1. APPLICATION AREAS FOR INTEGRATED INTERFACES

2. DATA COMMUNICATION APPLICATIONS 2 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / FRONIUS GALVO The future-proof inverter for small self-consumption systems. / FRONIUS SYMO Maximum flexibility for the applications of tomorrow.

3. 3 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / The Fronius Galvo and Fronius Symo inverters have numerous permanently integrated interfaces that can be used for a variety of practical applications. / The following slides provide an overview of the various application possibilities / How is the inverter connected to the internet? / How can data be saved locally? / How can the inverter be updated? / How can loads be controlled? / How can the inverter send signals? / How can the inverter be controlled remotely? / How is a dynamic power reduction realized? / How can devices from third-party suppliers be integrated? / How are multiple inverters connected?

4. OVERVIEW OF INTEGRATED INTERFACES 4 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 EXTERNAL INPUT (F.E. FOR A S0-METER) FRONIUS SOLAR.NET IN FRONIUS SOLAR.NET OUT USB INTERFACE FLOATING RELAY OUTPUT DIGITAL INPUTS AND OUTPUTS (I/OS) (ONE OF THEM IS A DIGITAL OUTPUT FOR ENERGY MANAGEMENT) ETHERNET WLAN ANTENNA 1 2 3 8 5 6 7 1 2 3 4 5 6 7 4 8

5. 5 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 INTERFACES FRONIUS GALVO / FRONIUS SYMO WLAN / Ethernet LAN Fronius Solar.web, Modbus TCP, JSON 6 inputs or 4 digital inputs/outputs Interface to ripple control receiver Inputs: Voltage level low: min. 0V - max. 1.8V; high: min. 3V - max. 30V / Input resistance: 46kOhm Outputs: 4 Watt @ 12.5 V in total for all four digital outputs when supplied internally 1A @ >12.5V to 24V per digital output when supplied externally by an external power supply USB (type A socket) For USB sticks 2x RS422 (RJ45 socket)Fronius Solar Net, interface protocol Signalling output Floating relay output: Signalling, energy management Max. 250 V AC / 30 V DC and max. 4 A AC / 1 A DC Datalogger and WebserverIntegrated External inputS0-meter interface INTERFACES FRONIUS GALVO LIGHT / FRONIUS SYMO LIGHT USB (type A socket) For USB sticks 2x RS422 (RJ45 socket)Fronius Solar Net, interface protocol Signalling output Floating relay output: Signalling, energy management Max. 250 V AC / 30 V DC and max. 4 A AC / 1 A DC

6. HOW IS THE INVERTER CONNECTED TO THE INTERNET? 6 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / The inverter can be connected directly to the router via LAN (Ethernet) or WLAN / When using WLAN, a cable connecting the inverter to the router is not required / Using the internet connection gives the user access to the free Fronius Solar.web online portal as well as Fronius Solar.TV and the Fronius Solar.web App / The connection to Fronius Solar.web ensures that rapid technical support can be provided in the event that servicing is required / Register for Fronius Solar.web at: www.solarweb.comwww.solarweb.com

7. 7 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 FRONIUS INVERTER ROUTER WLAN/LAN FRONIUS SOLAR.WEB PV GENERATOR FRONIUS SOLAR.TV FRONIUS SOLAR.WEB APP

8. HOW CAN DATA BE SAVED LOCALLY? Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / Data can be saved locally using a USB stick / Simply insert a conventional USB stick and the data from the inverter will be stored on the stick / The data is saved in a CSV file so that it can easily be processed in Microsoft Excel, for example

9. 9 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 NOTE: SETTINGS ON THE DISPLAY ACCORDING TO OPERATING INSTRUCTIONS

10. HOW CAN THE INVERTER BE UPDATED? 10 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / Software updates ensure that the latest version of the software is installed on the inverter / The software can be updated using a conventional USB stick; the inverter has an integrated USB interface for this purpose / Save the new software onto the stick, insert it into the inverter and perform the update / No additional hardware is required for the update process

11. 11 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 Download the latest software from: www.fronius.com – Solar Electronics – Info & Support – Software Downloadswww.fronius.com Maximum size of the USB stick: 65 x 30 mm NOTE: SETTINGS ON THE DISPLAY ACCORDING TO OPERATING INSTRUCTIONS

12. HOW CAN LOADS BE CONTROLLED? 12 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / The inverters can turn consumers on and off automatically using power thresholds / If the output level of the photovoltaic system exceeds the preset ON value, the consumer will be switched on / If the output level of the photovoltaic system falls below the preset OFF value, the consumer will be switched off again / Consumers can be connected to the Fronius Galvo and Fronius Symo inverters in two different ways: / using a digital output / using a floating relay contact

13. 13 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / The inverters can turn consumers on and off automatically using power thresholds / Variant 1 – using a digital output : Heater example: ON at 2 kW, OFF at 1.5 kW, minimum running time: 60 mins I/0 1 L N GND Contactor NOTE: SETTINGS ON THE WEB INTERFACE OF THE INTEGRATED WEB SERVER

14. N Supply, e.g. 230V AC / The inverters can turn consumers on and off automatically using power thresholds / Variant 2 – floating relay contact : / Direct switch on from max. 30V and 1A DC – or max. 250V and 4A AC / Swimming pool pump example: ON at 1 kW, OFF at 0.5 kW Pin 2 (root)Pin 3 (NO contact ) HOW CAN LOADS BE CONTROLLED? Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 NOTE: SETTINGS ON THE DISPLAY ACCORDING TO OPERATING INSTRUCTIONS

15. HOW CAN THE INVERTER SEND SIGNALS? 15 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / Audiovisual alarm devices can be connected to the relay contact / When an error occurs, the inverter switches the relay contact and the signal starts / The relay contact can be used either as an alarm device or to connect a load Supply, e.g. 230V AC N Pin 2 (root)Pin 3 (NO contact) NOTE: SETTINGS ON THE DISPLAY ACCORDING TO OPERATING INSTRUCTIONS

16. HOW CAN THE INVERTER BE CONTROLLED REMOTELY? 16 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / The ripple control receiver can be connected directly to the inverter so that the PSC can control it remotely / Power reduction and power factor can be controlled using the digital inputs for the ripple control receiver / Digital inputs can be configured by the user

17. 17 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 Up to eight inputs can be configured, one output is available for feedback to the PSC. NOTE: SETTINGS ON THE WEB INTERFACE OF THE INTEGRATED WEB SERVER

18. HOW IS A DYNAMIC POWER REDUCTION REALIZED? 18 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / A S0-meter can be connected directly to the inverter, in order to take self-consumption into account for feed-in limits (f.e. 70 % of the kWp, max. 5 kW or similar) / The meter can connected at the feed-in point or directly in the consumption path / The feed-in limit and the number of impulses can be set individually NOTE: MORE DETAILED INFORMATION ON THE INSTALLATION AND SETUP CAN BE FOUND IN THE MANUAL OF THE FRONIUS DATAMANAGER NOTE: MORE DETAILED INFORMATION ON THE INSTALLATION AND SETUP CAN BE FOUND IN THE MANUAL OF THE FRONIUS DATAMANAGER

19. 19 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 S0-meter NOTE: SETTINGS ON THE WEB INTERFACE OF THE INTEGRATED WEB SERVER

20. HOW CAN DEVICES FROM THIRD-PARTY SUPPLIERS BE INTEGRATED? 20 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / The open interfaces permit easy communication between the inverters and third-party components / Integrating the photovoltaic system into higher-level energy management or home automation systems is therefore a simple matter / The Fronius Galvo and Symo offer the following open interfaces via Ethernet or WLAN : / JSON / Modbus TCP / For example: Integration into home control system with the Loxone Miniserver to effectively maximise self-consumption

21. 21 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 Network cable or WLAN WLAN Parallel operation of Fronius Solar.web and integration into home control system possible. Router or switch

22. HOW ARE MULTIPLE INVERTERS CONNECTED? 22 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / Multiple Fronius inverters can be connected to each other via the Fronius Solar Net ring, a bus system configured as a ring. / The data connection for Fronius Solar.Net nodes uses a 1:1 connection with 8-pin data cables and RJ45 plugs. A termination plug is plugged in at each end of the ring. / The Fronius Galvo and Fronius Symo inverters are equipped with the required interfaces (Fronius Solar.Net IN and Fronius Solar.Net OUT). / In a Fronius Solar Net ring, only one Fronius inverter with an integrated datalogger is required; the remaining inverters must be "light" variants. NOTE: MORE DETAILED INFO ON CABLING CAN BE FOUND ONLINE IN THE GUIDELINES ON DATCOM CABLING.

23. 23 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / Cabling using the Fronius Solar.Net ring: Termination plug Fronius Solar.Net IN Fronius Solar.Net OUT Fronius Solar.Net IN Termination plug 1) 1) "light" variant

24. THE SEEDS OF OUR INNOVATIONS 24 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 14 Fronius Solar Electronics Division subsidiaries

25. CONTACT DETAILS 25 Fronius International GmbH / first name and surname / Application areas integrated interfaces / 0x.0x.20xx - v04 / The latest information about our innovations and seminar dates can be found on our homepage: www.fronius.com

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