FRONIUS Galvo User manual

Energy Management Function

Of Fronius Datamanager 2.0

* Included in Fronius Galvo / Primo / Symo / Eco

Version 1.0, Training and Education, PH

2016, Fronius International GmbH

1 GENERAL INFORMATION

The Energy Management Function on the Fronius Datamanager essentially allows the power produced from the

solar system to “divert” to a load instead of exporting it to the grid.

The Fronius Datamanager comes built-in in the inverter series Fronius Galvo, Primo, Symo, Eco and can be

retrofitted to Fronius IG, IG Plus, and CL. The Fronius Datamanager is available as card or box.

A key feature allows an external load to be turned ON or OFF depending on the amount of power the inverter is

producing or according to the amount of production being consumed on-site.

Using a Fronius Smart Meter (energy meter) in the installation allows the consumption to be taken into account

and therefore a load can be switched on whenever there is surplus power available that can be used on site

instead of feeding it into the grid. This increases the self-consumption ratio. Without the energy meter in the

system loads can be controlled accordingly to the output power of the inverter.

The Energy Management Function puts out one signal. It can be potentially used to switch electric hot water

heater, heat pump, pool pump, air conditioner, bore pump, etc.

This document describes how to use the functionality and setup of the Energy Management Function of the

Fronius Datamanager.

1.1 System design

1.1.1 Switching loads via external relay

The digital output signal of the Datamanager controls an external relay which switches the load. The energy

meter measures the loads in order to calculate the available surplus power.

Figure 1 –Energy management function on external relay and energy meter

Load

Grid

Modbus RTU (RS 485)

kWh

Fronius

Smart Meter

Fronius inverter with

Datamanager

Digital signal

output

Ext. Relay

1.1.2 Switching loads via external relay without energy meter

The digital output signal of the Datamanager controls an external relay, which switches the load. The threshold

to switch ON/OFF can be set accordingly to the output power of the inverter.

Figure 2 –Energy management function on external relay

1.2 Wiring detail

The following diagram shows a typical wiring example using an external relay and an override switch that allows

the additional, manual control of the load.

Figure 3 –Example connection diagram

This circuit consists of an override switch (1) where the load can be switched manually and the power outlet (2), which the

load can be connected to. With the external relay (3) the loads will be switched on/off controlled by the settings of the

Fronius Datamanager (4).

The output on the Datamanager is on I/O port 1 and the Minus pole (or GND on Datamanger 1.0). For further

details see next chapter.







OFF

MAN

AUTO

–

I/O 1

Fronius inverter with

Datamanager

External Relay



Load

Grid

Fronius inverter with

Datamanager

Digital signal

output

Ext. Relay

2 FRONIUS DATAMANAGER HARDWARE

2.1 Fronius Datamanager version 2.0

Fronius Datamanager 2.0 has more functions than version 1.0. The new features include the Modbus RTU

(RS4585) communication protocol to connect a Fronius Smart Meter (energy meter) and the built-in WiFi

hotspot, which allows commissioning and adjusting the settings wirelessly.

Fronius Datamanger Version 2.0 was built-in in Fronius Galvo and Symo inverters until end of 2014. Inverters

with a serial number 25490000 and higher are equipped with version 2.0. It is built-in in all Fronius Primo and

Eco units.

Figure 4 - Datamanager 2.0 –card & plug

Switching capacity of the digital output of the Fronius Datamanager 2.0 plug-in card: 3.2 W, 10.8/12.8 V

10.8 V: Fronius IG, Fronius IG Plus, Fronius IG Plus V, Fronius CL, Fronius IG 300–500

12.8 V: Fronius Galvo, Fronius Primo, Fronius Symo, Fronius Eco

3 SOFTWARE SETUP AND CONFIGURATION

3.1 Fronius Datamanager interface

The settings can be adjusted via the Datamanager website (webserver is built-in) by following these steps:

/ Activate the Wi-Fi hotspot* on the Datamanager card (inverter) or Datamanager Box 2.0

/ Connect your computer/tablet/smartphone to the Datamanager’s WLAN hotspot*. Or connect a LAN cable to

the computer.

/ Open a web browser and go to http://192.168.250.181 or http://datamanager/

Alternatively you can use Fronius SolarWeb App for tablet or smart phone and go to ‘Settings’ and click

‘PV Inverter Homepage’

/ Select Firmware update on the Datamanager’s web interface (also called PV Inverter Homepage)

3.2 Energy manager settings

3.2.1 Datamanger software version 3.3.0 and higher

Before setting the thresholds to switch ON/OFF, the following points should be considered

/ Approx. base load of the site should be measured (energy meter) or calculated.

/ PV system size known

/ Power requirement of the device to be controlled with the Energy Management Function

I/O 1

–

To adjust the settings follow these steps:

/ Go to the Datamanager Web Interface (For instructions on how to go to the Datamanager Web interface see

chapter ‘Datamanager Web interface’ in the apendix.)

/ Go to “Settings”

/ Select the “ENERGY MANAGER” tab (see Figure 10)

1. Activate Energy Management function by selecting “Controlling: by power production”.

If a Fronius Smart Meter is included in the system, the setting “by power surplus (in case of feed-in

limits)” can be chosen. The treshholds to switch ON/OFF are then activated according to site surplus

energy.

2. Set “Thresholds on:” to level of which the relay should be switched on

3. Set “Thresholds off:” to level of which the relay should be switched off

4. Set “Minimum duration per on-signal” (if required)**

5. Set “Maximum duration per day” (if required)

6. Click “Save” for the settings to be activated

If the load needs to be switched ON every day for a certain amount of time, then apply the following settings:

1. Tick “Desired duration” to activate a minimum time to switch on (if required)

2. Set a desired daily ON duration in minutes (“per day”)

3. Set the time of day when the desired duration should be completed by (“is to finish by”)

4. Click “Save” for the settings to be activated

Figure 6 - Datamanager web interface

Go to ‘ENERGY MANAGER’’

Figure 7 - Datamanager web interface when using an energy meter

3.2.2 Datamanger software version 3.2.2 or smaller

Note: Datamanager software version 3.2.2 and smaller have less features. To get the full functionality make a

software update as described in chapter 5.2 Software Update of Datamanager.

To adjust the settings on Datamanger software version 3.2.2 or smaller follow the steps:

1. Activate function by ticking “Approved”

2. Set “Operating point ON” to level of which the relay should be switched on

3. Set “Operating point OFF” to level of which the relay should be switched off

4. Set “Minimum ON” time (if required).

5. Click “Save” for the settings to be activated

3.3 Remote control

It is possible to remotely adjust the settings of the Datamanager from any PC connected to the same LAN (local

network). Therefore it is required to use a “Static IP’ address in the network settings of the Datamanger. For a

static IP adress ask your local IT administrator. This IP address can then be saved in the browser for easy

access to the Datamanager interface. Some new network routers (Wi-Fi router) also allow to use the URL

http://datamanager/.

To get remote access outside of the LAN an external IP address is needed. Ask your IT administrator or internet

provider for assistance.

** Some loads require to be ON for a minimum time (for example an air-conditioner)

*** Cannot be chosen if a S0 meter is placed in the consumption path.

Chose the ON/OFF threshold

either a value for ‘Feed in’ or

‘Consumption’***.

5 APPENDIX

5.1 Hardware example for the external relay

Components for 10A relay

1 x FINDER Relay –10A, PCB, DPCO, 12VDC

1 x FINDER Relay Socket with clip 44 Series

Components for 16A relay

1 x FINDER Relay –16A, DPST, 12VDC

1 x FINDER Relay DINrail Socket 62 Series

1 x FINDER Metal Retaining Clip 62 Series

Other DC coil relays can be used, however the power requirement of the relay coil needs to be crosschecked

against the Datamanager’s I/O port power capability.

5.2 Fronius Datamanager web interface

The Datamanager has a web server built-in which enables remote settings adjustments via a normal web

browser or via Fronius Solar.Web App.

/ Activate the Wi-Fi hotspot on the Datamanager card (inverter) or Datamanager Box 2.0

/ Connect your computer/tablet/smart phone to the Datamanager’s WLAN hotspot

/ Open a web browser and go to http://192.168.250.181 (via Wi-Fi of Datamanager 2.0 only)

or http://datamanager/

Alternatively you can use Fronius Solar.Web App for tablet or smart phone and go to ‘Settings’ and click

‘PV Inverter Homepage’

5.3 Software update for Fronius Datamanager

/ Go to Datamanager web interface as described in 5.2 Datamanager web interface

/ Select Firmware update on the right hand side of the Datamanager web interface (also called PV Inverter

Homepage) and follow the steps shown in the pictures below.

/ Check and run update on the firmware update page

For more detailed information on how to upgrade the firmware for Fronius Datamanager 2.0 please see the

Operating Instructions on the Fronius website under Solar Energy / Products / System monitoring / Datalogging

/Fronius Datamanager 2.0 or click:

https://www.fronius.com/cps/rde/xchg/SID-3CFA85E0-

CB8FB9FB/fronius_international/hs.xsl/83_27954_ENG_HTML.htm#.V8Ql_OnylUY

*In case there is no internet connection on the Datamanager the software update can be run on a computer.

The software can be downloaded from the Fronius Website under Solar Energy/Info & Support/Software

Downloads/Software Updates or click here:

https://www.fronius.com/cps/rde/xchg/SID-3CFA85E0-

CB8FB9FB/fronius_international/hs.xsl/83_20347_ENG_HTML.htm#.V8QmNenylUY

Troubleshooting: Please read instruction manual or call

Fronius International - Technical Support Hotline

+43 (0) 7242 241- 5670

Fronius reserves all rights, in particular rights of reproduction, distribution and translation. No part of this work may be reproduced in any way

without the written consent of Fronius. It must not be saved, edited, reproduced or distributed using any electrical or electronic system.

You are hereby reminded that the information published in this document, despite exercising the greatest of care in its preparation, is subject

to change and that neither the author nor Fronius can accept any legal liability. Gender-specific wording refers equally to female and male

form.

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