GSCM-mini - Atkinson Electronics Inc
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1. 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 This is accomplished with an optional jumper on terminal 6 iei iei v ow ei be d ei ei ei vw uw 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 GSCM M2. and 48V battery systems If adjustability is required then use the GSCM full function control module Crank delay 5 seconds Maximum Crank 20 seconds Crank Disconnect 45Hz Under Speed Shutdown 55Hz Over Speed Shutdown 65Hz Auto Start Stop Thresholds Start Stop 12V system 11 5V 13 8V Standard 24V system 23 0V 27 6V Call for option 48V system 46 0V 55 2V Call for option Relay Configuration Open input Momentary Crank TERMINAL 6 Grounded input Maintained Crank B 12VDC input Ignition amp Crank Fault Detection Start Failure 3 attempts Over Hz condition 10 seconds Under Hz condition 10 seconds REV 9 05 Distributed by GENERATOR START CONTROL MODULE MINI 2 Wire to 3 Wire GSCM MINI GSCM mini WIRING DIAGRAM AND CONTROLLER CONFIGURATION EMERGENCY OUTBACK INVERTER SHUTDOWN SWITCH OPTIONAL TERMINAL BLOCK Amp N PWR RESET SWITCH A NV M LO OUTBACK D INVERTER Ww rz d Wu e2ovor GENERATOR iom ie DI AUX 4 GENERATOR STARTER BATTERY CONNECT TETUR AUX IN PARALLEL WITH STOP XOT Terminals 19 16 1 Amp SHUTDOWN Q xCI Pe NOTE 2 CON3 FUSE OPTIONAL GENERATOR GENERATOR GENERATOR LIN L2 BATTERY CONFIG OVER UNDER Hz CHARGING an SHUTDOWN
3. Hz condition 7 Ifthe 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 enters a Fault shutdown lockout condition A power down reset is required to clear the lockout condition 8 The generator continues running until one of the following occurs the manual start signal is no longer received the auto battery charge voltage has been reached while running in Auto Charge Mode an Over or Under Hz condition occurs If Gen Hz Shutdown is enabled or the generator runs out of gas No run time limit 9 When the manual start signal is removed K2 relay de energizes opening the ignition circuit shutting down the generator The GSCM mini then monitors the Generator AC Hz input to watch for a zero Hz condition before returning to Ready mode If the AC signal remains the GSCM mini s Generator HZ LED turns on indicating AC Hz Signal still present and will not return to Ready mode until the AC signal goes to zero Once it goes to zero the GSCM mini returns to Ready mode 10 The generator remains off until another start signal is received GSCM mini WITH A MANUAL OFF AUTO SWITCH OPTIONS SECTION 4 The Manual start signal is created by connecting terminal 5 man Start to terminal 3 B 12VDC through a Power Reset Switch see GSC
4. MONITORS IT S MAN OFF AUTO SWITCH MAN AUT OWN BATTERY BANK AND PROVIDES A START B 2 o9 AUTO AUX SIGNAL TO THE GSSM TO START THE GENERATOR 12VDC TO CHARGE 12V 24 OR 48V BATTERY BANKS AUX 2 5 7 MANUAL CONS See Page 5 Section 4 REV 9 05 Distributed by GENERATOR START CONTROL MODULE MINI 2 Wire to 3 Wire GSCM MINI OPTION 1 MOMENTARY START CONTACT TYPICAL GENERATOR W STARTER CONTROL BOX MOMENTARY INPUT TYPICAL HONDA REMOTE SWITCH WIRING TYPICAL ONAN REMOTE SWITCH WIRING K K 1 2 RELAY OPT TERMINAL i H H START CRANK STOP IGN START CRANK STOP IGN waews PH IY fe B NO CONNECTION 13 LS E d REMOTE SWITCH 14 15 16 13 14 15 16 GENERATOR I n REMOTE SWITCH CENTER a wk oh WIRING ON on T E WIRE GSSM K1 amp K2 CONTACTS IN PARALLEL WITH SWITCH The K1 relay is used to switch the start crank input which is looking for a momentary signal and opens when the generator has reached 50Hz or half speed The K2 relay provides a momentary stop signal until the generator AC Hz has dropped to zero For GSCM mini operational sequence details see Page 4 Section 1 OPTION Z2 MAINTAINED START CONTACT TYPICAL GENERATOR W STARTER CONTROL BOX MAINTAINED INPUT RELAY OPT TERMINAL 6 7 GROUND TO 7 eral E GROUNDS ERI IGNITION START TERMINAL INPUT FOR SHUTDOWN The K1 relay provides a continuous run
5. remains off until another start signal is received GSCM mini MAINTAINED STARTING SEQUENCE Relay Option 2 SECTION 2 The CONFIGURATION terminal 6 has been connected to ground terminal 7 configuring the GSCM mini for maintained start sequence The GSCM mini is then powered by connecting B 12 0 VDC to terminal 2 After 10 seconds the GSCM mini 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 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 signal is removed or the maximum cranking time of 1 minute is reached 2 Ifthe generator fails to start after a single 1 minute start period GSCM mini enters its Shutdown Routine 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 The GSCM mini will then clear the lockout condition and enter Ready mode with the Start LED blinking Every 5 seconds 3 When the generator starts K1 relay remains energized A valid run condition is determined by the generator
6. switch 12VDC signal to start the generator This switched voltage can be connected directly to the manual start terminal 5 and ground terminal 7 See GSCM mini wiring diagram for hook up A GENERATOR EMERGENCY SHUTDOWN WITH THE GSCM mini SECTION 7 The GSCM mini Generator Start Stop module is NOT AN EMERGENCY SHUTDOWN DEVICE If the manual start signal is removed the generator will go through a normal shutdown which may take up to 15 seconds to completely shutdown the generator A RECOMMENDED EMERGENCY SHUTDOWN SOLUTION is to install a separate Kill switch and label it as such The recommended wiring is shown on page 2 of these instructions and also in Application 1 Disconnecting the power to the GSCM mini module will force the relays to open This will shutdown generators that require a maintained run signal from K1 relay However this also prevents the K2 relay from closing to shutdown those generators requiring a momentary stop signal Using a double pole Kill switch and wiring the second pole in parallel with the K2 relay terminals will force the generator to stop in an emergency situation such as a fuel spill see note 1 on wiring diagram page 2 for Ignition crank emergency shutdown option ATKINSON ELECTRONICS INC REV 9 05 Web Site www atkinsonelectronics com Distributed by GENERATOR START CONTROL MODULE MINI 2 Wire to 3 Wire GSCM MINI LED DESCRIPTION WHAT THEY MEAN SECTION 8 1 Start one blink every 5 seconds
7. threshold for 5 continuous minutes the Auto start sequence begins If the battery voltage rises above the start threshold during the 5 minute period the 5 minute timing cycle starts over Temporary battery voltage fluctuations such as instantaneous inverter loads will not start the GSCM The start LED blinks every 3 seconds while the GSCM mini is running the generator in auto start battery charging mode 2 The GSCM mini starts the generator as described in sections 1 momentary start 2 maintained start or 3 ignition start 3 The GSCM mini shuts down the generator as described in Sections 1 2 or 3 whenever the battery voltage exceeds the stop threshold for 10 minutes The Start LED blinks three fast blinks with 2 second off time during this 10 minute period The GSCM mini will exit the 10 minute period and shutdown the generator if the battery voltage exceeds the stop point by 1 0V for a 12V system 2V for 24V system voltages are proportional The generator remains off until the battery voltage drops below the start threshold voltage There is no maximum runtime shutdown in either manual or auto start 5 If the user wishes to manual start the generator from a separate pressure switch level switch thermostat or inverter start contact etc the battery voltage is fed through the switch pressure switch etc contact to Manual start terminal 5 Closing the contact will cause the GSCM mini to start the generator Some invertors provide a
8. 0V DC transistors Max 300mA each AUTO START Start Stop FAULT DETECTION Start Failure 3 attempts STOP THRESHOLD 12V System 11 5V 13 5V Over Hz condition 10 seconds 24V System 23 0V 27 0V Under Hz condition 10 seconds 48V System 46 0V 54 0V AMBIENT TEMP 40 to 85 C APPLICATION 2 REMOTE RV GENERATOR START CONSOLE REPLACEMENT P tt The GSCM mini can be used DTE EMERGENGY MAIN GEN to replace a typical remote SHUTDOWN SWITCH idw O rig yee MSBMIOA SEPARATE 120C LICHT generator control console that U Lo oo is mounted on the dash of a FUSE TQ A PR EQUIVALENT motorhome Instead of a large s NOTE 1 GENERATOR GENERATOR GENERATOR 1 Amp console and cable use a CONNECT BATTERY CONFIG OVER UNDER Hz LA 4 IN PARALLEL CHARGING SHUTDOWN T small 16 to 18 gauge 4 wire TIAS o BENE AC OUTPUT signal cable an on off switch 14 S o F l 510 ni i2 with built in light and a PE ls H j j h j separate 12vdc fault light S DOET OY WAN RAY GNH GEN OUT GENERATOR When the remote switch is GENERATOR 12V DC SENSE START OPTION ENABLE ul N t d th GSCM ral STARTER BATTERY TERMINAL 46 RELAY OPTIONS Ki ko AG he urned on e mint NO CONTACT MOMENTARY START CRANK STOP starts the generator After the CONNECTED TO GND MAINTAINED START MAINTAIN STOP NOTE IF NO NEUTRAL CONNECTED TO 12V KEY SWITCH CRANK IGNITION AVAILABLE CONNECT generator starts and comes up EMERGENCY Generator Start N 10 L2 W FUSE to speed the run L
9. AC OUTPUT ee B cr GND 3 NOTE IF NO NEUTRAL i AVAILABLE CONNECT ae N TO 12 W FUSE 7 2 4 5 6 7 8 9 10 2d d Dd RI d B BAT VY MA RELAY GEN Hz GEN OUT 12V DC SENSE START OPTION ENABLE iON ERMINAL 6 RELAY OPTIONS K1 K2 AC He NO CONTACT MOMENTARY START CRANK STOP CONNECTED TO GND MAINTAINED START MAINTAIN STOP CONNECTED TO 12V KEY SWITCH CRANK IGNITION 5 lt C Generator Start e MI Control Module Q Atkinson Electronics Incorporated 2005 MAN CONTINOUS SIART AUTO SLOW BLINK GEN Hz OVER SPEED FAST FAULT UNDER SPEED SLOW B RUN FAULT B KI K2 aad ran J L AAA AMA I ir As cmt iw e g n 15 16 EMERGENCY 0 3A 0 5A 10A 10A SHUTDOWN MAX MAX MAX MAX SWITCH a CH RUN dee FAULT INDICATION INDICATION DUELO 12V LIGHT 12V LIGHT FOR GENERATOR CONFIGURATION SEE APPROPRIATE INGITION TYPE ONLY APPLICATION 2 6 SECTION NOTE 1 NOTE 2 OPTIONAL REMOTE IF THE GENERATOR THREE 3 WIRE START STOP CONNECTION REQUIRES AN IGNITION MAINTAINED CONTACT CLOSER TO RUN AND A CRANK CONTACT TO START THE GENERATOR THE EMERGENCY SHUTDOWN SWITCH ONLY NEEDS A SINGLE CONTACT TO DISCONNECT THE POWER FROM THE GSSM REMOVING POWER CAUSES THE STOP ICN RELAY TO DE ENERGIZE SHUTTING DOWN THE GENERATOR ATKINSON ELECTRONICS INC Web Site www atkinsonelectronics com THE BATTERY VOLTAGE SENSE INPUT IS USED TO PROVIDE AN AUTO START FOR THE GENERATOR TO CHARGE IT S OWN CRANK BATTERY THE OUTBACK INVERTER ALREADY
10. AC output frequency exceeding the crank disconnect setting of 45Hz and is indicated by the Run LED being turned ON 4 If the generator starts but shuts down after a few seconds due to a fuel problem etc The GSCM mini goes thru it s Shutdown Routine then re enters 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 ATKINSON ELECTRONICS INC REV 9 05 Web Site www atkinsonelectronics com Distributed by GENERATOR START CONTROL MODULE MINI 2 Wire to 3 Wire GSCM MINI GSCM mini MAINTAINED STARTING SEQUENCE continued SECTION 2 5 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 begins monitoring the AC Hz signal for over under Hz condition 6 Ifthe 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 truns 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 7 The generator continues running until one of the following occurs the manual start signal is no longer received the auto battery cha
11. CS INC Web Site www atkinsonelectronics com EMERGENCY SHUTDOWN KILL SWITCH WIRING IGNITION GSSM POWER USER SUPPLIED EMERGENCY 1 2 KILL SWITCH Amp 2 FUSE A single pole kill switch wired and installed by the user stops the generator instantly in emergency situations such as a fuel spill One switch pole N C kills power to the GSCM mini opening all relays shutting down the ignition switch type generators REV 9 05 Distributed by GENERATOR START CONTROL MODULE MINI 2 Wire to 3 Wire GSCM MINI GSCM mini MOMENTARY STARTING SEQUENCE Relay Option 1 SECTION 1 The GSCM mini indicates that it is ready to receive a start signal by blinking the start LED once every 5 seconds The CONFIGURATION terminal 6 has NO connection configuring the GSCM mini for momentary start sequence 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 6 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 it will not execute a start sequence until the AC Hz signal has been rectified and will turn ON the Generator Hz LED The generat
12. ED lights SHUTDOWN la O t SCM MIN INL Contro Module O on the GSCM mini and lights sue yg YAN CONTINOUS the remote start switch light If FUSED B e aara A the generator fails to start or E did ry UH xd E d fails while commanded to run INGITIN TRE ONLY Ud B RNO FAULT Bo n M the fault LED on the GSCM Yt rt Li mini lights along with the LU ExT Fy B 14 d remote fault 12vdc light JF THE GENERATOR THREE 3 WIRE START STOP CONNECTION REQUIRES AN IGNITION MAINTAINED Turning off the power to the CONTACT CLOSER TO RUN AND A CRANK CONTACT TYPICAL 3 WIRE GENERATOR START STOP E TO START THE GENERATOR THE EMERGENCY START stop SEE APPLICATION 1 FOR ANY OTHER GSCM mini resets the fault SEG T il rev HIT FO HE TPE condition and it is ready to To E CMERGUE SHUTING DOWN TE GENERATOR receive another start command ATKINSON ELECTRONICS INC REV 905 Web Site www atkinsonelectronics com Distributed by GENERATOR START CONTROL MODULE MINI 2 Wire to 3 Wire GSCM MINI LIMITED WARRANTY Atkinson Electronics Inc gives this express warranty along with extended warranty endorsements where applicable in lieu of all other warranties express or implied including without limitation warranties of merchantability and fitness for a particular purpose This constitutes Atkinson Electronics Inc s sole warranty and obligation with regard to our products as well as the Customer s sole remedy Atkinson Electronics Inc expressly discla
13. GENERATOR START CONTROL MODULE MINI 2 Wire to 3 Wire FEATURES amp 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
14. INI A hi 14 Lam ot a LR star er TERMI 94 RELAY OPTIONS KI S MOMENTARY STRET Cem stor TRINTRIMED GSTRAT MINTRIM 5710P CONMECTED TU 12 KEY SHITOM JGN MAIMTRIM CRAS mini GSC GENERATOR START STOP MODULE ATKINSON CLECTRONICS I MCOmPORN TE PACON IMNUOS ud Torr Om ME gy OARIPCEOS INT UNCCEGPLED SL Du m eyr c ugs wd 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 detects the Battery voltage to determine the auto start and auto stop threshold values for 12V 24V
15. If the Gen Hz enable terminal 8 is grounded and the generator output frequency exceeds the 65 Hz fixed threshold for 10 seconds the generator shuts down and the Generator Hz shutdown LED blinks rapidly The Generator Hz LED blinks during this 10 second period 3 Low frequency under Hz condition If the Gen Hz enable terminal 8 is grounded and the generator output frequency remains below the 55 Hz fixed threshold for 10 seconds the generator shuts down and the Generator Hz shutdown fault LED blinks slowly The Generator Hz LED blinks during this 10 second period AUTOMATIC STARTING FOR BATTERY CHARGING SECTION 6 The GSCM mini can monitor either the generator battery voltage or a battery bank voltage and Automatically start stop the generator based on battery voltage This is accomplished by connecting the battery voltage to the battery sense input terminal 4 The GSCM mini monitors a battery voltage range of 0 to 60V DC and automatically determines the start and stop set point based on battery voltage 12 24 or 48VDC Below 16VDC 12V thresholds between 16 to 32V 24V thresholds above 32V 48V thresholds This mode is disabled if the voltage on terminal 4 is less than 6V no connection 1 The GSCM mini monitors the battery sense input and when the battery voltage drops below the start threshold the Start LED begins blinking three fast blinks with 2 second off time When the battery sense voltage has remained below the start
16. M mini wiring diagram It may also be generated by an Outback Inverter using the AUX connections on the remote terminal block The Outback provides a switched 12VDC signal for the GSCM mini s manual start input An optional Manual Off Auto switch can be installed to provide user flexibility for manual starts resets turning the unit off or Auto starting from Inverter see GSCM mini s wiring diagram lower right hand corner ATKINSON ELECTRONICS INC REV 9 05 Web Site www atkinsonelectronics com Distributed by GENERATOR START CONTROL MODULE MINI 2 Wire to 3 Wire GSCM MINI GSCM mini FAULT SHUTDOWN CONDITIONS SECTION 5 The GSCM mini detects three 3 fault shutdown conditions over under Hz detection not enabled until the generator has been running for 60 seconds and will shutdown the generator after 10 continuous seconds of Hz fault condition locking it out until a power down reset and power back up The Fault open collector transistor output terminal 12 will energize a user supplied remote lamp or DC relay not exceeding 300 milliamp coil current whenever a fault shutdown occurs and will de energize the relay when the fault is reset The shutdown conditions are as follows 1 Failure to start with 3 cranking attempts see Section 1 3 2 2 amp 3 3 The Gen Hz Shutdown LED does a double blink and Fault LED On continuously 2 High frequency over Hz condition The generator AC frequency is monitored on terminals 9 and 10
17. Ready mode looking for a start signal one blink every 2 5 seconds auto start mode operation one blink every other second auto start stop period continuous manual start signal received fast blink 60 second delay after start signal removed before generator started 2 Generator Hz fast blink over speed condition Shutdown slow blink under speed condition double blink Maximum Crank attempts reached Failed to Start continuous start function disabled AC Hz detected before starting 3 Run continuous GSCM has a valid run signal from generator 4 Fault continuous GSCM is in a fault condition and requires a reset 5 K1 amp K2 continuous Status of K1 and K2 Relays ON SPECIFICATIONS SECTION 9 SIZE amp WEIGHT 5 13 L x 2 853 W x 1 35 H 20 OZ RELAY CONFIG Open input Momentary Crank MOUNTING 2 screws through tabs TERMINAL 6 Grounded input Maintained Crank POWER 12VDC only B 12VDC input Ignition amp Crank Quiescent current lt 10mA FREQUENCY INPUT 120 240V AC 0 100 Hz Relay current lt 25mA ea OUTPUT RATINGS Qty 2 10 Amp 28V DC 240V AC MANUAL INPUT B 12VDC input on condition Relay contacts Open input off condition Qty 2 Open collector NPN BATTERY INPUT 0 6
18. 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 Ifthe 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 The generator continues running until one of the following occurs the manual start signal is no longer received the auto battery charge voltage has been reached while running in Auto Charge Mode an Over or Under Hz condition occurs If Gen Hz Shutdown is enabled or the generator runs out of gas No run time limit 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
19. ct to change as improvements are introduced Although we announce changes as they occur we cannot guarantee notification to every Customer Atkinson Electronics Inc warrants delivered products to conform to the most current specifications design and descriptive literature This warranty policy may be expanded or limited for particular categories of products or Customers by information sheets published as deemed appropriate by Atkinson Electronics Inc ATKINSON ELECTRONICS INC REV 9 05 Web Site www atkinsonelectronics com Distributed by
20. e at our option any defective products provided that our inspection discloses that such defects developed under normal and proper use This warranty does not extend to goods subjected to misuse neglect accident or improper installation or to maintenance or repair of products which have been altered or repaired by anyone except Atkinson Electronics Inc unless otherwise stated in writing Atkinson Electronics Inc will correct any defects in material or workmanship of OEM products designated as such in our catalog or web site which appear within two 2 years from the product date code or from the factory invoice date whichever is later 3 An appropriate charge 2596 of product list price may be made for testing repairs replacement and shipping for a returned product which is not defective or found to be defective as the result of improper use maintenance or neglect 4 Atkinson Electronics Inc will not accept responsibility for any invoiced goods or services that are not covered by an Atkinson Electronics Inc written purchase order Under no circumstances does Atkinson Electronics Inc agree to pay for labor or other related expenses associated with the troubleshooting and or repair of our product without prior specific written authorization 5 Information in our descriptive literature is based on product specifications that are current at the time of publication Product specifications design and descriptive literature are subje
21. g 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 f 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 Shutdown Routine 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 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 45Hz 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 10 minute delay period in auto start mode 6 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 begins monitoring the AC Hz signal for over under
22. ims all liability and responsibility for any special indirect or consequential damages or any further loss of any kind whatsoever resulting from the use of our product The Customer s sole and exclusive remedy and the limit of Atkinson Electronics Inc s liability for any loss whatsoever shall not exceed the purchase price paid by the Customer for the product to which a claim is made Countries or States that do not allow limitations of incidental or consequential damages or on how long an implied warranty lasts the above limitations may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from State to State or Country to Country All products manufactured by Atkinson Electronics Inc are warranted to be free from defects in material and workmanship in accordance with and subject to the following terms and conditions 1 This warranty is limited to the original customer only It cannot be transferred or assigned to third parties unless the intent to transfer to a third party is expressly indicated in a purchase order and or warranty processing arrangements have been agreed upon in writing by Atkinson Electronics Inc 2 Atkinson Electronics Inc will correct any defects in material or workmanship which appear within two 2 years from the date of shipment by Atkinson Electronics Inc or its authorized distributors to the original Customer Atkinson Electronics Inc will repair or replac
23. or 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 f 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 45Hz and is indicated with the Run LED turned On 5 If the generator starts but shuts down after a few seconds due to
24. rge voltage has been reached while running in Auto Charge Mode an Over or Under Hz condition occurs If Gen Hz Shutdown is enabled or the generator runs out of gas No run time limit 8 Shutdown Routine K1 de energizes then 72 second later K2 relay energizes remains closed until the AC Hz signal from the generator goes to zero for 5 seconds ensuring generator shutdown 9 The generator remains off until another start signal is received GSCM mini IGNITION CRANK STARTING SEQUENCE Relay Option 3 SECTION 3 The CONFIGURATION terminal 6 has been connected to B terminal 3 configuring the GSCM mini for ignition crank start sequence The GSCM mini is then powered by connecting B 12 VDC to terminal 2 After 5 seconds the GSCM mini indicates that it is ready to receive a start signal by blinking the start LED once every 5 seconds The 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 K2 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 2 f the generator fails to start after the 20 seconds cranking period K1 relay opens for a restin
25. signal for generators requiring a maintained start signal The K2 relay provides a momentary stop signal until the generator AC Hz has dropped to zero For GSCM mini operational sequence details see Page 4 Section 2 EMERGENCY SHUTDOWN KILL SWITCH WIRING MOM MAIN POWER K2 USER SUPPLIED EMERGENCY 1 2 15 16 KILL SWITCH Amp LA L B EUN A o GENERATOR FUSE SHUTDOWN WIRING A double pole kill switch wired and installed by the user stops the generator instantly in emergency situations such as a fuel spill One switch pole N C kills power to the GSCM mini opening all relays The other switch pole N O shorts out the magneto for an instant stop OPTION 3 IGNITION KEY SWITCH TYPE START CONTACT TYPICAL GENERATOR W STARTER CONTROL IGNITION SWITCH TYPE INPUT P K1 RELAY OPT TERMINAL 3 L CONNECT TO 5 13 14 16 STARTER IGNITION INPUT INPUT The K1 relay is used to switch the starter input which is looking for a momentary signal and opens when the generator has reached 50Hz or half speed The K2 relay provides a continuous run signal for generators requiring a maintained ignition signal When the GSCM mini no longer receives a run command signal terminal 5 or batteries fully charged K2 relay opens telling the generator to shutdown For GSCM mini operational sequence details see Page 5 Section 3 ATKINSON ELECTRONI
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