Fronius Smart Meter 50kA-3 Operating Instructions Manual
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Fronius Smart Meter 50kA-3 Operating Instructions Manual

System monitoring
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Fronius Smart Meter 50kA-3
42,0426,0280,EN 007-04032021
Fronius prints on elemental chlorine free paper (ECF) sourced from certified sustainable forests (FSC).
Operating instructions
System monitoring

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Summary of Contents for Fronius Smart Meter 50kA-3

  • Page 1 / Perfect Charging / Perfect Welding / Solar Energy LEARN MORE WITH OUR HOW-TO VIDEOS www.youtube.com/FroniusSolar Operating instructions Fronius Smart Meter 50kA-3 System monitoring 42,0426,0280,EN 007-04032021 Fronius prints on elemental chlorine free paper (ECF) sourced from certified sustainable forests (FSC).

  • Page 3: Table Of Contents

    Connecting the data communication cable to the inverter Terminating resistors - Explanation of symbols Terminating resistors Setting the transformation ratio of the current and voltage transformers on the Fronius Smart Meter Multi-meter system - Explanation of symbols Modbus participants - Fronius SnapInverter...

  • Page 4: Safety Rules

    Safety rules Explanation of DANGER! safety notices Indicates immediate danger. ▶ If not avoided, death or serious injury will result. WARNING! Indicates a potentially hazardous situation. ▶ If not avoided, death or serious injury may result. CAUTION! Indicates a situation where damage or injury could occur. ▶...

  • Page 5: Environmental Conditions

    For the location of the safety and danger notices on the device, refer to the section headed "General remarks" in the Operating Instructions for the device. Any equipment malfunctions which might impair safety must be remedied before the device is turned on. This is for your personal safety! Environmental Operation or storage of the device outside the stipulated area will be deemed as not in...

  • Page 6: General

    Failure to comply with this EU Directive may result in a negative impact on the environment and your health! Positioning The Fronius Smart Meter can be installed at two possible locations in the system: at the feed-in point and at the consumption point.
  • Page 7 Placement at the feed-in point Fronius Smart Meter located at the feed-in point. Placement at the consumption point Fronius Smart Meter located at the consumption load.

  • Page 8: Installation

    Start-up on page 23). Installation The Fronius Smart Meter can be mounted on a 35 mm DIN rail. The housing comprises 4 DUs (division units, max. 72 mm). Protective circuit The Fronius Smart Meter is a hard-wired device and requires a disconnecting device (cir- cuit breaker, switch or disconnector) and overcurrent protection (automatic circuit breaker).

  • Page 9: Cabling

    Disconnecting devices must be mounted within sight and as close as possible to the Fronius Smart Meter; they must also be easy to use. The disconnecting devices must satisfy the requirements of IEC 60947-1 and IEC 60947-3, as well as all national and local regulations for electrical systems.

  • Page 11: Selection Criteria For Current Transformers

    The Fronius Smart Meter needs 0.3 VA to carry out its measurements. Losses also occur on the outgoing and return leads. The power of the current transformer must be greater than the sum total of the power of the Fronius Smart Meter and the leads. The higher the power, the better.

  • Page 12: Connecting The Current Transformers

    2.2 VA Example The length of the outgoing and return lead (0.5 m each) between the Fronius Smart Meter and the current transformer is a total of 1 m and has a copper cable cross-section of 1.5 mm²; the line resistance is therefore 0.6 VA according to the table above. The self- consumption of the Fronius Smart Meter is 0.3 VA.
  • Page 13 Connect 33 to D+. Fronius GEN24 inverter: Connect the data communication connections of the Fronius Smart Meter to the Modbus interface of the Fronius GEN24 inverter. Several Smart Meters can be installed in the system, see chapter Multi-meter system - Fronius GEN24 inverter on page 19.

  • Page 14: Terminating Resistors - Explanation Of Symbols

    Meter - Fronius Smart Meter Terminating resistor R 120 Ohm is included in the scope of supply. Modbus RTU slave e. g. Fronius Ohmpilot, Fronius Solar Battery, etc. Terminating resistor R 120 Ohm Terminating res- Due to interference, it is recommended that terminating resistors are used as illustrated istors below to ensure proper functioning.

  • Page 15: Setting The Transformation Ratio Of The Current And Voltage Transformers On The Fronius Smart Meter

    * The terminating resistor on Fronius Smart Meters is installed between 33 and 34. The terminating resistor R 120 Ohm is included with the Fronius Smart Meter. Setting the trans- Only the transformation ratio of the current and voltage transformers must be set. All formation ratio of other parameters have already been set in advance.

  • Page 16: Multi-Meter System - Explanation Of Symbols

    Primary meter Records the system's load curve and provides measurement data for energy profiling in Fronius Solar.web. The primary meter also controls the dynamic feed-in control. Secondary meter Records the load curve of individual loads (e.g.

  • Page 17: Modbus Participants - Fronius Snapinverter

    Secondary Ohmpilot meter meter Multi-meter sys- If several Fronius Smart Meters are installed, a separate address must be set for each tem - Fronius one (see Setting the address of the Fronius Smart Meter on page 20). The primary SnapINverter meter is always assigned address 1.

  • Page 18: Modbus Participants - Fronius Gen24

    Terminating resistors must be positioned individually for each channel. Modbus parti- The inputs M0 and M1 can be selected for this purpose. A maximum of 4 Modbus parti- cipants - Fronius cipants can be connected to the Modbus terminal on inputs M0 and M1. GEN24 IMPORTANT! Only one primary meter, one battery and one Ohmpilot can be connected per inverter.

  • Page 19: Multi-Meter System - Fronius Gen24 Inverter

    Secondary Ohmpilot meter meter Multi-meter sys- If several Fronius Smart Meters are installed, a separate address must be set for each tem - Fronius one (see Setting the address of the Fronius Smart Meter on page 20). The primary GEN24 inverter meter is always assigned address 1.

  • Page 20: Menu Structure

    A graphic view of the menu structure can be found in the User Information that is sup- plied as standard. Setting the Symbol Name Event Function address of the Prog Increases the set value Fronius Smart Meter Page Moves the cursor Enter Confirms the entry...
  • Page 21 Press "Prog" and "Page" at the same time to call up code entry. Enter the password "2633". Increase the value with "Prog" and change to the next digit with "Page". Press "Prog" and "Page" at the same time again to switch to the menu item "Addr"...

  • Page 23: Start-Up

    Start-up...

  • Page 25: Fronius Snapinverter

    The service password must be entered in order to access the "Meter" menu item. Three-phase or single-phase Fronius Smart Meters can be used. In both cases, the selection is made under the "Fronius Smart Meter" item. The Fronius Datamanager auto- matically identifies the meter type.

  • Page 26: Configuring The Fronius Smart Meter As A Secondary Meter

    The Fronius Smart Meter is configured as a primary meter. The "Current general view" menu area displays the power of the PV modules, self-con- sumption, the energy fed into the grid and the battery charge (if available). Configuring the Go to the Fronius Datamanager website.

  • Page 27: Fronius Gen24 Inverter

    The technician password must be entered in order to access the "Device configuration" menu item. Three-phase or single-phase Fronius Smart Meters can be used. In both cases, the selection is made under the "Components" menu area. The meter type is determined automatically.

  • Page 28: Configuring The Fronius Smart Meter As The Primary Meter

    Access the "Components" menu area. Click the "Add component" button. In the "Position" drop-down list, set the position of the meter (feed-in point or con- sumption point). For more information on the position of the Fronius Smart Meter, Positioning on page 6.

  • Page 29: Technical Data

    Technical data Technical data Modbus transmission speed: 9600 baud Parity bit: None Software version: Datamanager 3.7.2 / Energypackage 1.3.3 Input Three-phase nominal voltage 400 - 415 V Operating range 363 to 457 V Single-phase nominal voltage 230 - 240 V Operating range 210 to 264 V Voltage transformer ratio (kVT)
  • Page 30 kCT x kVT Maximum display Resolution 1 to 9.9 9 9 9 9 9 9 . 9 9 kWh / kvarh 10 Wh / varh 10 to 99.9 9 9 9 9 9 9 9 . 9 kWh / kvarh 100 Wh / varh 100 to 999.9 9 9 9 9 9 9 9 9...
  • Page 31 Insulation (EN/IEC 62052-11, 62053-21) Installation category Pollution level Insulation voltage 300 V phase-neutral Impulse withstand voltage 5 kV 1.2/60 µs Test circuit Voltage input, current input, pulse output, communication Test voltage 2.75 kV r.m.s. 50 Hz / 1 min Test circuit Voltage input, current input, pulse output, communication Test voltage...

  • Page 32: Fronius Manufacturer's Warranty

    Fronius manufac- Detailed, country-specific warranty terms are available on the internet: turer's warranty www.fronius.com/solar/warranty To obtain the full warranty period for your newly installed Fronius inverter or storage sys- tem, please register at: www.solarweb.com.
  • Page 36 FRONIUS INTERNATIONAL GMBH Froniusstraße 1 A-4643 Pettenbach AUSTRIA contact@fronius.com www.fronius.com Under www.fronius.com/contact you will find the addresses of all Fronius Sales & Service Partners and locations...

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