SolarEdge SMI-35-3C-01 Installation Manual
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SolarEdge SMI-35-3C-01 Installation Manual

Safety and monitoring interface
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  • Page 2: Disclaimers

    The material furnished in this document is believed to be accurate and reliable. However, SolarEdge assumes no responsibility for the use of this material. 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.

  • Page 3: Support And Contact Information

     Serial number of the SMI and the power optimizer in question  The error indicated on the SMI screen or on the SolarEdge monitoring portal  System configuration information, including the type and number of modules connected and the number and length of strings ...

  • Page 4: Table Of Contents

    Table of Contents ....................... 3 Handling and Safety Instructions ..................5 Safety Symbols ........................5 Instructions ........................5 Chapter 1: Introduction to the SolarEdge Safety and Monitoring Interface ......6 Overview ..........................6 Installation Workflow ......................7 Installation Equipment List ....................8 Chapter 2: Installing the Safety and Monitoring Interface ........... 9 SMI Transport and Storage ....................9...
  • Page 5 Overview ..........................39 RS485 Configuration Options ....................39 Creating an RS485 Bus Connection ..................40 Connecting to Non-SolarEdge Inverters via RS485 ..............43 Additional Connection Options ..................44 Creating a Wireless ZigBee Connection ................... 44 Creating an RS232 (UART) Connection ..................44 Connecting a Laptop to the SMI ....................

  • Page 6: Handling And Safety Instructions

    SMI. WARNING! SMI is configured to IndOP mode and NOT to SolarEdge fixed string voltage mode. Therefore, string lengths and system design must comply with the inverter design guidelines. SolarEdge extended string lengths are not applicable. Designing outside of the inverter design rules may result in permanent damage to the inverter.

  • Page 7: Chapter 1: Introduction To The Solaredge Safety And Monitoring Interface

    Communication of the module-level data sent from the optimizers to the SolarEdge monitoring portal. The SMI is installed between the SolarEdge power optimizers and a non-SolarEdge inverter. The SMI is compatible with any on-grid inverter. For some inverters, it may also serve as the inverter data logger, which monitors power optimizers and inverter data in a single location –...

  • Page 8: Installation Workflow

    Chapter 1: Introduction to the SolarEdge Safety and Monitoring Interface Installation Workflow The following provides an overview of the workflow for installing and setting up a new site. Most of these procedures can also be used for adding components to an existing site.

  • Page 9: Installation Equipment List

    Chapter 1: Introduction to the SolarEdge Safety and Monitoring Interface Installation Equipment List Standard tools can be used during the installation of the SolarEdge system. The following is a recommendation of the equipment to be used:  Allen screwdriver ...

  • Page 10: Chapter 2: Installing The Safety And Monitoring Interface

    Refer to the sticker on the SMI that specifies its Serial Number and its Electrical Ratings. Provide the serial number when contacting SolarEdge support. The serial number is also required when opening a new site in the SolarEdge monitoring portal.

  • Page 11: Smi Connectors

    Attach the SMI to the bracket using the four supplied screws. Tighten the screws with a torque of 9 N*m / 6.6 lb*ft. Mounting Screws Figure 3: Attaching the SMI to its Mounting Bracket SMI Connectors The following describes the SolarEdge SMI connectors, ON/OFF switch and LCD light button: LCD Light Button Input ON/OFF Switch Output...

  • Page 12: Connecting The Smi To Ac

    Chapter 2: Installing the Safety and Monitoring Interface Connecting the SMI to AC The AC is connected using a special IP68-rated connector supplied with the SMI. Use any three-wire 4mm2 (12 AWG) max AC cable with a diameter of 10–14 mm (0.4–0.55"). ►...
  • Page 13 Chapter 2: Installing the Safety and Monitoring Interface Tighten the screws. Figure 7: AC Connector Screws Pull the cable back until the socket insert is correctly positioned in the D-shaped opening of the main body. Screw the locking ring into place. ►...

  • Page 14: Chapter 3: Connecting Pv Strings To The Safety And Monitoring Interface

    The following procedure describes how to connect the DC cables from the power optimizer strings to the SMI. The following example shows a connection of two strings to the SMI. Non-SolarEdge inverter Figure 8:Example - 2 x Strings Connection, Ungrounded Array 13 13 Safety and Monitoring Interface Installation Manual –...
  • Page 15 When connecting the SMI to a grounded array, the grounding must not be between the SMI and optimizers. All grounding should be at the inverter or between the SMI output and the inverter. The SMI allows either positive or negative grounding. Non-SolarEdge inverter If grounding is...
  • Page 16 Chapter 3: Connecting PV Strings to the Safety and Monitoring Interface CAUTION: Only one SMI may be installed for each inverter. If the inverter has multiple MPP trackers, one SMI may be installed for each MPPT input. Inverter PV Strings MPPT Inverter PV Strings...

  • Page 17: Chapter 4: Smi User Interface

    Chapter 4: SMI User Interface Chapter 4: SMI User Interface External Interface - LCD, LEDs and LCD Light Button The front of the SMI has an LCD panel and three LEDs, as shown below: LEDs LCD Light Button Figure 12: SMI – LCD Panel and LEDs The LCD panel has three LED indicators: ...

  • Page 18: Internal Interface - The Lcd User Buttons

    Chapter 4: SMI User Interface Internal Interface - The LCD User Buttons Four buttons are located at the top of the LCD panel inside the SMI and are used for controlling the LCD menus, as shown below: Up (1) Down (2) Enter (3) Figure 13: LCD Internal Menu Buttons ...

  • Page 19: Setup

    Chapter 4: SMI User Interface Setup The SMI can be configured in one of two ways:  Configuring the SMI Using the LCD User Buttons, page 18. When using this option, the SMI cover is removed.  Configuring the SMI Using the LCD Light Button, page 19. When using this option, removing the SMI cover is not required.

  • Page 20: Configuring The Smi Using The Lcd Light Button

    Chapter 4: SMI User Interface The following shows a hierarchical tree of the menu options, which are described in SMI Configuration Menu Options on page 21 L a n g u a g e < e n g > C o m m u n i c a t i o n D i s p l a y M a i n t e n a n c e I n f o r m a t i o n...
  • Page 21 Chapter 4: SMI User Interface K e e p h o l d i n g b u t t o n f o r p a i r i n g , r e l e a s e e n t e r m e n u .

  • Page 22: Smi Configuration Menu Options

    Select Server to set which communication method is used to communicate between the SMI and the SolarEdge Monitoring Server. Refer to Chapter 7: Setting Up Communication on page 33 for a full description of these communication options.
  • Page 23 Chapter 4: SMI User Interface Communication: S e r v e r < L A N > L A N C o n f R S 4 8 5 – 1 C o n f < S > Z i g B e e C o n f <...
  • Page 24 U p g r a d e C a r d  Date and Time: Set the internal real-time clock. If connected to the SolarEdge monitoring portal, the date and time are set automatically and only time zone should be set. ...

  • Page 25: Operational Mode - Status Screens

    If XXX and YYY are not equal, there may be a pairing issue.  S_OK: The connection to the SolarEdge Monitoring server is successful (should appear only if the SMI is connected to the server) ...

  • Page 26: Server Communication Status

    I D : X X X X X X X X M I D : X X X X  RSSI: The receive signal strength of the closest ZigBee in the SolarEdge system. L = low, M = medium, H = high and - = no signal. ...
  • Page 27 For a revenue meter reader, refer to the supported revenue meters page at http://www.solaredge.com/articles/se-supported-devices.  For a non-SolarEdge logger: SS: SunSpec  ##: The total number of slaves detected on the specific port Safety and Monitoring Interface Installation Manual – MAN-01-00067-2.1...

  • Page 28: Chapter 5: Commissioning The Safety And Monitoring Interface

    Chapter 5: Commissioning the Safety and Monitoring Interface Chapter 5: Commissioning the Safety and Monitoring Interface The following workflow describes how to activate the system, commission the installation and verify the proper functioning of the system. Step 1, Activating the System At this stage, the inverter is not connected and is powered OFF.

  • Page 29: Step 2, Pairing Power Optimizers To The Smi

    Chapter 5: Commissioning the Safety and Monitoring Interface Step 2, Pairing Power Optimizers to the SMI Once all connections are made, all the power optimizers must be logically paired to the . The power optimizers do not start producing power until they are paired with an SMI. Perform this step when the modules are exposed to sunlight.

  • Page 30: Step 3, Verifying Proper Operation

    Take note of the serial # on the SMI label. This information is used in the SolarEdge monitoring portal to identify this SMI and is needed to open a new site in the monitoring portal.

  • Page 31: Providing Installation Information

    The logical and physical mapping can be used for debugging a problem using the SolarEdge monitoring portal. If you do not report the physical and logical mapping of the installed power optimizers to SolarEdge, the SolarEdge monitoring portal will show the logical layout indicating which power optimizers are connected to which inverters, but will not show strings or the physical location of power optimizers.

  • Page 32: Chapter 6: Connecting The Inverter

    Chapter 6: Connecting the Inverter Chapter 6: Connecting the Inverter Only one SMI may be installed for each inverter. If the inverter has multiple MPP trackers, one SMI may be installed for each MPPT input. Refer to Figure 10 on page 15 for examples of correct and incorrect connections.

  • Page 33: Step 2, Verifying Proper Operation

    Pdc [w] specifies the expected DC output power. Take note of the serial # on the inverter label. This information is used in the SolarEdge monitoring portal to identify this inverter and is needed to open a new site in the monitoring portal.

  • Page 34: Chapter 7: Setting Up Communication

    Site information can be accessed remotely using the SolarEdge monitoring portal, as described in the SolarEdge Monitoring Portal User Guide. In order to send the data from the site to the SolarEdge monitoring portal, a communication connection must be set up, as described in this chapter.

  • Page 35: Communication Connectors

    Chapter 7: Setting Up Communication Communication Connectors Two communication glands, each 20mm in diameter, are used for connection of the various communication options. Each gland has three openings. The table below describes the functionality of each opening. Unused openings should remain sealed. Gland# Opening Functionality...

  • Page 36: Creating An Ethernet (Lan) Connection

    Chapter 7: Setting Up Communication Creating an Ethernet (LAN) Connection Overview This communication option enables using an Ethernet connection to connect the SMI through a LAN network to the monitoring portal. Figure 16: Example of Ethernet Connection Ethernet Communication Configuration Options The following is a description of the options to configure the Ethernet (LAN) port settings.

  • Page 37: Connecting And Configuring Lan

    Chapter 7: Setting Up Communication  Set DHCP : If the LAN connection between the SMI and the SolarEdge monitoring portal has a DHCP server, enable this option by setting it to Enable (default). If this option is enabled, then the DHCP server automatically configures the IP, Subnet Mask, Gateway and DNS.
  • Page 38 Chapter 7: Setting Up Communication Wire Color 10Base-T Signal RJ45 Pin # 100Base-TX Signal T568B T568A White/Orange White/Green Transmit+ Orange Green Transmit- White/Green White/Orange Receive+ Blue Blue Reserved White/Blue White/Blue Reserved Green Orange Received- White/Brown White/Brown Reserved Brown Brown Reserved Figure 17: Standard cable wiring Depending on the Ethernet connector type (RJ45 or an 8-pin terminal block), connect as follows: ...
  • Page 39 Connect the cable’s RJ45 connector to the RJ45 port of the Ethernet switch or router. You can connect more than one SMI to the same switch/router or to different switches/routers, as needed. Each SMI sends its monitored data independently to the SolarEdge monitoring portal. Safety and Monitoring Interface Installation Manual – MAN-01-00067-2.1...

  • Page 40: Interfacing With Other Devices Using An Rs485 Bus

    Interfacing with Other Devices Using an RS485 Bus Overview The SMI can connect to other SolarEdge devices, such as other SMIs, or SolarEdge control and communication gateways. The SMI can also connect to non-SolarEdge devices, such as revenue grade meters and non-SolarEdge inverter and read their data for display in the SolarEdge monitoring portal.

  • Page 41: Creating An Rs485 Bus Connection

    SMIs or other gateways. By default, all SolarEdge devices are pre-configured as slaves on the RS485-1 port.  Inv. Reader: Used for connecting to a non-SolarEdge inverter, in order to read its data and send it to the monitoring portal. For a list of supported Non-SolarEdge inverters, refer to http://www.solaredge.com/articles/se-supported-devices.
  • Page 42 Chapter 7: Setting Up Communication Pull out the RS485/RS232 terminal block, as shown below: Figure 20: The RS485/RS232 Terminal Block Loosen the screws of pins B, A and G on the left of the RS485-X block terminal. RS485-2 RS485-1 Figure 21: RS485/RS232 Block Terminal Insert the wire ends into the G, A and B pins shown above.
  • Page 43 ► To configure the RS485 communication bus: By default, all SolarEdge devices are pre-configured as slaves on the RS485-1 port. Slaves can be further configured using the RS485-1 Conf option in the Communication menu. Enter Setup mode, as described in Setup on page 18.

  • Page 44: Connecting To Non-Solaredge Inverters Via Rs485

    A list of supported inverters is available on SolarEdge website at http://www.solaredge.com/articles/se- supported-devices. Do not use the same bus for connecting multiple SMIs and for connecting to a non-SolarEdge inverter. Figure 24: Example of SMI Connected to a Non-SolarEdge Inverter 43 43...

  • Page 45: Additional Connection Options

    Creating an RS232 (UART) Connection RS232 enables connecting the SMI to an external SolarEdge GSM modem that has an RS232 output. Refer to the Cellular Modem Installation Guide for SolarEdge GSM Modem Connection and Configuration. This manual can be found on the SolarEdge website download section at: http://www.solaredge.com/files/pdfs/se_application_gsm.pdf.

  • Page 46: Verifying The Connection

    Turn ON the AC to the SMI by turning on the circuit breakers on the main circuit board, and turn on the SMI. Wait for the SMI to connect to the SolarEdge monitoring server. This may take up to two minutes. A message similar to the following appears on the LCD panel:...

  • Page 47: Appendix A: Errors And Troubleshooting

    S_OK Not Displayed If S_OK is not displayed, perform the following:  Use a method independent of the SolarEdge to check whether the network and modem are operating properly. For example, connect a laptop to the Ethernet router and connect to the Internet.

  • Page 48: Troubleshooting Communication

    Appendix A: Errors and Troubleshooting Error # LCD Message Description Troubleshooting Faulty Temp. Sensor Broken or If the problem persists, contact SolarEdge support. unconnected temperature sensor. Hardware Error Internal hardware If the problem persists, contact SolarEdge support. error. Internal HW Error Internal hardware If the problem persists, contact SolarEdge support.
  • Page 49 For WIFI networks, ensure that username and password are as defined in the internet provider AP/router. Server x Ping Ping to redundant server #x Check the SolarEdge server address in Failed failed the IP Status, as described on page 25. Tcp Connect.

  • Page 50: Appendix B: Technical Specifications

    Double insulation The SMI only operates with inverters that do not surpass the DC voltage and current limits of the SMI and that have been approved by SolarEdge. Refer to the SolarEdge website for a complete list of compatible inverters.

  • Page 51: Appendix C: Mechanical Specifications

    Appendix C: Mechanical Specifications Appendix C: Mechanical Specifications The following figure shows the mechanical specifications of the SMI in mm/[inch]: Figure 25: SolarEdge SMI Mechanical Dimensions Safety and Monitoring Interface Installation Manual – MAN-01-00067-2.1...

  • Page 52: Appendix D: Opening And Closing The Smi Cover

    Appendix D: Opening and Closing the SMI Cover CAUTION: When removing the cover, make sure not to damage internal components. SolarEdge will not be held responsible for any components damaged as a result of incautious cover removal. ► To open the SMI cover: Verify that the SMI is OFF.

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