconds the Run LED turns Off, Fault LED turns On, and K2 relay energizes
for 5 seconds. The GSCM-mini enters a Fault shutdown lockout condition. A power down reset is required to clear the lockout
condition.
8.
Once a run condition is detected and the generator will continue to run until one of the following occurs: the manual start/run signal
is removed, an Over or Under Hz condition occurs (If Gen. Hz. Shutdown is enabled) or the generator runs out of gas.
9.
During shutdown, K2 relay closes to ensure shutdown of the generator by grounding out the ignition, etc. It remains closed until
the AC Hz signal from the generator has gone to zero for 5 seconds ensuring that the generator has shutdown.
10. The generator remains off until another start signal is received.
GSCM-mini MAINTAINED STARTING SEQUENCE (Relay Option #2)
The GSCM-mini-50hz is wired to the generator, Inverter, Relay Configuration terminal 6 is connected to ground (terminal 7). The GSCM
is then powered by either connecting 12VDC to terminal 2 or turning on the optional power/reset switch connected between terminal
2 & B+ (12VDC). The GSCM-mini's Start LED lights for 5 seconds while it determines how it has been configured (Relay configuration
option, Gen.Hz monitoring). The GSCM-mini is configured for maintained start sequence and then indicates that it is ready to receive
a start signal by blinking the start LED once every 5 seconds. The generator starting sequence is as follows.
1.
The start LED blinks once every 5 seconds to indicate that the GSCM-mini is in a "Ready" mode. When a manual start/run signal
is received, the start LED lights continuously. After a 2 second delay, K1 relay closes to start the generator. The K1 relay remains
closed until either the start/run signal is removed or the maximum cranking time of 1 minute is reached.
2.
If the generator fails to start after a single 1 minute start period, K2 relay closes for 5 seconds, then the Gen Hz LED does a double
blink, the Fault LED turns ON and the GSCM-mini enters the Max. Crank lockout condition. This lockout condition remains until
the GSCM-mini is reset by removing power from terminal 2 (see GSCM-mini wiring diagram) and reconnecting power. It will then
clear the lockout condition, and enter "Ready" mode with the Start LED blinking Every 5 seconds.
ATKINSON ELECTRONICS, INC.
Web Site: www.atkinsonelectronics.com
Distributed by:
GSCM-MINI-50HZ
SECTION - 1
SECTION - 2
REV 5/08