Fronius 50kA-3 Quick Manual
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Fronius 50kA-3 Quick Manual

3-phase smart energy meter
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Quick guide:
How to install and commission a
Fronius Smart Meter 50kA-3
* 3-phase Energy Meter
# 43,0001,1478 Fronius Smart Meter 50kA-3
White Paper
© Fronius International
Version 1.0/2016
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.
(c) Fronius International GmbH / Solar Energy 2016
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Summary of Contents for Fronius 50kA-3

  • Page 1 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.
  • Page 2 Fronius Datamanager 2.0 which comes built-in to all Fronius SnapINverter (Fronius Galvo / Primo / Symo / Eco), and can be retrofitted into all other Fronius inverters. Using a ModBus RTU / RS485 communication protocol, the Fronius Smart Meter can be utilised to monitor load and energy data by measuring current, voltage, energy, reactive power and apparent power in total or per phase.
  • Page 3 That means to connect three wires only. For a proper bidirectional communication flow (D+ / D- ) it is mandatory to terminate the bus line with 120 Ω resistors. This is realised by a dip-switch on the Fronius Datamanager 2.0 and an external termination resistor which has to be connected between Fronius Smart Meter...
  • Page 4 The Fronius Datamanager 2.0 has got an orange connector plug, where the cables for the Fronius Smart Meter have to be connected. Graphic 3: Fronius Datamanager 2.0 - Connectors Modbus termination switch on the Fronius Datamanager 2.0: The internal bus termination 120-Ohm resistance (for Modbus RTU) needs to be switched to ON to be activated.
  • Page 5 Fronius Smart Meter. Depending on the transmission ratio, indicated in the tech specs of the current converter, this factor has to be set into the software of the Fronius Smart Meter in order to display the correct values.
  • Page 6 50 : 5 = 10. The result “10” is the configuration factor which has to be set in the Fronius Smart Meter software. As soon the Fronius Smart Meter is supplied with power, the display is switched on. You can then enter the value into the Fronius Smart Meter software as shown in graphic 6 below.
  • Page 7 On the Fronius Datamanager 2.0 web interface select „Settings“ Go to ‘Settings’. / Before it is possible to enter the METER settings a service password is required. If no service password has been set, it needs to be created first.
  • Page 8 Save the setting by clicking the tick For further explanation on feed-in path and consumption path see chapter 1.2 Where to put the Fronius Smart Meter / The meter is activated once you get the following message. Click OK.

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