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IN-SYNC NT IN-SYNC NT USER MANUAL

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1. 30 20 G E LOAD Pi SER See On ie Bee Sie a E A hy ae ee Ea PRT Bel or at ae Bee koa Where LOAD Load performance MAINS LOAD Performance of the load absorbed from the mains GENSET LOAD Performance of the load supplied by the unit MCB Status open closed of the mains circuit breaker GCB Status open closed of the unit circuit breaker Since the genset reacts slowly to the load variations with respect to the mains the load fluctuations are always met by the mains The genset reacts to a variation in load with a delay of a few seconds thereby bringing the absorbed power back to the set value The load can also be controlled with the genset switched off SysStart Stop contact open and the peak autostart option activated In this case hysteresis thresholds must be set for the start and stop functions of the generator so as to prevent frequent start ups due to load fluctuations This application must be designed and approved by a Visa spa technician and is provided in this manual for the information to be complete In this case the In Sync NT device must only be programmed by Visa technicians Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 18 Printed in Italy All rights reserved IN SYNC NT 4 4 PRE920S export parallel with the mains configuration This option allows the genset to run supplying the mains with constant power
2. IN SYNC NT IN SYNC pa ae START er boa Di RESET RESET Val er boa j MU a eee KMS IN SYNC NT USER MANUAL Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 1 Printed in Italy All rights reserved IN SYNC NT Contents e RR AA 3 2 General description and key functions 111 rire 4 2 1 MODE Selecting the mode iii 4 BTM Cln 4 Ze MA lr ta 4 Zi AVO lari 4 zii Shui E E E iaia iaia 5 22 START STOP Mantal die Paola 6 2 3 Closing opening the unit circuit breaker manually 6 2 4 Closing opening the mains circuit breaker manually 6 2 5 Display and programming KEeYyS ee 6 3 Display data and communications ia 7 3 1 Information regarding the genset Start up page i 7 3 2 Details of additional info displayed on Page 1 8 Ja Alarm OS eects ne stn ce cerns rana 10 Aa Measurement ariani 10 35 Measurementi O naar 11 o Soliera 11 0 90 sita 12 2360 Users FP ASSWOMG eissii E AE anali 12 3 9 Example of how to modify parameters using the password 13 4 OberatingGOnfiguratioNiS rile 15 4 1 PGE910 load sharing configuration reenn 15 4 2 PGE920 load management configuration 17 4 3 PRE910S import parallel with the mains configu
3. Load int RampStartLevel setpoints setting Loaded genset The genset load is decreased according to parameters Sync Load ctrl Load ramp Load gain Load int also consider parameters Sync Load ctrl GCB open level and GCB open del Cooling cycle Binary input for manual emergency operation activated The genset is not ready to start up Either the board is in OFF mode or a second level alarm is active 112000000014 001 00 12 10 2011 Page 42 Printed in Italy All rights reserved
4. One of the generator phases is not connected correctly The mains phases are inverted Check the connection of the mains phases The mains phases are inverted Check the connection of the mains phases in the transformer The bus phase sequence is incorrect Check the connection of the mains phases The bus phases are inverted Incorrect bus phase sequence and one of the phases is inverted The bus phase sequence is incorrect Incorrect left bus phase sequence and one of the phases is inverted The left bus phases are inverted The left bus phase sequence is incorrect Incorrect right bus phase sequence and one of the phases is inverted The right bus phases are inverted The bus phase sequence is incorrect Default message indicates forced activity from PLC functions 112000000014 001 00 12 10 2011 Page 39 Printed in Italy All rights reserved Message Fault reset ActCallCH1 OK CH2 OK CH3 OK H ActCallCH1 Fail CH2Fail CH3Fail A H Switched On H Watchdog H System Error H System Log H SetpointChange H Password set H Password chng H AccessCodeSet H AccessCodeChng H Admin action H Terminal H BinaryUnstable H ForceValue H TimeModeChange H Visa S p A Via I Maggio 55 31043 Fontanelle TV IN SYNC NT Description Alarms reset command signal This can be activated from the fault reset key binary input set as FaultResButton function modbus or a remote
5. it automatically displays PAGE 1 Figure 2 and automatically returns when the keys are not used for 4 minutes Figure 2 PAGE 1 Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 7 Printed in Italy All rights reserved IN SYNC NT Figure 2 Key Cursor positioned on OFF MAN AUTO or TEST for the SPtM application The exclamation mark indicates a pre alarm which is currently not dangerous but must be checked Genset status Ready Loaded Cranking etc Mains circuit breaker status Open operates with the mains or BRKs off open circuit breaker Engine revs per minute Applied load Power factor Countdown in progress e g cooling time is 120 s the countdown to zero is displayed D O Any active alarms are displayed in a list format Alarm list 2 Fls Oil press Fls Water Temp Service time The example above indicates 3 active alarms the alarm signal given by the oil pressure sensor the alarm signal given by the coolant temperature sensor the warning signal given by the timer indicating the next scheduled maintenance is due NOTE the device will permanently display the alarm messages faults together with the PAGE 1 parameters until an operator performs a manual reset The alarm messages remain saved in the device memory whereas the warning messages are only displayed when they occur 3 2 Details of additional info displayed on
6. 50 operating hours The subsequent Next service time intervals depend on the requirements provided by the manufacturer of the engine and the operating conditions Consult the User Manual of the engine delivered together with the genset l The internal clock is used for the alarms log the occurrence date and time Date Time is logged for each event First level password protected parameters These are parameters that allow a customised installation and are to be modified by trained personnel Parameter Description Modifies the nominal voltage of the genset the output voltage in units Nominal Voltage operating in parallel must be the same on all the gensets The maximum adjustment range is 5V Maximum starter motor connection it may need to be extended by a few Max Crank Time seconds in cold countries Cooling Time Cooling time before shutting down the default value is 120 s the terminals of the alternator exceeds this value the unit is stopped the terminals of the alternator drops below this value the unit is stopped Priority of use of the genset The units with less priority a higher number in Priority a PGE920 with load management configuration will be the first to stop to decrease the load Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 24 Printed in Italy All rights reserved IN SYNC NT Example of editing the parameters All the parameters of the In
7. MAINS POWER Power absorbed from the mains GENSET POWER Power supplied by the unit LOAD POWER Load consumption Power failure the mains circuit breaker opens The genset starts up after a pre set delay not to have untimely start ups The unit circuit breaker is closed and the genset powers the load Power supply is restored The genset synchronises with the mains and closes the MCB after a programmable delay to verify mains stability 6 The load is gradually transferred from the unit to the mains When the genset is unloaded its circuit breaker opens the entire load is powered by the mains 7 The genset stops once the set cooling time elapses VCDIWNA O I Notes a A power failure occurs when the supply voltage exceeds the set minimum maximum threshold or an asymmetry is detected for a period of time set in the mains out of range delay parameter b The engine start up cycle is automatically repeated 5 times can be set up to a maximum of 10 A pause takes place between one attempt and another in order to prevent the starter motor from Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 22 Printed in Italy All rights reserved f g IN SYNC NT overheating The start up cycle in gensets equipped with pre chamber engines low power is preceded by a start up time of the spark plugs that lasts 11 s The time that the engine takes to reach the nominal rotation speed depends on its s
8. Sync NT device are at different protected levels of the software menu on page 2 access to which is protected by 3 passwords Some of these parameters can be password free and the first protection level is free for the customer by entering the password 301 Follow the steps below to access the user menu press k3 for the screen below to appear move the cursor to the users password row by pressing the hi key press Fl for the three options VISA OPERATOR DEALER OPERATOR and OPERATOR to be displayed position the cursor on OPERATOR press 7 a number zero will appear on the right press the key until number 301 is reached keep the key pressed for the number to advance quickly press to confirm and then k3 to return to the menu position the cursor on the desired submenu e g on setpoints to edit the nominal voltage press position the cursor on basic settings and then press T to confirm position the cursor on nominal voltage and press set the desired value using EJ and and confirm by pressing press led to return to the menu select Measurement to return to the standard page or wait for the automatic exit Note the In Sync NT device always returns to page 1 once 3 minutes elapse after the last key is pressed Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 25 Printed in Italy All rights reserved IN SYNC NT 6 Connecting to a pe
9. are possible with a maximum of 32 units in parallel A current transformer CT must be installed for applications in parallel with the mains which detects the current to and from the mains This must be placed on phase n 3 placing the CT on a different phase causes a reading error of the cos and therefore the power also Specific regulations govern PRE system configurations consisting of the genset in parallel with the mains which regulate this possibility and depend on the local electric utility provider The local regulations may impose the installation of appropriate devices that interface with the mains the customer is obliged to verify that such requirements are met 4 1 PGE910 load sharing configuration This allows the load to be powered simultaneously by two or more units connected in parallel with no synchronisation with the mains The absorbed load is divided equally between them 50 in the case of 2 units Example a customer with a load of 100 kW that can never have power interruptions A solution could be 2 x 100 kW units or higher depending on the type of load connected in parallel and always on The failure of one does not suspend the supply since the second unit supplies all the energy required This solution also allows routine maintenance to be performed on one generating set at a time without interrupting the power supply The fuel consumption increases but the risk of voltage dips decreases significantly Ex
10. del This alarm is displayed if the protection is based on the phase phase voltage Therefore only if the parameter FixVoltProtSel is set as PHASE PHASE The frequency of the generator is less than the Gen lt f limit parameter for a time equal to Gen f del The under frequency protection is adjusted via parameters Gener protect Gen lt f and Gen f del The frequency of the generator is more than the Gen gt f limit parameter for a time equal to Gen f del The over frequency protection is adjusted via parameters Gener protect Gen gt f and Gen f del 112000000014 001 00 12 10 2011 Page 34 Printed in Italy All rights reserved Message BOC ReversePwr A H MP L1 L2 or L3 under A H MP L1 L2 or L3 over A H MP L12 L23 or L31 under A H MP L12 L23 or L31 over A H MP fmns under A H MP fmns over A H BusL L1 L2 or L3 under H Visa S p A IN SYNC NT Description This alarm is triggered by the inverse power protection This protection is adjusted via parameters Gener protect Reverse power and ReversePwr del This means that one of the engine speed regulators is not working properly or a current transformer is connected wrongly The supply voltage L1 L2 or L3 is less than Mains lt V MP for a time equal to Mains V del The undervoltage protection is adjusted via parameters Mains protect Mains protect Mains lt V MP and Mains V del These alarms are displayed if the protection
11. emergency button appears if the emergency button is pressed This is due to a potentially hazardous situation for the unit and people BOC Breaker open this is an open circuit breaker alarm which is valid for all the electrically related alarms with a precautionary solution to open the circuit breaker The engine stops after the cooling cycle Messages may not appear in the list due to customisations and certain events that normally generate a warning can be configured to generate a Shutdown and vice versa The most common pre alarm messages Wrn Fuel Min Level Po Ngee ea Senseris Top up the fuel up the Top up the fuel connected Perform maintenance on the l The engine mechanical i Wrn Service Time engine and set the new interval maintenance interval has elapsed about 250 hours Verify that the engine and static The battery ies are flat or in any if installed battery charger Wrn Battery Flat serbi ge set minimum works Check the battery fluid level A fault in the engine stop the engine Check the electrical Stp Stop Engine Fail stop device solenoid valve connections electromagnet does not work Request technical assistance Use a tool to measure whether the alternator generates voltage or whether the In Sync NT does not read well Check the fuses generator AVR and connections Request assistance Emergency stop due to high voltage OPCE E Dene Tani AAM aie Sd High Gen Volt connections
12. genset circuit breakers Note a password can be enabled to authorise the Before performing any operation The relative procedure is provided below Operation make sure no hazardous situation can occur Description of the operating modes 2 1 1 OFF When the In Sync NT device is OFF the Start and Stop commands on the panel and any external commands such as remote contacts special functions and software commands are disabled The lt lt gt gt 2 Ra 7 gt gt commands remain enabled to select other modes or view the information pages The battery charger and pre heater if supplied work normally The relay contact in versions equipped with MCB control remains closed when supply voltage is present If a power failure occurs in such an instance the genset is not started the power of the user s system will be disconnected and reconnected as though the genset were not present IMPORTANT If the device is disconnected via the key or the battery batteries being disconnected it starts up in the same mode as when it was switched off Therefore the operator must pay particular attention when the machine is restarted so as to prevent unexpected start ups 2 1 2 MAN When the In Sync NT device is in MANUAL mode the genset can be started and stopped via the amp keys see paragraph 2 2 The circuit breaker can also be operated manually via the keys 2 1 3 AUTO When this function is enabled it allows the unit to
13. in the generator Request assistance Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 28 Printed in Italy All rights reserved Emergency stop due to low voltage Sd Low Gen Volt in the generator IN SYNC NT BOC Gen Unbalance ph 1 2 3 Circuit breaker is opened due to unit Check the load and divide it voltage asymmetry equally on the three phases Check the belt Stp Cb Fail Engine slow stop due to a fault in Check the alternator battery the alternator battery charger charger Check the wiring Watch out for a fault in the analogue ee eerie Fls Oil Press visse enti 9 Check the electrical connection p Replace the sensor Check the coolant FIs Water Temp I Mineanaogug Check the electrical connection p Replace the sensor The most common alarm messages Alarm fault messages How to intervene insufficient radiator liquid Replace the sensor Overheated engine Check the liquid level Check the belts Check the cleanliness of the radiator Check the environmental Top up Replace and tighten the belts Clean and perform maintenance Check the air inlets Check the coolant temperature on the relative instrument Check the electrical load and decrease it Replace the sensor STP High Temp temperature Check the engine temperature Check the electrical load Check the sensor De ecive stai un svetem Check the starter motor Failed Start up Defective fuel s
14. information is to Silence the buzzer by pressing the ie key Pause If the alarm is still active it is immediately displayed as a description with no operation being required Take note of the alarm even if it seems easy to understand a photo with a mobile phone paper and pen If it is easily understood e g Stp min coolant level resolve the problem by adding antifreeze to the radiator in this case and then press ka to clear the alarm Ifthe message is difficult to understand contact the nearest service centre clearly reporting the type of alarm displayed The types of alarm are Wrn warning pre alarm this does not stop the machine but only signals the alarm The In Sync NT is indicating a fault that is not hazardous to the unit or people The unit can operate normally but must be checked Fls Fail sensor this does not trigger actions The In Sync NT is indicating a sensor malfunction that is not hazardous to the unit or people The unit can operate normally but it is best to check the sensor usually pressure or temperature related Stp engine slow stop this causes the engine to stop after cooling and the machine circuit breaker to open This is a relatively important type of alarm but not enough to immediately stop the unit In fact the engine cooling cycle is performed Sd Shut down immediate stop alarm causes the circuit breaker to open and the engine to stop IMMEDIATELY e g Sd
15. is recommended to always contact the VISA Technical Department for such operations The main operating modes are listed below PGE900 individual manual mode PGE900 automatic remote control PGE910 parallel load sharing manual mode PGE920 parallel automatic load management PRE910S import parallel with the mains PRE920S export parallel with the mains PRE930S base load parallel with the mains PRE940S Automatic for power failure and short parallel with the mains when the power is restored SPtM hardware and software basic version to be agreed upon with the Technical Department Special modes to be added to the standard modes upon request The first part of the manual describes the equipment and its main functions common to all operating modes The various applications are then dealt with further on Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 3 Printed in Italy All rights reserved IN SYNC NT 2 General description and key functions The In Sync NT device has 14 keys dedicated to programming and general functions The various functions are described in detail in the paragraphs further on 2 1 MODE selecting the mode FUNCTION NOTES DANGER These keys are used to toggle between OFF MAN Switching from one mode to AUTO and TEST another can start up the engine Press ERI or ESS to move the cursor to the desired or de activate the mains or mode
16. is set as phase neutral voltage In practice Basic setting FixVoltProtSel is set as PHASE NEUTRAL The supply voltage L1 L2 or L3 is more than Mains gt V MP for a time equal to Mains V del The over frequency protection is adjusted via parameters Mains protect Mains gt V MP and Mains V del This alarm is displayed if the voltage protection is based on the phase neutral voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE NEUTRAL The supply voltage L12 L23 or L31 is less than Mains lt V MP for a time equal to Mains V del The undervoltage protection is adjusted via parameters Mains protect Mains protect Mains lt V MP and Mains V del These alarms are displayed if the protection is set as phase neutral voltage This means that Basic setting FixVoltProtSel is set as PHASE PHASE The supply voltage L12 L23 or L31 is more than Mains gt V MP for a time equal to Mains V del The over frequency protection is adjusted via parameters Mains protect Mains gt V MP and Mains V del This alarm is displayed if the voltage protection is based on the phase neutral voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE PHASE The mains frequency is less than Mains lt ffor a time equal to Mains f del The under frequency protection is adjusted via parameters Mains protect Mains lt f and Mains f del The mains frequency is more than Mains gt f for a time equal
17. it Check the fuel fuel filters electrical y connection and shutdown device Check the thermal protection of Blocked electric fan the electric fan Ma triggered the thermal Check the electrical connection p Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 29 Printed in Italy All rights reserved IN SYNC NT Error messages This table describes the error messages that can be signalled by the In sync NT board A displayed as an alarm H saved in the log Message BIN 1 12 ANA 1 10 BOUT 1 12 AOUT 1 4 A H Description Indication of a communication error in the additional inputs expansion module Check that the expansion with the corresponding address is powered correctly that the connections are correct and the terminating resistors are installed correctly that the can bus connection wires are not inverted Check the Tx and Rx LEDs of the can bus port to verify that the module communicates correctly If they flash rapidly communication is correct ECU Communication error with the ECU of the engine A H Check the connections of the CANTI port to the engine control unit verify the terminating resistors and the power supply thatthe can bus connection wires are not inverted SHBIN 1 4 Communication error with the SHBOUT modules 1 4 A H Check that one of the internal controllers is configured as SOURCE its module configured as SHBOUT x that the con
18. machine and another for a cumulative warning of the alarms that stop the machine or prevent start up Several other outputs inputs can be programmed according to agreements reached with the Visa Technical Department Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 21 Printed in Italy All rights reserved IN SYNC NT 4 7 PRE940S configuration automatic for SPTM mains emergency The automatic for a mains emergency version of the In Sync NT device and short parallel with it when it is restored allows a system to be controlled automatically according to a pre set cycle thereby causing the genset to start up in the event of a power failure powering of the user system and the shutdown of the genset once the normal conditions are restored The main advantage of using the In Sync NT is that synchronisation can be implemented once the power is restored and the load can be gradually shifted from the unit to the mains without the typical voltage dip in changeover switch panels This function is activated by selecting the AUTO mode see paragraph 2 1 The following graph illustrates the temporal sequence of the events and operations MAINS POWER GE POWER I nei Key MAINS Mains presence GENSET Status of the generating set start up shutdown MCB Opening closing of the mains circuit breaker GCB Opening closing of the unit circuit breaker
19. parameters Bus protect Bus gt f and Bus f del A bus measurement error is generated if the bus voltage is beyond the set limits See the details of parameters Gener protect BusMeasError in the IGS NT x y Reference Guide This alarm indicates an error in the setting of certain parameters and prevents start up or charging Incorrectly combined parameters ProcessControl s and enable ParallelEnable Synchro enable MF start enable See the GS NT x y Reference Guide for the SPTM SPI or COMBI applications in the chapters relative to AUT mode section OFF MAN AUT mode This alarm indicates an error in the setting of certain parameters and disables engine start up Incorrectly combined parameters ProcessControl s and enable ParallelEnable Synchro enable MF start enable See the GS NT x y Reference Guide for the SPTM SPI or COMBI applications in the chapters relative to AUT mode section OFF MAN AUT mode Indicates the protection has been triggered due to the generator IDMT current having been exceeded The over current protection intervenes in a time that is inversely proportional to the current value The higher the current the shorter the response time The protection is adjusted via parameters Generator protect 2 nom del and Basic settings Nomin current Indicates the protection has been triggered due to the mains IDMT current having been exceeded The over current protection intervenes in a time that is inversely proportional t
20. protection is set to phase phase voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE PHASE The left bus frequency is less than BusLeft lt ffor the BusLeft f del time The low frequency protection is based on the BusL protect thresholds BusLeft lt f and BusLeft f del The left bus frequency is more than BusLeft gt f for the BusLeft f del time The low frequency protection is based on the BusL protect thresholds BusLeft gt f and BusLeft f del The right bus frequency is less than BusRight lt f for the BusRight f del time The low frequency protection is based on the BusR protect thresholds BusRight lt f and BusRight f del The right bus frequency is more than BusAight gt f for the BusRight f del time The low frequency protection is based on the BusR protect thresholds BusRight gt f and BusRight f del The Bus voltage L1 L2 or L3 is less than Bus lt Hstlimit for a time equal to Bus V del The undervoltage protection is adjusted via parameters Bus protect Bus lt Hst and Bus V del These alarms are activated if the protection is set as phase neutral voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE NEUTRAL The Bus voltage L1 L2 or L3 is more than Bus gt Hstlimit for a time equal to Bus V del The undervoltage protection is adjusted via parameters Bus protect Bus gt Hst and Bus V del These alarms are activated if the protection is set as phase neu
21. rights reserved IN SYNC NT 4 5 PRE930S base load parallel with the mains configuration This option allows the genset to run for the prevailing supply of the load As long as the load is less than the set power it is powered solely by the generator the excess will be supplied by the mains The board automatically detects a power failure and intervenes by opening the circuit breaker interfaced with the mains MCB thereby blocking the power supply to the mains In this case the load shedding contacts should be used which allow non priority loads to be released in case of an overload in the generator When the power is restored with a programmable delay it will synchronise with the mains and resume the supply Setting the value of the power to be exported in Process control base load the unit will supply energy up to the set value and the rest will be supplied by the mains 40 30 20 LOAD 30 20 MAINS LOAD 30 20 G E LOAD MCB GCB Where LOAD Load performance MAINS LOAD Load absorbed from the mains GENSET LOAD Load supplied by the generating set MCB Status open closed of the mains circuit breaker GCB Status open closed of the unit circuit breaker This application must be designed and approved by a Visa spa technician and is provided in this manual for the information to be complete In this case the In Sync NT device must only be pro
22. yas performed by pressing the STOP key see below This key is used to turn the engine off Press the key i once to open the machine circuit breaker and for the The STOP key is only enabled if engine to switch to the cooling state empty the device is used in MANUAL operation to cool down The engine goes off aftera MOde with the engine running standard time of 2 minutes FUNCTION This key is used to operate the unit circuit breaker It is recommended not to use In manual mode with the unit idle press the unit the genset for more than 20 circuit breaker to close it thereby powering the operations hour in order to electric load connected to the genset Press the prevent the operating circuit breaker once again to open it mechanism from overheating FUNCTION This key is used to operate the mains circuit breaker in any PRE configuration In manual mode press this key to close the circuit breaker thereby powering the electric load connected to the mains Press the circuit breaker once again to open it It is recommended not to use the genset for more than 20 operations hour in order to prevent the operating mechanism from overheating 2 5 Display and programming keys FUNCTION The default page displays the OFF MAN AUTO and TEST mode the load in kW connected to the unit the READY LOADED etc status the OPEN CLOSED status of the circuit breaker the cosg engine revs any activated timers cooli
23. 2 L23 or L31 under H BusR L12 L23 or L31 over H BusL f under H BusL f over BusR f under BusR f over Vb L1 L2 or L3 under H Vb L1 L2 or L3 over H Vb L12 L23 or L31 under H Vb L12 L23 or L31 over Visa S p A Via 1 Maggio 55 31043 Fontanelle TV IN SYNC NT Description The right bus voltage L12 L23 or L31 is less than BusRight lt V for a time equal to BusRight V del The relative information will be saved in the board memory The BusR protect parameter BusR Volt prot must be set as ENABLED if the Bus events are to be controlled and logged The voltage must be more than BusRight lt V for the BTB tie to start the synchronisation cycle In fact the parameter is used to control the BUS status BusR Volt prot must be set to ENABLED This alarm is activated if the protection is set to phase phase voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE PHASE The right bus voltage L12 L23 or L31 is more than BusAight lt V for a time equal to BusRight V del The relative information will be saved in the board memory The BusR protect parameter BusR Volt prot must be set as ENABLED if the Bus events are to be controlled and logged The voltage must be more than BusRight lt V for the BTB tie to start the synchronisation cycle In fact the parameter is used to control the BUS status BusR Volt prot must be set to ENABLED This alarm is activated if the
24. B tie to start the synchronisation cycle In fact the parameter is used to control the BUS status BusL Volt prot must be set to ENABLED This alarm is activated if the protection is set to phase neutral voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE NEUTRAL The left bus voltage L12 L23 or L31 is less than BusLeft lt V for a time equal to BusLeft V del The relative information will be saved in the board memory The BusL protect parameter BusL Volt prot must be set as ENABLED if the Bus events are to be controlled and logged The voltage must be more than BusLeft lt V for the BTB tie to start the synchronisation cycle In fact the parameter is used to control the BUS status BusL Volt prot must be set to ENABLED This alarm is activated if the protection is set to phase phase voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE PHASE The left bus voltage L12 L23 or L31 is more than BusLeft lt V for a time equal to BusLeft V del The relative information will be saved in the board memory The BusL protect parameter BusL Volt prot must be set as ENABLED if the Bus events are to be controlled and logged The voltage must be more than BusLeft lt V for the BTB tie to start the synchronisation cycle In fact the parameter is used to control the BUS status BusL Volt prot must be set to ENABLED This alarm is activated if the protection is set to phase phase vol
25. Page 1 As has been mentioned earlier page 1 displays a lot of information by simply pressing the EY or ki keys If the keys are pressed several times all the screens are displayed returning to the main page at the end The In Sync NT device can monitor and measure phase voltage phase and frequency of the genset and the mains status of the mains and the load calendar and device clock and much more information Simply press to view the information and the following screens will be displayed in sequence The following appear on the display unit frequency phase neutral voltage and phase phase voltage of the unit in this case they are O as the unit is stopped Generator phase by phase current value Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 8 Printed in Italy All rights reserved IN SYNC NT Bus frequency phase neutral voltage and phase phase voltage of the bus the BUS is the downstream system of the machine circuit breaker Current to Earth value optional Active power power factor reactive power and apparent power of the unit for each phase Battery voltage control board temperature voltage D alternator battery charger Values of additional external sensors optional Phase displacement of the unit with respect to the bus its graphical display via the synchroscope unit voltage and bus voltage value in V of the engine speed adjustment sig
26. ains protect Over dStrtEval and 2POverldStEvDel The protection is active if Mns2POvridProt is enabled 112000000014 001 00 12 10 2011 Page 38 Printed in Italy All rights reserved Message BOR PbusL IDMT A H BOC NCB fail A H Wrn BadPwrCfg A H WrnTstOnLdFail A H Wrn SpdRegLim A H Wrn VoltRegLim A H GL neg A G ph L neg A G ph opposed A M L neg A M ph L neg M ph opposed B L neg B ph L neg B ph opposed BL L neg BL ph L neg BL ph opposed BRL neg BR ph L ne BR ph opposed hist PLC 1 4 Visa S p A Via 1 Maggio 55 31043 Fontanelle TV IN SYNC NT Description Indicates the protection has been triggered due to the IDMT power having been exceeded The left bus power overload protection intervenes in a time that is inversely proportional to the power value The higher the power the shorter the response time The overload protection is adjusted via parameters BusL protect OverldStrtEval and 2POverldStEvDel The protection is active if BusL2POvrldProt is enabled Fault in the contactor of the neutral conductor The board has not received the signal of the neutral contactor status auxiliary contact within 400 ms from the command The power formats vary in the different controllers within the same set of controlled generators Check the formats set on Gen config in the miscellaneous board only editable in the advanced mode This alarm is displayed if the test on load f
27. alarm is displayed if the protection is based on the phase neutral voltage Therefore only if the parameter FixVoltProtSel is set as PHASE NEUTRAL 19 The voltage of generator L1 L2 and L3 is more than the value set in Gen gt V SD for a time equal to Gen V del The overvoltage protections are adjusted via parameters Gener protect Gen gt V SD and Gen V del This alarm is displayed if the protection is based on the phase neutral voltage Therefore only if the parameter FixVoltProtSel is set as PHASE NEUTRAL 19 The voltage of generator L12 L23 and L31 is less than the value set in Gen lt V BOC for a time equal to Gen V del The undervoltage protections are adjusted via parameters Gener protect Gen lt V BOC and Gen V del This alarm is displayed if the protection is based on the phase phase voltage Therefore only if the parameter FixVoltProtSel is set as PHASE PHASE The voltage of generator L12 L23 and L31 is more than the value set in Gen gt V BOC for a time equal to Gen V del The overvoltage protections are adjusted via parameters Gener protect Gen gt V BOC and Gen V del This alarm is displayed if the protection is based on the phase phase voltage Therefore only if the parameter FixVoltProtSel is set as PHASE PHASE The voltage of generator L12 L23 and L31 is more than the value set in Gen gt V SD for a time equal to Gen V del The overvoltage protections are adjusted via parameters Gener protect Gen gt V SD and Gen V
28. amples Important public events with no mains power supply Telephone television and radio repeaters installed in remote areas with no mains power supply Critical applications Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 15 Printed in Italy All rights reserved IN SYNC NT Note how the load is always powered despite interrupted operation of the two units caused by a fault or a programmed stop such as maintenance This method can also be used if a customer already has a generating set e g 60 kW and has a larger load to power that exceeds the nominal power of the unit used 60 to 100 kW Instead of buying a 100 kW unit a second unit can be supplied whose power is equal to the increase in load 40 kW The Load sharing application allows the power to be distributed proportionally to the nominal power of the units In this case when operating at maximum load if a fault should occur in one of the two units there will be an overload in the second unit In this case special functions of the In Sync NT are used to transmit a partial load release command Even if the units are switched off for routine maintenance to be performed a load reduction is required This application must be designed and approved by a Visa spa technician and is provided in this manual for the information to be complete In this case the In Sync NT device must only be programme
29. ard See GenConfig manual Protections Indicates that the genset battery voltage is beyond the set values Analog protect Batt gt V Batt lt V and Batt volt del setpoints Verify whether the alternator battery charger or the additional battery charger work correctly Indication of current dispersion to Earth This protection works in accordance with the parameters Gener protect EarthFaultCurr and EthFitCurr del setpoints See also parameter EarthFitCurrCT from the Basic settings Indication of unbalanced generator voltage See parameters Gener protect Gen V unbal and Gen V unb del The unbalanced voltage is calculated as the maximum difference between the voltages of each phase Indication of unbalanced current See parameters Gener protect Gen I unbal and Gen I unb del The unbalanced current is calculated as the maximum difference between the currents of each phase Indication of unbalanced bus current See parameters Gener protect BusL I unbal and BusL I unb del The unbalanced current is calculated as the maximum difference between the currents of each phase Unbalanced supply voltage See parameters Mains protect Mains V unbal and MainsV unb del The unbalanced supply voltage is calculated as the maximum difference between the voltages of each phase Unbalanced mains current See parameters Mains protect Mains unbal and Mains unb del The unbalanced mains current is calculated as the maximum differe
30. ation files can also be sent to or received from the assistance centre Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 26 Printed in Italy All rights reserved IN SYNC NT 7 Troubleshooting This chapter covers problems and possible solutions related to the generating set and the control device installed in the electrical panel on board the machine ATTENTION Do not perform or engage in maintenance repairs or alterations without having specific knowledge or precise guidelines All the operations must be performed in compliance with the safety standards LU If still in doubt after having consulted the following paragraphs and the engine manual contact a VISA technician or the nearest authorised service centre If a fault occurs the control unit stops the genset storing the reason in the memory and the genset cannot be restarted until the operator performs a manual reset by pressing the tl key When a FAULT occurs read the message on the display consult the manual and identify and save the fault and the cause before pressing 1 Do not restart the genset without having assessed and resolved the fault ATTENTION If the cause has not been resolved do not reset or repeat the start up cycle especially if ALARM MOTOR OIL LOW PRESSURE appears on the display NOTE the In Sync NT device enables the alarms 20 s after the engine is started up From the start up command up t
31. be started and stopped remotely or started up automatically in the event of a power failure On The manual command keys o and EA are disabled The key can also be removed when it is in the I ON position DANGER before selecting the AUTO mode make sure the genset cannot be started inadvertently due to programming or a connection error Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 4 Printed in Italy All rights reserved IN SYNC NT 2 1 4 TEST In addition to the functions available in the AUTO mode the input for the empty or loaded generating set periodic test to be performed is enabled This function is used to periodically run the generating set to verify its efficiency DANGER AN before selecting the TEST mode make sure the genset cannot be started inadvertently due to programming or a connection error The In Sync NT board can control various test modes according to the configuration supplied Empty Test The generating set is started up once the external command is closed but the circuit breaker on board the machine GCB is not closed The genset continues to run on empty without powering the load Available in all PRE and PGE configurations Loaded Test Available in all PRE configurations with short The genset starts up when the test is activated then synchronises with the mains parallel supplies the load itself and opens the mains circuit breake
32. connection inteliMonitor Indication of an active call 1 3 Indication of an active call 1 3 See the Inteli Communication Guide for information regarding active calls See the IGS NT x y Reference Guide for a description of the settings of the Act calls SMS The board has been switched on Indication of an internal watchdog Send the log file with the settings to Comap for verification These messages can be logged as system errors due to Firmware prog error programming error Disp error communication problems with the display RTC flat battery see the information relative to this alarm SetpointCS err parameter setting error StaticsCS err statistic value error Wrong config a configuration error has been logged Power fail incorrect power supply less than 8V This message indicates that the board log has been deleted via the Clear history function in the GenConfig This function forms part of the option toolbar Indication that the changed parameters have been registered The history file contains the record of the changed parameters Indication that the password has been set Indication that the password has been changed Indication that the access code has been set Indication that the access code has been changed This means that a change has been made by User 0 administrator The following operations can only be carried out by the administrator reset the passwords modify the access
33. d by Visa technicians Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 16 Printed in Italy All rights reserved IN SYNC NT 4 2 PGE920 load management configuration The consumption of the generating set is optimised to use around 75 of the nominal power One or more units can be switched off during low load periods e g at night in the case of loads with broad and slow variations The load management function allows automatic start up and shutdown limits of the units to be set according to the load variation The start up shutdown of the units can also be controlled manually or via external automatic systems The order of priority of operation can be set manually or automatically according to the operating hours of the units uniform wear of the machines Important note the unit requires a variable time within the 40 second range to start up and synchronise itself depending on the type of unit It is important that the load is not increased much during this interval so as not to overload the running genset 70 60 50 T 40 30 4 20 LOAD Beg eo eit Pee ag Pe RATA GET GE2 Where LOAD Load performance GENSET 1 Start up shutdown of the 1 unit GENSET 2 Start up shutdown of the 2 unit This example represents the operation of two units according to the load applied Note how unit n 2 GENSET 2 starts up whe
34. g the passwords The password must be different for each type of user OPERATOR The default password for the operator is 301 This password allows the MODE keys to be released for the unit mode to be toggled between MAN and AUTO DEALER a OPERATOR This is reserved for the dealer called for maintenance purposes VISA OPERATOR This is reserved for the VISA technician to perform adjustments that affect machine operation Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 12 Printed in Italy All rights reserved IN SYNC NT 3 9 Example of how to modify parameters using the password All the parameters of the In Sync NT device are at different protected levels of the menu access to which is protected by 3 passwords Some of these parameters can be password free namely the first level of protection is accessible to the customer operator by entering the password 301 DANGER The parameters must only be modified by trained personnel Follow the steps below to access the editable SERVICE TIME parameters Press to view the menu on the display Move the cursor on to USERS PASSWORD using the ki key Press for the screen below to appear position the cursor on OPERATOR and press Eo for the screen below to appear A number zero will appear when Is pressed Press the yellow key until number 301 is reached keep the key pressed for the number to advance qu
35. grammed by Visa technicians Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 20 Printed in Italy All rights reserved IN SYNC NT 4 6 Automatic remote control configuration The basic version of the In Sync NT device has an input for a voltage free contact called SYS Start Stop Close the contact for the In Sync NT device to automatically start up or shutdown the genset in AUTO mode managing the start up times and circuit breaker on board the machine whilst also turning the engine off automatically if a fault occurs The genset start up can be controlled if a suitable device is connected to this input which activates the opening and closure of the contact e g clock manual selector power presence sensor radio control etc Moreover the In Sync NT device provides a potential free contact for possible consent to the changeover switch panel ATS In this case the mains detection must be carried out by an external device and suitable devices must be set up in the user s system for the proper connection and disconnection of the electrical load The remote controlled AUTO mode operating cycle is subject to the standard factory set times some of which are editable see Engine params ATTENTION The engine starts up immediately when the mode is switched to Auto with the remote contact closed Selecting the automatic mode Turn the device on by bringing the key to the I ON
36. he corresponding output has been opened See Load shedding parameters Indication of vector shift protection See parameters Mains protect VectorS prot and VectorS limit Other CB battery chargers have been triggered this information is available for circuit breakers that are controlled by a Comap controller IG IS NT or IM NT GCB is open GCB is closed MCB is open MCB is opened by an external operation MCB is closed MGCB is open MGCB is closed BTB is open BTB is opened by an external operation BTB is closed Direct synchronisation has started 112000000014 001 00 12 10 2011 Page 41 Printed in Italy All rights reserved Message RevSyncStarted Ready Idle run Running Warming Soft load Loaded Soft unload Cooling Emerg man Not ready Visa S p A Via 1 Maggio 55 31043 Fontanelle TV IN SYNC NT Description Inverse synchronisation has started Unit ready to start up Engine is on engine running conditions met and engine speed and alternator voltage reach the nominal values when running at minimum Genset is on and GCB is waiting to be closed Engine warming function When used in parallel with the mains the load is reduced according to the Warming load level setting For further information regarding this function see parameters Engine params Warming load Warming temp Max warm time The genset load is increased according to parameters Sync Load ctrl Load ramp Load gain
37. ickly Confirm by pressing Press to exit and return to the menu Position the cursor on the desired menu item e g Engine protect Press Position the cursor on the SERVICE TIME value next scheduled maintenance to be set 1 2 3 or 4 Press El Edit the value of the next interval in hours to be set using FA and 7 Confirm by pressing A Exit by pressing until the main menu is reached Select MEASUREMENT and press ENTER to return to PAGE 1 Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 13 Printed in Italy All rights reserved IN SYNC NT Setting the date and time Press to view the menu Position the cursor on SETPOINTS EMTEA Press M Move the cursor on DATE TIME Press Adjust the date and time using the EY and ki keys Press el to confirm the change Press 4 to return to the menu Position the cursor on MEASUREMENT EMTEA Press L to return to PAGE 1 NOTE The In Sync NT device always returns to PAGE 1 once 3 minutes elapse after the last key is pressed Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 14 Printed in Italy All rights reserved IN SYNC NT 4 Operating configurations The following cases are illustrated for simplicity s sake considering two generating sets or one generating set and the mains Similar applications
38. ize and characteristics and varies between 5 and 20 s The device considers the engine as started up when the signal deriving from the alternator battery charger has reached the expected value or the frequency of the main alternator of the genset has exceeded 20 Hz After this time the engine runs empty for 20 s this time can be set but it is recommended not to set it to less than 10s The device controls the correct operation of the genset and protects the engine by shutting down automatically if faults should arise during operation The device starts counting the time the power supply takes to be restored as soon as the voltage values fall within the set thresholds 60 s elapse before the load is switched to the mains in order to prevent a sudden changeover due to the possible instability of the values Mains presence is determined by the values falling within the set thresholds The power is considered to be restored when the voltage values fall within the set thresholds less the fixed hysteresis The hysteresis value is 4 for the voltage and 20 for asymmetry E g if the maximum supply voltage out of range value is 435V for a nominal voltage of 400V the device considers the voltage within range when the value is less than 417 6 V If during the cooling time another power failure occurs the device immediately transfers the load to the genset once again The standard version of the gensets PRE940S version has been conformed to the internati
39. n the set value of 40 kW is exceeded and shuts down when the value drops below 30 kW This application must be designed and approved by a Visa spa technician and is provided in this manual for the information to be complete In this case the In Sync NT device must only be programmed by Visa technicians Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 17 Printed in Italy All rights reserved IN SYNC NT 4 3 PRE910S import parallel with the mains configuration This option allows the customer to connect his load to the mains setting a maximum absorbed power limit Once this is exceeded the generating set starts up in parallel with the mains powering the excess load This allows the customer to avoid sanctions or disconnections from the mains due to overloads The genset can also be kept constantly on ready to make up for variations or started up once the pre set load threshold is exceeded The board automatically detects the power failure and intervenes by opening the circuit breaker interfaced with the mains MCB thereby blocking the power supply to the mains The Sys Start stop contact must be kept closed for the genset to always be used in parallel with the mains The process control import parameter defines the load that will be absorbed from the mains and the rest of the load will be supplied by the genset 40 30 LOAD T 30 1 20
40. nal and the percentage of the alternator voltage adjustment Unit operating hours number of start ups number of failed start ups hours left for the first second third and fourth scheduled maintenance Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 9 Printed in Italy All rights reserved IN SYNC NT kW h kVA h produced by the unit date and time Unit priority in the case of multiple machines in parallel total power available total power reserve and binary information All the above mentioned information is displayed starting from PAGE 1 and pressing the EJ or EA keys Other pages are available and can be used NOTE if the display backlight is off this will light up when any key is pressed The commands will be implemented when the key s are pressed again Press led to return to the main menu A menu will appear on which the cursor can be moved select the desired row and press ENTER Figure 3 Figure 3 Selection menu 3 3 Alarm List The third page Figure 4 displays the list of events saved by the In Sync NT All the operations carried out by the equipment or the alarms it has detected can be reconstructed No reason gt Fls water temp Fls oil press Switched on Fls water temp Fls oil press Switched on 118 Sd min oil level 11 42 10 27 04 04 Figure 4 page 3 3 4 Measurement This is page 1 Figure 2 described in Paragraph 3 1
41. nary input has been disabled This means that two previously connected gensets have been disconnected Adjusting the date and time See parameters Date Time Time stamp act and Time stamp per Indication that the genset has started up according to peak absorption See parameters ProcessControl PeakLevelStart PeakLevelStop and PeakAutS S del for information regarding this function Indication that the genset has stopped after peak absorption See parameters ProcessControl PeakLevelStart PeakLevelStop and PeakAutS S del for information regarding this function The generator has started up via Power management The generator has been stopped via power management Generator overload protection See parameters Gener protect OverldStrtEval and 2POverldStEvDel Careful that this parameter is adjusted via parameters Basic settings Nominal power setpoint setting Indication that the genset has been started up via the start button Indication that the genset has been stopped via the stop button Indication that the genset has been started up via the AMF function Indication that the genset has been stopped via the AMF function Indication that the unit has been started up via the remote start stop input Indication that the unit has been stopped via the remote start stop input Indication that oad shedding is activated and the relative output has been closed See Load shedding parameters Indication that oad shedding is deactivated and t
42. nce between the currents of each phase Unbalanced bus voltage See parameters Gener protect Bus protect Bus V unbal and Bus V unb del The unbalanced Bus voltage is calculated as the maximum difference between the voltages of each phase Unbalanced left bus voltage See parameters BusL protect BusL V unbal and BusL V unb del The unbalanced Bus voltage is calculated as the maximum difference between the voltages of each phase 112000000014 001 00 12 10 2011 Page 31 Printed in Italy All rights reserved Message BusR V unbal Dongle incomp A H Emergency stop A H CAN2 bus empty A H ChrgAlternFail A H Sd Stop fail A H Overspeed A H Underspeed A H Pickup fail A H Visa S p A Via 1 Maggio 55 31043 Fontanelle TV IN SYNC NT Description Unbalanced right bus voltage See parameters BusR protect BusR V unbal and BusR V unb del The unbalanced Bus voltage is calculated as the maximum difference between the voltages of each phase Indication of an incompatible dongle usually missing The IGS NT LSM PMS dongle green must be present if the load sharing and power management functions are used in MINT COX or COMBI See the Reference Guide to verify when the dongle is required Emergency stop Check the input with the emergency stop function This alarm is active if the control does not see any other control connected to the CAN2 bus This alarm can be de activated by using the follo
43. ng time pre starting etc Much more information is available by pressing the yellow keys The ENTER key confirms the selections made Press ESC to return to the upper level and view the menus Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 6 Printed in Italy All rights reserved IN SYNC NT 3 Display data and communications The In Sync NT device communicates all the information relative to the generating set electrical parameters engine parameters faults and alarms to the operator via special pages on the display 3 1 Information regarding the genset Start up page This page is only visible when the device is switched on It is useful to obtain all the specifications of the genset and the In Sync NT version which are necessary when requesting assistance The type and model of the genset serial number of the device software version selected operating mode and type of electrical layout can be viewed on this page Figure 1 6Bh Inteligen Comap 2000 P130SO Serial 081104FE SW ver 5 3 5 30 Appl MINT Branch Standard Figure 1 IMPORTANT INFORMATION REGARDING THE GENSET page 0 start up Figure 1 Key D Generating set model In Sync NT board serial number Software version Type of application NOTE this display only appears for a few seconds The display then switches to the next page 1 described below Once the device is switched on
44. o the current value The higher the current the shorter the response time The protection is adjusted via parameters Mains protect Mains2Inom del and Basic settings Nomin current The protection is active if Mns2Inom prot is enabled Indicates the protection has been triggered due to the left bus IDMT current having been exceeded The over current protection intervenes in a time that is inversely proportional to the current value The higher the current the shorter the response time The protection is adjusted via parameters BusL protect BusL2 nom del and Basic settings Nomin current The protection is active if BusL2 nom prot is enabled Short circuit current limit exceeded in the generator current The value set in the Generator protect has been exceeded short for the time set in short del Indicates the protection has been triggered due to the IDMT power having been exceeded The generator overload protection intervenes in a time that is inversely proportional to the power value The higher the power the shorter the response time The overload protection is adjusted via parameters Generator protect Over dStrtEval and 2POverldStEvDel Indicates the protection has been triggered due to the IDMT power having been exceeded The mains overload protection intervenes in a time that is inversely proportional to the power value The higher the power the shorter the response time The overload protection is adjusted via parameters M
45. o this time the engine runs with_no protections therefore if there are problems in the lubrication circuit and the start up cycle is repeated several times this can cause significant damage to the engine Do not touch the electronic components on the printed circuit of the In Sync NT board with bare hands There may be dangerous voltages even with the unit switched off and damage may be caused due to electrostatic loads Electrical panel Disconnected flat battery Blown fuse Interrupted power supply circuit circuit breaker key Check the fuses inside the panel the key contact closure and the battery voltage The device does not go on Adjust the contrast by pressing ai The device goes on but the Display contrast is not correct display is off The display is defective and Contact the service centre Circuit breaker does not pele coment Verify the voltage and frequency Circuit breaker engine fault l close l Contact the service centre Incorrect electrical parameters V Hz Problems signalled by the In Sync NT device The In Sync NT control unit checks many parameters of different importance or criticality for this reason the alarms are of different importance All the active alarms appear on the display and trigger the buzzer Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 27 Printed in Italy All rights reserved IN SYNC NT The correct way of interpreting the
46. on page 7 Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 10 Printed in Italy All rights reserved IN SYNC NT 3 5 Measurement I O This menu item displays the status of all inputs and outputs The relative indicative screens are shown below in sequence 3 6 History The In Sync NT control unit logs all the events and operations it performs automatically and every external command These are accessed from the History menu Examples are provided further on The logged date and time are indicated for each event Those in the example below refer to the cursor position that indicates a diesel low level pre alarm Press Ey to display the status of all the inputs and outputs when the event occurred Press ESC to return to the main Menu Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 11 Printed in Italy All rights reserved IN SYNC NT 3 7 Setpoints The figures below show how the Setpoints screens are accessed This part of the menu is mostly dedicated to trained technicians who know how the system works However it can be accessed freely but the parameters can only be changed if a password is entered Therefore everything is visible but not everything can be modified A few examples are found in Paragraph 3 9 on page 3 3 8 Users Password The figures in this paragraph indicate the screens relative to enterin
47. onal standard which stipulates a system must have two circuit breakers one installed on board the machine for the unit line called GCB genset circuit breaker and another that acts as a mains interface called MCB main circuit breaker The GCB is installed on board the machine in the standard supply whereas the MCB is the mains master switch installed on the customer s system not supplied by Visa Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 23 Printed in Italy All rights reserved IN SYNC NT 5 List of parameters The editing of the parameters allows the behaviour of the generating set to be adapted to the customer s specific requirements Since modifications can have implications which may even be dangerous for the system or the users the unit starting up unexpectedly it is important to be aware that the operation must be solely carried out by trained personnel Do not change parameters unless you have specific knowledge about them or have received precise instructions If still in doubt after having consulted the following paragraphs and the Comap manual contact a VISA technician or the nearest authorised service centre Password free parameters These are the most commonly used parameters and are not password protected in the standard setting Parameter Description Time left in hours for the next scheduled maintenance The first genset maintenance is scheduled after
48. permissions change the user names An external terminal has been connected or disconnected A binary input is unstable This problem is usually caused by a fluctuating input due to an incorrect Earth connection Check the Earth connection of the board Indication that the forced binary input has been set The forced on and off parameters are saved Indication that the summer winter time change has been set See the SummerTimeMod parameter for the modifications 112000000014 001 00 12 10 2011 Page 40 Printed in Italy All rights reserved Message GroupsLinked H GroupsUnlinked H Time stamp H Gen Peak start H Gen Peak stop H Gen PMS start H Gen PMS stop H Overload H Gen start H Gen stop H Gen MF start H Gen MF stop Gen Rem start Gen Rem stop Load Shed Load Reconnect VectorShift H Other CB trip GCB opened GCB closed MCB opened MCB opened ext MCB closed MGCB opened MGCB closed BTB opened BIB opened ext BTB closed SyncStarted Visa S p A Via I Maggio 55 31043 Fontanelle TV IN SYNC NT Description This indication in the log means that two generating sets have been connected together The binary input set with the GroupLink function is used for the status indication The parameters Pwr management GroupLinkLeft and GroupLinkRight provide the necessary information to understand which gensets are in parallel if the input is active The GroupLink bi
49. position Wait for the device to display page 1 Check that the top cursor is positioned on OFF point 1 figure 2 otherwise press one of the two MODE keys until OFF is reached Check that the remote contact is open Press MODE and bring the cursor on AUTO At this point contact closure results in unit start up stabilising of the revs and closure of the circuit breaker on board the machine The key can also be removed when it is in the I ON position lf a number of units are used once the contact is closed if connected in parallel to all the gensets all of them will start up and synchronise When the contact is opened the genset opens the circuit breaker on board the machine remains on for the cooling process and then goes off once the set time elapses programmable Refer to the wiring diagram supplied with the genset for the numbering of the terminals and the activated inputs NOTE The external contact must be potential free and the recommended section is 2 5 mm for a maximum distance of 200 m the circulating voltage at the top of the contact will be 12V or 24 V DC depending on the electrical system of the engine It is important that the wires are insulated from possible sources of interference Remote fault warning The standard configuration of the In Sync NT device is equipped with two potential free contact outputs one for a cumulative warning of the pre alarms events that require attention but do not stop the
50. pter in the IGS NT x y Reference Guide This alarm is activated if start up fails This means that the board has performed all the start up attempts set in the Engine params Crank attempts but the engine has not started For further information see the Engine starting procedures Chapter in the GS NT x y Reference Guide This message means that an input set as Startblocking is active and therefore start up is blocked If the startblocking status is active Notready is displayed in the list of alarms As soon as the input is disabled the engine is enabled to start up The Al Cylinder temperature 1 32 thermal protection is active Check the value of the corresponding threshold Fault in the MCB mains circuit breaker See the Circuit breakers operation sequence GCB MCB fail detection Chapter in the GS NT x y Reference Guide Fault in the GCB generator circuit breaker See the Circuit breakers operation sequence GCB MCB fail detection Chapter in the GS NT x y Reference Guide BTB bus to bus fault See the Circuit breakers operation sequence GCB MCB fail detection Chapter in the GS NT x y Reference Guide MGCEB fault See the Circuit breakers operation sequence GCB MCB fail detection Chapter in the GS NT x y Reference Guide Engine stopped by the input configured as low oil pressure see the LBI board in the GenConfig for information regarding the signal accepted for this function Indication that the inverse synchroni
51. r The entire load is then powered by the generating set The inverse process is performed once the test is complete thereby transferring the load to the mains and switching the genset off The entire process takes place with no voltage dips Loaded Test Available in the PRE910 920 930S configurations with long The genset starts up when the test is activated then synchronises with the mains parallel supplies the load while leaving the mains circuit breaker closed If the load exceeds the power set for the test basic setting gt base load the load remains partially powered by the mains If the load is less the surplus power is exported to the mains The periodic test verifies that the genset is working correctly and prevents power failures Of course this does not mean the maintenance technician is not required to perform a direct inspection of the genset through which any anomalies can be noted The periodic test can be performed on empty but the loaded test must still be considered as this is more reliable Visa S p A 112000000014 001 00 12 10 2011 Via I Maggio 55 31043 Fontanelle TV Page 5 Printed in Italy All rights reserved IN SYNC NT START Start up activated in manual mode Engine start up does not imply If the genset is in MAN mode the genset circuit breaker is Press this key for the engine to start up once the closed In manual mode this is ore start time elapses normally 5 s Ere i i l
52. ration 18 4 4 PRE920S export parallel with the mains configuration e 19 4 5 PRE930S base load parallel with the mains configuration 20 4 6 Automatic remote control configuration 21 4 7 _PRE940S configuration automatic for SPTM mains emergency 22 Ox LISO parameters siii RR la 24 6 Connecting to a personal computer optional rrrrrriiiiiiiiiiiiiiiiie 26 Z Troubleshooting ai 27 Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 2 Printed in Italy All rights reserved IN SYNC NT 1 Introduction Thank you for having purchased a generating set equipped with the In sync NT board We recommend you read this manual carefully and comply with all standards relative to safety and correct use and maintenance of the generating set Should any doubts arise while reading the manual or using the unit please contact a Visa technician The information contained herein is correct at the time of printing but can be changed without prior notice or notification in line with our objectives of continuous product development and improvement This manual together with the engine and alternator manuals and other documents delivered with the machine are an integral part of the Visa Generating Set hereinafter called genset This manual and the attached documentation are intended to be cons
53. rsonal computer optional The In Sync NT can be connected directly to a PC with an RS232 interface via an RS232 serial crossover cable Refer to the relative manual for further information regarding the installation and use of the software Two main programmes are available GenConfig and Intellimonitor The ntellimonitor programme must be installed on the PC direct connection or via modem based on the Windows platform This allows the genset to be monitored remotely with the following functions the values detected by the control unit read remotely viewing the alarms log engine control The second programme GenConfig is used to modify the configuration of the board to add or modify logic functions or editable inputs viewing and modifying the configurations selecting the configuration software modifying the settings of inputs and outputs modifying passwords command protection If the connection distance between the PC and the genset exceeds 5 m interface boards to Ethernet GSM or other networks are available which allow the genset to be monitored from one or more points located anywhere in the world The In Sync NT keeps track of each event in the historic archive which can save up to 117 records The older records are deleted when the archive is full If the PC is connected to the control unit and the log is loaded the list can be viewed at a later stage or sent via e mail for assistance purposes Configur
54. s Starting RPM or Al Oil press gt Starting POll or Wire D is active this condition is only used if the Engine params D function enabled or Bl RunIndication 1 or 2 or 3 are active or Generator voltage is gt 15 V in each phase See Speed pick up input Refer to the Technical data Chapter in the GS NT x y Installation Guide for information relative to the parameters of the pickup signals 112000000014 001 00 12 10 2011 Page 32 Printed in Italy All rights reserved Message Sd BatteryFlat A H WrnServiceTime A H Not lubricated A Start fail A H Start blocking A Wrn CylTemp1 32 A H Wrn MCB fail A H Stp GCB fail A H Wrn BTB fail A H Wrn MGCB fail Sd Oil press B A H Wrn RSync fail A H Visa S p A Via 1 Maggio 55 31043 Fontanelle TV IN SYNC NT Description This alarm is activated if the board goes back on after a drop in battery voltage caused by the engine being started up the voltage drops below 6 volt The ComAp I Lba module can help resolve this problem For information see the IGS NT x y Installation Guide This alarm is activated when at least one of the board service countdowns has reached zero See parameters Engine protect Service time X A value other than zero must be set in the corresponding parameters for the message to be cleared This alarm remains active before the end of the first lubrication cycle See the Engine states Cha
55. sation failed The generator or set of generators has failed to synchronise with the mains within the time set in Sync Load ctrl Sync timeout See the parameters of Sync Load ctrl and Volt PF ctrl Frequency regulation loop Angle regulation loop and Voltage regulation loop are active during synchronisation and they may have to be recalibrated The current synchronisation status can be viewed on the measurements screen with the synchroscope where the speed voltage adjustment slip frequency generator voltage and supply voltage can be read during the synchronisation process 112000000014 001 00 12 10 2011 Page 33 Printed in Italy All rights reserved Message Stp Sync fail A H Wrn Sync fail A H BOC L1 L2 or L3 under A H BOC L1 L2 or L3 over A H Sd L1 L2 or L3 over A H BOC L12 L23 or L31 under A H BOC L12 L23 or L31 over Sd L12 L23 or L31 over A H BOC fgen under A H BOC fgen over A H Visa S p A Via 1 Maggio 55 31043 Fontanelle TV IN SYNC NT Description Indication of a synchronisation error timeout sync alarm is active the generator or set of generators has failed to synchronise with the mains or Bus within the time set in Sync Load ctrl Sync timeout See the parameters of Sync Load ctrl and Volt PF ctrl Frequency regulation loop Angle regulation loop and Voltage regulation loop are active during synchronisation and they may have to be recalibrated The c
56. tage This means that the parameter Basic settings FixVoltProtSel is set as PHASE PHASE The right bus voltage L1 L2 or L3 is more than BusRight lt V for a time equal to BusRight V del The relative information will be saved in the board memory The BusR protect parameter BusR Volt prot must be set as ENABLED if the Bus events are to be controlled and logged The voltage must be more than BusRight lt V for the BTB tie to start the synchronisation cycle In fact the parameter is used to control the BUS status BusR Volt prot must be set to ENABLED This alarm is activated if the protection is set to phase neutral voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE NEUTRAL The right bus voltage L1 L2 or L3 is more than BusRight lt V for a time equal to BusRight V del The relative information will be saved in the board memory The BusR protect parameter BusR Volt prot must be set as ENABLED if the Bus events are to be controlled and logged The voltage must be more than BusRight lt V for the BTB tie to start the synchronisation cycle In fact the parameter is used to control the BUS status BusR Volt prot must be set to ENABLED This alarm is activated if the protection is set to phase neutral voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE NEUTRAL 112000000014 001 00 12 10 2011 Page 36 Printed in Italy All rights reserved Message BusR L1
57. tion PLC State 3 PLC State 4 A Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 30 Printed in Italy All rights reserved Message ActCall Fail A ECUDiagBlocked A Wrong config A H RTCbatteryFlat A Al Hist msg 1 16 A H Batt volt A H EarthFaultCurr A H Gen V unbal A H Gen unbal A H BusL unbal A H Mains V unbal A H Mains unbal A H Bus V unbal A H BusL V unbal Visa S p A Via 1 Maggio 55 31043 Fontanelle TV IN SYNC NT Description Indication that a call failed Refer to the nteliCommunication Guide to check the modem internet connection and the call activation setting Alarm is active when Comms settings ECU diag DISABLED This means that the ECU alarms are not displayed or considered by the board This is the notification message Incorrect board configuration indicates that the board hardware does not support the PLC used in the configuration Send the IDch and DNGL codes read on the information page 2 to the technical support This message indicates that the backup battery of the board is almost flat If the board is switched off when the battery is completely flat all the parameter data and the events log will be lost The battery must be replaced by a specialised technician This message can be used as a customised message for additional protection it can be configured for each parameter inside the bo
58. to Mains f del The over frequency protection is adjusted via parameters Mains protect Mains gt f and Mains f del The left bus voltage L1 L2 or L3 is less than BusLeft lt V for a time equal to BusLeft V del The relative information will be saved in the board memory The BusL protect parameter BusL Volt prot must be set as ENABLED if the Bus events are to be controlled and logged The voltage must be more than BusLeft lt V for the BTB tie to start the synchronisation cycle In fact the parameter is used to control the BUS status BusL Volt prot must be set to ENABLED This alarm is activated if the protection is set to phase neutral voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE NEUTRAL 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 35 Printed in Italy All rights reserved Message BusL L1 L2 or L3 over H BusL L12 L23 or L31 under H BusL L12 L23 or L31 over H BusR L1 L2 or L3 under H BusR L1 L2 or L3 over H Visa S p A Via I Maggio 55 31043 Fontanelle TV IN SYNC NT Description The left bus voltage L1 L2 or L3 is more than BusLeft lt V for a time equal to BusLeft V del The relative information will be saved in the board memory The BusL protect parameter BusL Volt prot must be set as ENABLED if the Bus events are to be controlled and logged The voltage must be more than BusLeft lt V for the BT
59. tral voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE NEUTRAL The Bus voltage L12 L23 or L31 is less than Bus lt Hst for a time equal to Bus V del The undervoltage protection is adjusted via parameters Bus protect Bus lt Hst and Bus V del These alarms are activated if the protection is set as phase phase voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE PHASE The Bus voltage L12 L23 or L31 is more than Bus gt Hst for a time equal to Bus V del The overvoltage protection is adjusted via parameters Bus protect Bus gt Hst and Bus V del These alarms are activated if the protection is set as phase phase voltage This means that the parameter Basic settings FixVoltProtSel is set as PHASE PHASE 112000000014 001 00 12 10 2011 Page 37 Printed in Italy All rights reserved Message f bus under H f bus over H Bus meas error A H OfL StartBlck A H StartBlck A H BOC IDMT A H MPR Imains IDMT A H BOR IbusL IDMT A H BOC ShortCurr A H BOC Overload A H MPR Pmains IDMT A H Visa S p A Via 1 Maggio 55 31043 Fontanelle TV IN SYNC NT Description The Bus frequency is less than Bus lt ffor a time equal to Bus f del The under frequency is adjusted via parameters Bus protect Bus lt f and Bus f del The Bus frequency is more than Bus gt ffor a time equal to Bus f del The over frequency is adjusted via
60. troller is powered that the target and source controllers are connected to the CAN2 port and the Tx and Rx LEDs of the CAN2 port flash the CAN16 32 values in the power management screen each control signals 1 in the position marked by its own address The CAN2 connection must conform to the GS NT installation guide See the Recommended Can RS485 connection Chapter SHAIN 1 4 Communication error with the SHAOUT modules 1 4 Check that one of the internal controllers is configured as SOURCE its module configured as SHAOUT x that the controller is powered that the target and source controllers are connected to the CAN2 port and the Tx and Rx LEDs of the CAN2 port flash the CAN16 32 values in the power management screen each control signals 1 in the position marked by its own address The CAN2 connection must conform to the GS NT installation guide See the Recommended Can RS485 connection Chapter SHBinCfgErr1 Configuration error of the shared Binary modules e g more than one source A module SHBOUT has been configured on the CAN2 bus Make sure there is only one configured SHBOUT x module SHAinCfgErr1 Configuration error of the shared Binary modules e g more than one source A module SHAOUT has been configured on the CAN2 bus Make sure there is only one configured SHAOUT x module PLC State 1 Status indicator of PLC 1 2 3 or 4 PLC State 2 for more information please see the description of Force protect PLC func
61. ulted by all those involved in the life cycle of the machine and must therefore always be kept and made accessible to the user Compliance with all the safety requirements is the customer s responsibility The generating set is a machine intended to be used by duly trained personnel Errors when installing or using the machine can seriously damage the user s system the machine itself or injure those involved There can be hazardous voltages inside the generating set and the control board even with the genset switched off do not start up perform maintenance repairs or alterations without specific knowledge or precise guidelines All the operations must always be performed in compliance with the safety standards Carefully read this manual together with those of the generating set engine and alternator LU If still in doubt contact a VISA technician or the nearest authorised service centre The In Sync NT board is designed to guarantee maximum programming flexibility and this manual contains the description of the most common functions Please contact our Sales Department for further information regarding programming options There are two main configurations PGE amp PRE parallel units and parallel to the mains respectively each can be customised as described further on The In Sync NT can be programmed according to different requirements and can be integrated with software or hardware Given the complexity of the equipment it
62. unctions is activated and the unit has not been able to transfer the load from the mains within the time set in Sync Load ctrl Load ramp This message is recorded in the alarms log Increase the time set in Load ramp or check the engine speed adjustment This alarm indicates that the speed regulator control output has reached its limit The warning is displayed when the speed control output falls within the values SpeedGovLowLim 0 2V or SoeedGovHiLim 0 2V for at least 2 seconds This alarm means that either the regulator is connected incorrectly or the relative parameters are set wrongly This alarm is disabled if the SPEED down or SPEED up outputs are configured See the Sync load control adjustment Chapter in the GS NT x y Reference Guide This alarm indicates that the AVR voltage adjustment output has reached its limit It is less than 2 or greater than 98 of the set values for at least 2 s This alarm is activated if the voltage regulator is connected incorrectly or one of the adjustment parameters is not configured correctly The alarm is disabled if one of the outputs is set as AVR up and AVR down See the Volt PF control adjustment paragraph in the GS NT x y Reference Guide The generator phases are inverted Check the connection of the generator phases as one of them is inverted Incorrect generator phase sequence and one of the phases is inverted The generator phase sequence is incorrect Check the generator phase connection
63. urrent synchronisation status can be viewed on the measurements screen with the synchroscope where the speed voltage adjustment slip frequency generator voltage and supply voltage can be read during the synchronisation process Indication of a synchronisation error timeout sync alarm is active the generator or set of generators has failed to synchronise with the mains or Bus within the time set in Sync Load ctrl Sync timeout See the parameters of Sync Load ctrl and Volt PF ctrl Frequency regulation loop Angle regulation loop and Voltage regulation loop are active during synchronisation and they may have to be recalibrated The current synchronisation status can be viewed on the measurements screen with the synchroscope where the speed voltage adjustment slip frequency generator voltage and supply voltage can be read during the synchronisation process The voltage of generator L1 L2 and L3 is less than the value set in Gen lt V BOC for a time equal to Gen V del The undervoltage protections are adjusted via parameters Gener protect Gen lt V BOC and Gen V del This alarm is displayed if the protection refers to the phase neutral voltage Therefore only if the parameter FixVoltProtSel is set as PHASE NEUTRAL 19 The voltage of generator L1 L2 and L3 is more than the value set in Gen gt V BOC for a time equal to Gen V del The overvoltage protections are adjusted via parameters Gener protect Gen gt V BOC and Gen V del This
64. whilst powering the load simultaneously This way the genset produces all the energy absorbed by the load together with the amount that is to be supplied to the mains The In Sync NT board automatically detects a power failure and intervenes by opening the circuit breaker interfaced with the mains MCB thereby blocking the power supply to the mains It will then continue to power the load When the power is restored with a programmable delay it will synchronise with the mains and resume the supply This is achieved by keeping the SysStart Stop contact closed and setting the load value to be exported in the Process control import parameter The value will be entered as negative to indicate to the board that the power is outgoing MAINS OUT 20 10 Where LOAD Load performance MAINS OUT Performance of the load supplied to the mains GENSET LOAD Performance of the load supplied by the generating set MCB Status open closed of the mains circuit breaker GCB Status open closed of the unit circuit breaker This application must be designed and approved by a Visa spa technician and is provided in this manual for the information to be complete In this case the In Sync NT device must only be programmed by Visa technicians Visa S p A 112000000014 001 00 12 10 2011 Via 1 Maggio 55 31043 Fontanelle TV Page 19 Printed in Italy All
65. wing parameter Comm settings CAN2emptDetect This parameter must be disabled in the genset application Check the Reg16 Reg32 strings to see which boards are in the same unit Indication of a fault in the alternator battery charger This alarm means that the D voltage is less than 80 of the board supply voltage which in turn means that the genset battery is not being charged Check the operation of the alternator battery charger Indication of a failed engine stop i e the engine does not signal its stopped state See parameters Engine params Stop time stopped engine conditions engine revs RPM 0 Al Oil pressure lt Starting POil and Wire D is not active BI Runindication 1 and 2 and 3 are not active Generator voltage lt 15V in all phases Generator Frequency 0 Hz If all these conditions are met the engine stop status is confirmed after a 2 s delay The overspeed alarm is adjusted via the following parameters Engine protect Overspeed See the following parameters for the underspeed alarm Engine params Starting RPM This protection is active once the engine is started up and the revs drop below the value set in Starting RPM For more information see the Engine starting procedures description in the reference guide Pickup failure alarm This means that the signal deriving from the pickup does not arrive together with the running engine active status Running engine condition engine speed gt Engine param

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