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Technical Description - SMA CLUSTER CONTROLLER Modbus

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1. 17 idu aine ts 9 Serialinumber i Leo 21 Setpoint change Physical reaction 57 Signal run time Cluster 57 Skills Qualified 9 SMA Cluster Controller PV system 12 SMA data formats 18 SMA data types 17 SMA devices eoe eap ete 14 SMA fieldbus sss 8 11 Technical Description Index SMA inverters Supported inte nS 56 SMA Modbus profile Assignment tables 26 Explanation sss 11 Status values Data format 17 Supported SMA 56 tih en n eet 8 21 sysplant xml sse 23 System stability sss 57 T Table Common address of all SMA devices 32 Time zones Identification ses 58 Number codes sss 58 Topology d 11 U 016 17 032 217 17 Unit ID Architecture Charige iie Change via XML Delete Double Incorrect data Terminology ss Uniti IDS de eR EE Unit ID 2 Unit ID 3 bis 247 Unit IDs it es
2. sss 26 19 G teretes Cluster Controller H Hierarchical PV system structure 11 Identification Time zones 58 Intended sss 9 Internet anias to needs 10 IP address Cluster Controller 21 M Modbus Address range Implementation 2415 Parameter change 2 57 ss 915 Ports 56 Reaction time of interface aub Read Holding Registers 15 Read Input 15 Read Write Multiple Registers 16 Register 15 Specification 15 TEP Porti tet 56 DU DP Portk iens entes 56 66 ClusterController Modbus TB US en 15 SMA America LLC Write Multiple Registers 16 Write Single 15 Modbus activation Background information 20 Modbus address Reassignment see 52 Modbus 14 Modbus data Reading and 15 Modbus profile User defined Modbus registers Data block 15 Motorola format 15 N NaN 255 sse ed ctas 20 OvetVIew s e diit ennt 17 Network topology sss 11 Number code Table columns sss 26 Number codes ENUM 4
3. eerte 10 Product Description zone rette 11 331 Modbus Protocol HIER HIR HIER HIR HIR HEROS EDU 11 3 27 5 tt dtt dient dett 11 3 3 User Defined Modbus Profile sse 11 3 4 PV System Topology eR E E E 11 3 5 Addressing and Data Transmission in the Modbus Protocol 14 ST eR 14 3 5 2 Assignment of the Modbus Register to Unit IDs 14 3 5 3 Modbus Register Address Register Width and Data 15 3 5 4 Address Range for Modbus Register 15 3 5 5 Data Transmission css reete em rtp ret 15 3 6 Reading and Writing of Data eerte 15 2 7 SMA Data Type sions a A een ORO RUN TRAIN ERI Mrd 17 3 7 1 SMA Data Types and NaN Values seen 17 3 7 2 163Bit Integer Values 3 7 3 32 Bit Integer Values 3 74 64 Bit Integer Values 2 9 SMA Data Formals z tr tti e ERR B Commissioning and Configuration 4 1 Commissioning Steps and Requirements see 20 4 2 Information on Changing Unit IDs eene 20 4 3 Changing Unit IDs via the Gateway seen 21 4 3 1 Reading out the Gateway seen 21 4 3 2 Changing a Unit ID in the Gateway sse 22 4 4 Changing Unit IDs via the XML File usrplant xml
4. SMA America LLC 8 6 Frequently Used Number Codes ENUM The following table contains number codes which as function coding in data format ENUM are frequently used in the SMA Modbus profile 8 Event Numbers The event numbers displayed by the inverters under the Modbus address 30197 are device specific You cannot decrypt the event numbers with the number codes in this document see Section 7 Troubleshooting page 55 1390 1391 Active power limitation P via analog input Active power limitation P via digital inputs 1392 Error 1393 Wait for PV voltage 1394 Wait for valid AC grid 1395 1396 DC range AC grid 1455 1466 1467 Emergency switch Wait Start 1468 MPP search 1469 Shutdown 1470 Disturbance 1471 Warnning error e mail OK 1472 Warning error e mail not OK 1473 1474 System info e mail OK System info e mail not OK 1475 1476 Error e mail OK Error e mail not OK 1477 1478 Warning e mail OK Warning e mail not OK 1479 Wait after grid interruption 1480 Wait for electric utility company Code Meaning 51 Closed 276 Instantaneous value 295 MPP 303 308 309 Operation 311 Open 336 Contact the manvfacturer 337 Contact the installer 338 Invalid 381 Stop 455 Warning 461 SMA manufact
5. Technical Description Index Flash 9 31 57 D Data Presentation 2222 22 00 18 R dUCHON iet rie deed 11 Data block 5 aeo neo mei 15 Associated registers 16 Number of Modbus registers 15 Writing multiple registers 16 Data format eee ee et 18 Status values sss 17 Data processing sse 57 Data transfer CAPAI nenien 57 Interval 57 Transfer break Data types 217 Data volume Register 15 Deactivate usrplant xml see 24 Default settings Saving XML files sss 25 Delete Unit IDs rte 25 Device parameters Flash 9 31 57 Double assignment Urt IDin stet eene 22 TE Dieu or 18 D ratlon 18 DWORD iin etie 17 E ENUM ore dto Reus 18 60 Event numbers Information on decrypting 55 60 Extract Firmware version esses 19 F tendis 8 Figure ClusterController_Modbus TB US en 15 65 Index SMA devices on Modbus data range 11 Firmware version Extract a eai aed 19 d edi e s date 18 FX tid thao dote 18 Dou EE 18 FIXI iie ts id c ds 19 Flash memory Device parameters 9 31 57 Format Table column
6. without notice and shall not be responsible for any damages including indirect incidental or consequential damages caused by reliance on the material presented including but not limited to omissions typographical errors arithmetical errors or listing errors in the content material 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 America LLC and SMA Solar Technology Canada Inc is under license Modbus is a registered trademark of Schneider Electric and is licensed by the Modbus Organization Inc SMA America LLC 3801 N Havana Street Denver CO 80239 U S A SMA Solar Technology Canada Inc 2425 Matheson Blvd E 7th Floor Mississauga ON L4W 5K4 Canada 2 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Important Safety Instructions Important Safety Instructions SAVE THESE INSTRUCTIONS This manual contains important instructions for the following products SMA Cluster Controller This manual must be followed during installation and maintenance The product is designed and tested in accordance with international safety requirements but as with all electrical and electronic equipment certain precautions must be observed when installing and or operating the
7. you can see a commenting out applied to the line with the user defined Modbus profile lt lt device regoffs 0 susyid 128 serial 8700654300 unitid 3 gt gt 54 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Troubleshooting 7 Troubleshooting You can find information on error analysis of the SMA Modbus profile in Section 3 6 Reading and Writing of Data page 15 For troubleshooting of the SMA devices go to Modbus address 30197 and use the event numbers displayed here 1 The event numbers of the SMA devices cannot be decrypted with the number codes in this document The event numbers of the SMA devices are device specific and cannot be decrypted with the number codes in this document To decrypt the event numbers of low or medium power inverters you require additional information operating parameters measured values see Technical Description Measured Values and Parameters at www SMA Solar com To decrypt the event numbers of central inverters contact the SMA Service Line see Section 9 Contact page 61 Technical Description ClusterController_Modbus TB US en 15 55 Technical Data SMA America LLC 8 Technical Data 8 1 Supported SMA Inverters All inverters with integrated or retrofitted Speedwire Webconnect interfaces are supported Information on whether an inverter has an integrated Speedwire Webconnect interface or can be retrofitted with a Speedwire Webconne
8. 1 Decimal number commercially rounded no decimal place Factor 0 1 FIX Decimal number commercially rounded one decimal place Factor 0 01 FIX2 Decimal number commercially rounded two decimal places 18 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Product Description Factor 0 001 FIX3 Decimal number commercially rounded three decimal places FW Firmware version see Firmware version extract below RAW Text or number A RAW number has no decimal places and no thousand or other separation indicators Temperature TEMP Temperature values are stored in special Modbus registers in degrees Celsius C in degrees Fahrenheit F or in Kelvin The values are commercially rounded with one decimal place Firmware version extract format FW From the delivered DWORD four values are extracted The Major and Minor values are contained BCD coded in bytes 1 and 2 Byte 3 contains the Build value not BCD coded Byte 4 contains the Release Type value according to the following table Release type Release type coding Explanation 0 N No revision number 1 E Experimental release 2 A Alpha release 3 B Beta release 4 R Release 5 S Special release 25 As number No special interpretation Example Firmware version of the product 1 5 10 R Values from DWORD Major 1 Minor 5 Build 10 Release type 4 Hex Ox1 Ox5 OxA Ox4 Technical Description Cluster
9. 4 064 FIXO RO accumulated values of the inverters Energy fed in on current day across all line 30517 conductors in Wh accumulated values of the 4 064 FIXO RO inverters Current active power on all line conductors W 30775 2 532 FIXO RO accumulated values of the inverters Reactive power on all line conductors BUSES accumulated values of the inverters E TR SP 34609 Ambient temperature C 2 532 TEMP RO 34611 Highest measured ambient temperature 2 532 TEMP 34613 Total irradiation on the sensor surface W m 2 U32 FIXO RO Technical Description ClusterController_Modbus TB US en 15 29 SMA Modbus Profile Assignment Tables SMA America LLC 34615 Wind speed m s 2 U32 FIX RO 34617 Humidity 2 U32 FIX2 RO 34619 Air pressure Pa 2 U32 FIX2 RO 34621 module temperature C 2 532 TEMP RO Total irradiation on the external irradiation 34623 2 U32 FIXO RO sensor pyranometer W m 34625 Ambient temperature F 2 532 TEMP RO 34627 Ambient temperature K 2 532 TEMP RO 34629 module temperature F 2 532 TEMP RO 34631 module temperature 2 532 TEMP RO 34633 Wind speed km h 2 U32 FIX RO 34635 Wind speed mph 2 U32 FIX1 RO 34637 Analog current input 1 mA 2 532 FIX2 RO 34639 Analog current input 2 mA 2 532 FIX2 RO 34641 Analog current input 3 mA 2 532 FIX2 RO 34643 Analog current input 4 mA 2 532 FIX2
10. If the device status is another one the output is O W Recommended action 336 Contact manvfacturer 30211 337 Contact installer 2 U32 ENUM RO 338 7 Invalid 887 None Status message code has a maximum of five digits 886 No message 30213 U32 ENUM RO nnnnn Last status message The number of digits is limited by the device Status description code has a maximum of five digits 30215 885 No description 2 U32 ENUM RO nnnnn Last status description The number of digits is limited by the device Technical Description ClusterController_Modbus TB US en 15 33 SMA Modbus Profile Assignment Tables SMA America LLC Utility grid contactor 30217 51 Contador closed 2 U32 ENUM RO 311 Contactor open Temperature derating 302 No derating 557 Temperature derating 30219 884 Not active 2 U32 ENUM RO 1704 PMAX derating 1705 Frequency derating 1706 Derating due to PV current limitation 30225 Insulation resistance C2 2 U32 FIXO RO Status of key switch 30227 381 Switched off 2 U32 ENUM RO 569 Switched on 30229 Local time of device 2 U32 DT RO Maximum possible permanent active power fixed 30231 configuration Can be greater than the nominal 2 U32 FIXO RO power W 30233 Permanent active power limitation W 2 U32 FIXO RO Backup mode status 30235 1440 Grid operation 2 U32 ENUM RO 1441 Stand alone mode Grid type 1433 277 volts 30237
11. Manaus 9516 UTC 04 00 Casablanca 9585 UTC 00 00 Mid Atlantic 9545 UTC 02 00 Caucasus Standard Time 9582 UTC 04 00 Midway Islands Samoa 9565 UTC 1 1 00 Cayenne 9593 UTC 03 00 Minsk 9526 UTC 02 00 Central America 9520 UTC 06 00 Monrovia Reykjavik 9536 UTC 00 00 58 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Montevideo 9588 UTC 03 00 Moscow St Petersburg Volgograd 9561 UTC 03 00 Nairobi 9524 UTC 03 00 New York Miami Atlanta Detroit 9528 UTC 05 00 Newfoundland 9554 UTC 03 30 Novosibirsk 9550 UTC 06 00 Nuku alofa 9572 UTC 13 00 Osaka Sapporo Tokyo 9571 UTC 09 00 Pacific USA Canada 9558 UTC 08 00 Perth 9576 UTC 08 00 Petropavlovsk Kamchatsky 9595 UTC 12 00 Port Louis 9586 UTC 04 00 Santiago 9557 UTC 04 00 Sarajevo Skopje Warsaw Zagreb 9518 UTC 01 00 Saskatchewan 9510 UTC 06 00 Seoul 9543 UTC 09 00 Sri Jayawardenepura 9568 UTC 05 30 Taipei 9569 UTC 08 00 Tashkent 9589 UTC 05 00 Tbilisi 9533 UTC 04 00 Teheran 9540 UTC 03 30 Tijuana Lower California Mexico 9559 UTC 08 00 Ulan Bator 9592 UTC 08 00 Vladivostok 9575 UTC 10 00 West Central Africa 9577 UTC 01 00 Windhoek 9551 UTC 02 00 Yakutsk 9581 UTC 09 00 Yangon Rangoon 9549 UTC 06 30 Yekaterinburg 9530 UTC 05 00 Yerevan 9512 UTC 04 00 Technical Description Technical Data ClusterController_Modbus TB US en 15 59 Technical Data
12. RD1663 438 VDEO126 1 1 1013 Other standard 40111 Voltage monitoring generator 2 U32 FIX2 RW minimum threshold V 40113 Voltage monitoring generator 2 U32 FIX2 RW maximum threshold V 40115 Voltage monit gener hysteresis min threshold V 2 U32 FIX2 RW 40117 Voltage monit generator hysteresis 2 032 EO RW maximum threshold V 40119 Frequency monitoring generator 2 U32 FIX2 RW minimum threshold Hz 40121 Frequency monitoring generator 2 U32 FIX2 RW maximum threshold Hz 40123 Frequency monitoring generator hysteresis 2 U32 FX2 RW minimum threshold Hz 40125 Frequency monitoring generator hysteresis 2 U32 FIX2 RW maximum threshold Hz Voltage monitoring generator 40127 2 U32 FIX2 RW maximum reverse power W Volt itori t 46120 Oe een 2 032 Duration RW maximum reverse power trip time s 48 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC SMA Modbus Profile Assignment Tables 40131 40133 Grid connection point nominal current A Utility grid nominal voltage V 2 U32 2 U32 FIX2 FIXO RW RW 40135 Nominal frequency Hz 2 U32 FIX2 RW 40137 Acknowledge generator errors 26 Acknowledge error 2 U32 ENUM RW 40141 Maximum start attempts after error 2 U32 FIXO RW 40143 Active power setpoint for operating mode Active power limitation P through PV
13. RO 34645 Analog voltage input 1 V 2 532 FIX2 RO 34647 Analog voltage input 2 V 2 532 FIX2 RO 34649 Analog voltage input 3 V 2 532 FIX2 RO 34651 Analog voltage input 4 V 2 532 FIX2 RO Digital input group 1 coded 2061 011 DIA as status 2062 DIA 311 Open 2063 DI2 2055 2064 DI2 DI3 34653 2056 DII DI2 2065 DI2 DI3 DIA 2 U32 ENUM RO 2057 DI1 DI2 2066 DI2 DIA 2058 DI1 DI2 DIA 2067 2059 DI1 DI2 014 2068 DI3 DIA 2060 DI1 2069 DIA 30 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC SMA Modbus Profile Assignment Tables Digital input group 2 coded 2076 DI5 DI7 DI8 as status 2077 015 DI8 311 Open 2078 016 2070 DIS 2079 016 017 34655 2071 015 016 2080 016 DI7 DI8 2 U32 ENUM 2072 015 016 DIZ 2081 01 DI8 2073 DI5 6 DI8 2082 017 2074 015 016 DI8 2083 017 DI8 2075 015 DIZ 2084 DI8 40001 Reading and setting the UTC system time s 2 U32 DT RW 40003 Reading and setting the time zone see Section 8 5 2 U32 ENUM RW Number Codes of the Time Zones page 58 Automatic daylight saving time conversion active 40005 1129 Active 2 U32 ENUM RW 1130 Not active 5 4 SMA Devices Unit ID 3 to 247 NOTICE Damage to SMA inverters The parameters of the SMA inverters that can be changed with writable Modbus registers RW are intended for long term storage o
14. SMA Modbus Profile Assignment Tables Reading and setting the time zone see Section 8 5 40003 2 U32 ENUM RW Number Codes of the Time Zones page 58 Automatic daylight saving time conversion active 40005 1129 Active 2 U32 ENUM RW 1130 Not active Operating state 295 381 Stop 443 Constant voltage 40009 2 U32 ENUM RW 1855 Stand alone operation 3128 Remote control by SMA Service Acknowledgement 40011 2 U32 ENUM RW 26 Acknowledge error Set language 785 Portuguese 777 7 German 786 Dutch 778 English 796 Slovenian 779 Italian 797 Bulgarian 40013 780 Spanish 798 Polish 2 U32 ENUM RW 781 French 799 Japanese 782 Greek 801 Thai 783 Korean 804 Hebrew 784 Czech External measurement of the insulation resistance 40020 303 Off 2 U32 ENUM RW 308 On Operating status 295 MPP 381 Stop 1392 Error 40029 1393 Wait for DC start conditions 2 U32 ENUM RO 1467 Start 1469 Shut down 1480 Wait for electric utility company 2119 Derating Technical Description ClusterController_Modbus TB US en 15 45 SMA Modbus Profile Assignment Tables SMA America LLC 40031 Nominal capacity of the battery Ah 2 U32 FIXO RO 40033 Maximum battery temperature 2 U32 TEMP RW Battery type 1782 Valveregulated lead acid battery VRLA 40035 1783 Flooded lead acid battery FLA 2 U32 ENUM RO 1784 Nickel Cadmium NiCd 1785 Lithiu
15. U32 ENUM RO 2184 Energy saving in the utility grid 2185 End energy saving in the utility grid 2186 Start energy saving in the utility grid 30885 Power of external grid connection W 2 U32 FIXO RO 40 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC SMA Modbus Profile Assignment Tables Power of external grid connection of line conductor A W 30887 2 U32 FIXO RO Power of external grid connection of line conductor B W 30889 2 U32 FIXO RO Power of external grid connection of line conductor C W 30891 2 U32 FIXO RO 30893 Reactive power of external grid connection 2 U32 FIXO RO Reactive power of external grid connection of line 30895 conductor A VAr 2 U32 FIXO RO Reactive power of external grid connection of line conductor B 30897 2 U32 FIXO RO Reactive power of external grid connection of line 30899 conductor C VAr 2 U32 FIXO RO 30901 Power frequency of external grid connection Hz 2 U32 FIX2 RO Voltage of external grid connection of line conductor 30903 A V 2 U32 FIX2 RO Voltage of external grid connection of line conductor 30905 2 032 FIX2 RO Voltage of external grid connection of line conductor 30907 2 032 FIX2 RO Current of external grid connection of line conductor A A 30909 2 532 FIX3 RO Current of external grid connection of line condu
16. conductors in Wh 30513 4 064 FIXO RO accumulated values of the inverters Energy fed in on current day across all line 30517 conductors in Wh accumulated values of the 4 064 FIXO RO inverters Current active power on all line conductors in W 30775 P 2 S32 FXO RO accumulated values of the inverters Reactive power on all line conductors VAr 30805 p 2 532 FIXO RO accumulated values of the inverters Technical Description ClusterController_Modbus TB US en 15 27 SMA Modbus Profile Assignment Tables SMA America LLC Digital input group 1 coded 2062 DI1 DI4 as status 2063 DI2 311 Open 2061 DIA 2055 011 2064 DI2 013 34653 2056 011 DI2 2065 DI2 014 2 U32 ENUM RO 2057 DII DI2 013 2066 DI2 014 2058 DI2 DIA 2067 DI3 2059 DI2 014 2068 DI3 014 2060 011 013 2069 014 Digital input group 2 coded 2076 DI5 DI7 DI8 as status 2077 015 DI8 311 Open 2078 016 2070 DIS 2079 DI6 DI7 34655 2071 015 016 2080 DI6 017 DI8 2 032 ENUM RO 2072 015 016 017 2081 016 018 2073 015 016 017 018 2082 017 2074 015 016 018 2083 017 018 2075 015 DIZ 2084 DI8 40001 Set UTC plant time in s 2 U32 DT RW Unit ID assignment SMA devices 42109 Device 1 SUSy ID 1 016 RAW RO 42110 Device 1 serial number 2 U32 RAW RO 42112 Device 1 unit ID e g 3 1 016 RAW RW 42113 Device 2 SUSy ID 1 016 RAW R
17. energy fed in on all line conductors Wh 2 U32 FIXO RO Technical Description ClusterController_Modbus TB US en 15 35 SMA Modbus Profile Assignment Tables SMA America LLC 30531 Total AC energy fed in on all line conductors kWh 2 U32 FIXO RO 30533 Total AC energy fed in on all line conductors MWh 2 U32 FIXO RO Energy fed in on the current day on all line conductors Wh 30535 2 U32 FIXO RO Energy fed in on the current day on all line 30537 conductors kWh 2 U32 FIXO RO Energy fed in on the current day on alll line conductors MWh 30539 2 U32 FIXO RO 30541 Operating time s U32 Duration RO 30543 Feedin time s 032 Duration 30545 Operating time of interior fan 1 s 032 Duration RO 30547 Operating time of interior fan 2 s U32 Duration RO 30549 Operating time of heat sink fan s U32 Duration RO U32 FIXO RO 30559 Number of events at user level 30561 Number of events at installer level U32 FIXO RO U32 FIXO RO U32 FIXO RO 30565 Number of generator starts 30567 Meter for battery charging ampere hours Ah 30569 Meter for battery discharging in ampere hours Ah U32 FIXO RO 30571 Meter reading consumption meter Wh U32 FIXO RO 30573 Operating time of generator 5 032 Duration 30575 Released energy from generator Wh U32 FIXO RO 30577 Purchased electricity today Wh U32 FIXO RO 30579 Feedin today Wh U32 FIXO RO 30581 Me
18. inem dee 60 Time ZONES trenes 58 Number of SMA 56 P Parameter change Reaction 57 PDU n o en 15 PDU data Number of Modbus registers 15 Quanity e copo QU 15 Physical reaction time Setpoint 57 PMAX ERR RR 7 Port Tp tto dou tib 56 56 Power control and limitation 931 57 PV system 14 Technical Description SMA America LLC em aiaiai 29 PV system structure 11 PV system 11 SMA Cluster Controller 12 Q Qualified Persons Skills is seus t ee 9 R RAW LE toda eA 19 Reaction time of the Modbus interface 57 physicdll c esame endet 57 Read Holding 15 Read Input 15 Read Write Multiple Registers 16 Readind and writing Modbus 15 Reading out the 21 Reduktion Available 11 Register 15 5 npo ac i ac ose 17 532
19. table shows an example of assignment of a device to a unit ID An inverter was subsequently detected with SUSy ID 158 and serial number 2145600934 as the third device in the PV system Modbus addresses 42117 to 42120 The unit ID of this device was manually set to 5 Modbus address Designation After detection Modified 42117 SUSy ID 158 158 42118 Serial number 2145600934 2145600934 42120 Unit ID 255 NaN 5 22 ClusterController Modbus TB US en 15 Technical Description SMA America LLC Commissioning and Configuration 4 4 Changing Unit IDs via the XML File usrplant xml 4 4 1 Overview The Cluster Controller stores the assignments of the devices of the PV system to unit IDs in the file sysplant xml This file contains an excerpt of the gateway see Section 5 2 Gateway Unit ID 1 page 27 If new SMA devices are added or if SMA devices are replaced these are respectively added to the available XML structure of this file with unit ID 255 by the Cluster Controller You can define your own variant of this file in the file usrplant xml You can use sysplant xml as a template for usrplant xml You can download the file sysplant xml from the Cluster Controller i Uploading and downloading XML files For more information on uploading and downloading XML files via the user interface see the SMA Cluster Controller user manual The file usrplant xml must be activated in the Cluster Controller Once the file usrplant xml is act
20. 0 9s COMIC 5 REEL NONI 61 UE LU emer CP 62 Technical Description ClusterController_Modbus TB US en 15 5 Information on this Document SMA America LLC 1 Information on this Document Validity This document is applicable for device type CLCON 10 and device type CLCON S 10 SMA Cluster Controller It describes the Modbus interface of the SMA Cluster Controller the variant of the Modbus Application Protocol implemented by SMA and the corresponding parameters measured values and data exchange formats Not available in all countries see the SMA Cluster Controller product page at www SMA Solar com This document does not contain any details on the parameters and measured values provided by SMA devices for operating parameters measured values see the Technical Description Measured Values and Parameters at www SMA Solar com This document does not contain any information on software which can communicate with the Modbus interface see the software manufacturer s manual Target Group This document is intended for qualified persons Only persons with appropriate skills are allowed to perform the tasks described in this document see Section 2 2 Skills of Qualified Persons Additional Information SMA Documents Additional information is available at www SMA Solar com Document title Document type SMA Cluster Controller Installation Manual SMA Cluster Control
21. 03920 current position in gateway 8 The exact appearance of the XML file is then as follows lt xml version 1 0 encoding UTF 8 plant version 001 gt device regoffs 7 susyid 138 serial 2 178909920 unitid 3 gt device regoffs 8 susyid 128 serial 2 112303920 unitid 4 gt lt plant gt 4 4 3 Activating and Deactivating usrplant xml Activating the file usrplant xml To activate the file usrplant xml upload the file to the Cluster Controller All the specifications in the file are checked If the file contains no errors its contents are entered into the system A changed usrplant xml becomes effective a few seconds after it is activated Once the file usrplant xml is activated the file sysplant xml is not taken into consideration for the duration of the activation Deactivating the file usrplant xml To deactivate the file usrplant xml upload a version of this file containing no device tags to the Cluster Controller Both of the following lines show the structure of such a usrplant xml file lt xml version 1 0 encoding UTF 8 plant version 001 gt lt plant gt Without the device tags in the file usrplant xml the system returns to the specifications saved in the file sysplant xml A changed usrplant xml becomes effective a few seconds after it is saved to the Cluster Controller 24 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Commissioning and
22. 14345 208 volts 2 032 ENUM RO 1435 240 volts 1436 208 volts without neutral conductor 1437 240 volts without neutral conductor Operating mode of Power Balancer 303 Off 30239 1442 PhaseGuard 2 U32 ENUM RO 1443 PowerGuard 1444 FaultGvard 34 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC SMA Modbus Profile Assignment Tables 30247 Current complete event number 2 U32 FIXO RO Status of the GFDI relay 30249 51 Closed 2 U32 ENUM RO 311 Open Status of current restart interlock 1690 Fast stop 2386 Overvoltage 30251 2387 Undervoltage 2 U32 ENUM RO 2388 Overfrequency 2389 Underfrequency 2390 Passive islanding detection State of DC switch 30257 51 Closed 2 U32 ENUM RO 311 Open 30267 DC switch 1 to 32 to 51 Closed 2 U32 ENUM RO 30329 311 Open Error message DC switch 1 to 32 1508 90 of the DC switch cycles reached 1509 100 of the DC switch cycles reached 30331 1694 DC switch tripped to 1695 DC switch waiting for connection 2 U32 ENUM RO 30393 1696 DC switch blocked by spindle 1697 DC switch manually blocked 1698 DC switch tripped three times 1699 DC switch is defective 30513 Total AC energy fed in on all line conductors Wh 4 U64 FIXO RO Energy fed in on the current day on all line 30517 4 064 FIXO RO conductors Wh 30521 Operating time 5 4 064 Duration 30525 Feedin time s 4 064 Duration RO 30529 Total AC
23. Available and Reserved 14 User defined Modbus profile 11 usrplant xml ee 23 ClusterController_Modbus TB US en 15 67 Index Aclivale 24 Deactivale creed 24 usrprofile xml sss 52 Validity of this 6 Valve range COS Dioses e IER 32 virtual modbusprofile 52 17 Write Multiple 16 Write Single 15 X XML 68 ClusterController_Modbus TB US en 15 SMA America LLC and adeat 52 destination es mannen nii 53 device usan ann aene biais 23 regolts isse dee etes 23 SER 24 ist cti e ettet hts 52 Fd 23 unida 24 52 virtual modbusprofile 52 XML file sysplant xml sss 23 usrplant xml 5 Usrprofile 52 n eaa t XML files Default settings sss 25 DOVE irs untae unis dan D td 25 Technical Description SMA Solar Technology SMA America LLC www SMA America com
24. C SMA Modbus Profile Assignment Tables 31985 to String current of strings 97 to 128 2 532 FIX3 RO 32047 32049 ID of current measurement unit where a 2 U32 FIXO RO communication error has occurred 32051 Warning code for error of string monitoring unit 2 U32 FIX2 RO 34097 Operating time of interior fan 1 s 4 064 Duration RO 34101 Operating time of interior fan 2 s 4 064 Duration RO 34105 Operating time of heat sink fan 5 4 064 Duration RO 34109 Heat sink temperature 1 C 2 532 TEMP RO 34113 Interior temperature 1 C 2 532 TEMP RO 34121 Transformer temperature 1 2 532 TEMP RO 34125 External temperature 1 of supply oir 2 532 TEMP 34127 Highest measured external temperature 1 C 2 532 TEMP 34609 Ambient temperature C 2 532 TEMP RO 34611 Highest measured ambient temperature 2 532 TEMP 34613 Total irradiation on the sensor surface W m 2 U32 FIXO RO 34615 Wind speed m s 2 U32 FIX1 RO 34617 Humidity 2 U32 FIX2 RO 34619 Air pressure Pa 2 U32 FIX2 RO 34621 module temperature C 2 532 TEMP RO ver Total irradiation on the external irradiation j ee FIXO sensor pyranometer W m 34625 Ambient temperature F 2 532 TEMP RO 34627 Ambient temperature K 2 532 TEMP RO 34629 module temperature F 2 532 TEMP RO 34631 module temperature 2 532 TEMP RO 34633 Wind speed km h 2 U32 FIX RO Technic
25. Canada and Puerto Rico Exento de tasas EE UU Canad y Puerto Rico 3 international Internacional toll free for Canada gratuit pour le Canada Technical Description ClusterController_Modbus TB US en 15 61 Index SMA America LLC 10 Index Event numbers 55 30575 36 Event numbers 60 Lu E 36 62 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Index Technical Description ClusterController_Modbus TB US en 15 63 Index SMA America LLC 64 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC 40228 o nincedhosneniae iuit 51 4202930 c eR EURO 51 40232 51 Activate usrplant xml sess 24 Addresss range Modbus ADR uei T Assignment 14 Header inet RS 26 Available and reserved unit IDs 14 B Big Endian trasine nensis 15 C Change UnitID onis 20 22 Change gateway Changing device parameters Flash 931 57 Not cyclical cece 9 31 57 CICOREI Avenir Stats 56 5 0 iu i ts 56 Cluster Controller Gateway ooo ee aon ias 27 IP address serere ete Rene 21 Signal run fime sss 57 Common address of all SMA devices Table 2 teet eene 32 COS Valje Tange oet ee Res 32 Cyclical changing prohibited
26. Configuration 4 5 Resetting the Cluster Controller to the Default Settings By resetting the Cluster Controller to the default settings the previously assigned unit IDs are deleted and reassigned file sysplant xml is therefore rewritten As a result all connected SMA devices are assigned a new unit ID 1 Save data prior to restoring default settings By resetting the Cluster Controller to default settings the user defined PV system topology usrplant xml and the user defined Modbus profile usrprofile xml are deleted Save these files before resetting For further information on resetting to default settings and saving XML files refer to the SMA Cluster Controller user manual Technical Description ClusterController_Modbus TB US en 15 25 SMA Modbus Profile Assignment Tables SMA America LLC 5 SMA Modbus Profile Assignment Tables 5 1 Information on the Assignment Tables The following subsections are sorted by unit ID Each contains a table of the Modbus addresses which can be accessed under the corresponding unit ID The tables present the following information Information ADR DEC Description Number Code s Explanation Decimal Modbus address see Section 3 5 3 page 15 onwards Short description of the Modbus register and the number codes used CNT Number of assigned Modbus registers Type Data type e g U32 32 bits without prefix see Section 3 7 page 17 Format Data format of saved value e g D
27. Controller_Modbus TB US en 15 19 Commissioning and Configuration SMA America LLC 4 Commissioning and Configuration 4 1 Commissioning Steps and Requirements Requirements Ll The devices of the PV system must be connected to the Cluster Controller and the Cluster Controller must be commissioned for information on connection and commissioning see the Cluster Controller installation manual O You must log in as installer to the Cluster Controller for login to or logout of the Cluster Controller see the Cluster Controller user manual Procedure l Activate the Modbus server s and if required configure the communication ports for Modbus configuration see the Cluster Controller user manual i Allocation of unit IDs by activation of the Modbus servers Upon activation of the Modbus servers of the Cluster Controller unit IDs are assigned to the SMA devices already connected to the Cluster Controller The protocol types TCP UDP can be activated individually or together If one or both of the servers are deactivated and reactivated the previously assigned Modbus unit IDs remain intact 2 Change the unit IDs if after activation of the Modbus servers further SMA devices have been added to the PV system or SMA devices have been replaced see the following sections 4 2 Information on Changing Unit IDs You change the unit IDs of SMA devices A change is required for example if additional or changed SMA devices are co
28. O 42114 Device 2 serial number 2 U32 RAW RO 42116 Device 2 unit ID e g 4 1 016 RAW RW 43085 Device 245 SUSy ID 1 016 RAW RO 43086 Device 245 serial number 2 U32 RAW RO 43088 Device 245 unit ID e g 247 016 RAW RW 28 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC SMA Modbus Profile Assignment Tables 1 unitib 255 For unit ID 255 observe Section 4 3 Changing Unit IDs via the Gateway page 21 i Modbus exception on accessing empty assignments If in the address range 42109 to 43088 individual Modbus registers or a data block are accessed which do not contain any assignment of unit IDs to SMA devices a Modbus exception is generated 5 3 PV System Parameters Unit ID 2 In the following table you can find the system parameters that you can access using unit ID 2 The system parameters represent measured values and parameters of the Cluster Controller and also PV system devices that are connected via the Modbus protocol Parameters such as time settings are transferred by the Cluster Controller to the devices of the PV system and there depending on the device type processed further Measured values such as energy meter values are queried by the devices and made available as accumulated values oy d E a Description number code s A 5 2 E DO a 9 lt 2 lt 30193 UTC system time in s 2 U32 DT RO Total energy fed in across all line conductors in Wh 30513
29. T date FIX n output with n decimal places TEMP output as temperature see Section 3 8 page 18 Access Access type RW Read and write only Modbus TCP WO Write only Modbus TCP and Modbus UDP If an access type is not allowed a Modbus exception is generated in the event of access with an access type that is not allowed 26 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC SMA Modbus Profile Assignment Tables 5 2 Gateway Unit ID 1 In the following table you can find the parameters and measured values provided by the gateway which you can access under unit ID 1 and also the assignment of the SMA devices to the unit IDs You can access the gateway via the IP address of the Cluster Controller o 2 Description number code s S 5 2 x 2 A g lt NT E 30001 Version number of the SMA Modbus profile 2 U32 RAW 30003 505 ID of the Cluster Controller 2 U32 RAW RO 30005 Serial number of the Cluster Controller 2 U32 RAW RO Modbus data change meter value is increased by 30007 2 U32 RAW RO the Cluster Controller if new data is available Device class 8000 All devices 8001 Solar inverters 8002 Wind turbine inverter 30051 8007 Battery inverter 2 U32 ENUM RO 8033 Consumer 8064 Sensor system in general 8065 Electricity meter 8128 Communication products 30193 UTC system time s 2 U32 DT RO Total energy fed in across all line
30. ad word 64 bit 2 x DWORD OxFFFF FFFF FFFF FFFF or 1 3 7 2 16 Bit Integer Values 16 bit integers are stored in a Modbus register Modbus register 1 Byte 0 1 Bits 810 15 0107 3 7 3 32 Bit Integer Values 32 bit integers are stored in two Modbus registers Modbus register 1 2 Byte 0 1 2 3 Bits 24 to 31 16 to 23 810 15 0 7 Technical Description ClusterController_Modbus TB US en 15 17 Product Description SMA America LLC 3 7 4 64 Bit Integer Values 64 bit integers are stored in four Modbus registers Modbus register 1 2 Byte 0 1 2 3 Bits 56 to 63 48 to 55 40 to 47 32 to 39 Modbus register 4 Byte 4 5 6 7 Bits 24 to 31 16 to 23 8 to 15 Oto7 3 8 SMA Data Formats The following SMA data formats describe how SMA data is to be interpreted The data formats are important for example for the display of data or for its further processing The SMA data formats are listed in the Format column of the assignment tables Format Explanation Date Time DT Date time in accordance with country setting Transmission as UTC seconds since 1970 01 01 Duration Duration 297 TA Time in seconds in minutes or in hours depending on the Modbus register Coded numerical values The breakdown of the possible codes can be found directly ENUM under the designation of the Modbus register in the SMA Modbus profile assignment tables see also Section 8 6 Frequently Used Number Codes page 60 FXO Factor
31. additional device from the gateway Via automatic detection an additional 5 device was assigned to unit ID 255 indicated with C in column Device in the following table The assignments of the gateway were as follows here shown with a SCADA system as a table Modbus address Content Description Device 42109 158 SUSy ID A 42110 2145600972 Serial number A 42112 3 Unit ID A 42113 158 SUSy ID B 42114 2145600320 Serial number B 42116 4 Unit ID B 42117 158 SUSy ID 42118 2145600934 Serial number C 42120 255 Unit ID Technical Description ClusterController_Modbus TB US en 15 21 Commissioning and Configuration SMA America LLC 4 3 2 Changing a Unit ID in the Gateway You change a unit ID by writing it to the relevant Modbus address All three of the Modbus registers that belong to a device unitID assignment must be transmitted in a single data block although only the register with the unit ID is writable For the following example this means that all the data of the three Modbus addresses 42117 42118 and 42120 must be contained in the data block 1 Do not assign unit IDs more than once You must not assign a Unit ID more than once In the event of a Modbus query with a unit ID that has been assigned more than once the data is read out for the device that is entered with this unit ID in the gateway under the lowest Modbus address Example Changing A Unit ID in the Gateway The following
32. al Description ClusterController_Modbus TB US en 15 43 SMA Modbus Profile Assignment Tables SMA America LLC 34635 Wind speed mph 2 U32 FIX1 RO 34637 Analog current input 1 mA 2 532 FIX2 RO 34639 Analog current input 2 mA 2 532 FIX2 RO 34641 Analog current input 3 mA 2 532 FIX2 RO 34643 Analog current input 4 mA 2 532 FIX2 RO 34645 Analog voltage input 1 V 2 532 FIX2 RO 34647 Analog voltage input 2 V 2 532 FIX2 RO 34649 Analog voltage input 3 V 2 532 FIX2 RO 34651 Analog voltage input 4 V 2 532 FIX2 RO Digital input group 1 coded 2061 DI1 DI4 as status 2062 DI1 DIA 311 Open 2063 DI2 2055 DII 2064 DI2 34653 2056 DII DI2 2065 DI2 014 2 U32 ENUM RO 2057 DII DI2 2066 012 014 2058 DI1 DI2 013 014 2067 DI3 2059 011 DI2 DIA 2068 013 DI4 2060 DI1 2069 DIA Digital input group 2 coded 2076 015 017 DI8 as status 2077 015 DI8 311 Open 2078 016 2070 015 2079 016 017 34655 2071 015 DI6 2080 016 017 DI8 2 U32 ENUM RO 2072 015 016 DIZ 2081 DI DI8 2073 DI5 6 DI8 2082 DI7 2074 015 016 DI8 2083 DI7 DI8 2075 DI5 DI7 2084 DI8 35377 Number of events for user 4 064 RO 35381 Number of events for installer 4 U64 FIXO RO 40001 Reading and setting the UTC system time s 2 U32 DT RW 44 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC
33. ces Damage to SMA inverters The parameters of the SMA inverters that can be changed with writable Modbus registers RW are intended for long term storage of device settings Cyclical changing of these parameters leads to destruction of the flash memory of the devices e Device parameters must not be changed cyclically Contact the SMA Service line if you would like to automate the remote control of your PV system see Section 9 Contact page 61 Signal Run Time through the Cluster Controller The signal run time through the Cluster Controller is a maximum of 100 ms The signal run time is the time required by the Cluster Controller to process incoming Modbus commands and to forward them to the devices in the PV system Data Transfer Interval via the Modbus Protocol For system stability reasons the time period between data transfers via the Modbus protocol must be at least ten seconds No more than 30 parameters and measured values should be transmitted per inverter Note the maximum number of SMA devices according to Section 8 2 Number of SMA Devices page 56 Physical Reaction Time of the Inverters The physical reaction time of the inverters is typically approximately one second depending on the inverters used The physical reaction time is the time between the changing of setpoints in the inverters until their physical implementation Such a change would be for example changing cos Reaction Ti
34. conductor L2 to L3 V 2 U32 FIX2 RO 30793 Line voltage line conductor L3 to L1 V 2 U32 FIX2 RO 30795 Line current on all line conductors A 2 U32 FIX3 RO 30797 Line current of line conductor L1 A 2 U32 FIX3 RO 30799 Line current of line conductor L2 A 2 U32 FIX3 RO 30801 Line current of line conductor 2 U32 FIX3 RO 30803 Power frequency Hz 2 U32 FIX2 RO 30805 Reactive power on all line conductors VAr 2 532 FIXO RO 30807 Reactive power of line conductor L1 2 532 FIXO RO 30809 Reactive power of line conductor L2 2 532 FIXO RO 30811 Reactive power of line conductor L3 2 532 FIXO RO Technical Description ClusterController_Modbus TB US en 15 37 SMA Modbus Profile Assignment Tables SMA America LLC 1042 Lagging 38 ClusterController_Modbus TB US en 15 30813 Apparent power on all line conductors 2 32 FIXO RO 30815 Apparent power of line conductor L1 VA 2 32 FIXO RO 30817 Apparent power of line conductor L2 VA 2 32 FIXO RO 30819 Apparent power of line conductor L3 VA 2 32 FIXO RO 30821 Total displacement power factor of all line conductors 2 U32 FIX2 RO Excitation type of cos o 30823 1041 Leading 2 U32 ENUM 1042 Lagging Operating mode of the reactive power regulation 303 Off 1069 Reactive power voltage characteristic curve QV 1070 Reactive power G direct setpoint 1071 7 Reactive power const Q kVAr 1072 Reactive po
35. ct interface can be found on the product page of the respective inverter at www SMA Solar com 8 2 Number of SMA Devices The following table contains details on the maximum number of SMA devices that can be operated with the Cluster Controller Device type Maximum number of SMA devices CLCON 10 75 CLCON S 10 25 8 3 Modbus Communication Ports The following table shows the default settings of the supported network protocols Network protocol Communication port default setting TCP 502 UDP 502 i Use free communication ports You should only use free communication ports The following range is generally available 49152 to 65535 You can find more information on occupied ports in the database Service Name and Transport Protocol Port Number Registry at http www iana org assignments service names port numbers service names portnumbers xml i Changing the communication port If you change one of the Modbus ports of the Cluster Controller you must also change the corresponding Modbus port of a connected Modbus master system Otherwise the Cluster Controller can no longer be accessed via the Modbus protocol 56 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Technical Data 8 4 Data Processing and Time Behavior In this Section you can find typical data processing and reaction times of the Cluster Controller Modbus interface and time details for saving parameters in SMA devi
36. ctor A 30911 2 532 FIX3 RO Current of external grid connection of line conductor 30913 2 532 FIX3 RO Electricity supply status 303 Off 30915 1461 Utility grid connected 2 032 ENUM RO 1462 Backup not available 1463 Backup Technical Description ClusterController_Modbus TB US en 15 41 SMA Modbus Profile Assignment Tables SMA America LLC Generator state 303 Off 1392 Error 1787 Initialization 1788 Ready 1789 Warm up 30917 1790 Synchronize 2 U32 ENUM RO 1791 Activated 1792 Resynchronization 1793 Generator separation 1794 Shut off delay 1795 Blocked 1796 Blocked after error Operating mode of static voltage stability with Q at Night 303 Off 1069 Reactive power voltage characteristic curve 1070 Reactive power G direct setpoint 30919 2 U32 ENUM RO 1071 Reactive power const Q kVAr 1072 Reactive power Q setpoint via system control 1387 Reactive power Q setpoint via analog input 1389 Reactive power voltage characteristic curve Q V with hysteresis and deadband 30921 Reactive power setpoint with Q at Night VAr 2 532 FIXO RO 30923 Reactive power setpoint with Q at Night 76 2 532 FIX1 RO 31793 to String current of strings 1 to 64 A 2 32 FIX3 RO 31919 31921 to String current of strings 65 to 96 A 2 532 FIX3 RO 31983 42 ClusterController_Modbus TB US en 15 Technical Description SMA America LL
37. d Modbus Profile SMA America LLC 6 3 Activating and Deactivating User Defined Modbus Profile To activate your user defined Modbus profile upload the file usrprofile xml to the Cluster Controller restart it and activate the user defined Modbus profile as described below If the usage of the user defined Modbus profile on the Cluster Controller is deactivated the user defined assignments are lost and only the SMA Modbus profile remains active i Uploading and downloading XML files For more information on uploading and downloading XML files via the user interface see the SMA Cluster Controller user manual Activating a User Defined Modbus Profile You activate a user defined Modbus profile by creating a device entry with the attribute susyid O in file usrplant xml you can find more information on the file usrplant xml in Section 4 4 Changing Unit IDs via the XML File usrplant xml page 23 Example The following device entry activates a user defined Modbus profile that is entered as the tenth device in the gateway device regoffs 9 susyid 0 serial 0 unitid 100 gt Deactivating a User Defined Modbus profile You deactivate a user defined Modbus profile by commenting out in its device line in the file usrplant xml and re uploading this to the Cluster Controller for more information on the usrplant xml file see Section 4 4 Changing Unit IDs via the XML File usrplant xml page 23 In the following example
38. e corresponding register is writable with the unit ID In the assignment table PV System Parameters unit ID 2 parameters and measured values of the Cluster Controller and the PV system are stored In the assignment table SMA devices unit ID 3 to 247 the parameters and measured values intended for all SMA devices are stored The individual SMA devices use a subset of these for their device specific parameters and measured values 14 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Product Description 3 5 3 Modbus Register Address Register Width and Data Block A Modbus register is 16 bits wide For broader data items connected Modbus registers are used and considered as data blocks The number of connected Modbus registers is indicated in the assignment tables The address of the first Modbus register in a data block is the start address of the data block 3 5 4 Address Range for Modbus Register For addressing Modbus registers the address range O to OxFFFF is available with 65536 addresses 3 5 5 Transmission In accordance with the Modbus specification only a specific volume of data can be transported in a single transmission in a simple protocol data unit PDU The data also contains function dependent parameters such as the function code start address or number of Modbus registers to be transmitted The amount of data depends on the Modbus command used and has to be taken int
39. eased self consumption switched on 40075 1129 Yes 2 U32 ENUM RW 1130 No Initiate device restart 40077 2 U32 ENUM RW 1146 Execute U32 FIX2 RW U32 FIX3 RW 40079 Battery final cut off voltage V 40081 Maximum charge current of battery A 40083 Maximum discharge current of battery A U32 FIX3 RW 40085 Cell charging set voltage for boost charge V U32 FIX2 RW 40087 Cell charging set voltage for full charge V U32 FIX2 RW 40089 Cell charging set voltage for equalization charge V U32 FIX2 RW 40091 Cell charging set voltage for float charge U32 FIX2 RW 40093 Voltage monitoring minimum threshold V U32 FIX2 RW NI N NINININI NIN 40095 Voltage monitoring maximum threshold V U32 FIX2 RW 40097 Voltage monitoring hysteresis 2 U32 ane RW minimum threshold V Voltage monitoring hysteresis 40099 2 U32 FIX2 RW maximum threshold V 40101 Frequency monitoring minimum threshold Hz 2 U32 FIX2 RW 40103 Frequency monitoring maximum threshold Hz 2 U32 FIX2 RW Technical Description ClusterController_Modbus TB US en 15 47 SMA Modbus Profile Assignment Tables SMA America LLC 40105 Frequency monitoring hysteresis 2 32 FIX2 RW minimum threshold Hz 40107 Frequency monitoring hysteresis 2 32 FIX2 RW maximum threshold Hz Set country standard 27 Special setting 42 ASA777 3 305 Stand alone mode 40109 2 032 ENUM RO 333 PPC 343
40. ee phase grid feedin for example to avoid unbalanced loads Technical Description ClusterController_Modbus TB US en 15 VA Information on this Document SMA America LLC SMA fieldbus Hardware interface for communication between SMA devices e g Speedwire For information on the supported communication interfaces refer to the datasheet of the SMA device being used SUSy ID SMA Update System ID Numeric value that identifies a specific SMA device type e g 128 STP nnOOOTL 10 8 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Safety 2 Safety 2 1 Intended Use The Modbus interface of the SMA Cluster Controller is designed for industrial use and has the following tasks e Remote control of the grid management services of a PV system e Remotecontrolled querying of the measured values of a PV system Remote controlled changing of the parameters of a PV system The Modbus interface can be used via the protocol Modbus TCP and by the protocol Modbus UDP The enclosed documentation is an integral part of this product Read and observe the documentation e Keep the documentation in a convenient place for future reference 2 2 Skills of Qualified Persons The tasks described in this document must be performed by qualified persons only Qualified persons must have the following skills Knowledge of IP based network protocols Training in the installation and configurati
41. f device settings Cyclical changing of these parameters leads to destruction of the flash memory of the devices e Device parameters must not be changed cyclically i Availability and values of the Modbus registers Depending on the SMA device used only certain Modbus registers are available operating parameters measured values see the technical description Measured values and parameters at www SMA Solar com When a Modbus register which is not available for an SMA device is accessed a Modbus exception is generated see 3 6 Reading and Writing of Data page 15 When a Modbus register containing a non permitted value is accessed a NaN corresponding to the type is returned see Section 3 7 1 SMA Data Types and NaN Values page 17 Technical Description ClusterController_Modbus TB US en 15 31 SMA Modbus Profile Assignment Tables 1 Valve range of cos SMA America LLC The value range of cos depends on the device The value range that can be set via the Modbus protocol cannot be converted by every inverter to physical values displacement power factor cos see the operating manual of the inverter In the following table you can find measured values and parameters for SMA devices that you can access via unit IDs 3 to 247 The table does not apply for unit IDs 1 and 2 o a Description number code s O 5 2 amp bo amp E g lt o Se Device class 8000 All devices 8001 Solar in
42. ical Description SMA America LLC Product Description Example 2 PV System Topology from the Perspective of the Modbus Protocol In the following example an inverter is assigned to a unit ID between 3 and 247 in each case This way the inverter data can be addressed in the Modbus protocol Unit ID 1 represents the gateway to the Modbus protocol and unit ID 2 the PV system parameters STP 000 10 SUSy ID 128 Serial number 21123 e STP nOOOTL 20 SUSyID 181 Serial number 21456 oox SB nOOOTL 21 SUSyID 138 Serial number 21789 Technical Description aS MODBUS Unit ID 1 Unit ID 2 Unit ID 3 Unit ID 4 Gateway 42109 Device 1 SUSy ID 42110 Device 1 Serial number 42112 Device 1 Unit ID e g 3 42113 Device 2 SUSy ID 42114 Device 2 Serial number 42116 Device 2 Unit ID e g 4 Plant parameters 30513 Total yield Wh 30517 Day yield Wh SUSy ID 128 Serial number 21 123xxxxx 30513 Total yield Wh 30795 Grid current A SUSy ID 181 Serial number 21456xxxxx 30513 Total yield Wh 30795 Grid current A ClusterController_Modbus TB US en 15 13 Product Description SMA America LLC 3 5 Addressing and Data Transmission the Modbus Protocol 3 51 Unit IDs The unit ID is a higher level addressing type in the Modbus protocol The SMA Modbus protocol has 247 unit IDs of which 245 can be a
43. int VAr Reactive power setpoint 76 532 532 FIXO RW FIX RW 40206 Setpoint of cos 32 FIX2 RW 40208 Setpoint of excitation type of cos 9 1041 Leading 1042 Lagging U32 ENUM RW 40210 Operating mode of active power limitation 303 Off 1077 Active power limitation P W 1078 Active power limitation P of PMAX 1079 Active power limitation P via system control 1390 Active power limitation P via analog input 1391 Active power limitation P via digital inputs U32 ENUM RW 40212 Active power setpoint W U32 FIXO RW 40214 Active power setpoint U32 FIXO RW 40216 Operating mode of active power limitation at overfrequency P f 303 Off 1132 Linear gradient for instantaneous power U32 ENUM RW 40218 Configuration of the linear gradient of the instantaneous power Difference between starting frequency and power frequency Hz U32 FIX2 RW 40220 Configuration of the linear gradient of the instantaneous power Difference between reset frequency and power frequency Hz U32 FIX2 RW 40222 40224 Configuration of the cos P characteristic curve cos of the starting point Configuration of the cos P characteristic curve excitation type of the starting point 1041 Leading 1042 Lagging U32 U32 FIX2 RW ENUM RW 50 ClusterController_Modbus TB US en 15 Technical Descr
44. iption SMA America LLC SMA Modbus Profile Assignment Tables Configuration of the cos P characteristic curve 40226 2 U32 FIX2 RW cos o of the end point Configuration of the cos P characteristic curve excitation type of the end point 1041 Leading 1042 Lagging 40228 2 U32 ENUM RW Configuration of the cos P characteristic curve 40230 2 U32 FIXO RW active power of the starting point 75 Configuration of the cos P characteristic curve 40232 2 U32 FIXO RW active power of the end point 76 Technical Description ClusterController_Modbus TB US en 15 51 User Defined Modbus Profile SMA America LLC 6 User Defined Modbus Profile With the user defined Modbus profile the Modbus addresses that are available in the SMA Modbus profile for the individual unit IDs can be assigned to different Modbus addresses You can use the entire Modbus address range from to 65535 One advantage of the user defined Modbus profile can be that the measured values and parameters relevant for controlling your plant can be applied to consecutive Modbus addresses These addresses can then be read or written in a single data block The user defined Modbus profile can be called up via the gateway like an additional device and has a separate unit ID which you can define between 3 and 247 see Section 3 5 1 Unit IDs page 14 6 1 Structure of the XML File for the User Defined Modbus Profile The user defined M
45. ivated the file sysplant xml is not taken into consideration for the duration of the activation 4 4 2 Structure of the XML File usrplant xml The files sysplant xml and usrplant xml have the same tag structure The basic structure of the files is as follows lt xml version 1 0 encoding UTF 8 plant version 001 gt device regoffs aaa susyid bbb unitid ddd gt lt plant gt Legend for XML tags and attributes XML tag or attribute Explanation lt device gt Within the tag Device is the assignment of a device to a unit ID regoffs aaa Number of the device in file sysplant xml The number must not necessarily be assigned sequentially There are four decimal Modbus register addresses between the devices Regoffs O defines the first device under the Modbus address 42109 Regoffs 244 the last device under the Modbus address 43085 susyid bbb SUSy ID of the device Technical Description ClusterController_Modbus TB US en 15 23 Commissioning and Configuration SMA America LLC Serial number of the device unitid ddd Unit ID of the device Example of the file usrplant xml The unit IDs of the following two SMA devices are to be changed to unit ID 3 and 4 SB 5000 TL21 SUSy ID 138 Serial number 2178909920 current position in gateway 7 e STP 15000TL 10 SUSy ID 128 Serial number 21123
46. ks To prevent inconsistencies data blocks of associated registers or register ranges must be read or written in a single step The 4 bytes of a 64 bit Modbus register must for example be read with an operation in a 64 bit SMA data type Error message on writing multiple Modbus registers as a data block If multiple registers are written as a data block Modbus commands 0x10 and 0x17 and an error occurs during writing the faulty register as well as all the subsequent registers in the packet will be rejected In the event of an error a Modbus exception will be generated Modbus exceptions Modbus exceptions see Modbus Application Protocol Specification at http www modbus org specs php 16 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC 3 SMA Data Types 3 7 1 SMA Data Types and NaN Values Product Description The following table shows the data types used in the SMA Modbus profile and shows possible NaN values The SMA data types are listed in the Type column of the assignment tables They describe the data widths of the assigned values Type X Description NaN value Ul Aword 16 bit WORD OxFFFF or 1 S16 A signed word 16 bit WORD 0x8000 U32 A double word 32 bit DWORD OxFFFF FFFF or 1 U32 For status values only the lower 24 bits of a double word 32 FD or bit DWORD are used OxFFFF FE or 1 532 signed double word 32 bit DWORD 0x8000 0000 064 A qu
47. ler User Manual Measured Values and Parameters Technical Description Additional Documents Document title Source Modbus Application Protocol http www modbus org specs php Specification Service Name and Transport Protocol http www iana org assignments service names port Port Number Registry numbers service names port numbers xml 6 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Information on this Document Symbols Symbol Explanation i Information that is important for a specific topic or goal but is not safety relevant Indicates a requirement for meeting a specific goal Typographies Typography Use bold Elements on a user interface File names e Parameters Elements to be selected Example Select Settings Control via communication The file usrprofile xml e The values Major and Minor Nomenclature Complete designation Modbus register Designation in this document Register Photovoltaic system PV system SMA Cluster Controller Cluster Controller Abbreviations Abbreviation Designation Explanation GFDI Ground Fault Detection and Detection of the grounding error and Interruption subsequent interruption of the electric circuit PMAX Set active power limit The device can generate active power up to this limit Power Balancer The Power Balancer is a function in Sunny Mini Central devices for controlling thr
48. lues NaN is returned lt 2 gt Comments out the range xyz for example to deactivate an instruction Modbus exceptions Modbus exceptions see Modbus Application Protocol Specification at http www modbus org specs php 6 2 Example of a User Defined Modbus Profile The Modbus registers for apparent power active power and reactive power of the devices stored under unit IDs 3 and 4 are to be retrievable in a user defined Modbus profile from address O at consecutive Modbus addresses the following table is an excerpt from the SMA Modbus profile 5 Hj a Description number code s E 5 amp pe gt 8 o 2 lt 30775 active power on all line conductors W 2 532 FIXO RO 30805 Reactive power on all line conductors VAr 2 532 FIXO RO 30813 Apparent power on all line conductors 2 532 FIXO RO The exact appearance of the XML file follows from the example lt xml version 1 0 encoding UTF 8 2 virtual modbusprofile channel unitid 3 source 30775 destination 0 gt channel unitid 3 source 30805 destination 2 gt channel unitid 3 source 308 13 destination 4 gt channel unitid 4 source 30775 destination 6 gt channel unitid 4 source 30805 destination 8 gt channel unitid 4 source 308 13 destination 10 gt lt virtual_modbusprofile gt ClusterController_Modbus TB US en 15 53 Technical Description User Define
49. m lon Li lon 40037 Nominal battery voltage V 2 U32 FIXO RO 40039 Time for boost charge of battery min 2 U32 Duration RW 40041 Time for equalization charge of battery h 2 U32 Duration RW 40043 Time for full charge of battery h 2 U32 Duration RW 40045 Maximum battery charging current A 2 U32 FIX3 RW 40047 Nominal generator current A 2 U32 FIX3 RW Automatic generator start 40049 1129 Yes 2 U32 ENUM RW 1130 No Battery state of charge limit for 40051 2 U32 FIXO RW generator shutdown Battery state of charge limit for 40053 2 U32 FIXO RW generator start 76 Manual generator control 40055 381 Stop 2 U32 ENUM RW 1467 Start Generator request via power on 40057 1129 Yes 2 U32 ENUM RW 1130 No 40059 Generator shutdown load limit W U32 FIXO RW 40061 Generator start load limit W U32 FIXO RW U32 FW RO 40063 Firmware version of the central assembly CS U32 FW RO 40065 Firmware version of the logic component 46 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC SMA Modbus Profile Assignment Tables 40067 Serial number 2 U32 RAW RO Grid forming generator 1799 None 1801 Utility grid 1802 Utility grid and generator 40071 2 U32 ENUM RW 1803 Invalid configuration for the PV production meter Lower discharging limit 40073 2 U32 FIXO RW for increased self consumption Incr
50. me of the Modbus Interface The reaction time of the Modbus interface is five to ten seconds The reaction time of the Modbus interface is the time between the arrival of the parameter specifications in the inverters until the corresponding measured values are provided to the Modbus interface of the Cluster Controller Due to this reaction time parameter specifications can only be displayed via a Modbus master system e g a SCADA system at a corresponding or larger interval Technical Description ClusterController_Modbus TB US en 15 57 Technical Data 8 5 Number Codes of the Time Zones The following table contains the most important time zones and their number codes in the SMA Modbus profile If the location is known you can determine the numerical key code and the time zone In the tables in Section 5 SMA Modbus Profile Assignment Tables from page 26 with specification of the time zone this table is referenced SMA America LLC City Country Code Time zone Chennai Kolkata Mumbai New 9539 UTC 05 30 Abu Dhabi Muscat 9503 UTC 04 00 Delhi Adelaide 9513 UTC 09 30 Chicago Dallas Kansas City 9583 UTC 06 00 Alaska 9501 UTC 09 00 Winnipeg Amman 9542 UTC 02 00 Chihuahua La Paz Mazatlan 9587 UTC 07 00 Amsterdam Berlin Bern Rome Darwin 9506 UTC 09 30 9578 UTC 01 00 Stockholm Vienna Denver Salt Lake City Calgary 9547 UTC 07 00 Ari
51. nnected to the Cluster Controller after activation of the Modbus servers By way of the automatic detection of the PV system additional or changed devices are assigned the Modbus unit ID 255 NaN On the other hand it may be necessary to change the unit IDs if a restructuring of the system topology is required for example to better map the physical arrangement of the devices in the Modbus protocol Depending on whether you wish to change individual unit IDs or restructure the entire system topology you have two options e Changing Unit IDs via the gateway recommended for changing individual Unit IDs e Changing Unit IDs via an XML file recommended for restructuring of the system topology Both of these methods are described in separate Sections 20 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Commissioning and Configuration 4 3 Changing Unit IDs via the Gateway 4 3 1 Reading out the Gateway You can read out the individual unit IDs of the SMA devices from the gateway for example using a SCADA system i Accessing the gateway You access the gateway via the IP address of the Cluster Controller under the unit ID 1 The assignment of the system devices for unit IDs 3 to 247 is stored in the Modbus registers from address 42109 Each assignment has an address range of four Modbus registers You can find the Modbus register of the gateway in Section 5 2 Gateway page 27 Example Read out
52. o account during data transmission You can find the number of possible Modbus registers per command in Section 3 6 With data storage in the Motorola format big endian data transmission begins with the high byte and then the low byte of the Modbus register 3 6 Reading and Writing of Data The Modbus interface can be used via the protocol Modbus TCP and via the protocol Modbus UDP Using Modbus TCP enables read and write access RW and using Modbus UDP enables only write access WO to the Modbus register The following Modbus commands are supported by the implemented Modbus interface Modbus command Hexadecimal value volume number of registers Read Holding Registers 0x03 1 to 125 Read Input Registers 0x04 125 Write Single Register 0 06 1 Number of Modbus registers transferable as data block per command Technical Description ClusterController_Modbus TB US en 15 15 Product Description SMA America LLC Write Multiple Registers 0x10 1 to 123 Read Write Multiple Registers Ox17 Read 1 to 125 Write 1 to 121 Error messages on reading or writing individual Modbus registers If a Modbus register is accessed which is not contained in a Modbus profile or if a Modbus command is incorrect a Modbus exception is generated Modbus exceptions are also generated when write access occurs on a read only Modbus register or read access occurs on a write only Modbus register Reading or writing of data bloc
53. odbus TB US en 15 Technical Description SMA America LLC Product Description 3 Product Description 3 1 Modbus Protocol The Modbus Application Protocol is an industrial communication protocol that is currently used the solar sector mainly for plant communication in PV power plants The Modbus protocol has been developed for reading data from or writing data to clearly defined data areas The Modbus specification does not prescribe what data is within which data area The data areas must be defined device specifically in Modbus profiles With knowledge of the device specific Modbus profile a Modbus master e g SCADA system can access the data of a Modbus slave e g SMA Cluster Controller The special Modbus profile for SMA devices is the SMA Modbus profile 3 2 SMA Modbus Profile The SMA Modbus profile contains definitions for SMA devices A reduction of the available data on SMA devices was carried out for the definition and this was then assigned to the corresponding Modbus registers The SMA Modbus profile contains for example the total and daily energy current power voltage and current levels The assignment between SMA device data and Modbus addresses is split into ranges in the SMA Modbus profile and these can be addressed via unit IDs see Section 3 5 Addressing and Data Transmission in the Modbus Protocol page 14 To enable access to data of an SMA device a special gateway is required and this is provided by wa
54. odbus profile is created in the file usrprofile xml The XML file s basic structure looks like this lt xml version 1 0 encoding UTF 8 virtual modbusprofile channel unitid aaa source bbbbb destination ccccc gt I End of the instructions lt virtual_modbusprofile gt Legend for XML tags and attributes XML tag or attribute Explanation lt virtual_modbusprofile gt A user definded Modbus profile is created within this XML lt virtual_modbusprofile gt structure lt channel gt Within a channel tag a Modbus address of a unit ID is redefined unitid aaa Specifies the unit ID of the device which Modbus addresses are to be used as a source Available unit IDs for individual devices are 3 to 247 source bbbbb Specifies a Modbus address of the devices selected under unitid whose parameters or measured values are to be used as source see Section 5 Assignment Tables page 26 52 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC User Defined Modbus Profile destination ccccc Specifies the new Modbus address at which the parameter or measured value is to be accessed 0 to 65535 Note the number of Modbus registers that are stored at the initial address The destination registers must not overlap If incomplete Modbus registers are called up later a Modbus exception is generated If register addresses are called up which are not filled with va
55. on of IT systems Knowledge of and compliance with this document and all safety precautions 2 3 Safety Precautions This section contains safety precautions that must be observed at all times when working on or with the product To prevent personal injury and property damage and to ensure long term operation of the product read this section carefully and follow all safety precautions at all times Damage to SMA inverters The parameters of the SMA inverters that can be changed with writable Modbus registers RW are intended for long term storage of device settings Cyclical changing of these parameters leads to destruction of the flash memory of the devices Device parameters must not be changed cyclically Contact the SMA Service Line if you would like to automate the remote control of your PV system see Section 9 Contact page 61 Technical Description ClusterController_Modbus TB US en 15 9 Safety SMA America LLC 2 4 Information on Data Security 1 Data security in Ethernet networks You can connect the Cluster Controller to the Internet When connecting to the Internet there is a risk that unauthorized users can access and manipulate the data of your PV system Take appropriate protective measures e g Setup a firewall Close unnecessary network ports Only enable remote access via VPN tunnel Do not set up port forwarding at the Modbus port in use 10 ClusterController M
56. p Technical Description SMA CLUSTER CONTROLLER Modbus Interface ClusterController_Modbus TB US en 15 Version 1 5 ENGLISH Legal Provisions SMA America LLC Legal Provisions Copyright 2012 2014 SMA America LLC All rights reserved No part of this document may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photographic magnetic or otherwise without the prior written permission of SMA America LLC Neither SMA America LLC nor SMA Solar Technology Canada Inc makes representations express or implied with respect to this documentation or any of the equipment and or software it may describe including with no limitation any implied warranties of utility merchantability or fitness for any particular purpose All such warranties are expressly disclaimed Neither SMA America LLC nor its distributors or dealers nor SMA Solar Technology Canada Inc nor its distributors or dealers shall be liable for any indirect incidental or consequential damages under any circumstances The exclusion of implied warranties may not apply in all cases under some statutes and thus the above exclusion may not apply Specifications are subject to change without notice Every attempt has been made to make this document complete accurate and up to date Readers are cautioned however that SMA America LLC and SMA Solar Technology Canada Inc reserve the right to make changes
57. product To reduce the risk of personal injury and to ensure the safe installation and operation of the product you must carefully read and follow all instructions cautions and warnings in this manual Warnings in this document warning describes a hazard to equipment or personnel It calls attention to a procedure or practice which if not correctly performed or adhered to could result in damage to or destruction of part or all of the SMA equipment and or other equipment connected to the SMA equipment or personal injury o lt 3 Description DANGER DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Indicates a situation which if not avoided could result in property damage Technical Description ClusterController_Modbus TB US en 15 3 Table of Contents SMA America LLC Table of Contents 4 Information on this 6 Safety Jude nce 9 2 1 Intended Use see ere tr a TH ERAS 9 2 2 Skills of Qualified Persons 9 2 3 Safety Precautions esse eU De epe e e HER RE 9 2 4 Information on Data Security
58. ssigned to individual devices If a unit ID is assigned to a device then the parameters and measured values of this device can be accessed The following table shows an overview of the unit IDs in the SMA Modbus profile Unit ID Explanation 1 This unit ID is reserved for the gateway of the Cluster Controller 2 This unit ID is reserved for the PV system parameters The unit IDs 3 to 247 are used for addressing individual devices and for the user 310 247 defined Modbus profile You can change the assignment of these unit IDs see Section 4 2 Information on Changing Unit IDs 20 Devices which are assigned to this unit ID were connected to the Cluster Controller or replaced after activation of the Modbus server The devices cannot be addressed with 255 this unit ID You must assign unit IDs from the range 3 to 247 to these devices see Section 4 2 Information on Changing Unit IDs page 20 3 5 2 Assignment of the Modbus Register to Unit IDs The assignment of the parameters and measured values of the SMA devices to Modbus register addresses is achieved using assignment tables and is also shown in this document see Section 5 SMA Modbus Profile Assignment Tables page 26 In the assignment table Gateway unit ID 1 the assignment of SMA devices to individual unit IDs is saved in the Modbus registers from address 42109 Each assignment has an address range of four Modbus registers although only th
59. sss 23 Overview ee de ege e e d e E RI e d en 23 4 42 Structure of the XML File usrplant xml seen 23 4 4 3 Activating and Deactivating usrplant xml ee 24 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Table of Contents 4 5 Resetting the Cluster Controller to the Default 25 5 SMA Modbus Profile Assignment Tables 26 5 1 Information on the Assignment Tables ee 26 5 2 Gateway Unit ID tette ete eee ie ient 27 5 3 PV System Parameters Unit ID 2 sese 29 5 4 SMA Devices Unit ID 3 to 247 31 6 User Defined Modbus Profile eee 52 6 1 Structure of the XML File for the User Defined Modbus Profile 52 6 2 Example of a User Defined Modbus Profile sss 53 6 3 Activating and Deactivating User Defined Modbus Profile 54 7 roubleshooting acad aide rdi dass 55 8 Technical Dau iesi 56 8 1 Supported SMA Inverters sse ntes 56 8 2 Number of SMA Devices anina a a E E 56 8 3 Modbus Communication Ports eerte 56 8 4 Data Processing and Time Behavior sse 57 8 5 Number Codes of the Time Zones eene 58 8 6 Frequently Used Number Codes ENUM sse 6
60. system control 2 532 FIX2 RW 40145 Reactive current setpoint A for the operating mode Specification by system control 2 532 FIX2 RW 40147 Generator active power limitation A for operating mode Active power limitation P through system control 2 U32 FIX2 RW 40149 Active power setpoint W for operating mode Active power limitation P through system control 2 532 FIXO RW 40151 System control active and reactive power control via communication 802 Active 803 Inactive 2 U32 ENUM RW 40153 40200 Reactive power setpoint VAr for operating mode Specification by system control Operating mode of the reactive power control 303 Off 1069 Reactive power voltage characteristic curve QV 1070 Reactive power direct setpoint 1071 7 Reactive power const Q kVAr 1072 Reactive power G setpoint via system control 1073 Reactive power Q P 1074 cos direct setpoint 1075 cos setpoint via system control 1076 cos characteristic curve 1387 Reactive power G setpoint via analog input 1388 cos g setpoint via analog input 1389 Reactive power voltage characteristic curve QIV with hysteresis and deadband 2 32 2 U32 FIXO ENUM RW RW Technical Description ClusterController_Modbus TB US en 15 49 SMA Modbus Profile Assignment Tables SMA America LLC 40202 40204 Reactive power setpo
61. ter reading of purchased electricity meter Wh U32 FIXO RO 30583 Meter reading of grid feed in meter Wh U32 FIXO RO 30585 Power outage time s U32 Duration 30587 Meter reading of PV production meter Wh U32 FIXO RO NINININI NIT ND 30589 Total increased self consumption Wh U32 FIXO RO 36 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC SMA Modbus Profile Assignment Tables 30591 Increased self consumption today Wh 2 U32 FIXO RO 30593 Total energy consumed internally Wh 2 U32 FIXO RO 30595 Consumed energy Wh 2 U32 FIXO RO 30597 Fed energy Wh 2 U32 FIXO RO 30599 Number of grid connections 2 U32 FIXO RO 30769 DC current input A 2 532 FIX3 RO 30771 DC voltage input V 2 532 FIX2 RO 30773 DC power input W 2 532 FIXO RO 30775 Active power on all line conductors W 2 532 FIXO RO 30777 Active power of line conductor L1 W 2 532 FIXO RO 30779 Active power of line conductor L2 W 2 532 FIXO RO 30781 Active power of line conductor L3 W 2 532 FIXO RO 30783 Line voltage line conductor L1 to N V 2 U32 FIX2 RO 30785 Line voltage line conductor L2 to N V 2 U32 FIX2 RO 30787 Line voltage line conductor L3 to N V 2 U32 FIX2 RO 30789 Line voltage line conductor L1 to L2 V 2 U32 FIX2 RO 30791 Line voltage line
62. ualization charge 1770 Float charge 30855 Current battery charging voltage setpoint V 2 U32 FIX2 RO 30857 Number of battery charge throughputs 2 32 FIXO RO Battery maintenance charge status 803 Inactive 30859 2 U32 ENUM RO 1771 Charge with solar power 1772 Charge with solar and line current 30861 Load power W 2 532 FIXO RO 30863 Current generator power W 2 U32 FIXO RO 30865 Power purchased electricity W 2 532 FIXO RO 30867 Power grid feed in W 2 532 FIXO RO 30869 Power PV generation W 2 532 FIXO RO Technical Description ClusterController_Modbus TB US en 15 39 SMA Modbus Profile Assignment Tables SMA America LLC 30871 Current self consumption W 2 U32 FIXO RO 30873 Current increased self consumption W 2 532 FIXO RO Multifunction relay status 30875 51 Closed 2 U32 ENUM RO 311 Open Electricity supply status 303 Off 30877 1461 Utility grid connected 2 U32 ENUM RO 1462 Backup not available 1463 Backup Reason for requesting generator 1773 No request 1774 Load 30879 1775 Time control 2 U32 ENUM RO 1776 Manual one hour 1777 Manual start 1778 External source PV system utility grid connection 1779 Disconnected 30881 2 U32 ENUM RO 1780 Utility grid 1781 Stand alone grid Status of utility grid 303 Off 1394 Wait for valid AC grid 1461 Utility grid connected 1466 Waiting 1787 Initialization 2183 Grid operation without feed back 30883 2
63. urer specification 1041 leading 1042 lagging 1069 Reactive power voltage characteristic curve Q V 1070 Reactive power Q direct setpoint 1071 Reactive power const Q kVAr 1072 Reactive power G setpoint via system control 1073 Reactive power Q P 1074 o direct setpoint 1075 setpoint via system control 1076 characteristic curve 1077 Active power limitation P W 1078 Active power limitation P 75 of PMAX 1079 Active power limitation P via system control 1387 Reactive power G setpoint via analog input 1388 setpoint via analog input han Reactive power voltage characteristic curve Q U with hysteresis and deadband 60 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC Contact 9 Contact If you have technical problems concerning our products contact the SMA Service Line We require the following information in order to provide you with the necessary assistance e Modbus master software or hardware used Software version of your SMA Cluster Controller of communication interface between the SMA Cluster Controller and the inverters Type serial numbers and software versions of the inverters connected to the PV plant United States SMA America LLC 1 877 MY SMATech 1 877 697 6283 Estados Unidos Rocklin CA 1916 625 0870 Canada Canad SMA Canada Inc 1 877 MY SMATech 1 877 697 6283 Toronto 2 toll free for USA
64. verters 8002 Wind turbine inverter 30051 8007 Battery inverter 2 U32 ENUM RO 8033 Consumer 8064 Sensor system in general 8065 Electricity meter 8128 Communication products Manufacturer specification 30055 2 U32 ENUM RO 461 SMA 30057 Serial number 2 032 RO 30059 Software suite 2 U32 FW RO 30193 UTC system time s 2 U32 DT RO Event number of the current event The number of digits is limited by the device for event messages see 30197 S 2 U32 FIXO RO the Technical Description Measured Values and Parameters 30199 Time until grid connection attempt s 2 032 Duration 32 ClusterController_Modbus TB US en 15 Technical Description SMA America LLC SMA Modbus Profile Assignment Tables Status of the device 35 Error 30201 303 Off 2 U32 ENUM RO 307 OK 455 Warning Power in OK status Displays the maximum active power W if the device 30203 2 U32 FIXO RO status is OK If the device status is another one the output is O W Power in warning status Displays the maximum active power if the device is in 30205 the warning status device is currently not feeding in 2 U32 FIXO RO automatic correction attempt is active If the device status is another one the output is W Power in error status Displays the maximum active power if the device is in 30207 the error status device is no longer feeding in user 2 U32 FIXO RO action is required
65. wer G setpoint via system control 30825 2 U32 ENUM RO 1073 Reactive power Q P 1074 cos direct setpoint 1075 cos setpoint via system control 1076 cos characteristic curve 1387 Reactive power G setpoint via analog input 1388 setpoint via analog input 1389 Reactive power voltage characteristic curve Q V with hysteresis and deadband 30827 Reactive power setpoint VAr 2 532 FIXO RO 30829 Reactive power setpoint 76 2 532 FIX1 RO 30831 Setpoint of cos p 2 32 FIX2 RO Setpoint excitation type of cos 30833 1041 Leading 2 U32 ENUM RO Technical Description SMA America LLC SMA Modbus Profile Assignment Tables Operating mode of active power limitation 303 Off 1077 Active power limitation P W 30835 1078 Active power limitation P of PMAX 2 032 ENUM RO 1079 Active power limitation P via system control 1390 Active power limitation P via analog input 1391 Active power limitation P via digital inputs 30837 Active power setpoint W 2 U32 FIXO RO 30839 Active power setpoint 2 U32 FIXO RO 30843 Battery current A 2 532 FIX3 RO 30845 Current battery state of charge 2 U32 FIXO RO 30847 Current battery capacity 76 2 U32 FIXO RO 30849 Battery temperature 2 532 TEMP 30851 Battery voltage V 2 U32 FIX2 RO Active battery charging mode 1767 Boost charge 30853 1768 Full charge 2 U32 ENUM RO 1769 Eq
66. y of the Cluster Controller 3 3 User Defined Modbus Profile The user defined Modbus profile enables you to reassign Modbus addresses of the SMA Modbus profile One advantage of reassigning Modbus addresses is for example that you can arrange relevant measured values and parameters in sequence for a specific purpose These addresses can then be read and written in a single data block 3 4 PV System Topology The SMA Modbus profile was developed for a hierarchical PV system structure In this structure the Cluster Controller is a communication device which is equipped with a Modbus TCP IP and Modbus UDP IP interface All additional SMA devices that are connected to the Cluster Controller via the SMA fieldbus are subordinate to the Cluster Controller From the perspective of the Modbus protocol the Cluster Controller represents a Modbus slave that provides a gateway to SMA devices The SMA devices can only be addressed using this gateway per unit ID Technical Description ClusterController_Modbus TB US en 15 11 Product Description SMA America LLC Example 1 PV System Topology from the Perspective of the SMA Devices MODBUS Master MODBUS TCP IP UDP IP Unit ID 1 STP nnOOOTL 10 m Line Explanation IP network connection between SCADA system and Cluster Controller PV system router fieldbus Logical assignment of SMA device to unit ID 12 ClusterController Modbus TB US en 15 Techn
67. zona 9574 UTC 07 00 Dublin Edinburgh Lisbon London 9534 UTC 00 00 Astana Dhaka 9515 UTC 06 00 Fiji Marshall Islands 9531 UTC 12 00 Asuncion 9594 UTC 04 00 Georgetown La Paz San Juan 9591 UTC 04 00 Athens Bucharest Istanbul 9537 UTC 02 00 Greenland 9535 UTC 03 00 Atlantic Canada 9505 UTC 04 00 Guadalajara Mexico City 9584 UTC 06 00 Auckland Wellington 9553 UTC 12 00 Monterrey Azores 9509 UTC 01 00 Guam Port Moresby 9580 UTC 10 00 Bagdad 9504 UTC 03 00 Harare Pretoria 9567 UTC 02 00 Baku 9508 UTC 04 00 Hawaii 9538 UTC 10 00 i 07 Helsinki Kiev Riga Sofia Tallinn M 9566 UTC 07 00 E i i Kiev Riga Sotia Tallinn 9532 UTC 02 00 eijing Chongqing Hong Kong ilnius 9522 UTC 08 00 r mqi Hobart 9570 UTC 10 00 Beirut 9546 UTC 02 00 Indiana East 9573 UTC 05 00 Belgrade Bratislava Budapest International Date Line West 9523 UTC 12 00 9517 UTC 01 00 Ljubljana Prague Irkutsk 9552 UTC 08 00 Bogot Lima Quito 9563 UTC 05 00 Islamabad Karachi 9579 UTC 05 00 Brasilia 9527 UTC 03 00 Jerusalem 9541 UTC 02 00 Brisbane 9525 UTC 10 00 Kabul 9500 UTC 04 30 Brussels Copenhagen Madrid Katmandu 9552 UTC 05 45 i 9560 UTC 01 00 Paris Krasnoyarsk 9556 UTC 07 00 Buenos Aires 9562 UTC 03 00 Kuala Lumpur Singapore 9544 UTC 08 00 Cairo 9529 UTC 02 00 Kuwait Riyadh 9502 UTC 03 00 Canberra Melbourne Sydney 9507 UTC 10 00 Magadan Solomon Islands New 9519 UTC 1 1 00 Cape Verde Islands 9511 UTC 01 00 Caledonia Caracas 9564 UTC 04 30

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