SolarEdge SE-WND-3Y400-MB-K2 Installation Manual
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SolarEdge SE-WND-3Y400-MB-K2 Installation Manual

Energy meter with modbus connection
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Installation Guide
Energy Meter with Modbus
Connection
Version 1.5

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Summary of Contents for SolarEdge SE-WND-3Y400-MB-K2

  • Page 1 Installation Guide Energy Meter with Modbus Connection Version 1.5...

  • Page 2: Disclaimers

    SolarEdge reserves the right to make changes to the material at any time and without notice. You may refer to the SolarEdge web site (www.solaredge.com) for the most updated version. All company and brand products and service names are trademarks or registered trademarks of their respective holders.

  • Page 3: Emission Compliance

      Emission Compliance The images contained in this document are for illustrative purposes only and may vary depending on product models. Emission Compliance This equipment has been tested and found to comply with the limits applied by the local regulations. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 4 Disclaimers   3 Changes or modifications not expressly approved by the party responsible for compliance may void the user’s authority to operate the equipment. NOTE Interferences may occur when the Wi-Fi Plug-in and Repeater are installed near other 2.4 GHz emitting devices (such as dual technology PIR detectors used in alarm systems, microwave ovens, etc.).
  • Page 5 Configuration steps update Version 1.2 (July 2018) Firmware version support update Version 1.1 (May 2018) Product name update Model SE-WND-3Y400-MB-K2 Accuracy: 1% of Rated CT Current Supports UK Engineering Recommendation G100 Issue 1 Amendment 1 2017 Version 1.0 (February 2016) - Initial release...

  • Page 6: Table Of Contents

    Emission Compliance Contents HANDLING AND SAFETY INSTRUCTIONS Safety Symbols Information Chapter 1: Introduction Terminology The SolarEdge Energy meter with Modbus connection Meter Connection Options Chapter 2: Meter Installation Installation Guidelines Installing and Connecting the Meter Chapter 3: Configuration SolarEdge Device Firmware Version...
  • Page 7   Contents Troubleshooting Dual-Meter Connection Appendix C: Monitoring Platform - Meter Data Appendix D: Meter Technical Specifications Appendix E: External Lightning Protection Support Contact Information Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...

  • Page 8: Handling And Safety Instructions

    HANDLING AND SAFETY INSTRUCTIONS   7 HANDLING AND SAFETY INSTRUCTIONS During installation, testing and inspection, adherence to all the handling and safety instructions is mandatory. Failure to do so may result in injury or loss of life and damage to the equipment. Safety Symbols Information The following safety symbols are used in this document.
  • Page 9 IMPORTANT SAFETY FEATURE Denotes information about safety issues. Disposal requirements under the Waste Electrical and Electronic Equipment (WEEE) regulations: NOTE Discard this product according to local regulations or send it back to SolarEdge. Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...

  • Page 10: Chapter 1: Introduction

    Chapter 1: Introduction   9 Chapter 1: Introduction Terminology The following terms are used in this document: Export: The power injected to the grid. Import: The power purchased from the grid. Export/Import meter: A meter that is installed at the grid connection point and measures the energy/power exported/imported to/from the grid.
  • Page 11   Terminology Figure 1: Terminology Illustration Three-phase grid configuration types: Wye: In a Wye ("Y") configuration, all three phases are connected at a single neutral point. Wye systems utilize five wires - three hot, one neutral and one ground. Delta: In a Delta configuration, the three phases are connected in a triangle.

  • Page 12: The Solaredge Energy Meter With Modbus Connection

    Consumption monitoring Export limitation Smart Energy on-grid applications The SolarEdge inverter or the Commercial Gateway reads the exported/imported power from a meter installed at the grid connection point or reads the consumption from a meter installed at the load consumption point.

  • Page 13: Meter Connection Options

      Meter Connection Options Figure 3: Typical installation with export/import meter Figure 4: Typical installation with consumption meter Meter Connection Options In a single inverter system, the meter is connected directly to the inverter. Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...
  • Page 14 If the inverter has a second RS485 port, use this port to connect between the inverters. If the inverter has only one RS485 port, use an RS485 Plug-In (available from SolarEdge) or ZigBee communication between the inverters. (1) This figure shows a single phase inverter connection. For three phase inverters, 3 CTs are required.
  • Page 15   Meter Connection Options The meter is connected to one of the RS485 ports of a Commercial Gateway. The Commercial Gateway’s second RS485 port can be used to create an RS485 bus for communication between the inverters. This option is illustrated in Figure 6 . Figure 6: Multi-inverter connection with Commercial Gateway and meter Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...

  • Page 16: Chapter 2: Meter Installation

    NOTE Before installing the meter, make sure that you are installing the model SE-WND-3Y400-MB-K2 meter from SolarEdge that has a yellow barcode sticker on one of the side panels of the meter. Installation Guidelines AC wire specifications: 1.3 to 2.0 mm diameter / 16 to 12 AWG stranded wire, 600 V, type THHN, MTW, or THWN.
  • Page 17   Installation Guidelines The meter is considered “permanently connected equipment” and requires a disconnect means (circuit breaker, switch, or disconnect) and overcurrent protection (fuse or circuit breaker). The meter draws 10-30mA, therefore the rating of any switches, disconnects, fuses, and/ or circuit breakers is determined by the wire gauge, the mains voltage, and the current interrupting rating required.

  • Page 18: Installing And Connecting The Meter

    Chapter 2: Meter Installation    17 Installing and Connecting the Meter Mount the meter either directly on a flat surface, or on a DIN rail using the DIN-rail clips supplied with the meter. To mount the meter directly on a surface:  1.
  • Page 19   Installing and Connecting the Meter To mount on a DIN rail using clips: The supplied kit includes two DIN-rail mounting-clips and two screws.  1. Carefully remove the terminal blocks from both sides of the meter.  2. Attach the DIN rail clips to the meter and fasten them using the supplied screws (torque 0.7 N*m/ 0.5 lb*ft).
  • Page 20 Chapter 2: Meter Installation    19 To install the current transformers (CTs): NOTE If installing a high-accuracy/RGM meter, make sure that the CTs chosen are appropriate for use with the meter.  1. Turn off AC power before clamping on current transformers.  2.
  • Page 21   Installing and Connecting the Meter To wire the meter: The meter communicates with the inverter/Commercial Gateway over an RS485 connection. Refer to the connection diagram below. If you are connecting two meters, refer to Installing Two Meters on page 52. Figure 9: Meter connections NOTE Clamp the CT connected to L1 CT around the wire...
  • Page 22 Chapter 2: Meter Installation    21  1. Verify that power is OFF before making connections.  2. Connect the AC side wires (meter input) using the 10-pin terminal block:  a. Loosen the appropriate screws on the 10-pin terminal block.  b. Connect each AC wire to the appropriate screw terminal (pins 6, 4, 2).
  • Page 23   Installing and Connecting the Meter  a. Connect the wires to the A+ and B- terminals, and connect the shield to the G terminal.  b. Insert the 4-pin terminal block into the socket on the meter making sure it is fully seated in the meter.  5.
  • Page 24 Chapter 2: Meter Installation    23 the device, as shown below: Inverter RS485-1 - pull out the RS485 connector located on the communication board. Single and Three Phase Inverter with HD-Wave Inverter technology Figure 11: Inverter RS485 connectors Inverter RS485 Plug-in - pull out the 3-pin connector Figure 12: RS485 Plug-in on Single/Three Phase inverter Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...
  • Page 25   Installing and Connecting the Meter Figure 13: RS485 Expansion module on HD-Wave Inverter Commercial Gateway - use one of the 3-pin connectors supplied with the Commercial Gateway. Connect it to the RS485-2 connection on the Commercial Gateway. Figure 14: Commercial Gateway RS485 connector  3.
  • Page 26 Chapter 2: Meter Installation    25  4. If the SolarEdge device is at the end of the RS485 bus, terminate as follows: Inverter - Terminate by switching a termination DIP- switch inside the inverter to ON (top position). The switch is located on the communication board and is marked SW7.

  • Page 27: Chapter 3: Configuration

      Chapter 3: Configuration Chapter 3: Configuration SolarEdge Device Firmware Version To ensure proper communication with the meter, make sure that the inverter communication board firmware (CPU) version is 4.2.xxx or later. To check the inverter CPU version:  1. Verify that the inverter has been activated using the activation card supplied with the inverter.
  • Page 28 Chapter 3: Configuration   27 Devices using the SolarEdge SetApp mobile application: Select Commissioning èInformation. Information   CPU Version 4.0000.0000 DSP1 Version 1.0210.1066     DSP2 Version 2.0052.0410   Serial Number 7F129A09-33 › Hardware IDs   › Error Log   › Warning Log  ...
  • Page 29   SolarEdge Device Firmware Version     Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...

  • Page 30: Device Configuration

    Chapter 3: Configuration   29 Device Configuration This section describes basic configuration of SolarEdge devices (inverter/Commercial Gateway) for use of a meter. In addition, a configuration that is specific to the application being used is required in some cases. Refer to the following documents: Export Limitation - http://www.solaredge.com/sites/default/files/feed-in_...
  • Page 31   Device Configuration To configure the SolarEdge meter using SetApp:  1. From the SetApp main menu, select Communication, and select the port to which the meter is connected - RS485-1 or RS485-2.  2. Select Protocol è Modbus (Multi-Device)  3. Return to the RS485-x Menu and select Add Modbus Device è...
  • Page 32 Chapter 3: Configuration   31 Figure 17: Meter Configuration Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...
  • Page 33 Ext. Production: The meter is used for export limitation with 3rd party generators and for AC coupling with non-SolarEdge inverters.  6. Select Meter Protocol, and select WattNode.  7. Select Device ID and enter the value 2.  8. Select CT phase-loss. The CT phase-loss page appears.
  • Page 34 Chapter 3: Configuration   33 setting. On the RS485-x Meter n Menu, CT phase-loss is set automatically to Enabled. Figure 18: CT Phase-Loss Menu  9. Select CT Rating and enter the current transformer's rating in amperes. Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...
  • Page 35 The default value is 1. Device Configuration using the Device Display To configure the SolarEdge device using the device display: Use the four user buttons to control the LCD panel menus: Esc: Goes to the beginning of the currently entered parameter or to the previous menu.
  • Page 36 Chapter 3: Configuration   35 P l e a s e   e n t e r   P a s s w o r d * * * * * * * *  4. Use the three right most buttons (Up-1, Down-2 and Enter- 3) to type in the following default password: 12312312.
  • Page 37   Device Configuration D e v i c e   T y p e   < M L T > M e t e r   1   < - - - > M e t e r   2   < W N > < 2 > M e t e r  ...
  • Page 38 Chapter 3: Configuration   37 Set the CT rating to the value that appears on the CT: CT Rating è<xxxxA>. The default is 5 Amperes. If the displayed rating is 0 or you cannot change the value, there is no communication with the meter. Check that the AC power to the meter is on.
  • Page 39 Ext. Production: The meter is used for export limitation with 3rd party generators and for AC coupling with non-SolarEdge inverters. Import: The meter is installed at the grid connection point and reads the import energy. None: No reading The selected option is displayed in the RS485 Conf screen as <E+I>, <E>, <Cons>, <Prod>, <I>,...
  • Page 40 Chapter 3: Configuration   39 Verifying the Meter Connection Verifying the Meter Connection using SetApp To verify the meter connection using SetApp:  1. From the SetApp main menu, select Status.  2. On the Status page, scroll down to the Communication status section. Check that one or more meters is connected to the RS485-1 or RS485-2 bus.
  • Page 41   Device Configuration Type and function: Displays the meter functionality (Production, Export, Import, Export+Import) Status: Displays 'OK' if the meter is communicating with the inverter. <Error message>: If an internal meter error occurs, it will be displayed here. Refer to . Power: The exported or imported power Energy: The total energy read by the meter Meters...
  • Page 42 Chapter 3: Configuration   41 Verifying the Meter Connection using the Device Dis- play To verify the meter connection in devices with a display:  1. Short-press the LCD light button (on the inverter) or the Enter button (inside the inverter) until the Communication status screen is displayed as shown below.
  • Page 43   Device Configuration using short presses until reaching the meter status screen showing the Energy [Wh] total. If there is more than one meter/ function, there is a status screen for each one. The following is an example of an Export meter: E x p o r t  ...

  • Page 44: Appendix A: Troubleshooting Meter Connection

    Appendix A: Troubleshooting Meter Connection   43 Appendix A: Troubleshooting Meter Connection This section describes how to troubleshoot meter-related installation and performance errors. For troubleshooting dual-meter connections, refer to Installing Two Meters on page 52. Troubleshooting the Meter using SetApp Communications Failure The following are indications of a connectivity failure between the inverter and the meter: If NC (not connected) appears for a meter in the RS485-1...
  • Page 45   Troubleshooting the Meter using SetApp Communication RS485-1 RS485-2 Modbus SE Slave Connected 2 of 2 None Cellular Wi-Fi ZigBee If the following error message appears in the bottom left- hand corner of the Inverters section of the Status page: "Error 3x6E: Meter Comm. Error" If the status in the Meters section of the Status page is "Comm.
  • Page 46 Appendix A: Troubleshooting Meter Connection   45 If a connectivity failure occurs, check the following: Check the following as specified in To wire the meter: on page 20 The RS485 wiring between the meter and the inverter/Commercial Gateway. The meter's DIP switch settings. Check that the meter is configured as required in the chapter "Configuration"...
  • Page 47   Troubleshooting the Meter using SetApp The Energy value is not advancing Check the Energy value in the Meters section of the Status page, as shown in the figure below: Meters Export Meter RS485-1 Status Modbus ID #2 Comm. Error Power Energy 7.60 kW 8.42 MWh...

  • Page 48: Troubleshooting The Meter Using The Device Display

    Appendix A: Troubleshooting Meter Connection   47 Check for water damage or sealing problems: Inspect the entire conduit run for possible points of water penetration, and fix leaks. Ensure that proper outdoor rated components are used. Troubleshooting the Meter using the Device Display Communication Status Screen Troubleshooting The communication status screen should display the following:...
  • Page 49   Troubleshooting the Meter using the Device  2. Select Communication è RS485-x Conf è Protocol è WattNode.  3. Check that the Device ID under Communication è RS485- x Conf è Device ID is set to 2.  4. Select Revenue Meter è Meter Func. è Export+Import / Export / Import / Consumption / Site Production / Inv.
  • Page 50 Appendix A: Troubleshooting Meter Connection   49 There are no loose connections at the inverter connectors and at the meter, specifically the RS485 wiring. The wiring between the meter and the RS485 terminal block on the communication board is correct. Use a Voltmeter to measure the voltage on the meter 10- pin's terminal block .
  • Page 51 The RS485 cables and connectors The AC connection of the meter If Error 185 Meter Comm. Error message is displayed, contact SolarEdge support. Total [Wh] value is not advancing If the Total [Wh] value displays a steady value although the the...
  • Page 52 Appendix A: Troubleshooting Meter Connection   51 Figure 19: Meter Connection Diagram NOTE   The above meter setup is for single phase applications. The meter supports three phase applications as well. Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...

  • Page 53: Appendix B: Installing Two Meters

      Appendix B: Installing Two Meters Appendix B: Installing Two Meters You can connect up to two meters on the same bus. To connect two meters, install two wires into each screw terminal by twisting the wires together, inserting them into terminal, and securely tightening.
  • Page 54 Appendix B: Installing Two Meters   53 Figure 21: Connecting the meters to the inverter or Commercial Gateway RS485 connector  3. Set one of the meter's DIP switches to address '2':  a. Set switch 2 to 1 (UP), and switches 1, 3, 4, 5, and 6 to 0 (DOWN).
  • Page 55   Connecting Two Meters required. Otherwise, set to 0 (DOWN)  c. Switch 8: Set to 0 (DOWN)  5. Terminate the SolarEdge device as described in Installing and Connecting the Meter on page 17.   Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...

  • Page 56: Configuring The Dual-Meter Connection

    1 and an export/import meter is set to address 2. The meters use the WattNode protocol. To configure the SolarEdge device using SetApp:  1. From the SetApp main menu, select Communication è RS485-x è Meter 1  2.
  • Page 57 Ext. Production: The meter is used for export limitation with 3rd party generators and for AC coupling with non-SolarEdge inverters.  5. Select Meter Protocol, and select WattNode.  6. Set Device ID to 2.  7. Select CT Rating to set the CT rating to the value that appears on the CT.
  • Page 58  9. Select PT Scaling and set the potential transformer ratio. The default value is 1. Configuring Dual-Meter Connection using the Device Display To configure the SolarEdge device using the device display:  1. Enter Setup mode, scroll to the Communication menu and select Communication è RS485-x Conf.
  • Page 59   Configuring the Dual-Meter Connection D e v i c e   T y p e   < M L T > M e t e r   1   < - - - > M e t e r   2   < W N > < 2 > M e t e r  ...
  • Page 60 Appendix B: Installing Two Meters   59 Select Device Type è Revenue Meter. Select Protocol è WattNode. Set Device ID: 1. Set the CT Rating to the value that appears on the CT. If the displayed rating is 0 or you cannot change the value, there is no communication with the meter.

  • Page 61: Verifying Meter Connection

      Verifying Meter Connection Verifying Meter Connection Verifying the Meter Connections using SetApp To verify the connectivity of two meters using SetApp, refer to "Verifying the Meter Connection using SetApp" on page 39 Verifying the Meter Connections using the Device Display To verify the meter connections in devices with a display:  1.
  • Page 62 43. Total [Wh]: The amount of Watts per hour of the designated meter. If the SolarEdge device is connected to the SolarEdge server, this value will also be displayed in the monitoring platform. Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...

  • Page 63: Troubleshooting Dual-Meter Connection

      Troubleshooting Dual-Meter Connection Troubleshooting Dual-Meter Connection Troubleshooting Dual-Meter Connections using SetApp To verify the connectivity of two meters using SetApp, refer to "Troubleshooting the Meter using SetApp" on page 43 Troubleshooting Dual-Meter Connections using the Device Display When two meters are connected on the same RS485 bus, the following should appear in the Communication status screen:  ...
  • Page 64 Appendix B: Installing Two Meters   63  2. Select Communication è RS485-x Conf è Protocol è WattNode.  3. Select Revenue Meter è Meter Func. è Inv. Production, Site Production, Consumption, Export, Import, or Export+Import.  4. Check that the Device ID under Communication è RS485-x Conf è...

  • Page 65: Appendix C: Monitoring Platform - Meter Data

    Appendix C: Monitoring Platform - Meter Data If your device is connected to the SolarEdge server, you can view the meter’s readings in the monitoring platform. Verify that the meter type is set correctly in the Admin page > Logical Layout >...
  • Page 66 Appendix C: Monitoring Platform - Meter Data   65 No meter installed: Displayed in Displayed in Data Monitoring Dashboard Monitoring Charts Production (inverter/site) Consumption Self-consumption Export Import Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...
  • Page 67   Appendix C: Monitoring Platform - Meter Data Export meter: (1)(2) Data   RS485 Meter   S0 Meter Displayed Displayed in Displayed in Displayed in   Monitoring Monitoring Monitoring Monitoring Charts Dashboard Charts Dashboard Production   (inverter/site) (calculated) Consumption (calculated) Self- consumption (calculated) (calculated)
  • Page 68 Appendix C: Monitoring Platform - Meter Data   67 Consumption meter: Data   RS485 Meter   S0 Meter Displayed Displayed in Displayed in Displayed in   Monitoring Monitoring Monitoring Monitoring Dashboard Charts Dashboard Charts Production (inverter/site) Consumption Self- a(calculated) consumption (calculated) (calculated) (calculated) Export (calculated)

  • Page 69: Appendix D: Meter Technical Specifications

      Appendix D: Meter Technical Specifications Appendix D: Meter Technical Specifications     SE-WND-3Y400-MB-K2 ELECTRICAL SERVICE Operating Voltage Nominal: 230/400 Range - Line to 184-264.5 / 320-460 Neutral / Line to Line AC Frequency 50/60 Grids Supported - Single Phase: L / N / PE Single Phase ;...
  • Page 70 Appendix D: Meter Technical Specifications   69 ACCURACY (@ 25°C, PF:0.7- 1) 1% - 100% of Rated ±1.0 CT Current Hi-Accuracy / ANSI C12.20 Class .5   Revenue Generation (1) Using ACT-0750 CT models Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...
  • Page 71   Appendix D: Meter Technical Specifications STANDARD COMPLIANCE Safety IEC 61010-1   EN 61326, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, Immunity   EN 61000-4-5, EN 61000-4-6, EN 61000-4-11 Emissions EN 55022 Class B   Engineering Recommendation Export Limitation G100 Issue 1 Amendment 1  ...
  • Page 72 SE-ACT-0750-50 SE-ACT-0750-100 20 x 20 / 61 x 60.4 SE-ACT-0750-250 SE-CTS-2000-1000 1000 50.8 x 50.8 / 121 x 127 Mechanical specifications: (1) One current transformer per phase; for other ratings contact SolarEdge. Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...
  • Page 73   Appendix D: Meter Technical Specifications Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...

  • Page 74: Appendix E: External Lightning Protection

    SolarEdge device. This ground connection is crucial for proper suppression device operation. The ground connection should be made using a heavy gauge wire and kept as short as possible.
  • Page 75   Appendix E: External Lightning Protection For further information, see the Overvoltage Surge Protection Technical Note: https://www.solaredge.com/sites/default/files/lightning_ surge_protection.pdf Figure 23: Protection connection Energy Meter with Modbus Connection Installation Guide MAN-01-00269-1.5...

  • Page 76: Support Contact Information

    System configuration information, including the type and number of modules connected and the number and length of strings. The communication method to the SolarEdge server, if the site is connected. The product's software version as it appears in the ID status screen.
  • Page 77  ...

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