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Sungrow Logger4000 User Manual
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Sungrow Logger4000 User Manual

Sungrow Logger4000 User Manual

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User Manual
Data Logger
Logger4000
Logger4000-UEN-Ver31-202502

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Summary of Contents for Sungrow Logger4000

  • Page 1 User Manual Data Logger Logger4000 Logger4000-UEN-Ver31-202502...
  • Page 2 Software Licenses • It is prohibited to use data contained in firmware or software developed by SUNGROW, in part or in full, for commercial purposes by any means. • It is prohibited to perform reverse engineering, cracking, or any other operations that...
  • Page 3 Validity This manual is valid for the following models: • Logger4000 Target Group This manual is intended for qualified technicians who are responsible for installation, operation, and maintenance of the product, and users who need to check inverter parameters.
  • Page 4 DANGER Indicates high-risk potential hazards that, if not avoided, will result in death or serious injury. WARNING Indicates moderate-risk potential hazards that, if not avoided, may lead to death or serious injury. CAUTION Indicates low-risk potential hazards that, if not avoided, may lead to minor or moderate injury.
  • Page 5 Contents All Rights Reserved......................I About This Manual......................II 1 Safety Instructions ..................... 1 2 Product Description ....................3 2.1 Function Description....................3 2.2 Networking Application..................4 2.3 Product Introduction....................6 3 Unpacking and Storage ....................8 3.1 Scope of Delivery....................8 3.2 Identifying the Data Logger..................9 3.3 Checking upon Receiving..................
  • Page 6 5.12 Connecting to the AC Power Supply..............31 5.13 Connecting to the DC Power Supply..............32 5.14 Earthing Connection..................33 6 Commissioning ......................35 6.1 Inspection before Commissioning................35 6.2 Commissioning Step....................35 7 Web Main Interface ....................37 7.1 Logging to the Web UI..................37 7.2 Modifying Password.....................39 7.3 Web UI Overview....................39 7.3.1 Web Main Interface...................
  • Page 7 7.6.1.6 Delete Device................. 51 7.6.2 Inverter Log....................51 7.6.3 AFCI Activation..................51 7.6.4 Fault Recorder..................52 7.6.5 Configuring Bluetooth Pairing for Inverter..........52 7.6.5.1 Enabling Bluetooth Pairing............. 52 7.6.5.2 Disabling Bluetooth Pairing............53 7.6.6 (Optional) Winding Temperature Detection..........54 7.6.6.1 Viewing Real-time Data..............54 7.7 History Data......................
  • Page 8 7.8.12.2 One-Click MPLC Diagnosis............74 7.8.13 More......................74 7.8.14 Viewing the Firmware Version..............74 8 Updating ........................76 8.1 Updating SUNGROW Inverters or the Slave Node of PLC......... 76 8.2 Updating the Data Logger..................77 8.3 Updating the Master Node of PLC...............77 9 Grid Dispatching .......................79 9.1 Options for Power Control Method..............
  • Page 9 9.4.3 Regulating Reactive Power via Analog Input..........92 9.4.4 Regulating Reactive Power via Digital Input..........93 9.4.5 Regulating Reactive Power via Country Mode..........93 9.4.6 Disabling Reactive Power Control.............94 9.4.7 Disabling Reactive Power Output............. 94 9.5 Setting Emergency Stop..................94 10 User Management ....................96 10.1 User Roles and Permissions................
  • Page 10 Perform operations considering actual on-site conditions. • SUNGROW shall not be held liable for any damage caused by violation of general safety operation requirements, general safety standards, or any safety instruction in this manual.
  • Page 11 Maintenance and Replacement WARNING Repair of the device can only be performed by the service department of SUNGROW or professionally qualified personnel. Users are forbidden from performing repair and maintenance or replacing modules by themselves. Otherwise, it may cause severe personal injuries or property damages.
  • Page 12 The Data Logger can be connected to devices in the PV system via an RS485 bus, and it can be also connected to SUNGROW string inverter equipped with the PLC communication function through the PLC cable. The Data Logger can store and process device information as well as convert data communication protocol.
  • Page 13 Goose instructions, to achieve reactive power control within 30ms. IV Curve Online Diagnosis The Data Logger can perform I-V curve scanning on inverters developed by SUNGROW, and users can view scanning result via iSolarCloud, Insight or iSolarSuite. For detailed description of the I-V curve scanning, refer to the manual of iSolarCloud, Insight or iSolarSuite.
  • Page 14 User Manual 2 Product Description Figure 2-1 Star networking Connected to iSolarCloud through a Router As shown in the figure below, the Data Logger can be directly connected to the iSolarCloud through a router. This function is not available in the North American region.
  • Page 15 2 Product Description User Manual 2.3 Product Introduction Appearance Item Description Indicators Mounting ear Wiring area Indicators Indicators Name Status Status Description Steady on Normal power supply Power (Red) indicators Abnormal power supply Blinking Running normally Running indicator Off/On Abnormal operation WLAN WLAN No WLAN function...
  • Page 16 User Manual 2 Product Description Indicators Name Status Status Description Steady on There is an alarm or fault in the (Red) connected inverter. Fault FAULT indicator The connected inverter is free from faults. Dimensions...
  • Page 17 3 Unpacking and Storage 3.1 Scope of Delivery The following items should be included. Item Name Description Data Logger Quick Installation Guide, quality certificate, Documents packing list, product test report, and warranty card Ethernet cable Mounting ear Bottom supporter PLC cable OT terminal Nylon cable tie 8 sets, including ST4.8x19 expansion bolts...
  • Page 18 3.1 Scope of Delivery. • Confirm that the received model is the same as the purchased one. • Check the device thoroughly and ensure there are no visible damages. If there are any problems, contact SUNGROW or the forwarding company.
  • Page 19 3 Unpacking and Storage User Manual WARNING Proceed with installation and commissioning only if the product is intact without signs of damage! Before installation, ensure that: • The product is intact without any damages. • Related documents, such as quick installation guide, are enclosed. 3.4 Storage If the Data Logger is not installed immediately after receiving, observe the following requirements to store it properly.
  • Page 20 4 Mechanical Installation 4.1 Installation Location Selection Environment Requirements • The Data Logger has an IP20 protection rating and should only be installed indoors. • Ambient temperature: –30°C to +60°C. Ambient relative humidity: 0% to 95% (no condensation). Excessive humidity may cause damage to internal components. •...
  • Page 21 4 Mechanical Installation User Manual Utility knife Marker Measuring tape Protective gloves Dust mask Safety footwear Vacuum cleaner Goggles Hammer drill Electric Wire stripper Wire cutter screwdriver Wire crimping tool Slotted Phillips Rubber mallet screwdriver screwdriver...
  • Page 22 User Manual 4 Mechanical Installation 4.3 Mounting the Data Logger As long as the installation environment requirements are met, the Data Logger can be installed at any suitable indoor location. The Data Logger can be rack-mounted or wall- mounted. 4.3.1 Wall-Mounted Installation Prerequisite DANGER Avoid drilling holes in the utility pipes and/or cables attached to back of the wall!
  • Page 23 4 Mechanical Installation User Manual Step 2 Insert the expansion sleeve into the drilled hole, and make it completely embedded in the wall with a rubber hammer. Step 3 Insert the tap screw and mounting ear successively into the expansion sleeve, to fix the Data Logger onto the wall.
  • Page 24 User Manual 4 Mechanical Installation Step 1 Mark positions on the rack according to dimensions of the Data Logger. Step 2 Drill holes on the rack with a hammer drill of φ6mm. Step 3 Level the mounting ears with the drilled holes on the rack. Step 4 Fix the Data Logger in the sequence of screws, mounting ears, rack, and nuts.
  • Page 25 5 Electrical Connection 5.1 Safety Instructions DANGER High voltage hazard! The Data Logger should be reliably ground. Never touch the AC power supply port "AC IN 100–277V, 0.48A" and MPLC communication port "L1/L2/L3" when the device is powered on. NOTICE High Risk hazard! Danger will be caused by touching the MPLC communication port immediately after powering down.
  • Page 26 USB port Reserved Used for software programming (this port is Micro SD SD port only available to SUNGROW technicians) Used for debugging of the Debug Debug port Data Logger Press and hold it for > 30s to restore the default settings.
  • Page 27 5 Electrical Connection User Manual Recommende Symbol Name Description d cables n Group-Time Code Format communicatio Reserved n port If the current is ≤1.25A, the 0.75~1.5mm DC IN DC24V power switch mode power supply at outdoor anti- 24V, 1.25A supply port this port requires reinforced ultraviolet wire insulation.
  • Page 28 User Manual 5 Electrical Connection 5.3 Wiring Overview The Data Logger: • can be connected to devices in the PV system such as the inverter, combiner box, Meteo Station, and energy meter through the RS485 port • can be connected to background devices through the Ethernet port •...
  • Page 29 5 Electrical Connection User Manual • Devices of different types must be connected to different RS485 communication ports of the Data Logger. For example, the transformer and the inverter should be connected to different RS485 communication ports of the Data Logger. •...
  • Page 30 User Manual 5 Electrical Connection When a multi-core and multi-strand copper core cable is used, the communications cable connected to an RS485 port on Logger must be crimped to cord end terminals of proper specification. Step 5 Connect the wiring terminal to the terminal “A1B1~A7B7" of the Data Logger. --End 5.4.2 Connecting to the Inverter with MPLC Port Integrated with MPLC master node, the Data Logger can be connected to the inverter...
  • Page 31 5 Electrical Connection User Manual 3. Connect the pins of the cables to the socket, as shown in the following figure. Connection Method Connect one end of the MPLC power cable in the scope of delivery to MPLC ports L1, L2, and L3 of the Data Logger, and the other end to the three-phase ports of the circuit breaker.
  • Page 32 User Manual 5 Electrical Connection The external circuit breaker is not included in the scope of delivery, and users need to prepare it by themselves if necessary. The external circuit breaker just needs to meet the above two parameters (nominal voltage and nominal current).
  • Page 33 5 Electrical Connection User Manual Step 3 Install appropriate cord end terminals on the communication cables after removing the protective layer and insulation layers, and use a crimping tool to securely crimp them. Step 4 Connect the cable to the RS485 port of the Data Logger, as shown in the figure below. --End 5.6 Connecting to the Energy Meter The Logger can be connected to the energy meter through the RS485 port or the Ethernet...
  • Page 34 User Manual 5 Electrical Connection Communicati Port Brand Protocol Type Wiring on Port definition RS485-A Modbus RTU Acrel RS485-B Modbus RTU Weidmue RS485-A ller Modbus RTU RS485-B EM610 RS485-B Modbus RTU Janitza RS485-A UMG604 5.6.1 RS485 Cable Ethernet Ethernet Modbus TCP Connection 5.6.1 RS485 Cable Connection Step 1 Lead the RS485 communication cable from the meter to the wiring area of the Data Logger.
  • Page 35 5 Electrical Connection User Manual --End 5.6.2 Ethernet Cable Connection Connect the "Ethernet" port of the energy meter and the "ETH1, ETH2, ETH5" port of the Data Logger with a network cable. 5.7 Wiring of DI Signal The DI port is used to access DI signals, such as remote grid dispatching instructions and alarms.
  • Page 36 User Manual 5 Electrical Connection --End 5.8 Wiring of DO Signal Port 1 corresponds to NO, port 2 to NC, and port 3 to COM. NO/COM is the normally open contact, and NC/COM is the normally closed contact. It is recommended that the signal transmission distance not exceed 10m.
  • Page 37 5 Electrical Connection User Manual --End 5.9 Wiring of AI Signal The AI port is used to access AI signals of devices such as environmental monitoring sensors. It is recommended that the signal transmission distance not exceed 10m. Step 1 Strip the protection layer and insulation layer of the analog input signal cable with a wire striper, as shown in the figure below.
  • Page 38 User Manual 5 Electrical Connection --End Port Symbol Description Supported voltage input range: 0V~10Vdc Supported current input range: 4mA~20mA AI + is connected to AI signal +, AI - is connected AI signal -. 5.10 Wiring of PT Signal The Data Logger is designed with two PT ports and supports 3-wire or 2-wire PT100/ PT1000 temperature sensor connection.
  • Page 39 5 Electrical Connection User Manual Step 3 Connect the cord end terminals to plugs “PT1”~”PT4" outside the Data Logger, as shown below. Port “PT1" is taken as an example. Figure 5-1 3–wire PT100/PT1000 connection Figure 5-2 2–wire PT100/PT1000 connection --End 5.11 Connecting to the Remote Monitoring Device The Data Logger can be connected to the background with an Ethernet switch or a router.
  • Page 40 User Manual 5 Electrical Connection The Data Logger is equipped with three Ethernet ports: ETH1, ETH2 and ETH5. Access the Ethernet switch and the router through either port. This section takes connecting to an Ethernet switch as an example to illustrate the wiring steps. The ETH5 network port is only for debugging and cannot be connected to the SCADA communication system.
  • Page 41 5 Electrical Connection User Manual Step 3 Install appropriate cord end terminals on the power cables after removing the protective layer and insulation layers, and use a crimping tool to securely crimp them. Step 4 Connect the cord end terminals to the plug "AC IN 100~277V, 0.48A" outside the Data Logger.
  • Page 42 User Manual 5 Electrical Connection Step 4 Connect the cord end terminals to the plug "DC IN 24V, 1.25A" outside the Data Logger. --End 5.14 Earthing Connection Prerequisite WARNING The grounding cable should be grounded reliably. Otherwise: It may cause fatal electric shock to the operator in case of failure. The equipment may be damaged when struck by lightning.
  • Page 43 5 Electrical Connection User Manual Step 3 Secure the grounding cable to the grounding hole of the Data Logger, as shown in the figure below. Item Definition Remarks Screw OT terminal Grounding hole Step 4 Fasten the screw with a wrench by the torque of 5±1N·m. --End...
  • Page 44 6 Commissioning 6.1 Inspection before Commissioning Check Item Result All cables are intact, well-insulated, and □ appropriately dimensioned. All cables are connected correctly and firmly. □ The polarity of the power supply cable is correct. □ The grounding cable is reliably grounded. 6.2 Commissioning Step Description Connect the commissioning PC to one of ETH1, ETH2, ETH5 ports of the...
  • Page 45 Users in other regions select “International Server”. Navigate to the web interface of the Data Logger to verify the operation of the string inverters manufactured by SUNGROW by reviewing their operational data. Create a plant via the iSolarCloud App and verify the accuracy of the data.
  • Page 46 User role Initial password maintain O&M user pw@111111 or pw1111 administrator System administrator pw@111111 or pw1111 Starting from firmware version P018, the Logger4000 Web UI supports user management. See 10 User Management. Table 7-2 ETH Ports Port IP address Subnet mask Default IP address: 12.12.12.12...
  • Page 47 7 Web Main Interface User Manual The IP address should have the same first three octets as the Logger4000. The fourth octet should be unique within the range of 1 to 254 to avoid conflicts (excluding 12, which is used by the Logger4000).
  • Page 48 Additionally, loss of the password can prevent access to the device, potentially causing losses to the power station. In these cases, SUNGROW shall not be liable for any losses incurred due to non-compliance with the recommended security practices.
  • Page 49 7 Web Main Interface User Manual Item Name Description Navigation Display main function modules of the Web menu Function display Display the current interface area Display the current alarm level and alarm number. Alarm icon Users can click the icons to enter the corresponding alarm page.
  • Page 50 See 7.8.5 System Time. Step 3 Add the device via auto search. Devices that can be automatically searched, such as SUNGROW string inverter, can be added via the auto search function with addresses allocated automatically. See 7.6.1 Device List.
  • Page 51 7 Web Main Interface User Manual Shortcut Menu • Device Setup: Click the menu to add, delete, modify, and view the device or perform auto search operation to search the device to which address will be automatically allocated. See 7.6.1 Device List。...
  • Page 52 User Manual 7 Web Main Interface 7.5.1 RealTime Values Realtime information such as power generation, device state, and active power can be viewed on this page. Step 1 Click Device Monitoring > Realtime Values to view the corresponding information. Step 2 Click to select the device type.
  • Page 53 Select the desired devices in the pop-up dialog, and click Save to apply the changes. --End 7.5.10 Device Instruction Users can perform power on, power off, and factory reset operations on SUNGROW inverters. Both individual and batch settings are supported. Take powering on inverter as an example: Step 1 Click Device Monitoring >...
  • Page 54 Typically, the system can deliver reliable preliminary diagnostic results after collecting data over at least two sunny days from the inverter. Ensure the Logger4000 is powered on at night, as the algorithm engages in self-learning during this time, to allow for effective data analysis and model optimization.
  • Page 55 7 Web Main Interface User Manual Step 2 Enable dispersion rate diagnosis. This function is turned on by default for P010 (firmware version) or later. For earlier versions, it is off by default, and will remain off even after the firmware is updated to P010 or later.
  • Page 56 User Manual 7 Web Main Interface • Array parameters have been set. See 7.5.12.2 Setting Array Parameters for details. • The inverter's communication is normal, and it has been online for at least 30 minutes. • No dispersion rate diagnosis task is currently in progress. Inverters in the array that are experiencing communication interruptions or have restored communication for less than 30 minutes will not be involved in the dispersion rate diagnosis.
  • Page 57 7 Web Main Interface User Manual Definition Description • Good (5–10%): Branch currents are generally satisfactory, with a few branches experiencing relatively low current. • Slightly Poor (10–20%): Branch currents are generally not ideal, with a few noticeably lower than others. •...
  • Page 58 User Manual 7 Web Main Interface Table 7-3 Abnormal Symptoms Abnormal Symptom Description The string current shows abnormal because data Logger abnormal cannot be collected properly due to incorrect logger configuration or device faults. Inverter operation The string current shows abnormal because the abnormal inverter cannot operate properly.
  • Page 59 Devices can be searched and automatically added. 7.6.1.1 Auto Search The “Auto Search” function is used for SUNGROW string inverters with addresses automatically allocated. Inverters without a serial number do not support the automatic search function and device adding function.
  • Page 60 User Manual 7 Web Main Interface Step 2 Click Add Device to open the Add Device pop-up window, select Device Type and fill in the information required. --End 7.6.1.5 Edit Device Step 1 Click Device > Device List to enter the corresponding page. Step 2 Click to open the Edit Device pop-up window.
  • Page 61 By default, the inverter's Bluetooth is enabled to facilitate operation, maintenance, and commissioning. In scenarios of large utility plants where Bluetooth is not required, users can disable Bluetooth for multiple inverters within the array at once via Logger4000 before grid connection, thus improving the O&M efficiency.
  • Page 62 User Manual 7 Web Main Interface The connected inverters will be displayed in a list on the screen, along with information on whether the inverter model supports Bluetooth pairing. Step 2 Select the target inverters from the device list, and then click Enable Bluetooth for Selected Items in the upper right corner.
  • Page 63 Ensure the device is powered on and has a stable communication during detection. If the device loses power or if the detection time is less than 3 minutes, the data will be considered invalid. The firmware version of Logger4000 should be P029 or later. See 7.8.14 Viewing the Firmware Version for details.
  • Page 64 User Manual 7 Web Main Interface Parameter Range Description exceeding the preset alarm threshold. HV Side Winding Value: 0 or 1. "0" Temperature indicates no tripping, Trip while "1" indicates tripping due to the temperature exceeding the preset trip threshold. LV Side Winding Floating-point format, with A value will be shown only if...
  • Page 65 7 Web Main Interface User Manual Parameter Range Description 2# LV Floating-point format, with Side Winding an accuracy of 0.1. Unit: ℃. Temperature 2# LV Value: 0 or 1. "0" Side Winding indicates no alarm, while Temperature "1" indicates an alarm Alarm due to the temperature exceeding the preset...
  • Page 66 User Manual 7 Web Main Interface Step 3 View the history winding temperature data. Navigate to History Data > History Curve. Then, click in the upper right corner to view the history winding temperature data. --End 7.7 History Data 7.7.1 Log You can view each user's operation history, for traceback of major events, on the "Operation Log"...
  • Page 67 7 Web Main Interface User Manual 7.7.2 Fault Record You can check the device's fault information within a certain period of time by setting the search criteria. Step 1 Click History Data > Fault Record to enter the corresponding page. Step 2 Set the start and end time, and click to select the device name and fault type.
  • Page 68 User Manual 7 Web Main Interface --End 7.8 System 7.8.1 Run Information • Click System > Run Information to enter the corresponding page. The following information can be viewed: System Software Version Check information like system time, IP address, MAC address, and mobile network. Reset Check information like AI voltage and current values, and DI status.
  • Page 69 7 Web Main Interface User Manual Parameters Description You need to set a password for the zipped file when exporting. The password should meet the relevant requirements. Import local configuration files to the system. You need to enter the password for unzipping the file when Import importing, which is the one you set when exporting the file.
  • Page 70 User Manual 7 Web Main Interface 7.8.2.6 HTTPS Certificate Import Step 1 Click System > System Maintenance. Step 2 Click Forwarding Information. Step 3 In the pop-up dialog, click to select Configuration File Import with a .crt extension, and Configuration File Export with a .key extension. Step 4 Click Confirm.
  • Page 71 7 Web Main Interface User Manual Table 7-10 Parameters description Remote maintenance Description switch state Disable Cannot perform remote maintenance on the Data Logger. Enable Can perform remote maintenance on the Data Logger. Step 2 Forwarding is Prohibited is associated with the iSolarCloud forwarding address. If you need to change it, modify the iSolarCloud server.
  • Page 72 User Manual 7 Web Main Interface Parameter Description Port Export the message recorded during the Duration set time Step 2 After setting the parameters, click Start to start recording message. The recording automatically stops when the set time reaches, or the user may manually click Stop to stop recoding message.
  • Page 73 7 Web Main Interface User Manual Clock source Description The current system time and time zone can be set in the following two ways: • Check User Define to synchronize the time of the Data Logger Inverter with the time of the PC. Timing •...
  • Page 74 User Manual 7 Web Main Interface Step 1 Click System > iSolarCloud to enter the corresponding page. Step 2 Click to modify the forwarding configuration information of iSolarCloud. The default iSolarCloud server is "Chinese Server". Users in mainland China select "Chinese Server". Users in Europe select "European Server". Users in Australia select "Australian Server".
  • Page 75 7 Web Main Interface User Manual 7.8.7.4 Export IEC104 Forwarding Point Table Step 1 Click System > iSolarCloud > Time Interval to enter the Client page. Step 2 Click to export the forwarding point list to the local device. The exported point list includes both .xml and .csv formats.
  • Page 76 Prerequisite • When employing Modbus-TCP fast dispatch, an Ethernet switch is set up between the backend and the Logger4000’s ETH3 or ETH4 rapid control ports, connected using standard Ethernet cables. A standard CAT5E/75cm Ethernet cable will suffice. • Only configure the IP address for one of the fast dispatch ports (either ETH3 or ETH4), ensuring it is within the same subnet as the backend IP wherever possible.
  • Page 77 7 Web Main Interface User Manual Step 5 Based on the actual situation of the power station, configure the network parameters for the fast dispatch ports ETH3 and ETH4. Step 6 To enable Copy Remote Access Information, under the field Unlink, select Enable. a.
  • Page 78 Step 4 Modify the configuration information and click Save. Set the FTP path and name it as "/FTP server directory". For example, for the name "/SUNGROW", / is the root directory, and SUNGROW is the directory where data is stored on the FTP server.
  • Page 79 7 Web Main Interface User Manual After enabling the GOOSE, ensure the interval between two consecutive dispatch commands meets the following requirements. Otherwise, the inverter might not fully respond to the target values. • Active power control: The interval should be at least 60 milliseconds. •...
  • Page 80 User Manual 7 Web Main Interface Only when COM1 to COM7 ports are connected to the device can the Stop Bit status corresponding to COM1 to COM7 ports be set to Enable. After setting the enable, the baud rate for COM1 to COM7 ports will be automatically modified to 115200.
  • Page 81 Voltage External For Logger4000 with firmware version higher than P028, the upper limit temperature for PT100 is increased from 120°C to 160°C. Step 3 If there is an external IO device connected to the Data Logger, click Current to set the AI parameters of this device.
  • Page 82 0.5% or some inverters frequently go offline), you can enable the automatic frequency hopping feature to improve reliability. Prerequisite • Firmware version of Logger4000: P025 or above. See 7.8.14 Viewing the Firmware Version. To check the packet loss rate, navigate to the page System > Run Information.
  • Page 83 Step 1 Click System > Reboot to enter the corresponding page. Step 2 Select state of Reboot Master Node from the drop-down list: Disable or Enable. • If set to Enable, parameters of string inverters developed by SUNGROW can be automatically added without additional operations on the Web. •...
  • Page 84 User Manual 7 Web Main Interface The firmware version of the Data Logger is identified by Action, formatted as “LOGGER- SV400.001.00.P[XXX]". For easier recognition, the firmware version is often shortened and referred to as "P[XXX]." --End To add this Data Logger to iSolarCloud, simply scan the QR code on the page More using iSolarCloud App.
  • Page 85 Regularly updating firmware can fix security vulnerabilities and performance issues, reducing system failures and maintenance costs. You can update Sungrow inverters, the Data Logger, and PLC nodes through the Web UI. Update Methods...
  • Page 86 User Manual 8 Updating After updating, you can view details such as the current firmware version, target version number, and the time of the update. 8.2 Updating the Data Logger Prerequisite Prepare the necessary files or configurations based on your chosen update method: •...
  • Page 87 8 Updating User Manual Step 2 Click Communication Output Recovered, select the appropriate update method from the dialog. Step 3 Follow the on-screen instructions to complete the update process. --End...
  • Page 88 9 Grid Dispatching The Data Logger is equipped with a power control module that can manage the active and reactive power of connected inverters. You can send control commands to the inverters via a local or third-party control system (SCADA) based on actual grid requirements, ensuring grid stability and efficient power use.
  • Page 89 9 Grid Dispatching User Manual Mode Description Directly control the inverter's photovoltaic power via the Data Local Power Logger. This method is suitable for distributed power stations Control and zero-feed-in scenarios. Recommended when the power station is in a commissioning phase. Use digital signals from the Data Logger's AI port (e.g., Analog Input current or voltage) to adjust inverter power.
  • Page 90 Threshold, the Logger sends an active power limit ratio of 100% to the inverter. • If you select Disable, the above operations are not supported. The firmware version of Logger4000 is P028 or later. See 7.8.14 Viewing the Firmware Version for instructions on how to check the firmware version.
  • Page 91 9 Grid Dispatching User Manual 9.3.1.2 Closed-Loop control Prerequisite • The current Active Control Mode is set to Remote Power Control. Refer to Selecting Power Control Mode. • A gateway meter or a box transformer with monitoring and control devices is connected. Step 1 In the drop-down list Control Method, select Closed-loop Control.
  • Page 92 User Manual 9 Grid Dispatching You can set up to three fallback values for the inverter output power. a. Under the field Unlink, select Enable to activate the protection settings. b. In the fields Public Key Input and Port, enter the IP address and port number of the backend, respectively.
  • Page 93 9 Grid Dispatching User Manual • kW: Adjusts the power by setting the total rated power of the inverter array. Recommended for scenarios where precise control of the inverter’s output power is required, such as when a power station needs to comply with grid capacity limits. •...
  • Page 94 Split-phase Active Power Control: The meter collects data of a single phase as feedback values for power regulation. The firmware version of the Logger4000 P028 or later supports this step. See 7.8.14 Viewing the Firmware Version for instructions on how to check the firmware version.
  • Page 95 9 Grid Dispatching User Manual If no additional combinations of time and target values are set, the Data Logger will adjust power according to default values throughout the day. Step 1 Position the cursor in the columnTime, and in the time picker, select the time to deliver the power control command.
  • Page 96 User Manual 9 Grid Dispatching Step 1 In the drop-down list Control Method, select Open-loop Control or Closed-loop Control. Step 2 For Closed-loop Control, in the drop-down list Select Meter, select the meter for power control. Step 3 In the drop-down list Control Cycle, specify the interval at which the Data Logger sends dispatch commands to the inverter.
  • Page 97 9 Grid Dispatching User Manual Step 1 In the drop-down list Control Method, select Open-loop Control or Closed-loop Control. Step 2 For Closed-loop Control, in the drop-down list Select Meter, select the meter for power control. Step 3 In the drop-down list Control Cycle, specify the interval at which the Data Logger sends dispatch commands to the inverter.
  • Page 98 User Manual 9 Grid Dispatching Step 5 During the installation and commissioning phase of the power station, if the inverter is not yet connected, you can use the data simulation feature to test whether the Data Logger forwards data correctly. By default, the data simulation switch is disabled.
  • Page 99 9 Grid Dispatching User Manual Step 2 In the drop-down list Scheduling Mode, select the desired dispatch method. Step 3 In the drop-down list Logout, select whether to control dispatch using digital output signals. Step 4 In the field DO Control, enter the percentage to limit the inverter’s power output. Step 5 In the field Limited Power, enter the percentage to limit the inverter’s power output when the electricity price is negative.
  • Page 100 By default, the SUNGROW inverter outputs inductive reactive power (positive) when the grid needs to increase voltage, and capacitive reactive power (negative) when it needs to decrease voltage.
  • Page 101 9 Grid Dispatching User Manual Step 4 When Closed-loop Control is selected, refer to the local active power control and configure the corresponding parameters. Refer to 9.3.2.2 Closed-Loop control. Step 5 When Closed-loop Control is selected, in the field Valid, estimate and set the reactive power loss in the line.
  • Page 102 User Manual 9 Grid Dispatching --End 9.4.4 Regulating Reactive Power via Digital Input Prerequisite • The Reactive Control Mode is currently set to Digital Input. Refer to 9.2 Selecting Power Control Mode. • For closed-loop control, a gateway meter for power control must be connected. Step 1 In the drop-down list Control Method, select Open-loop Control or Closed-loop Control.
  • Page 103 Prerequisite • The Logger4000 is connected to the emergency stop device. Step 1 Click Power Control > Emergency Button to navigate to the corresponding page. Step 2 Set Emergency Button to Enable. Step 3 In the drop-down list DI Port, select the DI port connected to the emergency stop device.
  • Page 104 User Manual 9 Grid Dispatching If the inverters remain in standby mode after resetting the emergency stop switch, manually start the inverters through on the Device Monitoring > Device Instruction page. If there is any problem, contact SUNGROW.
  • Page 105 The following roles are provided: • General user • O&M user • R&D user • System administrator The R&D user account is reserved only for SUNGROW’s technical support engineers. User role Menu permissions System General user O&M user administrator View real-time data of the ╳...
  • Page 106 System administrator pw@111111 or pw1111 The initial login password for the Logger4000 varies depending on the firmware version: • Versions P018 to P021: The initial login password for both the "maintain" and "administrator" accounts is “pw@111111”.
  • Page 107 10 User Management User Manual Depending on the interface language, you can associate the account with the following: • Email address • Phone number If both an email address and phone number are added, the system will prioritize the phone number for verification purposes in the event of password recovery. Step 3 Click Save.
  • Page 108 Step 4 Click Confirm. --End 10.6.2 Resetting Administrator Account Password Step 1 Open the Web UI of the Logger4000. Step 2 Enter the username: administrator. Step 3 Click Permission to open the Modify Password dialog box. Step 4 Enter the private key.
  • Page 109 10 User Management User Manual 10.7 Setting Account Security Parameters To enhance account security, you can configure the related parameters to control login behavior and session validity. Prerequisite • Log in to the Web UI as an administrator. See 10.2 Factory Default Passwords.
  • Page 110 11 Routine Maintenance Due to ambient temperature, humidity, dust, and vibration, the internal components of the Data Logger may age and wear, which may lead to potential failures inside the device. Therefore, it is necessary to perform daily and regular maintenance on the Data Logger to ensure its normal operation and service life.
  • Page 111 11 Routine Maintenance User Manual Item Method • Ensure that there are no heat sources near the Data Logger. • Ensure that there are no corrosive materials present near the Data Logger. • Ensure that the power supply voltage is within the normal range. Hardware •...
  • Page 112 The following table shows common faults and corresponding corrective measures. If the fault still persists after you perform the corrective measures as described in this manual, contact SUNGROW with the following information provided: • Serial number of the Data Logger, date of manufacture, and software version •...
  • Page 113 Communication connection normal. status between the Data If there is an abnormality, Logger and the device is check for duplicate abnormal. addresses on the same port. If the fault persists, contact SUNGROW Customer Service.
  • Page 114 User Manual 12 Troubleshooting Fault Possible Cause Corrective measure Inspect the RS485 communication cable The RS485 cable connecting between the device and the the device and the Data Data Logger for any short Logger is abnormal. circuits, open circuits, or reverse connections between RS485-A and RS485-B.
  • Page 115 12 Troubleshooting User Manual Fault Possible Cause Corrective measure Ensure that the protocol Protocol configuration of the configuration of the background is inconsistent background is consistent with with that of the device. that of the device. Verify the network connection Network connection between between the Data Logger the Data Logger and...
  • Page 116 Communication connection is to upgrade the inverter again abnormal. if so. If the fault persists, contact SUNGROW Customer Service. Log into the Web, and verify Communication connection is whether the communication abnormal. status is normal on the Device Monitoring page.
  • Page 117 12 Troubleshooting User Manual Fault Possible Cause Corrective measure • Log into the Web. • Click Device > Device List > Add Device. No inverter is added to the • Click the function column MPLC port. of corresponding DO and select Inverter Action Triggered By DI Action.
  • Page 118 13 FAQ How many types of communication ports does the Data Logger support, what are the corresponding ports, and how to set the port parameters? Type Port name Default values ETH1, Ethernet ETH2 and For default parameters, see 7.8.11.2 Ethernet ETH5 Baud rate: 9600, A1B1~A7B...
  • Page 119 How to log into the system via R&D account and how to obtain the password? Generally, the O&M users have access to most of onsite configurations. If there is any needs to use the R&D account, contact SUNGROW to obtain a temporary password. The temporary password is valid only as of this day.
  • Page 120 14 Appendix A: Technical Data Communication Inverter communication RS485, MPLC PC communication 10 / 100 Mbps Ethernet / RS485 Max. Communication Range RS485 1000m Ethernet 100m MPLC* 1000m Communication Ports RS485 5 × 10/100Mbps ETH1/2: Ethernet port Ethernet ETH3/4: Fast dispatch port ETH5: Reserved port Digital input Digital output...
  • Page 121 14 Appendix A: Technical Data User Manual Storage temperature -40°C~+70°C Operating humidity ≤ 95%, no condensation Elevation ≤4000m IP rating IP20 Mechanical Parameters Dimensions (W x H x D) 440×44×224 mm Weight 3 kg Installation Rack-mounting, wall-mounting...
  • Page 122 15 Appendix B: Related Drawings Rack-Mounted Drawings Wall-Mounted Drawings...
  • Page 123 After replacement, unqualified products shall be processed by SUNGROW. • The customer shall give SUNGROW a reasonable period to repair the faulty device. In the following circumstances, SUNGROW has the right to refuse to honor the quality guarantee: • The equipment is damaged during transport.
  • Page 124 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...