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Atkinson Electronics GSCM にも：操作およびインストール手順 (16 ページ)

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Automatic Starting for Battery Charging or from Pressure Switch, Etc.

The GSCM monitors a battery voltage of 0 to 60VDC on battery voltage sense terminal 4. This mode is disabled if the voltage on

terminal 4 is less than 6V, (no connection) or both the cut-in or cut-out voltage adjustment has been set to 5V.

1. The start LED blinks once every 5 seconds to indicate that the GSCM is in ready mode. When the battery voltage

connected to the battery sense input, terminal 4, drops below the battery voltage cut-in adjustment value, the battery

cut-in LED begins blinking once a second. The battery voltage must remain below the cut-in adjustment value for 5

continuous minutes to activate an auto start. If the battery voltage rises above the cut-in adjustment value during the 5

minute period it clears the timer and starts over. Temporary battery voltage fluctuations such as instantaneous inverter

loads will not cause the GSCM to start the generator.

2. Once the battery cut-in timer has reached 5 minutes, it sets the automatic start, indicated by the start LED blinks once

every 2.5 seconds. The GSCM then enters its start routine with the K4 (shutdown) relay energizes to ensure the generator

is not running before beginning the cranking sequence. After 7 seconds the K4 relay de-energizes and the GSCM begins its

cranking routine. See GSCM STARTING SEQUENCE section 1-8.

3. The GSCM shuts down the generator whenever the battery voltage exceed the cut-out adjustment value for 10 minutes.

See GSCM STARTING SEQUENCE section: 9-14. The battery cut-out LED blinks during this 10 minute period. The GSCM will

exit the 10 minute period and shutdown the generator if the battery voltage exceeds the cut-out value by +1VDC (for 12V

systems, +2 for 24V system, higher voltages are proportional). The generator remains off until started again by the battery

voltage dropping below the battery cut-in adjustment value.

4. If the user wishes to disable the 5 minute start delay and 10 minute shutdown delay timers for a battery charging

application. See GSCM INITALIZATION AND ADJUSTMENT section 6-7.

5. If the generator has been running for 12 continuous hours in automatic battery charge mode without the battery voltage

reaching the cut-out adjustment value, the GSCM will shut down the generator and indicate a maximum runtime fault by

slowly blinking the max crank/ max runtime LED. See GSCM SHUTDOWN CONDITIONS section: 6. This runtime fault is only

active in the automatic starting mode.

6. The GSCM will clear the max runtime fault if the reset terminals 7 & 8 are momentarily shorted, a manual start signal is

applied to terminals 5 & 6, or a period of 12 hours passes from the time the max runtime fault occurred.

7. The user can force the GSCM to remain locked out beyond the 12 hours shutdown period by interrupting the battery

voltage applied to terminal 4 with a normally closed contact DC relay connected to terminal 18 and Battery +. This relay

will energize during any fault condition requiring a manual reset to clear the fault. (See the wiring diagram on page 2).

8. Connecting the 12 hour shutdown terminals 15 and 16 together with a jumper wire will allow the generator to continue to

run indefinitely in automatic battery charge mode if the battery voltage does not reach the battery cut-out adjustment

value. If the user wishes to only override the current cycle, such as needing more than the 12 hours to initially charge a

large battery bank, the momentarily connecting the 12 hour shutdown terminals 15 & 16 together while the generator is

running will allow it to exceed the 12 hour limit on its current cycle, but will reinstate the 12 hour limit for all future

charge cycles.

9. There is no maximum runtime shutdown after 12 hours if the manual start input (terminal 5 & 6) is used to start the

generator.

10. If the user wishes to have the 12 hour max runtime feature present when starting the generator from a separate pressure

switch, level switch, thermostat or inverter start contact, etc. to prevent the generator from running indefinitely, all one

needs to do is; run the battery voltage through previously mentioned device contacts and connect it to the battery sense

input (terminal 4) and adjusting both the battery cut-in and cut-out values to 5VDC (while in set-up adjustment mode).

The GSCM will start the generator in automatic start mode and it will run until either the input voltage signal is

disconnected by the contact opening, the 12 hour max run time limit is reached (as described in paragraphs 5-8) or a fault

occurs. Any DC voltage greater than 6VDC and less than 60VDC may be used for this mode with the battery cut-in and cut-

out values set to maximum. Terminal 4 switched input applications automatically disables the 5 minute and 10 minute

start and shutdown delay timers.

www.atkinsonelectronics.com

800.261.3602

Circuit Board Division

Revised 09/18