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GU320a Controller Manual

 

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CONTENT

 

 

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Introduction

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Shape and connection 

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Operation panel

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Installation 

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Control and operation

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Measuring 

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Fault signal

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Parameters configuration

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LCD and menu system

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Communication 

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Preparations 

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Troubleshooting

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Summary of Contents for GU320a

Page 1: ...uction 2 2 Shape and connection 2 3 Operation panel 5 4 Installation 6 5 Control and operation 7 6 Measuring 9 7 Fault signal 10 8 Parameters configuration 11 9 LCD and menu system 13 10 Communication 15 11 Preparations 20 12 Troubleshooting 21 ...

Page 2: ...d modify the running protection parameters The LED indicates the operating mode of the controller and the running state of the generator sets LCD display each measured parameter and state The controller is integrated closely by aluminum alloy panel and steel shell which has been spurt powder All connection of the controller are connected by pin like terminal with lock such device can be connected ...

Page 3: ...no use 1mm line C13 Gen Set running output N O dry contact 3A 30VDC 1mm line C14 Fault alarm output N O dry contact 3A 30VDC 1mm line C15 Pre alarm output N O dry contact 3A 30VDC 1mm line C16 Idle output N O dry contact 3A 30VDC 1mm line D17 Pressure detection P sensor 1mm line D18 Temperature detection T sensor 1mm line D19 standby Measure 0 5Vdc 1mm line D20 Pressure signal Low potential valid ...

Page 4: ...uel 起动 10 充电机 12 14 13 11 T sensor Pressure Temperature E stop Remote start P sensor 16 15 20 17 23 21 22 Speed sensor PICK UP 26 25 19 18 8 6 7 3 2 5 4 F2 F3 IDLE RUNNING 1 Generator F1 FAULT PRE ALARM RS CONNECTOR Standby 0 5Vdc 24 standby Note cathode of the battery and shell of the contoller must be grounded to earth properly ...

Page 5: ...O key LED The key is used for auto operate mode Running in this mode the LED above the button will illuminate According to the remote control startup input signal the controller determines whether the generator startup or not MAN Key Indicator Light The key is used for manual operation mode Running in this mode the LED above the button will illuminate By pressing START and STOP key the controller ...

Page 6: ...ault alarm occur press this key can mute the buzzer At the same time the light above the key illuminate Press it again will cancel mute If the controller still in fault the buzzer will keep alarm 4 Installation 4 1 Hatch size for panel installation as the figure attached Four special screws fix the controller If the shell of the controller is installed on the body of a generator directly or other ...

Page 7: ...d control process Operation Description When the controller run in TEST or the remote control start signal able in Auto or press START in MAN the controller begin to delay the start procedure the light above the key will bicker The LCD display the count for start delay not in MAN START 00 09 Fuel relay action the fuel electromagnetic valve of the engine open After delay for 200 milliseconds the st...

Page 8: ...NK 2 The phenomena above repeat again and again until the engine reach the normal running parameters While starting if any stop fault occurs the controller will stop controlling output instantly until the fault eliminated and reset then it can be operated again 5 4 Fail to start condition Operation Description When the phenomena above repeat again and again the starting attempts exceed preset the ...

Page 9: ...s the same to the engine of normal closed oil electromagnetic valve 5 8 Idle and Hotstart function Select Idle or Hotstart according to the IDLE DELAY setting While set to above 0 the Idle delay is selected and set to 0 to release Idle delay and to select Hotstart function The operating principle is when Ready for Idle READY status the Idle relay open The controller runs the start procedure The st...

Page 10: ... the buzzer warn Overspeed If the running speed of the engine over the preset alarm value the LCD will display WARNING OVER SPEED and the buzzer warn Underspeed If the running speed of the engine descend to alarm level preset then the state LCD display WARNING UNDER SPEED and the buzzer warn High voltage If the controller detects the output voltage of the generator over the alarm value preset the ...

Page 11: ...after confirming the delay and the LCD display ALARM I HIGH the buzzer warn Standby Output If set the aux input to fault stop then when the signal at the input is valid the engine will stop instantaneously and the LCD display ALARM EXT ALARM the buzzer warn NOTE The data of low oil pressure pre alarm is from the measuring of the oil pressure sensor and the data of low pressure stop fault is from t...

Page 12: ... 3 16 Stop delay 20s 0 60s 3 17 Under SP Alarm 0 RPM 0 9999 RPM 0 no setting 3 18 Under SP preALM 1440 RPM 0 9999 RPM 0 no setting 3 19 Over SP preALM 1600 RPM 0 9999 RPM 9999 no setting 3 20 Over SP Alarm 1710 RPM 0 9999 RPM 9999 no setting 3 21 Oil P low Alarm 140KPa 50 300Kpa 0 no setting 3 22 Oil P low preALM 220KPa 50 300Kpa 0 no setting 3 23 Coolant preALM 95 70 160 9999 no setting 3 24 Cool...

Page 13: ...et and adjust the parameter When press the increase or decrease key for a while the ones digit changes one by one and then the tens digit change after ten changes the rest may be deduced by analogy Press in the main page two seconds to enter setting state then press and to look over in the menu of the same level and press to enter next submenu to select and adjust the item press to adjust When ind...

Page 14: ...transformer the CT should be 200 Operation Description Press for two seconds to enter the configure menu and then the LCD display SETTING 参数设定 0 QUIT Press and key then press the LCD will display 1 CT 1000 Press and then press will indicate to enter the password 1 CT Password Press or to vary the parameters set to 200 at this time and the LCD then Indicate 1 CT 200 After the configuration press to...

Page 15: ...e LCD display ６ Firmware update Press key will indicate you to enter password 3132 enter the password ６ Firmware update Password Then press to enter program mode You should make sure the power supply is normal in this mode The program will reset for use after correctly burn to record according to the program software or it won t exit and you should remove the working source Then the LCD display Fi...

Page 16: ...ry more details please refer to the following wiring diagram The communication interface provides users a method to make the users fetch more information that cannot obtain from the panel The relative software can display the whole parameters measured and state information it also can set various parameters RS CONNECTOR G U320a C ontroller C I485A DB9 A S B RS485 Transform term inal RS CONNECTOR G...

Page 17: ...m as below Note Communication cable use high quality twisted pair cable with shielded and its total length of cable less than 1000m Each anode and cathode of RS485 interface must be connected properly and the cable shield only can be connected to the earth at one side GU320a Controller DB9 RS CONNECTOR CI485A A B S Computer GU320a Controller RS CONNECTOR DB9 CI485A GU320a Controller RS CONNECTOR D...

Page 18: ...7 1 L2 Current ph B phase current unit A 1008 1 L1 Current ph A phase current unit A 1009 1 L3 PF ph c PF 100A 1 L2 PF ph B PF 100B 1 L1 PF ph C PF 100C 1 Frequency Generator frequency unit 0 1HZ 100D 1 L3 VA Ph C real power unit KVA 100E 1 L2 VA Ph B real power unit KVA 100F 1 L1 VA Ph A real power unit KVA 1010 1 L3 W Ph C active power unit KW 1011 1 L2 W Ph B active power unit KW 1012 1 L1 W Ph...

Page 19: ... Kwh 2014 2 KVArH unit KVArh 2016 1 VT 2018 1 Nominal speed unit RPM 2019 1 Pickup frequency unit RPM 201A 1 Fuel mode 201B 1 T sensor mode 201C 1 P sensor mode 201D 1 H sensor mode 201E 1 Start delay unit S 201F 1 Crank attempt 2020 1 Crank time unit S 2021 1 Crank reset unit S 2022 1 Crank disconnect unit RPM 2023 1 Idle delay unit S 2024 1 Safety on delay unit S 2025 1 Cooling delay unit S 2026...

Page 20: ... OPEN 14 5 LOW OILPRESS 15 6 T SENSOR OPEN 16 I HIGH 7 COOLANT TEMP 17 8 START FAIL 18 9 STOP FAIL 19 11 Preparations 11 1 To confirm that the controller has installed and fixed properly and the installation ambient must accord with installation demand 11 2 To confirm the whole connecting of control lines accord to the electric norm and confirm to the typical connecting diagram of 1 3 Especially t...

Page 21: ...ler is in ready state READY Press for two seconds to enter the configure menu then the LCD display SETTING 参数设定 0 QUIT Press three times and then press the LCD will display 3 ENGINE 0 QUIT Press three times again then the LCD display 3 ENGINE 3 Set pickup now With the engine running press after it is steady then the controller compared the rotating speed of the speed sensor with the voltage freque...

Page 22: ...up the belt of fan to know about whether it is loosen 5 Checking up the outside temperature to confirm that it is in accord with the designing range of generator 6 Once the diesel cooling down you need to check up the cooling water level Remember that do not add a great deal of water into the cooling diesel If you do the diesel will suffer from serious destruction 7 Please refer to the Diesel Manu...

Page 23: ...he load adding to the AC generator After the generator stop you need to eliminate the fault and reset the Genset again 2 Checking up the high voltage fault setting value of Main confirming that the data is right 3 Checking up the measuring voltage of controller if it is in normal mode please check up the load so as to confirm that whether it is non capacitive 4 If the voltage high you need to set ...

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