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Sunways AT 2700, User Manual

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41

Networking via RS485 interface

RS485GND

RS485

+

RS485

–

RS485GND

RS485

+

RS485

–

RS485

+

RS485

–

RS485

+

RS485

–

Networking solar inverters via    
RS485 interface
If you want to monitor a solar system 
with Sunways Solar Inverters both the NT 
series and the AT series together, then 
you can use the RS485 interface integrat-
ed in the solar inverters for this purpose. 
This function is supported from AT Com-
munication Software Version 2.0002. If 
necessary, carry out a software update 
(see the chapter Software Update). The 
system networked with the RS485 inter-
face can be monitored with the Sunways 
Communicator.

 

Use a twisted two-wire cable to network 
the solar inverters with each other.

Mount the terminating resistor on the 
last solar inverter. 
NT 10000: RS485MATCH jumper, 
NT 2600...NT 6000: JP400 jumper

NT 10000

NT 2600...
NT 6000

AT Serie

AT Serie

Sunways
Communicator

Summary of Contents for AT 2700

Page 1: ...User Manual for Sunways Solar Inverter AT 5000 AT 4500 AT 3600 AT 2700...

Page 2: ...erating field with LCD display oper ating LED and keyboard 2 DC connections 3 DC load break switch 4 Rating plate 5 AC connection 6 Communication interfaces 350 585 205 1 2 2 3 4 5 6 1 8 7 9 13 12 11...

Page 3: ...reased safety at the operating site of the solar inverter Introduction Thank you for deciding in favour of a Sunways Solar Inverter of the AT Series In doing so you have purchased an inno vative high...

Page 4: ...he applicable copyright laws and will be prosecuted We reserve the right to make technical changes which serve to improve the unit or which increase the safety standard even without separate prior not...

Page 5: ...ual 18 Symbols 19 2 3 Basic safety measures 20 2 4 Safety concept 20 3 0 Installation 22 3 1 Mechanical installation 23 Requirements for installation location 23 Installation 25 3 2 Electrical install...

Page 6: ...67 Yields Solar system 67 Events Solar system 68 History Solar system 68 System info Solar system 69 Settings General 70 Settings Login 71 Settings Network 72 5 4 Malfunction displays 73 6 0 System mo...

Page 7: ...9 6 11 Internet dial in via modem 120 Modem settings 120 Email settings 122 6 12 Active alerting 124 General information 124 Alerting settings 125 6 13 Sunways portal connection 126 General informatio...

Page 8: ...1 0 Product Description...

Page 9: ...doubt always ask your module manufacturer about a release 1 2 Function description Conversion from direct into alternating current The AT Solar Inverter converts the direct current produced by the so...

Page 10: ...tions feeding is immediately interrupted and the solar inverter discon nects from the grid by triggering the grid relay Design of solar inverter The principle design of the AT Solar In verters can be...

Page 11: ...11 Block diagram L1 L2 L3 PE N L1 L2 L3 PE N DC DC Control and monitoring DC actuator HERIC inverter Solar generator Grid...

Page 12: ...the celestial alignment of the modules A maximum yield is achieved in Central Europe with a module slope of 30 to the vertical and direction of the solar generator field directly to the south The outp...

Page 13: ...your PV system consists of the following components 1 Solar generator 2 Solar inverter with integrated DC load break switch 3 Mains fuse and energy meter Options 4 Irradiation sensor with integrated...

Page 14: ...ld with LCD display operating LED and keyboard 2 DC connections 3 DC load break switch 4 Rating plate 5 AC connection 6 Communication interfaces 350 585 205 1 2 2 3 4 5 6 1 8 7 9 13 12 11 10 6 1 4 Ass...

Page 15: ...ry Before shipment our products are checked for proper condition Despite careful recyclable packing transport damage may occur for which the trans port company is generally responsible Please check th...

Page 16: ...16 2 0 Safety precautions...

Page 17: ...afety Precautions In addition the rules and regulations for accident prevention applicable for the operating site plant must be observed Dangers when handling the AT Solar Inverter The solar inverter...

Page 18: ...ion commissioning operation and maintenance Unauthorised constructional modifications Insufficient monitoring of wearing parts Improperly conducted repairs Catastrophes resulting from the effects of f...

Page 19: ...ed for the mains supply and from the PV generator before opening the housing The unit still carries life threatening voltage for approx five minutes internally and at the connection sockets of the PV...

Page 20: ...operation Check electrical equipment regularly Retighten loose connections Replace damaged lines cables immediately 2 4 Safety concept The following parameters are monitored and displayed continuously...

Page 21: ...ive equipment in accordance with overvolt age category III is provided on the grid and on the solar generator side Grid side varistors These protect the power semiconduc tors in case of high energy sh...

Page 22: ...22 3 0 Installation...

Page 23: ...to carry this weight in the long term Thermal interaction The installation surface must consist of flame retardant material not suitable surface of wood or plastic suitable con crete and masonry as t...

Page 24: ...omatically reduces its output The solar inverter should not be exposed to direct sunlight to protect it from un necessary external warming Protection against moisture and foreign bodies The high prote...

Page 25: ...ll the holes with a 10 mm dia drill bit 3 Install the wall bracket with corre sponding screws and dowels depend ing on the surface condition 4 Unscrew the locking screw of the solar inverter at the lo...

Page 26: ...e and short circuit current mea surement Check using the rating plate on the solar inverter whether it is approved for the maximum solar generator voltage The positive and negative lines must be kept...

Page 27: ...onnec tion system accessible from outside The solar inverter has two electrically connected DC inputs which are arranged in pairs on the underside The solar generator strings must be iden tically dime...

Page 28: ...onnector The neutral connector can be used to connect both positively and negatively coded sockets Installation Extreme danger from electric shock Touching live parts can result in death All electrica...

Page 29: ...he crimping of the contacts Therefore extreme care must be taken to achieve proper processing during as sembly Various circular contacts are used for different conductor cross sections with the Tyco S...

Page 30: ...nnector housing 4 Tightening the cable gland with 1 5 Nm Handling The positively negatively coded connec tors are marked with polarity symbols and a coloured ring blue negative red positive They are e...

Page 31: ...e connectors may not be separated while under load The circuit must be opened at a suitable point for this pur pose Release the locking device by pressing on the ribbing of the locking hooks and pulli...

Page 32: ...32 Connection example 1 Solar module box 2 Negatively coded socket 3 Negatively coded plug 4 Positively coded socket 5 Neutral connector 6 Solar inverter 2 3 5 4 5 2 5 2 2 4 1 1 1 6 N N N...

Page 33: ...witching off the corresponding mains fuse If the voltage on the AC connection ex ceeds the permissible value due to a long line length or an insufficient cable cross section the solar inverter will di...

Page 34: ...Mains fuse A corresponding circuit breaker is recom mended as a line protection element in the grid feed direction AT 2700 3 x 16 A AT 3600 3 x 25 A AT 4500 3 x 25 A AT 5000 3 x 32 A with slow blow ch...

Page 35: ...lar inverter to the public power grid 3 phase AC grid e g Germany 1 phase AC grid e g Italy Spain CAUTION Observe the regional regulations for the grid connection In Germany the grid connection must a...

Page 36: ...grid connection 3 phase AC connection PE N L3 L2 L1 1 2 4 3 1 2 4 3 1 2 4 3 1 phase grid connection AC connection PE N L1 1 2 4 3 1 2 4 3 1 2 4 3 Inverter 1 Inverter 2 Inverter 3 Inverter 1 Inverter 2...

Page 37: ...h a cable sheath diameter from 16 to 20 mm the cable gland must be adapted accordingly To do this cut out the inner section of the blue sealing ring 2 Slid the cable gland and the plug housing onto th...

Page 38: ...plug To do this press the outer ring of the plug toward the plug housing Tightening torque 1 2 Nm 5 Tighten the cable gland Make sure the line is provided with a strain relief device When using cables...

Page 39: ...3 3 Installing communication The interfaces are located behind the weatherproof connection box on the underside of the solar inverter 1 2 To open the connection box loose the centre screw Then carefu...

Page 40: ...d Ethernet cable to net work the solar inverters with each other One terminating resistor 1 must be on the first and last solar inverter in the se ries The pluggable terminating resistors are containe...

Page 41: ...inverters for this purpose This function is supported from AT Com munication Software Version 2 0002 If necessary carry out a software update see the chapter Software Update The system networked with...

Page 42: ...e yields as a sum to a large display The S0 interface is adjusted via the display on the inverter Go to the menu Settings Network Interfaces Please note that the maximum pulse rate may not be greater...

Page 43: ...nternal data memory as a 5 minute mean value This additional measuring unit helps analyse the system output Based on the values any errors on the PV generator e g shading or fail ure of solar cells ca...

Page 44: ...alled by the device This ensures a faster more reliable indication of a possible fault in the PV system on site For PV systems with several solar invert ers the individual relays can be switched in pa...

Page 45: ...ator lamp green When dimensioning the cross section also take the current consumption of the connected signalling unit into account The solar inverter is supplied by the feed in phase from the AC grid...

Page 46: ...46 4 0 Commissioning...

Page 47: ...The DC load break switch must be quickly switched to the switching position 0 The solar inverter is supplied from the grid The solar inverter switches on au tomatically when sufficient solar genera t...

Page 48: ...te The commissioning menu opens when the solar inverter is connected for the first time Switching off 1 Disconnect the solar generator side by quickly opening the DC load break switch switching positi...

Page 49: ...gs For a better understanding of keyboard operation please also see the chapter Operation The commissioning of the solar inverter as a single unit a main unit and secondary units with several networke...

Page 50: ...af fect data logging For example if you set the time back by 1 hour then the existing data will be overwritten Select time with Change selected number with and jump to next number with Commissioning s...

Page 51: ...sioning Confirm overview with Apply set time with and set date in same way as time Apply set date with 5 Set password Select password with Default password is A new password can be set with as an opti...

Page 52: ...ves Commissioning several networked units Before commissioning all units must be interconnected via the CAN bus interface See the chapter Networking solar invert ers via CAN bus Switch on all units fo...

Page 53: ...n nected secondary unit these must be configured before commissioning of the main unit is continued 4 Set data and time centrally for all connected units Please note that time settings should only be...

Page 54: ...the Request next high est free ID from main unit with or next lowest free ID with Confirm CAN ID with With these IDs the data of the individual secondary units can be assigned in the web interface and...

Page 55: ...ion of commissioning Confirm overview with 3 Carry out commissioning for all other slaves as described above Later commissioning If you add new unit or replace existing ones in your solar system then...

Page 56: ...56 5 0 Operation...

Page 57: ...d operation the momentary output daily yield and status are displayed The bar graph shows the energy feed in of the current day Press any key to activate the display light ing If no key is pressed for...

Page 58: ...lect menu item key Back one menu level key Select menu item and confirm your entries key Cancel Operating LED The combined red green LED indicates the unit status of the solar inverter LED off Solar i...

Page 59: ...the following messages MPP Feeding in MPP mode AC cur lim Feeding with AC current limitation DC cur lim Feeding with DC current limitation Temp lim Feeding with temperature limitation Output lim Feedi...

Page 60: ...verter number An M means that the error has occurred on the main unit The various functions are accessed via the menu The main menu is opened from the standard screen by pressing the ESC key twice You...

Page 61: ...word must be entered to access this area All settings can be made which are required for installation and commissioning of the solar inverter The password for the customer area is The password is pres...

Page 62: ...eld Events History Information Instantaneous values Energy yield Events History System info General information Login Network Commissioning Yield for week Yield for 15 days Yield for month Total outpu...

Page 63: ...ot made any entries with the keyboard for several minutes Solar inverter Instantane ous values Display of voltages and cur rents from solar generator and grid Solar inverter Instantane ous values Inte...

Page 64: ...Solar inverter Energy yield Events Unit Select starting data for event display Solar inverter Events Display event list Solar inverter Events Display event details error number data starting time dura...

Page 65: ...story Yield for week Daily yields for 15 days Solar inverter History Yield for 15 days Monthly yields Solar inverter History Yield for month AC output 5 min values Solar inverter History AC output DC...

Page 66: ...istory DC values AC current 5 min values Solar inverter History AC values AC voltage 5 min values Solar inverter History AC values Information Unit Firmware Solar inverter Informa tion Firmware Memory...

Page 67: ...appears on the main unit automatically when you do not make any entries with the keyboard for several minutes Solar system Instantaneous values Yields Solar system only on main unit AC system yields...

Page 68: ...ystem Solar system Events Display event details error number data starting time duration and number of oc currences per day Solar system Events Enter Enter History Solar system only on main unit Solar...

Page 69: ...month Solar system AC output 5 min values Solar system History AC output System info Solar system only on main unit Unit list for selecting a unit Solar system System info Selection of information Sol...

Page 70: ...m info Memory Device mode Solar system System info Mode Settings General Display language Settings General Language LCD contrast Settings General LCD contrast Set date time only possible with customer...

Page 71: ...the night mode via the network only possible with customer password Settings General Receiving time Changing the customer password only possible with customer password Settings General Password Setti...

Page 72: ...faces Network settings Screen 1 Activate DHCP for the auto matic IP address setting or enter IP address manually Settings Network Ethernet Network settings Screen 2 Settings Network Ethernet Have CAN...

Page 73: ...n the area of the solar generator 2 Error in the area of the AC network 3 Error in the area of the inverter 4 Error in the area of the interfaces com munication 9 Service error If an error is shown in...

Page 74: ...oo many modules are con nected in series Reduce the number of mo dules and carry out commis sioning again 102 Insulation Before each connection your solar inverter checks the PV sys tem for a possible...

Page 75: ...ed an absolute residual current of 300 mA A residual current greater than 300 mA has occurred during operation of the solar inverter Check your PV system for possible insulation faults 201 Surgef Your...

Page 76: ...vol tage is within the permissible range The mode of operation is conformant with DIN VDE 0126 1 1 The cable cross section in the AC supply line to the solar inverter is too small Your inverter feeds...

Page 77: ...g and does not start up again until the voltage value drops below the maxi mum permissible limit The cable cross section in the AC supply line to the solar inverter is too small Your inverter feeds in...

Page 78: ...0 V the solar inverter cannot be supplied Ask your Electric Utility about grid stability and de sign 205 UAC2 Max Your solar inverter is equipped with a three phase voltage monitoring function accordi...

Page 79: ...til the voltage value exceeds the minimum permis sible limit Ask your Electric Utility about grid stability and de sign 207 UAC3 Max Your solar inverter is equipped with a three phase voltage monitori...

Page 80: ...he voltage value exceeds the minimum permis sible limit Ask your Electric Utility about grid stability and de sign 209 Isol op You solar inverter is equipped with a high quality redundant grid monitor...

Page 81: ...does not start up again un til the value is below the limit Ask your Electric Utility about grid stability and de sign 211 Frq1 Min The solar inverter continually monitors the grid frequency of the p...

Page 82: ...provided on the back of the manual 213 UAC1 10 Warning The voltage of the phase feeding in is higher than 10 above the nominal value If this is the case for longer than ten minutes the inverter stops...

Page 83: ...phone number is provided on the back of the manual 302 Monit The AT solar inverter is equipped with a redundant monitoring unit which con stantly checks the measured values of the controller for plaus...

Page 84: ...er the heat sink tempera ture drops the solar inverter starts up again automatically The maximum permissible ambient temperature has been exceeded The installation location is not suitable Please find...

Page 85: ...still occurs please contact the technical hotline The phone number is provided on the back of the manual 305 AFI Test The AT solar inverter checks the operation of its residual cur rent monitoring un...

Page 86: ...s a value outside its value range or in case of a sensor cable break The ambient temperature of the solar inverter is outside the permissible range 25 C Wait until the temperature reaches the permissi...

Page 87: ...warning appears when the current heat sink temperature is just below the switch off threshold The maximum permissible ambient temperature has been exceeded The installation location is not suitable P...

Page 88: ...ber is provided on the back of the manual 402 SD Card The SD card is write protected Restart the solar inverter If the error still occurs please contact the technical hotline The phone number is provi...

Page 89: ...istors Check whether the maxi mum permissible line lengths have been complied with Check whether the bus lines have been routed parallel to power cables Separate bus lines and power cable from each ot...

Page 90: ...the connection to your sensor If you have not connected a sensor Check the configuration with the Sunways Browser 407 Temp Warning No sensor found on sensor channel 2 temperature If you have connected...

Page 91: ...eck whether all connec tors of the bus lines and the terminating resistors are properly mounted Check whether the bus lines have been routed parallel to power cables Separate bus lines and power cable...

Page 92: ...server 411 SMTP Soc SMTP no socket available Internal error or problem when addressing the server no remedy available 412 SMTP Co SMTP faulty communication with server Check the Email settings with th...

Page 93: ...portal address www meteocontrol de and the mailbox file extern sunways pobox php in the configuration of the system monitoring 415 HTTP Aut HTTP client authorisation has failed Internal error or probl...

Page 94: ...error or problem when addressing the server no remedy available 420 HTTP Pro HTTP client error with protocol Internal error or problem when addressing the server no remedy available 421 HTTP Wri HTTP...

Page 95: ...vice A service error has occurred Disconnect the solar inverter from the grid and from the solar generator and recon nect it If the error occurs again please contact the technical hotline The phone nu...

Page 96: ...96 6 0 System monitoring...

Page 97: ...ave occurred in the solar system to a selected recipient by Email With the Sunways Portal connection the AT solar inverter can send the operating data of your solar system to the Sunways Portal daily...

Page 98: ...s Messages Qty Value 200 Status changes 6 2 Integrated data logger The integrated data logger of the AT solar inverter stores the operating data of your solar system In addition to 5 minute mean value...

Page 99: ...ec tion cable of the type CAT5 with RJ45 sockets automatic detection or with the included Ethernet cable The PC is connected to the main unit as standard To always find the suitable configuration for...

Page 100: ...f the IP address takes place It is possible to activate the DHCP protocol via the menu Settings IP addresses may not be assigned twice within the network 1 Open the menu Settings Login 2 Enter the def...

Page 101: ...Sunways Browser by entering the IP address of the solar inverter in the address line of your web browser 6 5 Network settings on PC To enable your PC to communicate with the solar inverter you must m...

Page 102: ...102 1 Select Start Settings 2 Select Network Connections 3 Double click on the LAN connection via which you are connected to the solar inverter...

Page 103: ...103 4 Click in the Status window on Properties 5 Mark Internet Protocol TCP IP and click on Properties again...

Page 104: ...n unused IP address 192 168 30 XXX and enter the subnet mask 255 255 255 0 7 Click on OK to confirm your entries 8 In the menu item Status you can check the correctness of your entries and the status...

Page 105: ...sts then you can integrate the AT solar inverter directly in the network as a net work user Connect your PC and the solar inverter with a CAT5 Ethernet cable with RJ45 sockets 1 1 for a hub or crossed...

Page 106: ...k administrator for the necessary settings for IP address net mask and gateway After the network configuration is com pleted you can start the Sunways Browser by entering the IP address of the solar i...

Page 107: ...e g at www dyndns org 3 Create a so called alias for the access to your solar inverter e g at sunways dyndns org You can access your solar inverter later via this address 4 Configure your DSL modem o...

Page 108: ...your solar inverter and the remote modem with a crossed or 1 1 Ethernet connection cable of the type CAT5 with RJ45 sockets The main unit is connected to the remote modem as standard 2 Connect an exte...

Page 109: ...in Windows The procedure under Windows XP is shown in the following 1 Run the wizard for a new connection with Start Settings Network Con nections The first selection screen is opened with Continue 2...

Page 110: ...Sunways Solar Inverter When entering the telephone number you may need to include one or more digits to connect to an outside line An outside line is usually obtained by placing a 0 before the actual...

Page 111: ...desktop and then select Finish 9 The connection window appears automatically after finishing the con nection As an alternative via the icon on your desktop or via Start Settings Network Connections H...

Page 112: ...rties 11 Enter the following data Obtain an IP address automatically Obtain DNS server address automati cally The PC is automatically assigned an IP address by the solar inverter while dialling in Thi...

Page 113: ...s the password in the con nection window The password matches the customer pass word on the unit 13 The connection is established with Dial After the connection is established you can start the Sunway...

Page 114: ...la Firefox One of the four possible connec tions between a PC and the solar inverter is possible for this purpose Direct connection via an Ethernet cable Connection via an existing Ethernet network Co...

Page 115: ...ime interface configuration alerting options com munication parameters etc Software update of the communica tion software LCD display interfaces communication and Sunways Browser and of the control so...

Page 116: ...olar Inverter Display of the instantaneous values stored operating data status of the solar inverter Solar System Display of the system overview with status total output and yields and access to secon...

Page 117: ...n automat ically synchronise the time of the solar inverter with a time server with the NTP button As an alternative you can also transmit the PC time to the solar inverter Please note that time setti...

Page 118: ...upper section of the screen you see the software versions that are currently running If a new version is made available on our website www sunways de then you can download this file and load it via t...

Page 119: ...ommunication software is being up dated Distributing software update to net worked units If there is a CAN bus connection between several solar inverters of the AT series you can automatically distrib...

Page 120: ...accordingly via the Sunways Browser Therefore first establish a connection between your PC and the solar inverter see the chapter Direct Ethernet con nection With the web browser you can then make the...

Page 121: ...etwork connection then you must set another PPP IP Your PC automatically receives the PPP IP increased by 1 as the IP address of the dial up connection When dialling into the Internet via a dial up ne...

Page 122: ...g in was successful Before conducting the modem test the settings must be stored in the solar in verter with Send Email settings To enable the solar inverter to send Emails the Email setting must be s...

Page 123: ...TP password Password from your Email provider max of 20 characters Function buttons Via SMTP Test you can have a test Email sent to the Email address stored for active alerting Before conducting the S...

Page 124: ...full hour which is sent to the Email ad dress stored in the solar inverter The main unit sends the status messages of all solar inverters if they are CAN net worked Requirements Communication softwar...

Page 125: ...on Active alerting Activation or deactivation of the active alerting function Email address In the Email address field you enter the Email address to which the messages are to be sent Function buttons...

Page 126: ...ed off for the night The interval can also be set shorter as an alternative If a change is made to your solar system e g additional unit then the change is automatically reported to the Sunways Portal...

Page 127: ...Portal Mailbox file Preset for the Sunways Portal System ID System ID assigned by the portal This is automatically entered following the por tal activation of the solar inverter Portal Email Preset f...

Page 128: ...d User Email and an SMS if you have entered your mobile phone number in the field User SMS Before the portal test you must transmit the settings to your solar inverter with Transmit If the test was su...

Page 129: ...129...

Page 130: ...130 7 0 Appendix...

Page 131: ...s 1 AC output Rated AC output power 5000 W 4500 W 3600 W 2700 W Maximum AC power 5000 W 4500 W 3600 W 2700 W Nominal AC current 21 7 A 19 6 A 15 7 A 11 7 A Maximum AC current 23 0 A 21 0 A 17 0 A 12 5...

Page 132: ...European efficiency 95 0 95 0 94 9 94 7 MPP efficiency static 99 99 99 99 99 99 99 99 Switching concept HERIC FP topology transformerless Other DC switch internal mechanical Grid connection fuse layo...

Page 133: ...ient temperature 25 C 40 C at full load Overload behaviour working point adjustment Dimensions height x width x depth 59 x 35 x 21 cm Weight 29 kg Type of installation wall installation Noise developm...

Page 134: ...5 94 9 AT 4500 250 V 90 9 93 9 95 1 95 2 95 2 94 5 95 4 94 8 350 V 90 5 93 7 95 1 95 4 95 4 94 8 95 5 95 0 550 V 89 6 93 4 95 2 95 5 95 3 94 9 95 5 94 9 AT 3600 250 V 89 1 93 0 94 7 95 1 95 2 94 5 95...

Page 135: ...135 Efficiency of AT 5000 Output power W...

Page 136: ...136 Efficiency of AT 4500 Output power W...

Page 137: ...137 Efficiency of AT 3600 Output power W...

Page 138: ...138 Efficiency of AT 2700 Output power W...

Page 139: ...m or with any means with the prior written approval of Sunways AG Sunways AG shall assume no guaran tee for damage caused by faulty or lost data due to incorrect operation or the malfunction of the so...

Page 140: ......

Page 141: ...C F Werbung und Dokumentation Villingen Schwenningen www cundf de...

Page 142: ...oltaic Technology Macairestra e 3 5 78467 Konstanz Germany Phone 49 7531 996770 Fax 49 7531 99677444 email info sunways de www sunways de Technical Hotline Germany 49 7531 99677577 Spain 34 93 6652040...

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