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SUNNY CENTRAL 200 / 250 / 350 / 500 / 560

1. 5 53 Configuring External Messages 23 Setting BtAlarm moe aet E Platte tette 53 Activating ImpEXEG eed c eL EL t m er eg 54 Active Power 55 Procedure for Setting Active Power Limitation 55 Active Power Limitation via Grid 57 Grid 58 Grid Connection after Fault 58 Behavior of Grid Limits over Time when Breaches Occur 59 Setting the Medium Voltage Level applicable only to HE 60 Disconnection Protection Ramp 60 External Grid Monitoring Relay optional 61 Overview of the Display and Control Elements 62 Display 63 Configuration Asa pa e rae ELO dak MCA Ead d dea dod Addo 64 Changing from Automatic Mode to Configuration Mode 64 SC BEN 100262 5 Table of Contents SMA Solar Technology AG 12 3 2 12 3 3 12 3 4 12 4 12 4 1 12 4 2 13 14 14 1 14 2 14 3 14 4 14 5 14 6 14 7 15 15 1 15 1 1 15 1 2 15 1 3 15 1 4 15 1 5 15 2 16 Accessito Configurations v esse RR eei 65 Parameters zi ver osten AR DE ee E retina ad 66 Monitoring s s iet Ath ies dte rct
2. Overfrequency Monitoring ON OFF ON Overfrequency monitoring is activated The following parameters of this function will be displayed OFF Overfrequency monitoring is deactivated The following parameters of this function will not be displayed 68 SC BEN100262 User Manual SMA Solar Technology AG External Grid Monitoring Relay optional A H play Threshold value for triggering at overfrequency in Level 1 12 123 13 131 Delay time for threshold value at overfrequency in Level 1 Threshold value for triggering at overfrequency in Level 2 12 123 13 131 Delay time for threshold value at overfrequency in Level 2 L1 L12 12 123 13 131 Hysteresis for the overfrequency monitoring this must be exceeded before any reconnection is possible Underfrequency Monitoring ON OFF ON Underfrequency monitoring is activated The following parameters of this function will be displayed OFF Underfrequency monitoring is deactivated The following parameters of this function will not be displayed L1 112 Threshold value for triggering at underfrequency in Level 1 LI L12 12 123 Linidernfre 13 131 pa ns Reversible Display Delay time for threshold value at underfrequency in Level 1 User Manual SC BEN 100262 69 External Grid Monitoring Relay optional SMA Solar Technology AG L1 LI2 12 123 Threshold v
3. Mean value Grp2 Mean value Grp3 Mean value of the string currents of Sunny String Monitor group 1 to Sunny String Monitor group 3 Mode Sunny Central operating mode e g MPP Mppsearchcount Counter for the number of times the system changed to MPP Search Pac Grid output power of the des Sunny Central Pac smoothed Smoothed feed in power Ppv DC input power of the Sunny Central P WModStt Display of the currently effective active power limit Qac Reactive power Reg SMUs Number of registered Sunny String Monitors R Insul Isolation resistance SMU Warncode The channel SMU Warncode displays a number code xxyy where xx denotes the number of the faulty Sunny String Monitor 1 to 40 and yy the error number O1 08 channel number for error in string current monitoring 09 10 error in signaling contact monitoring Fault counter Counter for the number of times a fault has occurred Team Status Status of Sunny Team For more information refer to Section 14 4 Team Status page 76 Cooler Temp Temperature of the heat sink TmpExt C Analog input of the external temperature sensor optional Tmplnt C Analog input of the internal temperature sensor standard TStart Reverse Time remaining until the system starts up TWait Reverse Time remaining until the next plant startup attempt Vac L1 L2 Gr
4. Sunny WebBox Sunny Central Internet Router Signaling of current feeding power in accordance with 8 6 EEG 2009 Besides the Power Reducer Box there are two further options for meeting the requirement of grid security management These are 1 reception of the signals via an analog input on the Sunny Central and 2 manual setting of default values via parameters How to implement these options is described in this manual User Manual SC BEN 100262 15 Control Elements SMA Solar Technology AG 4 Control Elements 4 1 Overview The following diagram shows the different control elements based on the example of a Sunny Central 250 Object Description A Sunny Central Control B Indicator light disturbance warning Sunny Team C Key switch D Emergency shut off with key E AC Main Switch 16 SC BEN100262 User Manual SMA Solar Technology AG Control Elements 4 2 Sunny Central 4 2 1 Indicator Lights There are 2 indicator lights at the front of the Sunny Central If an error occurs these indicator lights indicate the type of failure Meaning of the colors Yellow Sunny Central is in Alert status The Sunny Central does not switch off Check the system Once the error is no longer active the fault indication is automatically reset Red The Sunny Central is in Fault status If the Sunny Central has detected a fault it will shut down Once the err
5. Cause of error The current value at the analog input is not within the permissible range Corrective measures e Check the analog input 84 SC BEN100262 User Manual SMA Solar Technology AG Troubleshooting and Problem Solving No Description 602 Error text Error type 1 Defective default Reactive power Cause of error The current value at the analog input is not within the permissible range Corrective measures e Check the analog input 603 Error text Error type 1 Disturbed communication Effective power Cause of error The setpoint signal at the communication level is faulty Corrective measures e Check the communication route 604 Error text Error type 1 Disturbed communication Reactive power Cause of error The setpoint signal at the communication level is faulty Corrective measures e Check the communication route 680 Error text Error type 1 External Alarm was initiated Cause of error Dependent on the monitored unit Corrective measures Check the unit connected to the external alarm input 681 Error text Error type 1 Reduction of effective power activated Description The Sunny Central is currently reducing active power by means of an external setpoint User Manual SC BEN 100262 85 Troubleshooting and Problem Solving SMA Solar Technology AG 15 1 4 Faults No 104 Description Error text Error type 3 No Grid Synchr
6. Operating mode dVtrack During MPP tracking the inverter changes the voltage in dUtrack steps at TcheckMpp TcheckMpp intervals before it selects the MPP Mpp Factor The start value for MPP tracking is obtained by multiplying the Mpp Factor parameter by the measured open circuit voltage Factory setting 0 80 Recommendation for operation with thin film modules 0 70 TrackCnt During operation the Sunny Central searches the maximum power point It checks the voltage up to seven times default setting in one direction e g always toward the higher voltage After the seventh time at the latest it also searches below the last voltage in order to check whether the maximum power point has decreased If for example the Sunny Central finds a lower power point upon the third increase it searches below the most recently checked voltage MPP is set as a condition for starting up the inverter 36 SC BEN 100262 User Manual SMA Solar Technology AG Parameters PpvStop Parameters Description of function VconstSet Setpoint for constant voltage operation VpvStart must be gt VpvStart for the duration of Tstart so that the Sunny Central can Tstart switch from Wait mode to Startup mode The start voltage VpvStart must be adjusted to conform to the PV generator which is connected to the Sunny Central Twait If in three consecutive startup attempts PpvStop is not exceeded the next
7. WP TEMA EVI ZOLB MUSTERMA User Manual SMA Solar Technology AG Sending Data 8 5 Sending a Test Report 1 Select Remote Info as described in Section 8 1 Selecting Remote Info page 41 2 Select Test Report In the display of Sunny Central Control Start appears 3 Press ENTER to send a test report The test report has now been sent Or The test report could not be sent The message shown to the right is displayed The meaning of the error code in the bottom line is described in the FI Statuz NET Piggy Back manual Fan User Manual SC BEN 100262 47 Analog Inputs SMA Solar Technology AG 9 Analog Inputs Analog Sensors In the Sunny Central it is possible to install two sensors ExtSollrr ExtGlolrr onto Sunny Central Control via the customer s terminal strip The table below shows the various connection options available to the customer These sensors can be configured by the customer If you have ordered the option Installation in chemically active environment the analog input TmpExt will be allocated to a temperature sensor PT 100 at the factory In this case the ambient temperature will be measured outside the Sunny Central and will influence its operation behavior External Signals In addition to the analog sensors three further signals can be connected ExtAlarm ExtSolP and ExtSolQ These signals have a direct effect on the operation of the Sunny Central Th
8. pom Central Inverter SUNNY CENTRAL 200 250 350 500 560 User Manual SC BEN100262 98 4003362 Version 6 2 CN SMA Solar Technology AG Table of Contents Table of Contents 1 1 1 1 2 1 3 1 4 2 2 1 2 2 2 3 2 4 3 3 1 3 2 3 3 4 4 1 4 2 4 2 1 4 2 2 4 2 3 4 2 4 4 3 4 3 1 4 3 2 5 5 1 User Manual Notes on this 7 Aregof validi x sanete torio amne Ue Ra X t 7 Target Group eus wu C EAE HH E ER 7 Additional Information 7 Symbols U sein sr Sean een 8 ee ae Reese 9 Appropriate 9 Safety InsIruetons san lob d d pP TEE tad a ded 10 Identifying the Sunny Central 11 Operating 12 Grid Security 14 What are the 14 Active Power 14 The Solution from SMA Solar Technology 15 Control Elements 16 OVE EW ccce itera ani e Ra Pe 16 Sunny enlrals Cedo E 17 Indicator re dme RR Ache nn 17 Key switch rdiet LE ERE UNA Teeth 17 AC Main Swilch hg epe dea eed ies ach 17 Emergency Stop seva ree a etm ees eR a ma Re ele 18 Sunny Central Control 19 F
9. od ter 66 Alarm Messages Dealing with 72 Clear Alarm Signal oce e D 72 Interfacej o oos Du Du cs ree 72 Islanding Detection Anti Islanding 73 Sunny Team optional 74 Identification of Manager Device and Team Device 74 Display of Team Mode on the Sunny Central 74 Operating States of Sunny Team 75 Team Slam oce eee e P DUI warn 76 Team Mode Interrupted 77 Disable Team 78 Enable Team Mode 79 Troubleshooting and Problem Solving 80 POU DIOSA Bas Dp os d edet 81 Categories of Faults and Warnings 81 Types of Faults and Warnings sese 81 Rub UR EDU es 82 Faust ea aa 86 Evers o oe ken ee Eden rn RER reel 93 Clearing Er Ser ee 93 Contact es VA be pee 04 en ao uci dics 94 SC BEN100262 User Manual SMA Solar Technology AG Notes on this Manual 1 Notes on this Manual This manual describes the operation and troubleshooting of the Sunny Central with the aid of Sunny Central Control Store all accompanying documentation in the direct vicinity of the Sunny Central This must be available to operators and maintenance staff at all times 1 1 Area of validity This manua
10. 1 is breached grid disconnection the grid has already disconnected at Level 2 Connection conditions fulfilled gt monitoring time starts so oo Grid within valid range during monitoring time gt grid connection User Manual SC BEN 100262 59 Grid Monitoring SMA Solar Technology AG 11 3 Setting the Medium Voltage Level applicable only to HE devices You can set the medium voltage level for display and grid monitoring You can set the grid voltage to the appropriate value via the parameter VRtg The default value of the parameter VRtg is 20 kV It is important to adjust the transmission ratio of the external medium voltage transformer at the same time To do this you only have to adjust the high voltage side via the parameter TrfVolExlHi The value must equal the value of the parameter VRtg The low voltage side is preset according to the specific device Important you must always set the phase conductor voltages 11 4 Disconnection Protection Ramp DCRmp After a grid failure the Sunny Central slowly starts up again with a disconnection protection ramp of max 10 of the nominal power per minute You have the option of switching this disconnection protection ramp on or off For Germany the disconnection protection ramp is standardly switched on If you switch the disconnection protection ramp off the Sunny Central runs up to maximum output in the shortest time possible Activating deactivat
11. Change relay allocation YES NO Device specific presetting do not change L1 L12 12 123 13 131 Assign protection functions to relays 0 to 3 Device specific presetting do not change L1 L12 12 123 i lupum 1 EE Reversible Display Function of relays 1 2 and 3 Preset do not change User Manual SC BEN 100262 71 External Grid Monitoring Relay optional SMA Solar Technology AG 12 4 Alarm Messages Dealing with Errors Depending on the cause of the error various error messages will appear on the display By means of the Menu button you can scroll through the alarm messages Alarm text Description Overvolt 1 The threshold value for Level 1 of overvoltage monitoring has been exceeded Overvolt 2 The threshold value for Level 2 of overvoltage monitoring has been exceeded Und volt 1 The threshold value for Level 1 of undervoltage monitoring has been exceeded Und volt 2 The threshold value for Level 2 of undervoltage monitoring has been exceeded Overfreq 1 The threshold value for Level 1 of overfrequency monitoring has been exceeded Overfreq 2 The threshold value for Level 2 of overfrequency monitoring has been exceeded Und freq 1 The threshold value for Level 1 of underfrequency monitoring has been exceeded Und freq 2 The threshold value for Level 2 of underfrequency monitoring has been exceeded 12 4 1 Clear Alarm Si
12. Data Report Description Adjustable Errors Report of errors which have occurred e No report Hourly report recommended Daily report Event Report of generated events No report In addition to the report you can have e Hourly report the events displayed on Sunny Central Daily report Control under Long Term Data gt Plant recommended Status Refer to Section 15 1 5 Events page 93 for a description of possible events Send at Here you can set the time at which the Time daily report should be sent SMA Solar Technology recommends setting the time to 22 15 10 15 p m User Manual SC BEN 100262 43 Sending Data SMA Solar Technology AG 8 3 1 Daily Report System Info The daily report Plant Info can contain the following information Von MEINE ANLAGE An MAXGMUSTERMANN de Datum 30 04 2009 11 02 Betreff SUNNY MAIL FIX Ertrag 14 00kWh Gesamt 13 90kWh ABSENDER MEINE ANLAGE EMPFAENGER FIRMA XYZ SOLAR HERR MUSTERMANN TAGESBERICHT 30 04 2009 ANLAGEN INFO ID GERAET SERIENNUMMER EHeute SC SCCTest 0139100163 13 90kWh 14 00kWh ENDE INFORMATION Display Description ID 5 name of Sunny Central concerned SERIENNUMMER 7 serial number of the Sunny Central concerned ETotal total energy which the Sunny Central has fed into the grid during its operating life E Heute energy which the Sunny Cen
13. Potentiometer Set LCD contrast E LCD 2 line LC display F Clear Clear alarm signal Cursor Move one position to the right G Menu Selecting a Menu Digit f Increase selected number H Display Scroll through display line Select Confirm selection Alarm alarm has occurred K Operating Auto mode 62 SC BEN100262 User Manual SMA Solar Technology AG External Grid Monitoring Relay optional 12 2 Display Messages Performance values can be monitored from the two line display provided that the grid monitoring relay is in automatic mode In the configuration mode the individual parameters are displayed Display in auto mode top line measured values By means of the Display button you can scroll through the first line of the display Display Description L1 L12 12 123 13 131 The star LED is on and the triangle LED is off The star voltages U 1 n Ulan and of the four wire system are displayed L1 L12 12 123 The star LED is off and the triangle LED is on SEHE SE 40 L The phase conductor voltages Uj142 Uj243 and of the three wire system are displayed Reversible Display Display in auto mode bottom line measured values By means of the Menu button you can scroll through the second line of the display Display Description L1 L12 12 123 13 131 In the bottom line the frequency Hz is displayed Reversible Display User Manu
14. Sunny Central model The parameters marked with can only be displayed changed after entering the installer password see Section 5 6 Enter Password page 27 Parameters Normal VmppMin 450 880 V 250 V SC 100LV SC 200 SC 250 SC 350 SC 500 300 V SC 125LV 540 880 V SC 560 450 V SC 500HE SC 350HE SC 350 SC 250HE SC 250 SC 200HE SC 200 SC 150 540 V SC 560 dVreference 5 200 V 80V PsearchMpp 0 25000 W device specific setting TsearchMpp 60 3600s 600 s dVtrack 1 10V 5 V TaMp TcheckMpp 10 60s 10s Mpp Factor 0 20 1 00 0 80 TrackCnt 5 20 7 VpvStart 200 1000 V 400 V SC 100LV SC 1251V 600 V SC 500HE SC 350HE SC 350 SC 250HE SC 250 SC 200HE SC 200 SC 150 650 V SC560HE Tstart 1 6005 90s Twait 1800 s 600 s PpvStop 10000 W device specific setting Tstop 1 300 s 60 s Pac max 1000 kw device specific setting TMax cabinet 30 70 C 50 C TMin cabinet 30 10 C 20 C 38 SC BEN 100262 User Manual SMA Solar Technology AG Parameters 7 3 Changing Parameters m Impaired functionality of Sunny Central due to changed parameters 1 Parameters which have not been changed properly can partly or completely impair the functionality of the Sunny Central e parameters marked with may only be changed after con
15. Tstop PpvMinCheck startup attempt will not occur before the Twait period has elapsed If Ppv lt PpvStop for the duration of Tstop the Sunny Central goes into Shutdown mode PpvMinCheck appears only after entering the installer password If PpvMinCheck is set to off the Sunny Central continues to operate after the shutdown conditions have been met As a result the Sunny Central will continue to operate at night and will have to draw its operating power from the grid ext Power Swit E Total Offset Activation of grid disconnection With this parameter a constant offset can be applied to the internal energy counter After replacement of the Sunny Central Control it is advisable to adjust this parameter TMax cabinet If cabinet temperature exceeds cabinet the warning cabinet Temp is generated TMin cabinet If cabinet temperature drops below TMin cabinet the warning cabinet Temp is generated Team Funktion Activating and deactivating team operation For more information refer to Sections 14 6 Disable Team Mode page 78 and 14 7 Enable Team Mode page 79 User Manual SC BEN 100262 37 Parameters 7 2 Default Parameter Settings SMA Solar Technology AG The following table gives a summary of the main operating parameters It includes the adjustable range and default value of each parameter The adjustable range and default value depend on the
16. could result in death or serious injury N CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a situation which if not avoided could result in property damage Information e 1 Information provides tips that are valuable for the optimal installation and operation of your product 8 SC BEN100262 User Manual SMA Solar Technology AG Safety 2 Safety 2 1 Appropriate Usage The Sunny Central is a PV inverter It allows photovoltaic solar energy from PV modules to be converted and fed into a medium voltage grid The Sunny Central models SC 1001 SC 1251V SC 150 SC 200HE SC 200 SC 250HE SC 250 SC 350HE SC 350 SC 500HE and SC 560HE are equipped with the new grid security management function Further information on grid security management is provided in Section 3 Grid Security Management page 14 Principle of a grid connected PV system with a Sunny Central Object Description A PV Generator B Sunny Central C Public grid Sunny Central The Sunny Central is equipped with a low voltage transformer and feeds into the low voltage grid Sunny Central HE The Sunny Central HE does not have its own low voltage transformer It requires an adapted external medium voltage transformer via which it can feed into the grid Sunny Central LV The Sunny Central LV feeds into t
17. function of ExtSollrr and ExtGlolrr Fct ExtSollrr Fct ExtGlolrr Adiustable Meaning Deactivated The analog input is deactivated 20 mA Current measurement 20 mA to 20 mA 10 mV Voltage measurement 10 mV to 10 mV 20 mV Voltage measurement 20 mV to 20 mV 50 mV Voltage measurement 50 mV to 50 mV 100 mV Voltage measurement 100 mV to 100 mV 500 mV Voltage measurement 500 mV to 500 mV 1V Voltage measurement 1 V to 1 V 5V Voltage measurement 5 V to 5 V 10V Voltage measurement 10 V to 10 V M ExtSollrr and ExtGlolrr have now been configured Gain Conversion factor See Section 9 3 2 Displaying Sensor Values page 53 Offset Value which is added See Section 9 3 2 Displaying Sensor Values page 53 52 SC BEN100262 User Manual SMA Solar Technology AG Analog Inputs 9 3 2 Displaying Sensor Values 1 Select Spot Values gt Others P Zar LN Pot Ualuez i Grid ther 2 Select the required sensor M The present value is displayed under the sensor name 9 4 Configuring External Messages 9 4 1 Setting ExtAlarm The analog input ExtAlarm is preconfigured for the connection of an external alarm Activate or deactivate monitoring as described below 1 Open the detailed view of the sensor as described in Section 9 1 Detecting External Sensors 1 49 2 SetExtAlarm ctrl E
18. limit values and the triggering time manually For voltage monitoring it is possible to set two limits each for overvoltage and undervoltage For frequency monitoring you can set 2 upper limits and 3 lower limits Tripping and time characteristics using frequency monitoring as an example 51 5 HzCtlhhTm N 505 HzCtlhLimTm Z E g 50 gt B Tripping time Delay time in ms 5 as 4 gt 47 T1 HzCilllliimTm 45 1 HzCilMinLimTm v 11 1 Grid Connection after Fault Clearance After clearance of a grid fault reconnection can only occur once the grid voltage has returned to within the set connection limits e g VCllOpMinNom for the duration of the grid monitoring time GriGrdMonTm 58 SC BEN100262 User Manual SMA Solar Technology AG Grid Monitoring 11 2 Behavior of Grid Limits over Time when Breaches Occur A Operating mode S o a Description Delay time for grid limit Level 2 Delay time for grid limit Level 1 Start up MPP load operation Grid Monitoring Failure Grid limit Level 2 Grid limit Level 1 Connection limit Grid limit Level 1 is breached timer starts Grid limit Level 2 is breached timer starts Grid limit level 2 for delay time level 2 is breached gt grid disconnection m oo a7 gt Grid limit Level 1 for delay time Level
19. must not be changed L1 L12 12 123 Monitoring for dendi SLE Three wire four wire system default for Sunny Central with integrated transformer four wire system default for Sunny Central without integrated transformer three wire system Do not change This parameter is masked out as soon as you have set the voltage measurement parameter to three wire system When setting the voltage thresholds please note the following Sunny Central with integrated transformer set the threshold values as absolute values in volts corresponding to those present at the grid connection 66 SC BEN100262 User Manual SMA Solar Technology AG External Grid Monitoring Relay optional Sunny Central with external medium voltage transformer set the values in volts Set the relative value as a percentage of nominal voltage 105 V are equivalent to 105 of nominal voltage e Frequency thresholds are always set as absolute values in Hertz Example If a system with 20 kV 100 V has an overvoltage threshold of 115 V 115 and a hysteresis of 5 V 5 the monitored voltage must fall below 110 V 110 in order that the alarm be reset 12 123 13 131 Overvoltage Monitoring ON OFF ON Overvoltage monitoring is activated The following parameters of this function will be displayed OFF Overvoltage monitoring is deactivated The following parameters of this function will not be displ
20. on the Sunny Central The Sunny Central Control is operated by means of four control buttons These buttons are situated beneath the 4 line display Object Description A Aline display B Control buttons User Manual SC BEN100262 19 Control Elements SMA Solar Technology AG 4 3 1 Functions of the Control Buttons The control buttons have several functions The buttons and their functions are described in the following table Button ESC Description Function ESC e Cancels exits function e Answers questions with No e Returns to the previous menu e Changes from the standard view to the main menu Upward arrow e Moves to line above Increases value Downward arrow e Moves to line below e Decreases value ENTER ENTER Selects a function from the menu Selects a value Confirms changes e Answers questions with Yes BE Upward arrow downward arrow e Returns to standard view 20 SC BEN100262 User Manual SMA Solar Technology AG 4 3 2 Description of the Display Symbols Control Elements The Sunny Central Control display has four lines It uses various display symbols which are explained in the following table Description There are more display lines below There are more display lines above There are more display lines above and below Appears to the left
21. with the explanation of the version key in the wiring diagram 14 2 Display of Team Mode on the Sunny Central In team mode the indicator light for team operation is lit on both Sunny Centrals The DC contactor is closed one Sunny Central feeds the entire system power into the public grid 74 SC BEN100262 User Manual SMA Solar Technology AG Sunny Team optional 14 3 Operating States of Sunny Team During normal daily operation the Sunny Team goes through four phases These 4 phases are described below Phase In the morning Explanation gt VpvStart 50 V The DC contactor closes The system changes to team mode The Sunny Centrals are factory preset for alternating grid feed The team manager feeds into the grid on even numbered days and the team member on odd numbered days The Sunny Central designated for grid feed goes into operation as soon as the start requirements are fulfilled and feeds the entire system power into the public grid 80 of AC nominal power exceeded AC nominal power gt P Next Team default setting 80 The DC contactor opens The two Sunny Centrals now work separately Both Sunny Centrals are in operation converting the power of their PV generator and feeding it into the public grid Power drops below 20 of Pac smoothed Pac smoothed lt P Prev Team default setting 20 the DC contactor closes The system switches to Team mode The team manager determines whic
22. 4 09 10 56 lt NSM ENDE INFORMATION Display Description ID 5 name of Sunny Central concerned SERIENNUMMER 7 serial number of the Sunny Central concerned DATUM date of the error the warning or the event ZEIT time at which the error warning or event was detected by the Sunny Central 7 behind the time before the message means that the message appeared at the given time after the time before the message means that the message was cancelled at the given time MELDUNG 7 number of the fault warning or name of the event For more information on error or fault messages see Section 15 Troubleshooting and Problem Solving page 80 User Manual SC BEN 100262 45 Sending Data 8 4 Entering or Changing an Email Address 1 2 e 46 SMA Solar Technology AG Select Remote Info as described in Section 8 1 Selecting Remote Info page 41 Select Recipient Enter a company name in the top line FIRMA XYZ SOLA and confirm with ENTER Enter your name in line 2 HERRN MUSTERMA and confirm with ENTER Enter your email address in line 3 EMAIL TO and confirm with ENTER In line four EMAIL CC1 and line five EMAIL CC2 you can enter two additional email addresses to which reports should be sent Confirm addresses with ENTER The email addresses are now entered SC BEN 100262 REMOTE IHFO 1 E mail activated RECIFIEHT 1 ComrarcsHame
23. 80 to 299 Sunny Central hardware warnings 300 to 379 Sunny String Monitor faults 380 to 399 Sunny String Monitor warnings 400 to 479 Power unit hardware faults 480 to 499 Power unit hardware warnings 500 to 579 Team failures 280 to 599 Team warnings 600 to 699 External warnings 15 1 2 Types of Faults and Warnings The Sunny Central faults and warnings are subdivided into four types Type Error type 1 Warning Description The Sunny Central does not switch off Once the error is no longer present the error signal is reset automatically Check the system Error type 2 Fault The Sunny Central switches off Once the error is no longer present the error signal is reset automatically and the Sunny Central starts up again Error type 3 Fault The Sunny Central switches off Error type 3 can only arise if the Sunny Central is in grid feed operation when an error occurs Once the error is no longer present the error signal is reset automatically and the Sunny Central starts up again Error type 4 Fault Error type 4 must be cleared before the Sunny Central can resume operation The Sunny Central switches off Rectify the cause of the error and clear the error at Sunny Central Control or with Sunny Data Control Once you have cleared the error the Sunny Central resumes operation User Manual SC BEN 100262 81 Troubleshooting and Problem Solving SMA Solar Technology AG 15 1 3 Warn
24. A Solar Technology AG Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission Exclusion of liability The general terms and conditions of delivery of SMA Solar Technology AG shall apply The content of these documents is continually checked and amended where necessary However discrepancies cannot be excluded No guarantee is made for the completeness of these documents The latest version is available online at www SMA de or from the usual sales channels Guarantee or liability claims for damages of any kind are excluded if they are caused by one or more of the following Damages during transportation Improper or inappropriate use of the product Operating the product in an unintended environment Operating the product whilst ignoring relevant statutory safety regulations in the deployment location Ignoring safety warnings and instructions contained in all documents relevant to the product Operating the product under incorrect safety or protection conditions Altering the product or supplied software without authority The product malfunctions due to operating attached or neighboring devices beyond statutory limit values n case of unforeseen calamity or force majeure The use of supplied software produced by SMA Solar Technology AG is subject to the following conditions SMA Solar Technology AG rejects any liabili
25. TER to select the parameter to be changed Make a note of the preset value of the parameter Change parameter after consultation with SMA Solar Technology Confirm the change with ENTER The required parameter has been changed 7 4 Resetting Parameters To reset parameters proceed as described in Section 7 3 Changing Parameters page 39 and enter the original values of your Sunny Central 7 5 Saving Parameters Once parameters have been changed save them as described below 1 2 e 40 Enter the password as described in Section 5 6 Enter Password page 27 Select Device Set up gt Parameters gt save a parameter E Parana Lars 1 Faram Function save parameter Press ENTER twice The parameters are now saved SC BEN100262 User Manual SMA Solar Technology AG Sending Data 8 Sending Data Using the NET Piggy Back option the Sunny Central Control can be monitored remotely and can send email reports concerning the operating status or present errors and events Depending on your order preferences the Sunny Central is delivered ex works either without any communication devices or with a NET Piggy Back in one of the three following versions Analog e ISDN Ethernet The connection of Sunny Central Control to a telephone line a router or a PC is described in the NET Piggy Back manual The Sunny Central Control is preset for the respective communication type If you wish to receive
26. V Team mode is now deactivated 6 Disable team mode in the second Sunny Central M Team mode in both Sunny Centrals is now deactivated 78 SC BEN100262 User Manual SMA Solar Technology AG Sunny Team optional 14 7 Enable Team Mode If you wish to revert to team operation of the two Sunny Centrals you can re enable team mode The team mode must be activated at both the Sunny Centrals in the team Proceed as follows 1 2 Enter the password as described in Section 5 6 Enter Password page 27 Select Device Setup gt Parameters gt Others gt ion Co ther 1 Team function om The line below Team function starts to blink E Total ffzel El EH hdi cabinet 3 With the 1 button assign the previously noted team function of the Sunny Central This must i e be identical with the function prior to deactivation Function of the Sunny Central in the Team If you did not note the Sunny Central s function within the team you can identify this function as described in Section 14 1 Identification of Manager Device and Team Device page 74 Press ENTER M Team mode is now enabled Enable team mode in the second Sunny Central Team mode in both Sunny Centrals is now enabled User Manual SC BEN 100262 79 Troubleshooting and Problem Solving SMA Solar Technology AG 15 Troubleshooting and Problem Solving DANGER Danger to life due to high voltages in the Sunny Central Death or serious b
27. active power limitation For more details please see Section 10 2 Active Power Limitation via Grid Frequency page 57 10 1 Procedure for Setting Active Power Limitation The P W Mod parameter is used to set the procedure for limiting active power If you need help with this please contact the Sunny Central Service Proceed as follows 1 Select Device Set up gt Parameters gt TONO CANET Red effect pow gt P W Mod ee The line below P W Mod starts to blink P ro u 2 Select the required procedure for limiting active power with the button The following procedures can be selected Procedure Description off Active power is limited to the device nominal power Pmax WCilCom The active power limit is received by the external control unit e g Power Reducer Box and transmitted to the Sunny Central via communication WOnst The P W parameter is set in kW via the communication e g Sunny WebBox WOnstNom The P WNom parameter is set as a percentage via the communication e g Sunny WebBox WCnstNomAnln The active power limitation is set via a signal at the analog input ExtSolP The analog value is converted to a setpoint for power limitation 3 Press ENTER twice to confirm the procedure M The required procedure for active power limitation has now been set User Manual SC BEN 100262 55 Active Power Limitation SMA Solar Technology AG Procedure WCnstNomAnl
28. al SC BEN 100262 63 External Grid Monitoring Relay optional 12 3 Configuration SMA Solar Technology AG You may only carry out configuration when the Sunny Central is not in operation 12 3 1 Changing from Automatic Mode to Configuration Mode 12 123 13 131 Reversible Display SEBEET Configuration mode Select By pressing the Select button you will activate the input mode and be able to view the following screens and to make adjustments within the specified limits Each time you press Select you will scroll down one of the screens below If you have configured a parameter to OFF the relevant screen will not be displayed and you cannot process it By pressing Select you can switch the display to the next parameter L1 LI2 12 123 13 131 Sofiugaeue Revers Software version Select language German English 64 SC BEN 100262 User Manual SMA Solar Technology AG External Grid Monitoring Relay optional 12 3 2 Access to Configuration Password protection You will need a password to carry out any parameter settings adjustments Once you have entered this password you can view and adjust all parameters The factory setting for the password is 47537 You are free to change the password as desired Keep the password safe to prevent any unauthorized parameter adjustments DANGER Danger to life through changing the internal sa
29. al from the outside e If possible the Sunny Central should be externally isolated e Contact the SMA Serviceline 215 Error text Error type 2 heat sink fan fault Cause of error e Motor overload switch for the fan s cooling the power module has tripped e Overtemperature protection for the fan s cooling the power module has tripped e Ambient or cooling air temperatures too high Corrective measures e Switch the motor overload switch back on e Check function of cooling fans e Clean soiled air inlet or heat sink Ifthis error occurs frequently contact the SMA Serviceline 88 SC BEN100262 User Manual SMA Solar Technology AG Troubleshooting and Problem Solving Description Error text DC CB tripped or door switch open Error type 2 Cause of error e cabinet door was opened during operation The DC circuit breaker has tripped due to an internal fault e reverse current monitoring system on the DC side has tripped Corrective measures e Close the cabinet doors e Check the function of the door switches e Check the function and activation of the emergency shutoff relay e Check reverse current monitoring e Contact the SMA Serviceline 220 Error text Release or Reset Signal faulty Error type 2 Cause of error The inverter bridge release or clearance signal is defective Corrective measures If this is a permanent error pl
30. alue for triggering at underfrequency in Level 2 LI L12 12 123 13 131 Delay time for threshold value at underfrequency in Level 2 LI L12 12 123 versible Display Hysteresis for the underfrequency monitoring this must be exceeded before any reconnection is possible L1 LI2 12 123 13 131 Clearing Reversible Display not supported 12 123 13 131 Factory setting is On If you set the parameter to Off there will be no automatic reset and after a grid failure the Sunny Central will remain permanently in the alarm state Delay time for automatic reset of relay outputs after error message Configurable for the following types of monitoring Monitoring for Display message instead Comment of XXXXXXXX Overvoltage Overvolt Overvoltage Levels 1 and 2 Undervoltage Und volt Undervoltage Levels 1 and 2 Overfrequency Overfreq Overfrequency Levels 1 and 2 Underfrequency Underfrq Underfrequency Levels 1 and 2 70 SC BEN100262 User Manual SMA Solar Technology AG External Grid Monitoring Relay optional L1 L12 12 123 13 131 Huto clearnind Dizrla LH Reversible Display With this parameter you can set the display error message to reset automatically after the error has been indicated L1 L12 12 123 13 131 Duuittiernund He Delay time for reset of display message after error signal LI L12 12 123 13 131 Change
31. ata 33 Parameters ow scandens XOU PR EDO UA Ld NOD EE 34 Description of the Parameter 35 Default Parameter 38 Changing 39 Resetting 40 Saving Parameters a reses E een enna esp pe a Reate e 40 Sending 41 Selecting Remote 41 Activating Email Reports usa ta a it 42 SC BEN100262 User Manual SMA Solar Technology AG Table of Contents 8 3 8 3 1 8 3 2 8 4 8 5 9 9 9 2 9 3 9 3 1 9 3 2 9 4 9 4 1 9 4 2 10 10 1 10 2 11 11 1 11 2 11 3 11 4 12 12 1 12 2 12 3 12 3 1 User Manual Selecting Report Types to Send 42 Daily Report System Info 44 Hourly Report Errors Warnings and 45 Entering or Changing an Email 46 Sending Test 47 Analog 48 Detecting External 49 Calculating Gain and Offset 50 Configuring External 52 ExiSellriz nd ExtOloltt 2 sr aan 52 Displaying Sensor
32. ayed LI L12 12 123 L3 L31 Threshold value for triggering at overvoltage in Level 1 L1 L12 12 123 13 131 Delay time for threshold value at overvoltage Level 1 L1 L12 12 123 Ue ph Eh3 ENDEN Reversible Display Threshold value for triggering at overvoltage in Level 2 L1 L12 12 123 Delay time for threshold value at overvoltage in Level 2 Hysteresis for the overvoltage monitoring this must be exceeded before any reconnection is possible User Manual SC BEN 100262 67 External Grid Monitoring Relay optional SMA Solar Technology AG L1 LI2 12 123 13 131 Linidernuolt Monitorins OH Reversible Display Undervoltage monitoring ON OFF ON Undervoltage monitoring is activated The following parameters of this function will be displayed OFF Undervoltage monitoring is deactivated The following parameters of this function will not be displayed Parameters for 3 wire system LI L12 Threshold value for triggering at undervoltage in Level 1 Delay time for threshold value at undervoltage in Level 1 Threshold value for triggering at undervoltage in Level 2 Delay time for threshold value at undervoltage in Level 2 L1 LI2 12 123 13 131 ISIN Reversible Display Hysteresis for the undervoltage monitoring this must be exceeded before any reconnection is possible not supported 11 012 12 123 Reversible Display
33. ceed as follows 1 Select Device Setup gt Parameters gt Param Function Paraneters 1 The display blinks E Faram Function 2 Select default chan 2 ap M The display stops blinking De Param unci iorn default chan m a e e d 3 Press ENTER M The display of the measurement channels is now reset to the factory setting User Manual SC BEN 100262 31 Measuring Channels SMA Solar Technology AG 6 3 Retrieving Measurement Data All selected measurement channels and their measured values are recorded in the Sunny Central Control You can retrieve the measurement data directly at the Sunny Central Control or via Sunny Data Control 6 3 1 Retrieving Measurement Data at the Sunny Central Control Proceed as follows to retrieve the measurement data directly at the Sunny Central Control 1 Select Long Term Data gt Meas Chn gt SC SCXXX The Sunny Central Control displays the SC rHEHZ DATA 1 measurement channels sE heute sE ToLal ate 2 Select the required measurement channel with the arrow button and confirm with ENTER 3 Select the required date with the 1 arrow button and confirm with ENTER M The Sunny Central Control displays the required measurement channel for the selected date 6 3 2 Retrieving Measurement Data via Sunny Data Control You can retrieve the measurement data via Sunny Data Control The data is compiled i
34. dium Voltage Directive generator systems must be able to reduce their active power in stages of no more than 10 of the agreed installed active power Pay However the four staged reductions of 100 60 30 and O of the connected system power have become standard practice 14 SC BEN100262 User Manual SMA Solar Technology AG Grid Security Management 3 3 The Solution from SMA Solar Technology With the Power Reducer Box it is possible to implement active power limitation in accordance with the requirements of grid security management GSM for a PV system To do this four digital states e g of a radio ripple control receiver can be imported via the the Power Reducer Box thus enabling the Sunny Central to be set according to the specifications of the utility operator The four input ports are freely configurable via the integrated web interface If a signal from the radio ripple control receiver is present the Power Reducer Box analyzes the signal and relays an instruction via the Ethernet network to the registered Sunny WebBox devices Activated Sunny WebBox devices transfer the instruction to the connected Sunny Central Events are recorded onto the internal memory of the Power Reducer Box In addition it is possible to write events onto an SD card or download events via the web interface Utility interaction management in accordance with 6 EEG 2009 Utility operator Public grid Ripple control POWER REDUCER BOX receiver
35. e 1 Temperature sensor Cause of error External or internal temperature sensor is defective Corrective measure e Check sensors 82 SC BEN100262 User Manua SMA Solar Technology AG Troubleshooting and Problem Solving Description Error text Error type 1 SMU Cause of error The string monitoring system has detected one or more faulty strings or surge voltage protectors Corrective measures e Under Device Setup gt SMUs gt Devices gt Measured Values read out the individual string currents to locate the faulty string detailed information can be found in the Sunny String Monitor manual 381 Error text Error type 1 ser com with SMU disturbed Cause of error Communication failure between Sunny Central and the Sunny String Monitors Corrective measures e Check communication lines and connections detailed information can be found in the Sunny String Monitor manual 382 Error text Error type 1 thievery solar panel Cause of error Signal loop for theft detection at the Sunny String Monitor has been interrupted Corrective measures e Check string currents e Check signal loop e For further details refer to the installation guide and user manual of the Sunny String Monitor and or Sunny String Monitor Cabinet 585 Error text Error type 1 ser com with team disturbed Cause of error The communication b
36. e analog inputs ExtSolP and ExtSolQ serve to regulate active and reactive power This section describes how to activate the display of the sensors on the Sunny Central Control and how to configure them The electrical connection of the sensors is described in the Sunny Central installation guide Overview of Analog Inputs Input Meaning ExtSolP External setpoint specification for active power ExtSollrr External radiation sensor ExtGlolrr Pyranometer measurement of incident solar irradiation ExtAlarm External alarm input e g for monitoring the function of the medium voltage transformer ExtSolQ External setpoint specification for reactive power TmpExt C External temperature sensor PT 100 will be supported only with option Installation in chemically active environment 48 SC BEN100262 User Manual SMA Solar Technology AG Analog Inputs 9 1 Detecting External Sensors 1 2 User Manual Enter the password as described in Section 5 6 Enter Password page 27 Select Device Setup gt Interfaces gt Analog In L d Select the required analog input A detailed view of the required analog input is displayed The figure to the right shows the detailed 1 view of analog input ExtSollrr cipi ExtSel ter eee off Est SC BEN100262 49 Analog Inputs SMA Solar Technology AG 9 2 Calculating Gain and Offset Calculating gain and off
37. ease contact the SMA Serviceline 221 Error text CHOPPER Overtemperature Error type 3 Cause of error e EVR resistor overtemperature Defective chopper module e After 90 minutes the inverter will attempt to restart Corrective measures e Check resistor for dirt Make sure resistor is sufficiently ventilated e Contact the SMA Serviceline User Manual SC BEN 100262 89 Troubleshooting and Problem Solving SMA Solar Technology AG Description Error text Error type 2 Ambient temperature Cause of error The ambient temperature is higher than 51 Corrective measure e Check the cooling concept Check the fans e Check the ambient conditions e Check the sensor 400 Error text Error type 2 3 internal failure of inverter bridge Cause of error Internal inverter bridge fault e g symmetry fault board voltage undertemperature sensor broken Corrective measures If this error occurs frequently contact the SMA Serviceline 402 Error text Error type 2 ser com with inverter bridge disturbed Cause of error The RS485 communication between the inverter bridge and the Sunny Central Control is interrupted inverter bridge or the Sunny Central Control may be faulty Corrective measures e Check the RS485 wiring If this is a permanent error please contact the SMA Serviceline 408 Error te
38. elds is displayed upon selecting the required month by pressing ENTER You can delete the daily energy yield values as described below 1 Select Device Set up gt Parameters gt Param Function The display blinks 2 Select Del Daily Value with the 4 button and confirm by pressing ENTER M The daily energy yield values have now been reset to the factory setting 28 SC BEN100262 Panameternz J Faram Function D Parameters J Faram Function Del Dailu Ualus User Manual SMA Solar Technology AG Measuring Channels 6 Measuring Channels You can use the Sunny Central Control to display different measurement channels To do this proceed as described in Section 6 3 Retrieving Measurement Data page 32 All the measurement channels are described in the following table The measurement channels marked with an are preset in the factory and are standardly displayed in the Sunny Central Control under Long Term Data gt Meas Chn gt SC SCXXX Measuring channel Description Diag DOut The measurement channel can only be seen after the installer password has been entered Status of the digital output Diag DOut Status Fault Okay Diag Ext 24V The measurement channel can only be seen after the installer password has been entered Status of the digital output Diag Extt24V Status Fault Okay Startup counter Counter for the number of times the system has started up Dig
39. email reports you must adjust the setting for this For further information on reports please refer to Section 8 1 Selecting Remote Info page 41 8 1 Selecting Remote Info 1 Enter the password as described in Section 5 6 Enter Password page 27 2 Select Device Set up gt NET Email gt Remote Info E HET Email 1 HET Eemote info M The menu shown to the right now appears L REMOTE IHMFO J E mail peactiuated User Manual SC BEN100262 41 Sending Data 8 2 Activating Email Reports 1 2 4 SMA Solar Technology AG Select Remote Info as described in Section 8 1 Selecting Remote Info page 41 Press ENTER The line below E mail starts to blink Select activated with the 1 button Press ENTER twice M The email reports are now activated 8 3 Selecting Report Types to Send IF 2 42 REHOTE IHFO 1 E mail Select Remote Info as described in Section 8 1 Selecting Remote Info page 41 Select Events Select which reports should be sent at which time Report Types and Setting Options Report Description Adjustable Plant Info Report on the present values of your No report system e g E total Etoday Daily report recommended Warnings Report of generated warnings e No report e Hourly report Daily report recommended SC BEN100262 User Manual SMA Solar Technology AG Sending
40. en set M Date and time have now been changed 26 SC BEN100262 User Manual SMA Solar Technology AG Menu 5 6 Enter Password Safety relevant Sunny Central parameters can only be adjusted after entering a password You can obtain a password from our Serviceline see Section 16 Contact page 94 Proceed as follows to enter the password 1 Select Device Set up gt Password p Fasz i 2 Enter the password with the t or buttons and confirm the set value with ENTER After confirmation the entered values are displayed as a row of asterisks M The Sunny Central Control beeps 3 times if the correct password has been entered If the password is incorrect the Sunny Central Control beeps once Locking the Sunny Central Control e 1 You can lock the Sunny Central Control under Device Set up gt Password by entering an incorrect password or no password Password protection will automatically resume at midnight or after a restart of Sunny Central Control 5 7 Display Firmware Version You can view the firmware version on Sunny Central Control under Device Setup gt System gt Firmware nt T User Manual SC BEN100262 27 Menu SMA Solar Technology AG 5 8 Deleting the Daily Values of the Energy Yield The daily values of the energy yield can be displayed on the Sunny Central Control under Long Term Data gt Energy Yield The daily values are sorted according to the month A list of daily energy yi
41. erver SMTP User SMTP Pass Default Test Report SC BEN 100262 25 Menu SMA Solar Technology AG 5 3 Adjusting the Display Contrast You can adjust the display contrast in any menu You need to use a two button combination to increase or decrease the contrast Button combination Function ESC t Increases the contrast ESC 4 Decreases the contrast 5 4 Setting the Language You can choose between the languages German English and Spanish If you wish to change the language setting proceed as follows 1 Select Device Setup gt System gt Language 2 To select the required language press ENTER twice The required language is now set 5 5 Changing the Date and Time The Sunny Central Control s default settings for date and time correspond to the Central European time zone In order to change the date or the time proceed as follows 1 Select Device Set up gt System gt Date Time e 2 Click on the date Set the required date day month and year with the t or buttons and confirm each value setting with ENTER 4 Press ENTER twice to confirm the date as a whole The required date has been set 5 Click on the time Set the required time hours and minutes with the 1 or 1 buttons and confirm each value setting with ENTER 7 Press ENTER twice to confirm the time as a whole M The required time has be
42. etween the two team inverters has failed Corrective measures e Check the RS485 wiring for team communication Check power supply of the team member e Check team parameters at both Sunny Centrals User Manual SC BEN100262 83 Troubleshooting and Problem Solving SMA Solar Technology AG Description Error text Error type 1 Team contactor remain opened Cause of error The team contactor does not trigger Corrective measures e Check the triggering of the team contactor e Check the feedback contact of the isolation contactor Check whether the team current monitoring system has tripped 587 Error text Error type 1 Team contactor remain closed Cause of error The team contactor has not switched off The switching contacts may have got stuck Corrective measures Check the triggering of the team contactor Check the contact position of the team contactor e Contact Sunny Central Service 588 Error text Error type 1 Team contactor was opened Cause of error The team contactor has been switched off by the team current monitoring system Corrective measures e Check the triggering of the team contactor e Check the team current monitoring system settings fault Check the team current it may be too high due to asymmetrical current distribution e Contact Sunny Central Service 601 Error text Error type 1 Defective default Effective power
43. fety specifications of the Sunny Central Only qualified electricians may carry out parameter adjustments Only adjust parameters after consultation with the SMA Serviceline Enter Password 12 123 13 131 Enter code number 0000 9999 Input screen for the password Password Protection ON OFF ON Password protection is activated OFF Password protection is deactivated Define password for code level 1 The password is preset to CS1 0001 12 123 13 131 Define password for code level 2 The password is preset to CS2 4753 Reversible Display User Manual SC BEN 100262 65 External Grid Monitoring Relay optional SMA Solar Technology AG 12 3 3 Parameters Voltage measurement L1 L12 12 123 13 131 Voltage measurement i ind Four wire system three wire system Do not change LI LI2 12 123 Voltage transformer secondary Device specific presetting do not change Adjust the setting for the primary voltage transformer to the medium voltage value to match your system This setting has no effect on monitoring but only on the display of voltage readings Voltage transformer primary For Sunny Central devices without an integrated transformer enter the voltage of the medium voltage side e g 20 kV For Sunny Central devices with an integrated transformer this parameter is preset according to the specific device and the setting
44. ger and the team member take turns to feed into the grid The team manager feeds into the grid on even numbered days and the team member on odd numbered days While one Sunny Central is feeding into the grid the other changes to Wait mode Requirements for team operation 2 Sunny Centrals with the same nominal power 2 Sunny Centrals are equipped with Sunny Team Same number of PV modules per string modules of the same type modules with identical vertical and horizontal arrangement The connection of the team cabling and the installation of team systems is described in the Sunny Central installation guide Manager device The manager device is responsible for the operational control of the team and insulation monitoring ofthe entire system In cases of low solar radiation the manager device specifies which team member should feed the entire system power into the grid and which team member should switch to Wait mode Team device team member In team operation the insulation monitoring system of the team member is in Standby mode Two insulation monitoring systems cannot operate simultaneously as the two devices would interfere with each other 14 1 Identification of Manager Device and Team Device The type label includes a version key which specifies whether the Sunny Central is the manager or the team device You can identify the Sunny Central s team function by comparing the version key on the type label
45. gnal The grid monitoring relay signals an error alarm via the Alarm LED You can clear the alarm signal by pressing the Clear button We distinguish between the following error states Error still present As long as the error is still present it cannot be cleared The blinking Alarm LED on the control panel indicates that the alarm state is still active Error no longer present Once the current error has been remedied the Alarm LED changes from blinking to continuously lit The relay is configured such that the error message is automatically reset after the error has been signalled and the reset time has elapsed 12 4 2 Interface A configuration interface is available for configuring the relay via a PC To do this you need a special interface cable DPC and software You can find further information in the relay manual This is supplied with the Sunny Central on a CD ROM or you can find it on the internet under www woodward com 72 SC BEN100262 User Manual SMA Solar Technology AG Islanding Detection Anti Islanding 13 Islanding Detection Anti Islanding In cases of grid failure the grid voltage drops The Sunny Central detects this via grid monitoring and switches off In unfavorable circumstances there is the possibility that the Sunny Central is feeding the grid with a certain output for example 100 kW while at the same time there is 100 kW load running on the same grid branch In this case an island grid w
46. h Sunny Central is to convert the energy and feed into the grid The grid feeding Sunny Central feeds the entire system power into the public grid In the evening Open circuit voltage of the grid feeding Sunny Central for 30 minutes lt Vpvmin 100 V the DC contactor opens The Sunny Centrals are disconnected from each other This state is maintained until the following morning User Manual SC BEN 100262 75 Sunny Team optional 14 4 Team Status You can call up the status of the Sunny Team in Sunny Central Control under Spot values gt Other gt Team status Description of team status SMA Solar Technology AG Status German Status English Description Deaktiviert Deactivated Team mode is now deactivated Init Init Initializing team mode Stop Stop Team mode is stopped Warten Wait The Sunny Central is waiting for sufficient solar radiation to go into operation mode Warte gekoppelt Wait Linked The Sunny Centrals are linked The Sunny Central is not feeding into the grid Einsp gekoppelt Feed Linked The Sunny Centrals are linked The Sunny Central is feeding the entire system power into the public grid Unabh Einsp Feed SingleMode The Sunny Centrals are not linked They are feeding into the grid independently of each other 76 SC BEN100262 User Manual SMA Solar Technology AG Sunny Team optional 14 5 Team Mode Interrupted An interruption of team opera
47. he low voltage grid It is suitable for the connection of PV generators with low voltage Sunny Central MV The MV stations are medium voltage stations In an MV station two Sunny Central HE devices feed into the medium voltage grid via a shared medium voltage transformer User Manual SC BEN100262 9 Safety SMA Solar Technology AG 2 2 Safety Instructions DANGER Contact with live components of the low voltage grid can be lethal Death or serious burns Do not touch live components of the Sunny Central or the low voltage grid All safety precautions regarding the low voltage grid must be observed DANGER Danger to life due to high voltages in the Sunny Central Death or serious burns Any work on the Sunny Central may be carried out by qualified electricians only e Work on the Sunny Central must only be carried out as described in this manual Comply with all the listed safety instructions All the safety instructions in the Sunny Central installation guide must be observed DANGER Danger to life due to damage to the Sunny Central Death or serious burns Damage to the Sunny Central e g defective cables or a damaged enclosure can lead to death by electric shock or fire Only operate the Sunny Central when it is in a technically faultless and safe condition e Never operate a damaged Sunny Central Check the Sunny Central regularly for visible damage Regularly ensure that all e
48. hreshold values at underfrequency in Level 3 VmppMin GriGrdMonTm This parameter defines the time span required to meet the switch on conditions before the Sunny Central can be reconnected to the energy supply grid VCHOpMinNom _ This parameter determines the minimum grid voltage as a percentage of the nominal voltage VRtg which must be present at the Sunny Central for it to reconnect to the energy supply grid VCllOpMaxNom parameter defines the maximum grid voltage as a percentage of the nominal voltage VRtg which may be present at the Sunny Central for it to reconnect to the energy supply grid HzCtlOpMin This parameter determines the minimum grid frequency which must be present at the Sunny Central for it to reconnect to the energy supply grid HzCtlOpMax This parameter defines the maximum grid frequency which may be present at the Sunny Central for it to reconnect to the energy supply grid Minimum MPP voltage required for the Sunny Central to feed dVreference MPP tracking is possible within a range equal to 2 x dVreference As soon as the voltage breaches these voltage limits the inverter changes to MPP Search mode Default setting 80 V Recommendation for operation with thin film modules 120 V PsearchMpp TsearchMpp If the currently measured PV power drops below the value PsearchMpp for the duration of TsearchMpp the Sunny Central restarts the search for the MPP
49. id output voltage L1 L2 Vac L2 L3 Grid output voltage L2 L3 Vac L3 L1 Grid output voltage L3 L1 DC input voltage of the Sunny Central VpvO Opencircuit voltage of the PV plant VpvSet DC setpoint input voltage Warn counter Counter for the number of times a warning has occurred 30 SC BEN100262 User Manual SMA Solar Technology AG Measuring Channels 6 1 Adding Further Measurement Channels You can add further channels to the standard 14 measurement channels To do this proceed as follows 1 Select Device Setup gt Data Archives gt Chan Select gt SC SCCXXX The Sunny Central Control displays all measurement channels The measurement channels already displayed in the menu Long Term Data gt Meas Chn gt SC SCXXX are marked with a dot ection 2 Select the measurement channel to be added with the button and confirm with ENTER A dot now appears in front of the selected measurement channel 3 When exiting the menu confirm changes with ENTER V Further measurement channels have been added To call up the measurement data follow the steps in Section 6 3 Retrieving Measurement Data page 32 6 2 Resetting the Display of Measurement Channels to the Factory Setting The Sunny Central Control displays 14 measurement channels as standard If you have added extra channels to the display it is possible to reset the display back to default To do this pro
50. ill be formed and the Sunny Central will supply the 100 kW load Here the Sunny Central will measure its own voltage and finding it equal to the grid voltage will not immediately disconnect from the grid However if the antiislanding island detection function is activated the Sunny Central will detect the formation of an island grid and disconnect from the grid within a few seconds DANGER Danger to life due to high voltages in the case of presumed disconnection from the grid Death or serious burns In a case such as that described above voltage will still be present despite presumed disconnection from the grid SMA Solar Technology recommends activating the Anti islanding option Contact the Sunny Central Service if you wish to have the Anti islanding option activated Always makes sure there is no voltage present before working on the Sunny Central or the grid User Manual SC BEN 100262 73 Sunny Team optional SMA Solar Technology AG 14 Sunny Team optional You have the option of operating two Sunny Centrals with identical nominal power as a Sunny Team Sunny Team is a circuit with a DC contactor which connects the two Sunny Centrals electrically In case of low solar radiation the DC contactor closes and the two Sunny Centrals manager and team member are connected in parallel on the DC side One Sunny Central converts the power of the entire system and feeds it into the public grid The team mana
51. ing the disconnection protection ramp 1 If you wish to activate or deactivate the disconnection protection ramp please consult the Sunny Central Service 60 SC BEN100262 User Manual SMA Solar Technology AG External Grid Monitoring Relay optional 12 External Grid Monitoring Relay optional All Sunny Central inverters with an integrated transformer use an external grid monitoring relay to monitor the connected grid This relay detects and signals breaches of the grid limits and transmits a fault signal to the Sunny Central Devices without an integrated transformer can optionally be fitted with this relay If a grid monitoring relay is fitted the grid limits in the Sunny Central software are expanded and thus deactivated In this case grid monitoring takes place via the external grid monitoring relay The parameters for the grid limits are then set directly at the grid monitoring relay The following illustration shows the position of the grid monitoring relay based on the example of a Sunny Central 250HE User Manual SC BEN100262 61 External Grid Monitoring Relay optional SMA Solar Technology AG 12 1 Overview of the Display and Control Elements A B JN walopwarD K H F Object Name Function A Wye Y Display of wye star voltages phase conductor neutral conductor B Delta A Display of delta voltages DPC slot Configuration port D
52. ings No Description 281 Error text Error type 1 Ground fault or SPD defect Cause of error The alert chain is interrupted see wiring diagram Surge voltage protector damaged Back up fuse s damaged on the grid side or generator side if present e insulation resistance of the PV system is lower than the set threshold value The biasing circuit breaker of the transformer has tripped of the redundant power supply units is defective Corrective measures e Check fault signaling of the surge voltage protectors and replace them if necessary e Check protector back up fuse s and replace if necessary e Check PV system s insulation resistance e Inthe event of an insulation fault check strings under load free conditions Separate and connect individual strings to determine which string is faulty e Check the function of the ground fault monitoring system Switch the biasing circuit breaker of the transformer back on e Check the LEDs on the power supply unit and the monitoring module e Contact Sunny Central Service 283 Error text Error type 1 cabinet Temp Cause of error The threshold value parameter TMin or TMax for the permissible cabinet temperature has been breached too high or too low Corrective measures Check function of cabinet cooling fans Clean or replace clogged air filters e Check ambient temperature and adjust it if necessary 284 Error text Error typ
53. interval TStop is less than PpvStop A failure has occurred which necessitates shutdown of the Sunny Central e key switch is set to Stop Failure If a fault occurs during operation the Sunny Central shuts down and the Sunny Central Control displays the fault You will find a list of faults in section 15 Troubleshooting and Problem Solving page 80 User Manual SC BEN 100262 13 Grid Security Management SMA Solar Technology AG 3 Grid Security Management 3 1 What are the requirements In Germany PV systems with an installed capacity of more than 100 kWp must participate in feed and grid security management First and foremost the utility operator must be able to limit the power ofthe PV system by remote control and temporarily reduce it to zero in critical cases Relevant control commands from the utility operator must therefore be transmitted quickly and reliably to the Sunny Central The requirements in detail Reception of the setpoint via a centralized ripple control signal receiver with 2 or 4 relays Limitation of the feed in power in 4 configurable stages for example O 30 60 100 of the agreed installed active power Pay Setting of the required setpoint in less than a minute 3 2 Active Power Limitation Under certain circumstances the grid operator is entitled to dictate a temporary limitation of feed in power or to implement a system shutdown According to the Me
54. ital Input 1 Status of digital inputs 1 to 8 Digital Input 2 Digital Input 3 Digital Input 4 Digital Input 5 Digital Input 6 Digital Input 7 Digital Input 8 E Today Energy which the Sunny Central has fed into the grid today This is the energy generated from the time the Sunny Central starts operating in the morning to the moment of the reading Error Error of the Sunny Central E Total Total energy which the Sunny Central has fed into the grid during its operating time ExtGlolrr Analog input external pyranometer optional ExtSollrr Analog input external irradiation sensor optional ExtAlarm Analog input external temperature sensor optional ExtSolP Analog input external setpoint specification of active power ExtSolQ This measuring channel is displayed but not supported Fac Grid frequency Fl Code Response code of the NET Piggy Back FI Status Status of the connection setup to the NET Piggy Back h On Total number of operating hours h Total Total number of operation hours with grid feed User Manual SC BEN 100262 29 Measuring Channels SMA Solar Technology AG Measuring channel Description lac Grid output current Ipv DC input current Comm fault SMU Faulty communication with Sunny String Monitor No Meas Data Counter for the number of times an entry is saved in the circular buffer Mean value Grp1
55. l applies to the following device types with a Sunny Central Control 03 from firmware version 2 04 e SC 100LV e 5 125LV e 5 150 e SC200HE e SC 200 e SC 250HE e C 250 e SC 350HE e C 350 SC 500HE e SC 560HE 1 2 Target Group This manual is for the use of installers and operators of PV plants equipped with a Sunny Central 1 3 Additional Information All manuals for the Sunny Central as well as for the installed components must be stored together with the system documentation and must be accessible at all times The documents listed below are included in the delivery of your Sunny Central The following information is contained in these documents Installation guide Setup and installation of the Sunny Central User Manual How to operate the Sunny Central and Sunny Central Control Maintenance Manual Maintenance of the Sunny Central Wiring diagrams Wiring diagrams of the Sunny Central Accessory Documentation The documentation for optional accessories or optional equipment for the Sunny Central e g GFDI can be found online at www SMA de en User Manual SC BEN 100262 7 Notes on this Manual SMA Solar Technology AG 1 4 Symbols Used The following types of safety precautions and general information are used in this manual 1 DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided
56. n If you have selected the procedure WCnstNomAnln you must connect a signal to the analog input ExtSolP of the Sunny Central The strength of the connected signal current determines the nominal active power in percent Current Nominal active power 4 mA 0 8 5 mA 30 11 5 mA 50 13 mA 60 19 mA 100 SC BEN100262 User Manual SMA Solar Technology AG Active Power Limitation 10 2 Active Power Limitation via Grid Frequency The downward regulation of active power via the grid frequency is based on the available power at the start time of the downward regulation If the grid frequency exceeds a certain threshold defined by you P HzStr for example 50 2 Hz the Sunny Central saves the feed in power value at that moment in time Depending on grid frequency the saved value defines the power limit The gradient of the limit can be set via the PWGra parameter standard 40 Should the grid frequency drop the last power limit reached remains in effect Increasing the feed in power is only permissible when grid frequency drops below for example 50 05 Hz P HzStop P HzStop P HzStr Pac Frq Example A Sunny Central with 500 kW capacity is currently feeding 350 kW om into the public grid The frequency rises to 51 2 Hz From the difference between the current grid frequency and P HzStr 51 2 Hz 50 2 Hz multiplied by the gradient P WGra 40 we arrive at a reduction of active p
57. n a channel record For more information on updating refer to the Sunny Data Control manual 32 SC BEN100262 User Manual SMA Solar Technology AG 6 4 Deleting Measurement Data You can delete measurement data as described below Measuring Channels l Resetthe measurement channels to the factory setting as described in Section 6 4 Deleting Measurement Data page 33 2 Select Device Setup gt Parameters gt Param Function The display blinks 3 Select Del meas data M The display stops blinking 4 Press ENTER The measurement data is now deleted User Manual D Parameters J Faram Function Del Meas Data SC BEN 100262 33 Parameters SMA Solar Technology AG 7 Parameters The parameters of the Sunny Central are preset for operation It is advisable to adapt some of the Sunny Central s parameters to the PV generator and to the requirements of grid security management The Sunny Central s parameters are subdivided into various menus 34 Red effect pow Parameters for active power limitation Outp react pow Parameters for the reactive power setpoint these parameters are displayed but are not supported Grid decoupling disconnecting the Sunny Central from the grid Parameters for grid decoupling Grid connection Parameters for grid connection Mpp Limit Val Limit values for MPP mode MPP Tracking Settings for MPP mode Start requiremt Parameters for startup of
58. of the currently selected line Press t or to move to another line Appears to the left of a value which can be changed If for example a parameter has been changed the arrow to the left of the active line blinks The Sunny Central Control is loading the next menu or saving data User Manual SC BEN 100262 21 Menu 5 Menu 5 1 Display Messages During Operation SMA Solar Technology AG After the Sunny Central has been switched on the Sunny Central Control initializes Initialization involves a sequence of three display messages After initialization the Sunny Central displays the measured values and spot values shown to the right You can switch between the three views with the buttons t L Jor ENTER If a warning or fault is reported the display will alternate between the active standard view and the error with the highest priority 5 2 Menu Overview 5 2 1 Operating data E mo PEL E Todeuw 257 E Totalz81z 3khlh Hace Mode HPP Pey go SYR ud igi ER Tew 166 260 Mode HER Fac S8 Bd Hz lac 258 510 lac ie Current Faults SC Quit Function BFR Error Stack Failure Err Meas DC State Inverter Status E Total E Today Meas Interval Daily Values Meas Channels 22 SC BEN100262 User Manual SMA Solar Technology AG Menu h On Working Time Startup c
59. ometer Analog Inputs pyranometer has an output voltage of O to 10 volt which corresponds to an irradiation between and 1350 W m OV Mu 10V DI OW m Du 1350 W m Formula Calculation G Du DI Mu MI 1350 0 10 0 135 O DI G MI O 0 135 x 0 20 W m Example if M 5 V Formula D GxM O Calculation 135x5 0 675 Example calculation temperature sensor A thermometer with measurement transducer outputs 4 to 20 mA which corresponds to a temperature range of 30 to 80 C Ml 4mA Mu 20mA DI 30 C Du 80 C Formula Calculation G Du DI Mu MI 80 30 20 4 6 875 O DI G x 30 6 875 x 4 57 5 Example if M 4 mA Formula D GxM O Calculation 4 x 6 875 57 5 30 User Manual SC BEN 100262 51 Analog Inputs SMA Solar Technology AG 9 3 Configuring External Sensors 9 3 1 ExtSollrr and ExtGlolrr 1 Open the detailed view of the sensor as described in Section 9 1 Detecting External Sensors page 49 2 Activating or deactivating the external sensor ctrl ExtSollrr ctrl ExtGlolrr Adjustable off Meaning Sensor deactivated on Sensor activated After the sensor has been activated it is displayed under Spot Values gt Other Also see Section 9 3 2 Displaying Sensor Values page 53 3 Setting the
60. onization Cause of error Left hand rotating field or internal device fault Corrective measures e Check right hand rotating field e Check whether all internal fuses are switched on e Contact the SMA Serviceline 105 Error text Error type 2 Grid voltage to low Cause of error Voltage on the AC side is below the permitted range Corrective measures e Check the grid connections e Check grid stability 106 Error text Error type 2 Grid voltage to high Cause of error Voltage on the AC side is above the permitted range Corrective measures e Check the grid connections e Check grid stability 110 Error text Error type 2 UVW Range Cause of error Voltage on phase L1 L2 or L3 outside the permitted range Corrective measures e Check the grid connections e Check grid stability 86 SC BEN100262 User Manual SMA Solar Technology AG Troubleshooting and Problem Solving Description Error text Error type 2 Grid frequency to high or to low Cause of error Grid limits breached Corrective measures e Check the display of the grid monitoring relay Check the fuses in the load circuit 112 Error text Error type 2 External Grid Monitoring triggered Cause of error Voltage or frequency on the AC side is outside the permitted range Corrective measures e Check the grid connections e Check grid stability Check
61. or has been rectified and cleared it will resume operation For more information see Section 15 1 2 Types of Faults and Warnings page 81 4 2 2 Key switch The key switch is used to switch the Sunny Central on and off After turning the switch to the Start position the Sunny Central switches from the Stop mode to the Wait mode Given sufficient irradiation and a valid grid the Sunny Central goes into grid feeding operation If the irradiation and thus the input voltage are too low the Sunny Central remains in Wait mode When the key switch is turned to Stop the DC main switch is automatically switched off by a motor drive 4 2 3 AC Main Switch NOTICE Improper use of the AC main switch may cause damage to the Sunny Central u The components of the Sunny Central are subject to considerable stress if the AC main switch is actuated under load Frequent use of the AC main switch can cause stress related damage to individual components e Switch off the Sunny Central with the key switch Operate the AC main switch The AC main switch enables you to disconnect the Sunny Central from the grid on the AC side User Manual SC BEN 100262 17 Control Elements SMA Solar Technology AG 4 2 4 Emergency Stop NOTICE Improper use of the emergency shut off switch may cause damage to the Sunny Central The components of the Sunny Central are subject to considerable stress if the emergenc
62. ounter Fault counter Alert counter 5 2 2 Spot Values Vac 11 12 Vac L2 L3 Vac 13 11 P WSpt P WModfFailStt P WModStt GriGrdStt T Heat Sink C Mppsearchcount Team status R Insul Tmplnt C TmpExt C ExtSolP ExtSolQ displayed but not supported ExtSollrr ExtGlolrr User Manual SC BEN 100262 23 Menu 5 2 3 Long Term Data SMA Solar Technology AG Meas Chn Energy Yield Plant Status Faults 5 2 4 Device Set up Language Date Time Inverter Type Firmware BFR_SW_Vers Param Function Red effect pow P WMod P W P WNom Plimit Pmax Smax Outp react pow displayed but not supported Grid decoupling Voltage VRtg VCtlhhLim VCtlhhLimTm VCtlhLim VCtlhLimTm VCtllLim VCIllLimTm VCtlllLim VCIlliLimTm HzRtg HzCilhhLim HzCtlhhLimTm VCilhLim VCtlhLimTm VCillLim VCtllLimTm VCIlliLim VCtlllLimTm HzCtlMin HzCtlMinTm Grid frequency Grid connection GriGrdMonTm VCtlOpMinNom HzCtlOpMin HzCtlOpMax Mpp Limit Val UmppMin dUreference PsearchMpp TsearchMpp Mpp Tracking dUtrack TcheckMpp Mpp Factor TrackCnt Start requiremt Operating Mode V
63. ower by 40 of the last available power Prom 350 kW This results in a power limitation of 140 kW and a maximum active power of 210 kW Formula PGrenz Pmom fNetz P HzStr Hz PWGra Prom PGrenz limit power mom 7 Current power Calculation for this example 210 kW 350 kW 51 2 50 2 40 350 kW e Deactivating active power limitation via grid frequency 1 If you wish to deactivate the active power limitation via grid frequency please contact Sunny Central Service User Manual SC BEN 100262 57 Grid Monitoring SMA Solar Technology AG 11 Grid Monitoring The Sunny Central monitors the energy supply grid for breaches of adjustable upper or lower limit values If the upper or lower limit values are breached for a relevant adjustable time the Sunny Central disconnects itself from the grid for security reasons The following limit values are monitored e Voltage decrease protection U lt and U lt lt Voltage increase protection U gt and U gt gt Frequency decrease protection f lt lt and lt lt Frequency increase protection f and f gt gt For each limit value you can set a trigger delay time for the duration of which the grid fault must be present before the Sunny Central disconnects from the grid Thus for example at an overfrequency of 50 5 Hz triggering can be set to take place after 1 second and at an overfrequency of 51 5 Hz after only O 1 seconds You can preset the
64. pvStart Tstart Shut down requ PpvStop Tstop Grid Monitor PpvMinCheck Other ETotal Offset TMax cabinet TMin cabinet Team function P Next Team P Prv Team Tau FP Test feed unit Date availab TmpDrtStopMod 24 SC BEN100262 User Manual SMA Solar Technology AG User Manual Menu Communication COM1 SMUs Medium Baud rate Protocol COM2 Inverter Medium Baud rate Protocol Registration Detection Parameters Measured values COM3 PC Medium Baud rate Protocol Analog In ExtSolP R Insul ExtSollrr ExtGlolrr ExtAlarm ExtSolQ displayed but not supported TmpExt C Digital In Digital Input 1 8 Digital Out Diag Ext 24V Diag DOut Dig Output 1 8 Data Recording Meas Interval Max Storage Chan Select Devices Registration Detection Parameters Measured Values Parameters regist SMUs Error Report Time Polling Time SMU_Overnight Shutdown SMU_Theft Tolerance Grp1 3 Measured Values mean value Grp1 3 Failure Actual Failures Hist failures NET KO NET KO NET ETH IP NET ETH SNET KO NET ETH PVSN NET ETH GW NET ETH DNS Remote Info EMAIL Events Plant info warnings errors daily report at Recipient Company Name EMAIL TO EMAIL EMAIL CC2 Sender Plant Name EMAIL FROM ISP Account ISP Phone No ISP User ISP Pass SMTP Account SMTP S
65. r triggering at overvoltage in Level 2 VCtlhhLimTm Triggering time for the threshold value at overvoltage in Level 2 VCillLim Threshold value for triggering at undervoltage in Level 1 VCillLimTm Triggering time for the threshold value at undervoltage in Level 1 Threshold value for triggering at undervoltage in Level 2 VCilllLimTm Triggering time for the threshold value at undervoltage in Level 2 VCIlMin Minimum threshold value at undervoltage in Level 3 VCtlMinTm Triggering time for minimum threshold value at undervoltage in Level 3 HzRtg Nominal frequency of the energy supply grid HzCtlhhLim Threshold value for triggering at overfrequency in Level 2 HzCtlhhLimTm Triggering time for the threshold value at overfrequency in Level 2 HzCtlhLim Threshold value for triggering at overfrequency in Level 1 HzCtlhLimTm Triggering time for the threshold value at overfrequency in Level 1 HzCtlllim Threshold value for triggering at underfrequency in Level 1 HzCtlllimTm Triggering time for the threshold value at underfrequency in Level 1 HzCtllllim Threshold value for triggering at underfrequency in Level 2 HzCtlliLimTm Triggering time for the threshold value at underfrequency in Level 2 HzCtlMin Minimum threshold value for triggering at underfrequency in Level 3 User Manual SC BEN 100262 35 Parameters SMA Solar Technology AG Parameters HzCtlMinTm Description of function Triggering time for the minimum t
66. righthand rotating field 201 Error text Error type 2 Ground fault or Overtemperature Cause of error overtemperature fault chain is interrupted see wiring diagram e Switch cabinet overtemperature e Transformer overtemperature Diode overtemperature insulation resistance of the PV system is lower than the set threshold value e tripped Corrective measures Check function of cooling fans Clean or replace clogged air filters e Ambient or cooling air temperature too high e Check insulation resistance of PV generator e Inthe event of an insulation fault separate and connect individual strings to detect the faulty one Check the function of the ground fault monitoring system e Check GFDI see additional documentation in the download area at www SMA de en User Manual SC BEN 100262 87 Troubleshooting and Problem Solving SMA Solar Technology AG Description Error text Error type 4 Emergency shutdown activated Cause of error Inverter s own emergency shut off has been pressed Corrective measures Deactivate the emergency shut off and clear the fault as described in Section 15 2 Clearing Errors page 93 209 Error text Error type 4 DC Short circuit Cause of error An internal short circuit in the inverter has been detected on the DC side The DC main switch has been switched off Corrective measures Check the Sunny Centr
67. rrors 1 Rectify the cause of the error 2 Select Operating data gt Faults gt Current Faults i J 3 Press ENTER p Faultz i Active fault or warning If a fault or warning is present it is displayed with the date and time of its occurrence V The display begins to blink 4 Press once The word quit appears in the display 5 To quit the error press ENTER twice M The error is now cleared The message shown on the right appears in the display User Manual D Hotual Faults Dhuuit Functian mu EL x bp pn nno SC BEN 100262 93 Contact SMA Solar Technology AG 16 Contact If you have technical problems concerning our products please contact the SMA Serviceline We require the following information in order to provide you with the necessary assistance of Sunny Central Sunny Central serial number and number of the connected modules e Communication type e Fault or warning number displayed e Display message in Sunny Central Control SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 299 Fax 49 561 9522 3299 SunnyCentral Service SMA de www SMA de 94 SC BEN100262 User Manual SMA Solar Technology AG Legal Restrictions The information contained in this document is the property of SMA Solar Technology AG Publishing its content either partially or in full requires the written permission of SM
68. set using the example of ExtSollrr 1 Detecting external sensors as described Section 9 1 Detecting External Sensors 49 2 Set ctrl ExtSollrr to on to activate the analog SEE input for the sensor ctrl Ext5ollrr 3 Select a measurement range for the analog sensor e g EJ Ove Lal The displayed value is calculated by means of the Fkt Extool irr following te the value measured by the sensor the value indicated for gain the value indicated for offset 4 Calculate the gain factor and the offset The gain factor is obtained by dividing the display range by the measured range Gain factor display range measured range The offset is calculated by subtracting the product of gain factor x lower limit of measured range from the lower limit of the display range Offset lower limit of display range gain factor x lower limit of measured range Formulae M is a value measured in a range between MI and Mu D is the value to be displayed in a range between Dl and Du Gain G Du DI Mu MI Offset O DI Gx MI Display on the Sunny Central Control D Gx M O Explanation of the abbreviations used M MI G Du 50 measured value Mu upper limit of measured range lower limit of measured range Offset Gain D Display value upper limit of display range DI lower limit of display range SC BEN100262 User Manual SMA Solar Technology AG Example calculation pyran
69. sible User Manual SC BEN 100262 77 Sunny Team optional SMA Solar Technology AG Failure of a Sunny Central If a fault occurs in a Sunny Central team operation is immediately interrupted and the DC contactor opens The Sunny Centrals operate separately until the error is cleared If a failure is present for more than 60 minutes team operation is possible under the following conditions e Communication system is running DC contactor works Sunny Central is switched on with the key switch Team operation is not possible if one of the following faults is present Failure 201 ground fault or overtemperature e Failure 206 Emergency shut off Emergency shut off actuated If these requirements are fulfilled the Sunny Central not displaying the failure will feed the entire system power into the public grid 14 6 Disable Team Mode If you do not want to run the two Sunny Centrals in team operation you can disable the team mode The team mode must be deactivated on both the Sunny Centrals in the team Proceed as follows 1 Enter the password as described in Section 5 6 Enter Password page 27 2 Select Device Setup gt Parameters gt Others gt Team function I Dither 1 The line below Team function starts to blink 3 Note the Sunny Central s current function in the team Retain this note in case the team mode needs to be reactivated Select deactivated with the button 5 Press ENTER
70. sultation with SMA Solar Technology e After work has been carried out on the Sunny Central Control it must be relocked in order to prevent any parameter alterations being carried out by third parties Grid parameters 1 Certain parameters enable you to set values which are relevant for grid security You must consult Sunny Central Service before making any changes to these parameters This chapter describes how you can adjust parameters at the Sunny Central Control You can adjust the parameters by any of the following options e At the Sunny Central with Sunny Central Control Onsite with a laptop and the Sunny Data Control software remote access from a PC with Sunny Data Control or via Sunny WebBox The Sunny Data Control or Sunny WebBox documentation describes how you can adjust parameters via Sunny Data Control or Sunny WebBox Please note that not all parameters can be adjusted via remote access Certain parameters can only be adjusted when the Sunny Central is in the Stop mode User Manual SC BEN 100262 39 Parameters SMA Solar Technology AG Change the parameters of the Sunny Central at the Sunny Central Control as described below N Enter the password as described in Section 5 6 Enter Password page 27 Select Device Set up gt Parameters UG i Cod iu iu m du nm in de Press ENTER to select the menu in which a parameter is to be changed Press EN
71. t the SMA Serviceline User Manual SC BEN 100262 91 Troubleshooting and Problem Solving SMA Solar Technology AG No Description 420 Error text Error type 3 ADAPSCP Overtemperature Cause of error Heat sink temperature is too high hardware threshold Corrective measures Check that the cooling fans of the inverter bridge are working properly Clean soiled air inlet or heat sink e Ambient or cooling air temperature too high If this error occurs frequently contact the SMA Serviceline 421 Error text Error type 2 ADAPSCP Overvoltage DC Voltage link Cause of error DC voltage is too high on the generator side hardware threshold Corrective measures e Immediately disconnect the PV generator from the Sunny Central Danger of damage to the Sunny Central e Check DC voltage e Check module wiring and system design 92 SC BEN100262 User Manual SMA Solar Technology AG 15 1 5 Events Troubleshooting and Problem Solving Event gt Explanation LVRT Low Voltage Ride Through is activated gt Netz Parameter Adjusting the grid parameters gt NSM Power limitation via NSM grid security management activated lt NSM Power limitation via NSM grid security management deactivated gt FRQ Derating Power limitation via frequency activated lt FRQ Derating Power limitation via frequency deactivated 15 2 Clearing E
72. the Sunny Central Shut down requ Parameters for the controlled shutdown of the Sunny Central Grid Monitor Parameters for grid conditions Other Various additional functions SC BEN100262 User Manual SMA Solar Technology AG Parameters 7 1 Description of the Parameter Functions The following parameters can be found in the menus Parameters marked with may only be changed after consultation with SMA Solar Technology Some parameters are preset by SMA Solar Technology and cannot be changed Parameters Description of function P WMod This parameter is used to select the procedure for limiting active power PW This parameter is used to manually preset the active power limit in kW P WNom This parameter is used to manually preset the active power limit in percent Pac nominal Nominal active power of the Sunny Central Pac max This parameter is used to restrict the active power This is necessary for example if the feed in power has to be limited at the grid node Smax Maximum permissible apparent feed in power VRig This parameter specifies the nominal line voltage of the public grid All voltage data given as a percentage refers to this nominal voltage 100 VRig VCtlhLim Threshold value for triggering at overvoltage in Level 1 VCilhLimTm Triggering time for the threshold value at overvoltage in Level 1 VCtlhhLim Threshold value fo
73. the key switch is set to Start the Sunny Central goes into to the Wait mode The start voltage VpvStart must be adjusted to conform to the PV generator connected to the Sunny Central Check and adjust the start voltage as necessary If the input voltage is below the set start voltage VpvStart the Sunny Central remains Wait mode The value for VpvStart is shown in the display of Sunny Central Control If the input voltage is higher than the start voltage VpvStart the Sunny Central waits until the time defined in the parameter TStart has elapsed If the input voltage has not fallen below the start voltage VpvStart during this period the Sunny Central checks whether there is connection to the AC grid If there is a valid AC grid connection the AC contactor closes and the Sunny Central transfers to grid monitoring Grid Monitoring The grid is monitored for adherence to grid limits for the monitoring time GriGrdMonTm If the grid limits are not exceeded during this time the Sunny Central goes into the Startup mode Startup After completing grid monitoring the Sunny Central navigates to its first operating point and commences grid feed MPP load operation In MPP operation the Sunny Central feeds power to the grid and operates continuously at the maximum power point MPP Shutdown The Sunny Central shuts down switches off in the following cases e power measured during the time
74. tion can have various causes These will be described in this section Key switch set to STOP If one of the two Sunny Centrals is switched off team operation is not possible The Sunny Centrals connect individually to the grid Emergency shut off switch actuated Depending on the wiring option the emergency shut off switches of the Sunny Centrals in team operation are either interconnected or not interconnected SMA Solar Technology recommends connecting the emergency shut off switches of both Sunny Centrals in the team e Emergency shut off switches electrically interconnected Both Sunny Centrals change to Emergency shut off mode Neither grid feed nor team operation is possible e Emergency shutoff switches not interconnected no team operation The Sunny Central with the emergency shut off switch actuated switches to Emergency shut off mode Ifthe second Sunny Central is the team manager it willl remain in its current operating mode Team operation is not possible Emergency shut off switches not interconnected team operation The Sunny Central with the emergency shut off switch actuated switches to Emergency shut off mode The second Sunny Central is the team manager and was in Wait mode It feeds the energy from its PV generator into the public grid Team operation is not possible The second Sunny Central is the team manager and was not in Wait mode Neither grid feed nor team operation is pos
75. tral has fed into the grid on the current day This is the energy generated from the time the Sunny Central starts operating in the morning to the moment of the reading 44 SC BEN100262 User Manual SMA Solar Technology AG 8 3 2 Hourly Report Errors Warnings and Events The hourly report Errors Warnings and Events can contain the following information Von lt MEINE ANLAGE An lt MAX MUSTERMANN de gt Datum 30 04 2009 11 02 Betreff SUNNY MAIL FIX Fehler 4 Warn 2 Warn SMU ABSENDER MEINE ANLAGE EMPFAENGER FIRMA XYZ SOLAR HERR MUSTERMANN STUNDENBERICHT 30 04 2009 11 02 FEHLER ID GERAET SERIENNUMMER DATUM ZEIT SC SCC Test 0139100163 SC SCC Test 0139100163 SC SCC Test 0139100163 SC SCC Test 0139100163 WARNUNG EN ID GERAET SERIENNUMMER DATUM ZEIT 30 04 09 10 24 30 04 09 10 24 30 04 09 10 24 30 04 09 10 24 MELDUNG lt Stoerung 400 lt Stoerung 110 gt Stoerung 400 gt Stoerung 110 MELDUNG Sending Data SC SCCTest 0139100163 30 04 09 11 01 gt Warnung 681 SC SCC Test 0139100163 30 04 09 11 00 lt Warung 681 EVENTS ID GERAET SERIENNUMMER DATUM ZEIT MELDUNG SC SCCTest 0139100163 30 04 09 11 01 gt NSM SC SCCTest 0139100163 30 04 09 11 00 lt NSM SC SCC Test 0139100163 30 04 09 10 59 gt NSM SC SCCTest 0139100163 30 04 09 10 59 lt NSM SC SCCTest 0139100163 30 04 09 10 56 gt NSM SC SCC Test 0139100163 30 0
76. ty for direct or indirect damages arising from the use of software developed by SMA Solar Technology AG This also applies to the provision or non provision of support activities Supplied software not developed by SMA Solar Technology AG is subject to the respective licensing and liability agreements of the manufacturer SMA Factory Warranty The current guarantee conditions come enclosed with your device These are also available online at www SMA de and can be downloaded or are available on paper from the usual sales channels if required Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by SMA Solar Technology is under license SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E Mail info SMA de 2004 to 2010 SMA Solar Technology AG All rights reserved User Manual SC BEN100262 95 SMA Solar Technology AG
77. unctions of the Control Buttons 20 Description of the Display Symbols 0 0 0 eese 21 o RH eto Oe Dus 22 Display Messages During 22 SCBEN100262 3 Table of Contents SMA Solar Technology AG 5 2 5 2 1 5 2 2 5 2 3 5 2 4 5 3 5 4 5 5 5 6 5 7 5 8 6 6 1 6 2 6 3 6 3 1 6 3 2 6 4 7 1 7 2 7 3 7 4 7 5 8 1 8 2 Overview xk v taurine Madd aca ode lad 22 Operatingidaten rasen 22 Spot Values ul a re E a ARD ANDRE 23 Long Term Data sic eden RR ne a ARR PEST ewes A 24 Device Setup un uns aaa dee dare Pr Hi Dee d edet d 24 Adjusting the Display 26 Setting the Language 26 Changing the Date and 26 Enter PassWord gas Coo I A bI eb E d 27 Display Firmware 27 Deleting the Daily Values of the Energy Yield 28 Measuring 5 29 Adding Further Measurement 31 Resetting the Display of Measurement Channels to the Factory SINC o sese ur ease edes ae eas cab og ae 3l Retrieving Measurement Data 32 Retrieving Measurement Data at the Sunny Central Control 32 Retrieving Measurement Data via Sunny Data Control 32 Deleting Measurement D
78. urns Even in cases of failure the Sunny Central can retain high voltages e Only qualified technical personnel may perform any of the work described in this section Qualified means that the personnel must possess training relevant to the activity performed Work on the Sunny Central must only be carried out as described in this manual e Comply with all the listed safety instructions All the safety instructions in the Sunny Central installation guide must be observed e If the fault cannot be rectified with the help of this manual contact SMA Solar Technology immediately IF a fault occurs during operation the Sunny Central will shut down and the fault will be displayed by the Sunny Central Control If several faults or warnings are present the Sunny Central Control displays the fault which has the highest priority It alternates between the standard view and the fault message A fault appears in the display as follows Marker Description A Fault or warning number B Reason for the fault or warning in plain text 80 SC BEN100262 User Manual SMA Solar Technology AG 15 1 Fault Diagnosis 15 1 1 Categories of Faults and Warnings The fault and warning numbers are allocated to different areas Troubleshooting and Problem Solving Number Area 100 to 179 Grid faults 180 to 199 Grid warnings 200 to 279 Sunny Central hardware faults 2
79. xt Error type 3 PV Overvoltage Cause of error DC voltage is too high on the generator side Corrective measures e Immediately disconnect the PV generator from the Sunny Central Danger of damage to the Sunny Central e Check DC voltage e Check module wiring and system design 90 SC BEN100262 User Manual SMA Solar Technology AG Troubleshooting and Problem Solving Description Error text Error type 3 IGBT Stack Temperature Cause of error Heat sink temperature is too high software Corrective measures Check that the cooling fans of the inverter bridge are working properly e Clean soiled air inlet or heat sink e Ambient or cooling air temperature too high If this error occurs frequently contact the SMA Serviceline 410 Error text Error type 3 IGBT Stack Error Sum Cause of error Internal inverter bridge fault e g DC overvoltage overtemperature defective driver overcurrent Corrective measures If this error occurs frequently contact the SMA Serviceline 411 Error text Error type 3 IGBT Overcurrent or UVW Phase Error ADAPSCP Cause of error Internal inverter bridge fault Corrective measures If this error occurs frequently contact the SMA Serviceline 412 Error text Error type 3 Overcurrent Cause of error Internal inverter bridge fault Corrective measures If this error occurs frequently contac
80. xtAlarm Adjustable Meaning deactivated Sensor is deactivated Active High Alarm is triggered if 24 V are present at the alarm input terminal Active Low Alarm is triggered if O V are present at the alarm input terminal Email when alarm is triggered 1 If you have activated the email report for Warnings you will receive an email immediately after the alarm has triggered User Manual SC BEN100262 53 54 Analog Inputs SMA Solar Technology AG 9 4 2 Activating TmpExt C The analog input TmpExt C is preconfigured for the connection of a temperature sensor Activate or deactivate the analog input as described below 1 Open the detailed view of the sensor as described in Section 9 1 Detecting External Sensors page 49 2 Activating or deactivating the sensor ctrl TmpExt C Adjustable Meaning off Sensor deactivated on Sensor activated After the sensor has been activated it is displayed under Spot Values gt Other Also see Section 9 3 2 Displaying Sensor Values page 53 SC BEN 100262 User Manual SMA Solar Technology AG Active Power Limitation 1O Active Power Limitation There are 3 different methods of limiting active power You have the option of specifying a setpoint via the ExtSolP analog input or via a Sunny WebBox in connection with a Power Reducer Box You can also set the limitation manually You also have the option of setting a frequency dependent
81. xternal safety features are freely accessible at all times and that they function correctly 10 SC BEN100262 User Manual SMA Solar Technology AG 2 3 Identifying the Sunny Central Safety Identify the Sunny Central by the serial number and the device type on the type plate The type label is situated on the inside of the door The serial number A is also located on the front side of the Sunny Central User Manual ef SC BEN 100262 Ps Lt Safety SMA Solar Technology AG 2 4 Operating Modes After switch on the Sunny Central runs through the different modes illustrated below When switched off the Sunny Central is in the Stop mode By turning the key switch the Sunny Central goes into to the Wait mode Failure gt VpvStart Start switch and gt TStart and grid limits reached No fault Leave grid limits Failure Grid Shutdown monitoring Failure Leave grid limits Grid monitoring time reached Ppv PpvStop and T gt TStop or Stop switch Startup completed MPP load Failure operation Startup Failure 12 SC BEN100262 User Manual SMA Solar Technology AG Safety Operating mode Explanation Stop The Sunny Central is switched off The Sunny Central remains in this condition until the key switch is turned to Start Wait If
82. y shutoff switch is actuated under load Frequent use of the emergency shut off switch can cause stress related damage to individual components Only use the emergency shutoff switch in an emergency e Switch off the Sunny Central with the key switch The emergency shut off switch immediately disconnects the Sunny Central from the grid and the PV generator thus putting the Sunny Central in a safe state By pressing the emergency shutoff switch the device is locked in the Off position The emergency shut off switch can only be deactivated with the appropriate key In addition the activation of the emergency shutoff switch must be cleared using Sunny Central Control or Sunny Data Control You can install an external emergency shutoff switch on each Sunny Central or connect several Sunny Centrals via a shared emergency shut off switch 18 SC BEN100262 User Manual SMA Solar Technology AG Control Elements 4 3 Sunny Central Control Sunny Central settings can be adjusted by means of the Sunny Central Control The functions performed by Sunny Central Control can be summarized as follows e Control of the Sunny Central operation Display of current measured values Changing the parameters of the Sunny Central e Maximum power point MPP tracking Collection and archiving of measurement data Remote access capability with NET Piggy Back Connection of external sensors The Sunny Central Control is mounted at eye level

SUNNY CENTRAL 200 / 250 / 350 / 500 / 560

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