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SP PRO II Series
Installation Notes
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Selectronic SP PRO II Series, SP PRO I Series, SP PRO 2i Series Installation Notes

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SP PRO Fronius Primo Managed AC Coupling
Introduction
The SP PRO and Selectronic Certified (SCERT) Fronius Primo Managed AC Coupling provides a method of linking the single phase Fronius Primo range of grid tie inverters to the SP PRO via the AC Load supply. Regardless of whether the grid or a generator is connected, the SP PRO can manage and control the Fronius grid tie inverters.
Each SP PRO can manage a maximum of five Fronius Primo SCERT grid tie inverters by commanding each one to output the required amount of power to simultaneously supply the load, export to the grid and charge the battery bank as required at any particular point in time. This is done via a communications link between the SP PRO and the Fronius Primo SCERT.
This document only applies to Fronius Primo SCERT inverters that have been pre-programmed by Selectronic and details the additional steps needed to install the managed system.
The SP PRO and Fronius Primo SCERTs must be installed as per their individual installation instructions with the additional allowance of communications cables linking all of the inverters together.
Note: This document needs to be read in conjunction with the SP PRO Instruction Manual and the Fronius Primo Instruction Manual.
• Only make adjustments to the Primo configuration as indicated in this
document.
• The SP PRO and Fronius Primo SCERT Managed AC coupling cannot be used
with a Fronius Smart Meter. See Appendix III: Disable Fronius Smart Meter
(page 40).
• Installer must contact Fronius for the Profile Settings access code.
• SP PRO Series 2i and Series II: Single and Advanced Multiphase compatible.
• SP PRO Series I: Single Phase only.
For Fronius Primo SCERT that need to be re-programmed, see Appendix II: Fronius Step Through Configuration (page 28).
ADDITIONAL INFORMATION
Selectronic web site – http://www.selectronic.com.au or contact the Selectronic Sales Team.
No SP PRO Installed? Important information
If the Primo inverter is not yet connected to an SP PRO, refer to Fronius SCERT Backup Ready Connection instructions (page 3).
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Installation check list
The following table summarises the steps taken to set up a Fronius Primo SCERT in a Managed AC Coupled system. Once the system has been installed, use the table to check that each step has been completed.
Refer to the pages following the tables for detailed information on each of the installation steps.
Installation step
Pages
SP PRO Series I
SP PRO
Series II and 2i
1
Install SP PROs as per manual
2
Install and configure batteries
Installing Fronius Primo SCERT without an SP PRO
3
3
Fronius Primo must be Selectronic Certified
4,5 & 7
4
SP PRO Firmware Requirement - V9.09 or higher
7
5
Fronius Primo AC Wiring
8
6
Communications Link (RS485)
10
6a
Series 2i ONLY
RS485 Communication connection between SP PRO and Fronius Primo
11
6b
Series I ONLY
RS485 Communication connection between SP PRO and Fronius Primo
12
7
Communications connection for Fronius Primo 01 (Master)
14
8
Communications link for multiple installed Fronius Primos
15
9
Configure SP PRO Note: SP PRO must be configured via SP LINK “Site Configuration Wizard” before configuring Fronius Primo
17
10
Configure the Fronius Primo for the first time
18
11
Test system function
23
12
Step Through Config – for Fronius Primo SCERT that need to be re-programmed
28
13
De-configure Fronius Smart Meter
40
Table key: – Applicable – Not Applicable
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Fronius SCERT “Backup Ready” Connection
When Selectronic Certified Fronius Primos are installed without an SP PRO,
1. A link must be fitted to the orange “Fronius Datamanager Connector” from the “+” pin
to IO “2” pin so that Fronius Primos can produce full power.
2. The country code must be set to AU – Australia
Please note: The link is only required when the Primo inverter is installed without an SP PRO.
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Overview – Series 2i
The diagram below shows a managed AC coupled system with five Fronius Primos.
System Requirements
To successfully install the inverters, there are particular system requirements that need to be met.
• SP LINK Site Configuration Wizard must be used to verify:
1. Combined maximum Fronius AC output
2. Battery bank size
• The combined maximum AC output of all the connected Fronius Primos must be verified
in the SP LINK Wizard.
• Battery bank must be sized to suit the SP PRO model and the combined maximum AC
Output power of the Fronius Primos, check the SP LINK Wizard.
• The SP PRO must have firmware version 9.09 or higher.
• The Fronius Primo must be Selectronic Certified.
• Maximum of five Fronius Primos per SP PRO.
To configure the SP PRO - Fronius system, the Site Configuration Wizard in SP LINK’s Easy Start Guide must be used.
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Overview – Series I
SUITABLE FOR SINGLE PHASE SYSTEMS ONLY
The diagram below shows a managed AC coupled system with five Fronius Primo inverters.
System Requirements
To successfully install a SP PRO Series I - Fronius managed system, there are particular system requirements that need to be met.
• SP LINK Site Configuration Wizard must be used to verify:
1. Combined maximum Fronius AC output
2. Battery bank size
• To install an AC coupled system using a Series I SP PRO an additional AC coupling
adaptor (stock code 005077) is required.
• The SP PRO must have firmware version 9.09 or higher.
• The Fronius Primo must be Selectronic Certified.
• Maximum of five Fronius Primos per SP PRO
To configure the SP PRO Fronius system, the Site Configuration Wizard in SP LINK’s Easy Start Guide must be used.
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MINIMUM battery capacity for Solar Hybrid & Off Grid Systems
Each application will have a minimum battery capacity and a maximum allowable PV, please refer to the battery manufacturers data sheet as well as the guidance given in the SP LINK Site Configuration Wizard.
Note:
a. For a Solar Hybrid (grid connected) system, the minimum battery capacity that must be
connected to the SP PRO varies depending on SP PRO model. When the system is islanded (e.g. during a grid outage) the SP PRO will limit the output of the AC coupled solar based on the actual installed battery size.
b. For an Off-Grid system, the minimum battery capacity that must be connected to the SP
PRO varies depending on SP PRO model, an overriding minimum battery capacity and the combined maximum Fronius Primo AC Output.
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SP PRO Firmware Requirements
1. All SP PRO Revisions are supported.
2. SP PRO Software Version 9.09 or higher is
required. To check firmware revision run SP LINK, connect to the SP PRO and go to Data View – Technical Data – “SP PRO Revision” and “Software Version”.
• Older revisions of firmware must be updated
to firmware revision 9.09 or higher.
• Do not change any configuration settings
until the firmware is updated.
Data View – Technical Data screen
Note: Selectronic web site – http://www.selectronic.com.au for latest SP LINK software with the SP PRO firmware included.
FRONIUS PRIMO MUST BE SELECTRONIC CERTIFIED
The Fronius Primo inverter must be Selectronic Certified. Other Fronius Primo inverters will not operate correctly.
Note: do not update Fronius Primo firmware or Datamanager firmware
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Installation
The SP PRO and Fronius Primos must be installed as per their respective installation instructions. Particular instructions directly related to Managed AC Coupling are listed below.
It is good practice to number each Fronius Primo from 1 up to 5 so that each inverter can be easily referenced within SP LINK.
In a multiphase system, label each Fronius Primo connected to L1, from L1-1 to L1-5. Do the same for each of the Fronius Primos connected to L2, from L2-1 to L2-5, and so on.
This number 1 to 5 is used for the communications link addressing. See Configuration section.
Fronius AC wiring
For correct and safe operation, the Fronius AC output wiring must be connected to the AC Load terminals of the SP PRO in accordance with local wiring rules.
Fronius AC Wiring guide for Grid connected installation
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Fronius AC Wiring guide for Off Grid installation
Note: The system will not function correctly if the Fronius Primos are installed on the AC Source side of the SP PRO.
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Communications Link (RS485)
For Series II, see Appendix IV.
The communication link always starts at the SP PRO, then connects to the first Fronius Primo (Master). The Fronius link is used to connect subsequent Fronius Primos on the same phase as the SP PRO. Do not connect Fronius Primos on different phases together.
SP PRO Connections (inside unit) – RS485 Port 2 RJ45 connector to RS485 Adapter to Fronius Datamanager connector
Sync 1
Sync 2
RS485 Port 1
CAN
SP PRO Advanced
Communications Card
Expansion
Card
RS485 Port 2
DRM
Fronius Inverter
SP PRO Inverter
Fronius
Datamanager
Connector
Fronius Solar Net
Connector
(IN/OUT)
RS485 Adapter
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RS485 Connection to First Fronius Primo (Master) – Series 2i
Using the supplied ‘CAT5’ network cable connect one end to the RS485 Port 2 RJ45 connector on the SP PRO’s Advanced Communications Card. At the Fronius Primo 01 (Master), connect the CAT5 cable to the RS485 adapter cable, and connect the RS485 adapter to the Fronius Data Manager Connector.
The Fronius link connects subsequent Fronius Primos on the same phase as the SP PRO. Do not link together Fronius Primos that are on different phases.
Please Note: To terminate the RS485 adapter cable into the Data Manager Connector, push
down the black tabs and push the bootlace pinned wires into the connector as follows.
Fronius Primo Connections (inside unit) – RS485 Adapter Wires terminated into the Fronius Datamanager Connector
Wire Colour
Fronius Datamanager Connector Label
Red
D - RS485
Black
D + RS485
White
- (GND)
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RS485 Communication to First Fronius Primo (RS485) – Series I
The communication link always starts at the SP PRO end via Coupling Adaptor (Sena LTC100) and then connects to the first Fronius Primo (Master). The Fronius link is used to connect subsequent Fronius Primos ON the same phase as the SP PRO.
To install the Coupling adapter, use the RJ45 to DB9 lead and connect the Coupling adapter to the SP PRO Series I Serial Port 2. Then using ‘CAT5’ network cable or similar make, connect the Coupling adaptor to Fronius Primo 01 (Master) as per Table 1, Fronius Datamanager connector.
Note: Ensure that the Sena LTC100 adaptor switch is set to RS485.
Table 1: Coupling Adaptor to Fronius connections and wire colours
Coupling
Adaptor
Connections
Signal
T568A colour
code
T568B colour
code
Fronius RS485
Connector
RX-
Not Used
RX+
Not Used
GND
Ground
Green
Orange
- (minus)
TX- / TRX-
RS485 - A
Orange
Green
D- (RS485)
TX+ / TRX+
RS485 - B
Orange/White
Green/White
D+ (RS485)
Fronius Datamanager
Connector
Interface
Communication
IN/OUT
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SP PRO Port 2 RJ45 connector to Sena LTC100 and to Fronius Datamanager connector
To SP PRO Port 2 via RJ45 to DB9 cable
Sena LTC100 adaptor to Fronius invert 01 (Fronius Datamanagement connector)
Set Sena LTC100 adaptor Switch to RS485
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Fronius Connection
Connect the RS485 Adapter to the Fronius Datamanager connector as illustrated.
RS485 Adapter to Fronius Datamanager connector
For Fronius Primo 01 only, set the Master/Slave switch (located on the left-hand side of the orange connector) to “MASTER” as illustrated.
Master/Slave switch set to “MASTER” for Fronius Primo 01
Make sure that the Datamanager 2.0 plug-in card – IP switch is set to position B for Fronius Primo 01 (Master) only.
The Datamanager 2.0 plug-in card – IP switch is set to position B
Note: Make sure that the “X” LED is Green for Fronius Primo 01. If the LED is Red then the Fronius Solar Net Connector IN/OUT might not be connected correctly to all inverters (e.g. correct connection: Fronius Primo 01 OUT connected to Fronius Primo 02 IN…etc), or termination connectors are not fitted, or connectors are not plugged in correctly.
Fronius Datamanager Connector
Master/Slave Switch
“X” LED must
be Green
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Connecting Fronius link between Inverters 02 to 05
The following configuration outlines the connection for multiple Fronius Primos to the Master Fronius Primo (Fronius Primo 01). If only a single Fronius Primo is installed, skip to the next section page 17 (CONFIGURATION – ADDITIONAL SETTINGS).
Inside the Fronius Primo there are two RJ45 connectors (Fronius Solar Net Connector) with termination connectors installed. The Fronius Solar Net connectors are designed to interface with multiple Fronius Primos in a daisy chain arrangement via the input “IN” and output “OUT” connectors.
Fronius Solar Net Connectors with termination: “IN” located on LHS & “OUT” located on RHS
Note: The Fronius Solar Net Connector must be fitted to any unused connectors, or the SP PRO will not communicate to any Fronius Primos in the system.
Using a network patch lead connect the “OUT” (Fronius Solar Net) from Fronius Primo 01 (Master) to the “IN” of Fronius Primo 02.
Fronius link - Fronius Primo 01 “OUT”
Fronius Solar Net
Connectors
IN
OUT
OUT
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Fronius link - Fronius Primo 02 “IN” & Fronius Primo “OUT”
(Fronius connection on intermediate inverters)
Using another patch lead, connect the “OUT” from inverter 02 (above) to the “IN” of inverter 03 and so on until all inverters in the system are connected.
Fronius link - Last Fronius Primo on communication link (“IN”)
For all the inverters numbered 02 and above, set the Master/Slave switch (located on the left­hand side of the orange connector) to “SLAVE” as illustrated.
Fronius Primos 02 to 05: Master/Slave switch set to “SLAVE”
Note: When Master/Slave switch is set to “SLAVE”, the LED’s on the Datamanager 2.0 plug-in card will be OFF.
IN
OUT
IN
Master/Slave Switch
ALL LED’s are
OFF
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Configuration – Additional Settings
The Site Configuration wizard (in SP LINK 9.4 or higher) must be used to configure the SP PRO settings. Using the wizard will ensure all SP PRO settings are compatible with the managed AC coupled system.
The settings detailed below will be set when the Site Configuration Wizard is used to configure the SP PRO. Only the settings required to enable Fronius Managed AC Coupling are shown. The remainder of systems settings will be set by the Site Configuration Wizard.
The SP PRO must be configured before any of the Fronius Primos are energised.
The Fronius Primos are configured to Solar Net as default and the Inverter Number must be set sequentially from 01. (See “Programming the Fronius” section).
Make sure in the SP LINK tab Configuration Settings > System, the follow settings are set.
• Set String Inverter to Fronius.
• Number of Devices is set to the number of Fronius Primos installed on each phase.
(On Advanced Multiphase systems, each phase has its own Number of Devices setting.)
SP LINK - Configuration Settings – System tab
Note: Port 2 Communication settings will not be available once Fronius has been enabled. This is normal operation.
In the example used above, two Fronius Primos are connected to the SP PRO.
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Fronius Configuration
The settings listed below are required to be configured in each Fronius Primo in order for the system to operate correctly.
1. Isolate the DC solar from the Fronius Primo(s) (via the appropriate DC circuit breaker).
Do not connect the PV solar until the system is configured.
2. Ensuring that the SP PRO AC Load supply is present at the Fronius Primo, switch on the
AC supply to the Fronius Primo.
3. When the Fronius Primo is powered for the first time, select the “language” for the
inverter and press the ENTER (↵) key.
Then “Select Country”,
- For both Grid Connect and Off Grid installations, scroll to 50Hz -
International (↓) and press the ENTER (↵) key.
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Set the “Date” for the inverter and press the ENTER (↵) key. Use the ‘UP’ (+) and ‘DOWN’ (-) keys to shift the numerical values in an ascending/ descending order.
Note: “Date” will flash after the first ENTER (↵) key press, a second ENTER (↵) is
required to proceed to the next step.
Set the “Time” for the inverter and press the ENTER (↵) key. Use the ‘UP’ (+) and ‘DOWN’ (-) keys to shift the numerical values in an ascending/ descending order.
Note: “Time” will flash after the first ENTER (↵) key press, a second ENTER (↵) is required to proceed to the next step.
Set the “MPP Tracker 2” for the inverter to “ON” if installing more than one string of panels, otherwise set to “OFF” and press the ENTER (↵) key
Note: When the Fronius Primo is powered without the DC and the “MPP Tracker 2” is “ON”, “INFO STATE 523 LOW PV VOLTAGE” will be displayed on the screen.
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4. Once the display is active on the Fronius Primo, access the main menu. To enter the
main menu, press the ESC (⤴) key once, then using the LEFT (←) or RIGHT (→) keys to scroll through the main menu. To access any of the menu items, press the ENTER (↵) key on the selected item. The ESC (⤴) key is also used to return back to the previous menu or to edit previous digits.
The menu is continuous, when the end is reached the display automatically returns to the first menu item. The ‘UP’ (↑) and ‘DOWN’ (↓) keys are used to scroll through menu options or to shift numerical scales in ascending/ descending order, they are manly used in submenus to scroll through the various menu items.
To access the SETUP menu, scroll once to the left and press the ENTER (↵) key. The
ENTER (↵) key is used to confirm an action or to access submenus.
ECS
Down/
LEFT
UP/
RIGHT
ENTER
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5. Scroll to DATACOM (↓) and press ENTER (↵).
6. Scroll to Inverter Number (↓) and press ENTER (↵).
a. If only one Fronius Primo is installed then the address must be set to 01.
i. If more than one Fronius Primo is installed then the address must be
allocated sequentially starting from 01 (i.e. first Fronius = 01, second Fronius = 02, third Fronius = 03 etc).
ii. Do Not skip any address numbers in the sequence when using multiple
Fronius Primo
b. Once the “Inverter Number” is selected, press the ENTER (↵) key to configure c. Check Protocol Type – verify this is set to Solar Net.
d Press the ENTER (↵) key to configure and return to the “DATACOM” menu.
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7. Scroll to Display Setting (↓) and press ENTER (↵).
8. Scroll to Night Mode (↓) and press ENTER (↵).
a. Set the Fronius Primo “Night Mode” to “ON”, this will allow the Fronius Primo to
control the display operation during the night.
Note: Setting the “Night Mode” will allow communications between the SP PRO and Fronius Primo to stay awake at all times.
b. Once the “Night Mode” is set to set, press the ENTER key to configure and return
to the “Display Setting” menu.
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9. Press the ESC (⤴) key twice to return to the main menu.
The Fronius Primo is fully programmed and ready for operation in a SP PRO managed AC coupled system.
You are not required to make any changes to the Fronius Primo from here.
Default values have been entered into the Fronius, such as PV size is equal to the Primo Power rating, passwords as well.
Admin password: selectronic
Service password: selectronic
If you want to adjust any settings, proceed to “Appendix II: Fronius SolarWeb Configuration”
page 25.
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System Commissioning – Additional Tests
In addition to the normal system testing that would be performed, the following additional tests must be performed as detailed below.
Communications Link Verification
The correct operation of the Fronius Managed AC Coupling relies on the communications link. It is vital that the communications link connection has been setup correctly before operating the AC coupled system.
1. Check that all the communication cables have been connected
correctly.
2. Connect AC to the Fronius Primos. Do not connect the PV until
commissioning is complete.
3. Using SP LINK, connect to the SP PRO. In the Data View > Now tab
there should be a model number displayed for each of the installed inverters.
Make sure to reset the SP PRO and the Fronius Primos after configurations and wiring of both the SP PRO and Fronius are complete.
The communication link may be further tested using the AC Solar Link Test found in SP LINK under the Service Settings tab.
1. In the Service Settings tab click the “Reset Counters” button
Wait 2 minutes and check that the error count remains at zero for all the connected Fronius Primos. (An error count of 5 or less per minute is acceptable but, in this case, it is good practice to check the wiring and that the termination resistors are set correctly in the SP PRO and Fronius Primos.
Once the Communications link has been verified for each Fronius Primo, the DC feeds to each inverter can be switch on and full system testing and verification can be performed.
Verification of Fallback Mode:
When the Fronius Primo loses communications with the SP PRO, the output of the all the Fronius Primos will drop to zero power after 10 seconds.
To verify this function, disconnect the communications lead between the SP PRO and Fronius Primo, wait 10 seconds. Go to INFO > Readings menu on the front display of the first Fronius Primo and check that the external limit (ext. Lim.) drops to 0%.
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Appendix I: Connecting to Datamanager Card via Wi-Fi
For LAN connection and No internet, please refer to Appendix II.
The settings listed below are all that is required to connect the Fronius Primo to the end device (e.g. Laptop) for monitoring and communication to the Fronius Primo. The settings are ONLY carried out for Fronius Primo 01 (Master).
Note:
a. This section needs to be read in conjunction with the Fronius Datamanager 2.0
manual. b. The IP Switch must be set to position B for Fronius Primo 01. c. Fronius Solar Net termination connectors must be inserted into each empty IN or
OUT Solar Net connector socket of the last inverter.
1. From the main menu, scroll to SETUP and press the ENTER (↵) key.
2. Scroll to Wi-Fi Access Point (↓) and press ENTER (↵).
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1. Select “Activate Wi-Fi AP?” and press ENTER (↵).
Note: “Activate Wi-Fi AP?” will take a couple of seconds to appear on the screen.
2. The “WiFi Access Point” will activate automatically “active” and the Network Name
“SS” and Password “PW” will be displayed on the screen.
Notes:
1. DO NOT select “Deactivate WiFi AP?”, the Wi-Fi signal will be lost.
2. The WLAN Wi-Fi signal stays open for one hour.
3. If “[active read only]”, check IP switch position is set to “B”.
3. Connection to the Fronius Primo can be established via an end device (e.g. PC,
tablet).
Note: If using a Tablet, download the Fronius Solar.web App from Google play
or App Store.
4. From the end device, search for the
Network Name displayed on the Fronius
Primo and establish a connection to the
network. The password network is
displayed on the LCD display of the
inverter (Default PW: 12345678).
Note: The Fronius Primo establishes a
direct Wi-Fi connection between the end
device and itself. No internet is required.
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5. Open an internet web browser and type the IP address:
i. IP address for WLAN connection:192.168.250.181
Note: If using a Tablet, Run the Fronius Solar.web App.
6. The Fronius Datamanager 2.0 website start page appears
Note: The image is used as an example only, settings may differ.
7. Defaults for the setting menu in the Fronius Datamanager 2.0 website
Username: admin password: selectronic
8. Defaults for the setting menu in the “DNO EDITOR”
Username: service password: selectronic
Note:
a. Both the admin and service username and password are configured for Fronius Primo
SCERT Managed AC coupling inverters ONLY.
b. In “settings” it is required to update the “GENERAL” tab and “INVERTERS” tab with the
appropriate information.
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Appendix II: Fronius Step Through Configuration
This is required when dealing with Fronius that have had configuration changes made.
LAN Connection
1. Set the IP switch on the Datamanager 2.0 plug-in card to position A on only Fronius
Primo 01 (Master).
Note: Make sure to set the IP switch back to position B when the “Modbus Communication & Fall-Back Function Setting” section is complete otherwise the Fronius Primo will not communicate to the SP PRO.
2. Connect a network cable from the LAN connector located on the Fronius Primo to an end
device (e.g. computer or laptop).
3. Open an internet web browser and type the appropriate address for the appropriate
connection:
- IP address for LAN connection: 169.254.0.180
Note: Make sure that the computer is NOT connected to the internet.
+61 3 9727 6600
www.selectronic.com.au
To end device (e.g. computer or laptop)
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4. Complete the “General” section with the appropriate information, then select “Forward”.
5. In the “Inverter” section, Device name and PV[Wp] are required.
Select “Forward”.
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6. A notification will appear before the next section. You must click “Accept” to proceed.
7. Select “Solar web via LAN” and then select “Connect”.
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8. When “Connect” is selected, “Connection buildup” will be displayed.
- Set the IP Switch to position B and then refresh the webpage.
- Wait for one second.
- Then set the IP Switch back to position A and then refresh the webpage.
Note: When the Fronius Primo is reconnected to the end device (e.g. computer or laptop), the wizard will automatically proceed to the next section.
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9. The “Network status” outlines the network detail. Select “Forward”.
10. A password is required to be setup. Create a password that is easy to remember and
contains both letters and numbers and select “Finish”.
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11. The Commissioning Wizard is complete. Select “To Homepage”.
12. When “To Homepage” is selected, the Fronius Datamanager 2.0 website start page
appears.
Note: The image is used as an example only, settings may differ.
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13. On the Datamanager 2.0 website, select “Settings”.
Note: The image is used as an example only, settings may differ.
14. Select the “PASSWORDS” tab.
15. Under “User name service”, create a password that is easy to remember and contains
both letters and numbers.
Note: The service password is required to access the “DNO EDITOR” tab
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Note: The image is used as an example only, settings may differ.
Default login: Username service: password selectronic
16. Save the changes made in “PASSWORDS” by selecting the tick (✓) in the top right-hand
corner of the page. A popup message will appear to indicate the changes made were saved.
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17. Select the “DNO EDITOR” tab.
18. A user name and password are required to access the “DNO EDITOR” tab. Enter the
service username and password created in step “15”, select “OK”.
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19. In the “IO Control” table, toggle the boxes in “I4” column and the fourth row to white.
20. Make sure that the “Active power” for the fourth row is 0%.
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21. Save the changes made in “DNO EDITOR” by selecting the tick (✓) in the top right-hand
corner of the page. A popup message will appear to indicate the changes made were saved “The settings were saved successfully”.
22. In “DNO EDITOR” tab, scroll down to “Controlling Priority” and set: i. “IO control” to 2
ii. “Dynamic power reduction” to 3
iii. “Controlling via Modbus” to 1
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23. Save the changes made in “DNO EDITOR” by selecting the tick (✓) in the top right-hand
corner of the page. A popup message will appear to indicate the changes made were saved “The settings were saved successfully”.
24. Check the Modbus settings – settings must be as below -
25. Carry out the System Commissioning on Page 23.
Fronius configuration is now complete
Note: On Fronius Primo 01 (Master), make sure the IP switch is in position ‘B’, otherwise the
Fronius Primo will not communicate to the SP PRO.
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Appendix III: Disable Fronius Smart Meter
If the Fronius Primo has been connected to an external smart meter, the internal Fronius Smart Meter must be disabled. Follow the instructions below to disable.
The Fronius Datamanager webpage can be accessed in two ways:
1. Wi-Fi connection:
- Activate the Wi-Fi Access Point on the Datamanager card, can be accessed via the
font panel display.
- Connect the computer or smart device to the “Fronius_240.XXXXXX” Wi-Fi network.
The Wi-Fi Password is 12345678.
- Open an internet web browser and go to http://192.168.250.181
Alternatively, can use Fronius SolarWeb App (Tablet/Smart Phone), go to ‘
Settings’
and click ‘
PV Inverter Homepage’ (IOS)
or My System Monitoring
(Android)
2. LAN connection – NO internet:
- Connect the computer to the Datamanager via a network cable.
- Set the Datamanager IP Switch to positon “A”.
- Open an internet web browser and go to http://192.254.0.180
Note: For information on how configure the Datamanager card for Wi-Fi and LAN connection, refer to Appendix I (page 25).
When the Fronius Datamanager webpage appears, select “Settings”.
Note: The image is used as an example only, settings may differ.
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Make sure the Service password is configured in order to access the “METER” and “DNO EDITOR”.
Select the “METER” tab.
A user name and password are required to access the “METER” tab. Enter the service username and password created and then select “OK”.
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Set the “Meter” to “None selected” and select the tick (✓) to save all changes.
Select the “DNO EDITOR” tab.
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Scroll down to “Dynamic power reduction” and set to “No limit”, select the tick (✓) to save all changes.
Check the Modbus settings – settings must be as below -
The Fronius Smart Meter is now disabled and communication between the SP PRO and Fronius Primo can be established.
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Appendix IV: Communications Link Configuration with “AC Coupled Interface PCA”
The communication link always starts at the SP PRO and links to the “AC Coupled Interface PCA”, then connects to the first Fronius Primo (Master). The Fronius link is used to connect subsequent Fronius Primos on the same phase as the SP PRO. Do not connect Fronius Primos on different phases together.
To install the AC Coupled Interface PCA, remove the bottom two screws from the Expansion Card and replace them with the provided stand-offs. Mount the AC Coupled Interface PCA to the Expansion Card inside the SP PRO close to the Serial Communication PCA, and connect the connector with the two blue wires to socket J2 on the Expansion Card as illustrated.
• Connect the RJ45 Connector lead from the AC Coupled Interface PCA “To RS485 Port
2” to the SP PRO Serial Communication PCA RS485 Port 2.
• Connect the second RJ45 lead from the AC Coupled Interface PCA “To Other AC
Coupled Inverters” to Fronius Primo 01 (Master), Fronius Datamanger connector (see
section “Fronius RS485 Connection to Inverter 01 (Master)” page 45).
• Connect the AC Coupled Interface PCA power loom (12V) from AC Coupled Interface PCA
“12V DC Power J4” to the SP PRO Serial Communication PCA 12V connector.
Note: Do not connect any RJ45 leads to the AC Coupled Interface PCA “To ABB AC Coupled Inverter” connector as the pinout is different to the Fronius Primo connection.
To Fronius Inverter 01
Expansion Card bottom screws replaced with stand offs.
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Fronius Communication link to SP PRO Communication Card
SP PRO Connections (inside unit) – RS485 Port 2 RJ45 connector to AC Coupled Interface PCA and to Fronius Datamanager connector
Sync 1
Sync 2
RS485 Port 2
RS232 Port 2
RS232 Port 1
SP PRO Communications
Card
Expansion
Card
Fronius Inverter
12V DC Power
AC Coupled Interface
PCA supplied with
Selectronic Certified
Grid Inverters
To RS485
Port 2
SP PRO Inverter
Fronius Inverter COM
Fronius Datamanager
Connector
To Other AC
Coupled Inverters
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RS485 Connection to First Fronius Primo (Master) – Series 2i and Series II
Using the supplied CAT5 network cable, connect one end to the AC Coupled Interface PCA “To Other AC Coupled Inverters” on the SP PRO. At Fronius Primo 01 (Master), cut off the non-connected RJ45 connector, expose and crimp the wires using wire crimps, or
alternatively use a longer cable as required (not supplied) as outlined in the table below.
The Fronius link is used to connect subsequent Fronius Primos on the same phase as the SP PRO. Do not connect Fronius Primos on different phases together.
PLEASE NOTE: There are two different colour coding for RJ45 plugs, T568A and T568B, it is
common that either colour code is used. To ensure correct connections please check that the “RS485 RJ45 Adaptor pin #” (see below table) corresponds to the “Fronius RS485 Connector” connection by buzzing out the lead before connecting it to the Fronius Primo or the SP PRO.
RS485 RJ45 Adaptor Pin 1 designation Cut off one RJ45 Connector
(T568A colour code shown)
RS485 adaptor to Fronius Primo connections and wire colours
Note: Only the wires connected to Pins 2, 3 and 6 (on the RJ45) are used.
RS485 RJ45
Adaptor pin #
Signal
T568A colour code
T568B colour code
Fronius RS485
Connector
1
GND
Green/White
Orange/White
2
GND
Green
Orange
- (minus)
3
RS485 - B
Orange/White
Green/White
D+ (RS485)
4
GND
Blue
Blue
5
GND
Blue/White
Blue/White
6
RS485 - A
Orange
Green
D- (RS485)
7
GND
Brown/White
Brown/White
8
GND
Brown
Brown
Pin 1
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