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GU641A Controller Operation Manual

 

1

 

The clarification of notation used within this manual:  

 

WARNING: 

A WARNING indicates a potentially hazardous situation which, if not avoided, 
could result in death, serious personal injury or property damage. 

 

CAUTION: 

A  CAUTION  indicates  a  potentially  hazardous  situation  which,  if  not  avoided, 
could result in damage to equipment or property. 

 

NOTE:  

A NOTE provides other helpful information that does not fall under the warning 
or caution categories. 

Summary of Contents for GU641A

Page 1: ...dous situation which if not avoided could result in death serious personal injury or property damage CAUTION A CAUTION indicates a potentially hazardous situation which if not avoided could result in...

Page 2: ...e personal injury loss of life or property damage The over speed shutdown device must be totally independent of the prime mover control system An over temperature or low pressure shutdown device may a...

Page 3: ...imension Drawings and Controller Wiring 5 3 Panel Operation 8 4 Control and Operation Instruction 10 5 Measure and Display Data 18 6 Pre alarm and Shutdown Alarm 19 7 Parameters Setting 23 8 Installat...

Page 4: ...uts of configurable auxiliary control relays l More configurable isolated digital inputs l Buttons on control panel are used for selecting control modes starting and stopping the operating procedure d...

Page 5: ...1A Controller Operation Manual 5 2 The Outline Dimension Drawings and Controller Wiring 2 1 Following Details Module Dimensions W192mm H144mm Panel Cutout W174mm H126mm Thickness D56mm without connect...

Page 6: ...3A 30Vdc configurable 1 1mm 21 Relay output 4 MCB close open N O contact 3A 30Vdc configurable 2 1mm 22 Relay output 5 N O contact 3A 30Vdc configurable 3 1mm 23 Relay output 6 N O contact 3A 30Vdc co...

Page 7: ...GU641A Controller Operation Manual 7 2 3 Typical Wiring Diagram A fuse with the rating of 1A shall be provided external to the equipment...

Page 8: ...alue Increase The push button is used for selecting auto mode When the controller is running in AUTO mode the LED above the button is illuminated The activation and deactivation of the remote start si...

Page 9: ...etting mode this button is used to move to next parameters C O Button There are 2 C O buttons respectively beside the Mains and Gen icons They are used to close open the switches of Mains and Gen when...

Page 10: ...al to a configurable input on our controller The MCB closed LED illuminates WARNING l The Mains Normal LED illuminated means that both voltage and frequency of Mains are within the range of preset val...

Page 11: ...n Gen The Gen Aux Switch s contact feeds back a signal to a configurable input on the controller GCB closed LED illuminates NOTE l If Mains fails to load the start sequence is initiated without the st...

Page 12: ...dure will be repeated until engine successfully ignites or reaches the preset number of crank attempt If any shutdown alarm occurs during crank controller will stop cranking immediately and the Genset...

Page 13: ...ate start sequence but the Mains close open relay will open If Genset has started since Mains fail to load when failure is removed and controller unlocked by pressing reset button GCB close open relay...

Page 14: ...will be disabled l GCB and MCB close open relays are electrically interlocked they can t be closed at the same time Generator stopping sequence Press STOP button GCB close open relay opens the genera...

Page 15: ...function configure one of the configurable outputs as Preheat The controller has 4 selectable preheat control modes as below Mode 1 during preheat time preheat relay output energises Mode 2 during pre...

Page 16: ...n the button Safety on timer begins after it has successfully started The other processes and protections are the same as for a normal start Second method when controller is running in MANUAL mode con...

Page 17: ...rt and stop T1 start delay T2 crank time T3 pre heat time T4 safety on delay T5 idle time T6 Stop delay NOTE If T4 is longer than T5 oil pressure protection is ignored during T5 If T4 is shorter than...

Page 18: ...3 N Gen 3 phases VPh Ph L1 L2 L2 L3 L3 L1 Gen frequency Hz L1 Gen 3 phases current I1 I2 I3 Gen total apparent power A Gen total active power P Gen power factor PF AV Engine speed RPM signal derived f...

Page 19: ...28 2V when battery voltage exceeds this value LCD flashing high value icon LOW OIL PRESS If controller detects that the engine oil pressure has fallen below the Oil P low preALM after the safety on ti...

Page 20: ...PUT If one of Configurable D inputs has been configured as pre alarm when D input is active the pre alarm LED illuminates and the buzzer sounds LCD flashing D Input icon GCB FAILURE If GCB close open...

Page 21: ...lant Alarm or HET switch closes engine stops immediately the Shutdown alarm LED illuminates and buzzer sounds LCD displays engine high temp icon OVER SPEED if controller detects that engine speed exce...

Page 22: ...meters for convenience of user some data is expressed by RPM RPM Hz 60 pair of poles NOTE While the Genset is running if there is high coolant temperature low oil pressure or over speed failure the co...

Page 23: ...ate Menu descriptions CT Ratio l The current is derived from CT on generator l Secondary current on CT is fixed at 5A l Used to calculate for GEN KVA KW and PF l Used for shutdown alarm over current o...

Page 24: ...GU641A Controller Operation Manual 24 Voltage type l There are 5 kinds of voltage input type Y 3P4W 3P4W 3P3W 1P3W 1P2W l 1 Y 3P4W 3 phases 4 wires star l 2 3P4W 3 phases 4 wires angle...

Page 25: ...GU641A Controller Operation Manual 25 l 3 3P3W 3 phases 3 wires l 4 1P3W single phase 3 wires l 5 1P2W single phase 2 wires...

Page 26: ...gure the cycle of page scroll l When parameter is configured as 0 manually scroll page via button l Start to scroll automatically 30 seconds after not pressing any button Default settings l Some param...

Page 27: ...riptions GEN V under preALM l Used to configure Gen under voltage pre alarm value the GEN V under preALM is inactive when parameter is configured as 0 l Expressed by percentage Rated Ph N voltage x GE...

Page 28: ...inates and buzzer sounds if over current happens Genset will not shutdown LCD displays over current icon l When parameter is configured as 2 the Shutdown alarm LED illuminates and buzzer sounds if ove...

Page 29: ...le time 0 1 to 9999s 0 not used 3 20 Pre heat mode 1 1 to 4 3 21 Pre heat time 3s 1 to 9999s 0 not used 3 22 Safety on delay 10s 0 to 600s 3 23 Cool down mode 0 0 full speed 1 idle 3 24 Cool down time...

Page 30: ...set choose Set pickup now from the menu after the Genset running normally the parameter of fly wheel teeth will be automatically calculated at that time Configure the parameter of MPU input as 1 to fi...

Page 31: ...00 400 278 200 141 104 74 50 27 4 Murphy T 40 50 60 70 80 90 100 110 120 130 140 R 1029 680 460 321 227 164 120 89 74 52 40 PT100 T 100 50 0 20 40 60 80 100 150 200 300 R 60 81 100 108 116 123 131 139...

Page 32: ...e the right curve of the senor Otherwise it may cause engine damage l The parameters appendix of LOP sensor VDO 5 bar P Bar 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 R 11 29 47 65 82 100 117 134 151 167...

Page 33: ...permit of engine cranking Crank time add l Used to adjust the maximum time permit of the repeat cranking l The second time of crank time is equal to the first crank time plus the extra time For exampl...

Page 34: ...t stable running l The protected functions of under speed under voltage under frequency low oil pressure are shielded by controller during safety on delay CAUTION As some of the protection are disable...

Page 35: ...he engine l The signal is derived form LOP sensor this function would be inactive if do not use LOP sensor l This function is active after safety on delay l When parameter is set as 0 0 this function...

Page 36: ...l items as following Code Optional Functions Note 0 not used 1 Pre alarm warning Low level is active When it is active pre alarm LED illuminates and buzzer sounds 2 Alarm Low level is active When it i...

Page 37: ...nal functions as following Code Alarm mode defined 0 not used 1 Over current trip 2 Common alarm 3 Common pre alarm warning 4 Idle relay N C 5 Preheat relay 6 Reserved 7 Reserved 8 Reserved 9 GEN runn...

Page 38: ...ved 48 GEN under voltage alarm 49 GEN over voltage alarm 50 KW overload alarm 51 P Sensor open alarm 52 Configurable D input1 active 53 Configurable D input2 active 54 Configurable D input3 active 55...

Page 39: ...Mains V high Alarm is inactive when parameter configured as 999 l Expressed by percentage use Rated ph voltage as factor Mains Hz low Alarm l Used to configure low Mains frequency alarm value the Mai...

Page 40: ...Phase 1 voltage l Reference to the Rated ph voltage GEN V2 offset l Used to modify the measured value display of GEN Phase 2 voltage l Reference to the Rated ph voltage GEN V3 offset l Used to modify...

Page 41: ...tage Mains V3 offset l Used to modify the measured value display of Mains Phase 3 Voltage l Reference to the Rated voltage Pressure offset l Used to modify the measured value display of LOP sensor Tem...

Page 42: ...the mounted controller meet IP65 the cutout dimension on the panel must be correct A readily accessible disconnect device shall be incorporated external to the equipment 8 2 Wiring Please refer to the...

Page 43: ...for over current protection between power supply and controller must be mounted the recommended capacity is 1A l When powering the controller will generate significant instantaneous peak current the m...

Page 44: ...n port is connected to the power supply negative l The sensor shell and engine must be well connected and do not use insulated material on sensor screw thread when installing single pole sensor 8 2 4...

Page 45: ...winding 3P4W 3 phases 4 wires Measure and Display Data Mains 3 phases VPh N L1 N L2 N L3 N Mains 3 phases VPh Ph L1 L2 L2 L3 L3 L1 Mains frequency Hz L1 Gen 3 phases VPh N L1 N L2 N L3 N Gen 3 phases...

Page 46: ...asure at Gen side Measure and Display Data Mains 3 phases VPh Ph L1 L2 L2 L3 L3 L1 Mains frequency Hz L1 Gen 3 phases VPh Ph L1 L2 L2 L3 L3 L1 Gen frequency Hz L1 Gen 3 phases current I1 I2 I3 Gen tot...

Page 47: ...wires CT measure at Gen side Measure and Display Data Mains VPh N L1 N L2 N Mains VPh Ph L1 L2 Mains frequency Hz L1 Gen VPh N L1 N L2 N Gen VPh Ph L1 L2 Gen frequency Hz L1 Gen phase current I1 I2 Ge...

Page 48: ...8 1P2W single phase 2 wires CT measure at Gen side Measure and Display Data Mains VPh N L1 N Mains frequency Hz L1 Gen VPh N L1 N Gen frequency Hz L1 Gen current I1 Gen phase apparent power A Gen phas...

Page 49: ...ve terminal 33 inside the controller l The maximum acceptable resistance for each input is 10K it means whether the switch of loop circuit is closed or not the status monitored by controller are all o...

Page 50: ...ected to power positive l The output current for each relay can not exceed the rated current of respective relay the total output current for 6 relays from RL1 to RL6 can not exceed 16A l A switch or...

Page 51: ...LOP sensor is set as not used LCD will not display the related data 9 2 Setting running parameters Press and hold button 2sec to enter into parameter settings menu then use or to scroll page in the s...

Page 52: ...correct change at 100 then LCD displays Press to confirm then press then LCD displays Press or press and hold 2sec will quit parameter settings menu then LCD displays For example setting controller c...

Page 53: ...iting parameters setting For example configure controller at online program mode Operation Description Press and hold 2sec enter into parameters setting menu then LCD displays Press 11 times then LCD...

Page 54: ...e RMS Measuring current 5A Accuracy 1 Display 0 to 9999A Max power wastage per line 0 01W 10 4 Power supply Range 12V 24V 8 35V continuous Max operating current 12V 300mA 24V 150mA Max standby current...

Page 55: ...0000Hz Fly wheel teeth 5 to 300 10 10 Ambient parameters Operating ambient temperature Standards 20 to 70 IEC60068 2 1 and IEC60068 2 2 Storage ambient temperature Standards 30 to 80 IEC60068 2 1 and...

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