Atkinson Electronics GSCM-MINI-50 Podręcznik - Strona 5

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GENERATOR START CONTROL MODULE - MINI (2 Wire to 3 Wire)

GSCM-mini MAINTAINED STARTING SEQUENCE continued

When the generator starts, K1 relay remains energized. A valid run condition is determined by the generator AC output frequency

exceeding the crank disconnect setting of 35Hz and is indicated by the Run LED being turned ON.

If the generator starts but shuts down after a few seconds due to a fuel problem, etc. K2 relay closes for 5 seconds, ensuring the

generator is not still running, the GSCM-mini enters a 60 second delay period in which the Start LED blinks rapidly. At the end of

the period the GSCM-mini re-enters "Ready" mode, and will then try to start the generator again in manual mode or after a 5 minute

delay period in auto-start mode.

When a valid run condition is detected, the GSCM-mini turns ON the Run LED and open collector transistor output (remote run

lamp) and after a 60 second generator stabilization period, the GSCM-mini begins ( if enabled) monitoring the AC Hz signal for

over/under Hz condition.

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.

The generator continues running until one of the following occurs: the manual start signal is no longer received, an Over or Under

Hz condition occurs (If Gen. Hz. Shutdown is enabled) or the generator runs out of gas.

When the start/run signal is removed, K1 de-energizes, then ½ second later, K2 relay energizes, remains closed until the AC Hz

signal from the generator goes to zero for 5 seconds ensuring generator shutdown.

The generator remains off until another start signal is received.

GSCM-mini IGNITION/CRANK STARTING SEQUENCE (Relay Option #3)

The GSCM-mini-50hz is wired to the generator, Inverter, Relay Configuration terminal 6 has been connected to B+(terminal 3). 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 1,2, or 3, Gen.Hz monitoring). The GSCM-mini is configured for ignition/crank start sequence, and indicates that

it is ready for a start signal by blinking the start LED once every 5 seconds. The starting sequence is as follows.

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, K2 (ignition) relay energizes and remains energized until the

start signal is either removed or the generator fails to start after 3 attempts. K1 relay closes to crank the starter. The K1 relay

remains closed until either the generator starts or the maximum cranking time period (20 seconds) is reached.

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.

If the generator fails to start after 3 cranking attempts with the associated resting periods then K2 relay de-energizes and the

GSCM-mini enters its Max. Crank Lockout Fault condition, the Gen Hz LED does a double blink, the Fault LED turns ON. This

lockout condition remains until the GSCM-mini is reset by removing power from terminal 2 and reconnecting power. The GSCM-

mini will then clear the lockout condition, and enter "Ready" mode with the Start LED blinking Every 5 seconds.

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.

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 10 minute delay period in auto-start mode.

When a run condition is detected, the GSCM-mini turns ON the Run LED and open collector transistor output (remote run lamp)

and after a 60 second generator stabilization period it begins (if enabled) monitoring the AC Hz signal for over/under Hz condition.

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 de-

energizes. The GSCM enters a Fault shutdown lockout condition. A power down reset is required to clear the lockout condition.

The generator continues running until one of the following occurs: the manual start signal is no longer received, an Over or Under

Hz condition occurs (If Gen. Hz. Shutdown is enabled) or the generator runs out of gas.

ATKINSON ELECTRONICS, INC.

Web Site: www.atkinsonelectronics.com

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GSCM-MINI-50HZ

SECTION - 2

SECTION - 3

REV 5/08