Sungrow EMU200A User Manual
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Sungrow EMU200A User Manual

Sungrow EMU200A User Manual

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User Manual
Energy Management Unit
EMU200A
EMU200AEnergy Management
UnitUser ManualEMU200A-UEN-
Ver15-202403M-D-000136
EMU200A-UEN-Ver15-202403

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Summary of Contents for Sungrow EMU200A

  • Page 1 User Manual Energy Management Unit EMU200A EMU200AEnergy Management UnitUser ManualEMU200A-UEN- Ver15-202403M-D-000136 EMU200A-UEN-Ver15-202403...

  • Page 3: All Rights Reserved

    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 4: About This Manual

    All pictures, marks, and symbols in this manual are owned by SUNGROW. No part of this manual may be reproduced by any non-internal staff without the prior written author- ization of SUNGROW.
  • Page 5 • Read through this manual carefully and have a good understanding of the relevant safety instructions; • Be familiar with applicable local standards and relevant safety regulations on electrical systems. How to Use This Manual Read through this manual carefully before using the product, and keep it properly in an easy-to-reach place.

  • Page 7: Table Of Contents

    Contents All Rights Reserved .....................I About This Manual......................II 1 Safety Instructions ....................1 1.1 Safety Signs on the Product ................1 1.2 General Safety Instructions ................2 1.3 Packaging, Transport, and Storage Safety............4 1.4 Installation Safety ...................5 1.5 Electrical Safety .....................7 1.6 Operation Safety ....................8 1.7 Maintenance Safety ..................8 1.8 Disposal Safety ....................10 2 Product Description...
  • Page 8 4.6 Connection Steps ..................28 4.6.1 Grounding ..................28 4.6.1.1 Cooper Bar Grounding ...............29 4.6.1.2 PE Point Grounding ..............30 4.6.2 RS485 Communication Terminal Connection ........31 4.6.3 Optical Fibre (Optional)................32 4.6.4 Power Supply Connection..............32 4.6.5 PLC Wiring ..................34 4.6.5.1 Application Scenarios ..............34 4.6.5.2 PLC Wring Rules ...............36 4.6.5.3 PLC Wiring................40 4.6.6 DI/DO Port Connection ................42 4.6.7 PID Dry Contact Connection (Optional)..........44...

  • Page 9: Safety Instructions

    All work should be carried out considering the actual situation on the site. • SUNGROW shall not be held liable for damages caused by violation of safe operation requirements, general safety standards, and safety instructions in this manual.

  • Page 10: General Safety Instructions

    1 Safety Instructions User Manual General Safety Instructions Compliance with Laws and Regulations All work, including transport, storage, installation, operation, use, and mainte- nance, should be done in compliance with the local laws, regulations, standards, and specifications. Personnel Requirements Persons who perform operations on the device must meet the following requirements: •...
  • Page 11 User Manual 1 Safety Instructions Wear specialized personal protective equipment during the process of operation, such as protective clothing, insulated shoes, goggles, safety helmets, and safety gloves. Personnel except for those who perform operations on the device should stay away from the device. Tools Requirements •...

  • Page 12: Packaging, Transport, And Storage Safety

    1 Safety Instructions User Manual When installing the device, ensure the foundation is solid and stable and has a load-bearing capacity up to the requirements of the device. Do not perform any operation on the product (including but not limited to, handling, installing, powering on, and maintaining the product, performing electrical connec- tion, and working at heights) in harsh weather conditions, such as thunder and lightning, rain, snow, and Level 6 or stronger winds.

  • Page 13: Installation Safety

    • Check if the safety signs, warning labels, and the nameplate on the product are all legible. In case of any problem with the above-mentioned inspection items, contact SUNGROW in time. Installation Safety During installation, do not perform any operation on the device when it is powered on.
  • Page 14 1 Safety Instructions User Manual Pre-installation • Upon receiving the product, be sure to inspect it for damages. Contact SUN- GROW or the transport company immediately in case of anything abnormal. • Be sure to have a good understanding of the safety instructions in this manual before performing any operation on the product.

  • Page 15: Electrical Safety

    User Manual 1 Safety Instructions Electrical Safety Improper wiring may result in personal injuries. Operators responsible for electrical wiring must read through the safety instructions carefully before proceeding with this work. Before carrying out electrical connection: • Make sure the product is not damaged; otherwise, it may lead to danger. •...

  • Page 16: Operation Safety

    1 Safety Instructions User Manual • Electrical connection must be performed by qualified personnel. • All work related to wiring must be conducted in compliance with the applicable local laws and regulations of the country/region. • Please observe the warning signs on the device, and perform operations by strictly following the corresponding safety instructions.
  • Page 17 Power off the device before proceeding with maintenance. • Repair of the device can only be performed by SUNGROW's service team or qualified personnel. • Users are forbidden from performing repair and maintenance or replacing mod- ules by themselves.

  • Page 18: Disposal Safety

    • To minimize the risk of electric shocks, do not perform maintenance operations that are not specified in this manual. If needed, please contact SUNGROW for maintenance and repair services. Otherwise, damages caused therefrom will not be covered by the warranty.

  • Page 19: Product Description

    Connected to background plant controller through a core switch EMU200A can be connected to Insight or SCADA through a core switch, as shown below. figure 2-1 Ring networking When the ring networking is used, a maximum of 15 EMU200A can be connected to a ring network.

  • Page 20: Main Features

    2 Product Description User Manual figure 2-2 Star networking Connected to iSolarCloud through a router EMU200A can be directly connected to the iSolarCloud through a router, as shown below. Main Features Flexible networking • Support of RS485, Ethernet and MPLC communication.

  • Page 21: Dimensions

    User Manual 2 Product Description • Grid control instructions and power factor control, 30ms fast reactive power scheduling Safe and reliable • Electrical isolation and SPD for every port. • (Optional) Built-in anti-PID and insulation resistance detection (ISO). • IP65 protection. Dimensions The following figure shows the dimensions of the product.

  • Page 22: Mechanical Mounting

    Mechanical Mounting Respect all local standards and requirements during mechanical installation. Installation Notices Before installing the device, read through the “General Safety Instructions” first and ensure the requirements listed therein, as well as requirements mentioned in "Installation Safety", are all met. During installation, do not perform any operation on the device when it is powered on.

  • Page 23: Inspection Before Installation

    The device is carefully tested and inspected before delivery, but damage may be caused during shipping. Therefore, inspect the device before installation. If there any damage, contact the forwarding company or SUNGROW. Installation Tools Installation tools include but are not limited to the following recommended ones. If necessary,...

  • Page 24: Location Requirements

    Tube crimp Heat gun Multimeter (≥ 1500 Vdc) Location Requirements • With the ingress of protection IP65, EMU200A can be installed outdoors. • Ambient temperature: -30℃ to +60℃，and ambient humidity: ≤ 95%, without condensa- tion. Excessive moisture can damage internal components.

  • Page 25: Installation Method

    User Manual 3 Mechanical Mounting • Take anti-moisture and anti-corrosion measures. Installation Method Beware of the weight of the device throughout the installation process! Tilting or falling of the device due to inappropriate processing can cause personal injury! Wall mounting and bracket mounting are both available. Choose the corresponding installa- tion method according to actual needs.

  • Page 26: Bracket Mounting

    3 Mechanical Mounting User Manual Step 3 Place the M10X45 expansion sleeve(not included in the scope of delivery) into the hole, and tap it with a rubber hammer. Make it completely embedded in the wall. Select expansion bolts with proper length according to the depth of drilling. Step 4 Fasten the device on the wall in the order of nut, lock washer, flat washer, mounting ear.

  • Page 27: Ground Mounting

    For the ground mounting, the device is fixed to the foundation via the installation holes in the bottom of the device (shown as A in the figure below). To avoid excessive bending of cables, it is recommended that the bottom of EMU200A be 30 cm from the ground.

  • Page 28: Installing Io Modules (Optional)

    3 Mechanical Mounting User Manual Step 2 Pre-embed the foundation bolts in the four corners of the foundation, and the bolts used are M10. The foundation bolts are not in the scope of delivery Step 3 Secure the installation holes in bottom of the device to the foundation with a fastening torque of 37±3N.m.
  • Page 29 User Manual 3 Mechanical Mounting Step 2 Set communication address. Find the dip switch on the back, and set the communication ad- dress through the dip switch. The setting range of the communication address is from 1 to Example of communi- Binary address Decimal address cation...
  • Page 30 3 Mechanical Mounting User Manual Step 3 Insert IO modules into the reserved area. Step 4 Install the four IO modules as shown in the following figure. - - End...

  • Page 31: Electrical Connection

    Electrical Connection Electrical Connection Notices Before performing electrical connection, read through the “General Safety Instructions” first and ensure the requirements listed therein, as well as requirements mentioned in "Electrical Safety", are all met. Before carrying out electrical connection: • Make sure the product is not damaged; otherwise, it may lead to danger. •...

  • Page 32: Internal Structure

    Waterproof terminal for PID dry contact PID01 DO output Waterproof terminal for PID dry contact PID02 DO output Grounding point, on the right side of the device Internal Structure The internal structure of EMU200A is shown in the following figure.
  • Page 33 User Manual 4 Electrical Connection Recommended Cable Description Description Item Specification Optional Must work with optical fibre Optical fiber terminal ring switches — For more information, please visit the distributor's official website 2 x (0.75~1.5) mm out- Cables not included in the door anti-ultraviolet RS485 communica- scope of delivery...

  • Page 34: Connection Overview

    Connection Overview EMU200A can collect information of the inverter, the transformer, and other devices in the system, and upload it to the background monitoring system or iSolarCloud. EMU200A supports various communication methods. The following describes the scenario where data is transferred to the background plant controller through a switch.

  • Page 35: Preparation Before Connection

    User Manual 4 Electrical Connection Preparation Before Connection Step 1 Open the cabinet. Unlock the door with the specific key, as shown in the following figure. Step 2 Unclip the top and bottom clips of the cabinet.

  • Page 36: Connection Steps

    4 Electrical Connection User Manual Step 3 Disconnect the upstream input switch of the device, and turn the power switch inside the de- vice to the "OFF" position to ensure the device is voltage-free. Step 4 Disconnect the switch of the transformer side. Step 5 Remove the protective cover inside the cabinet.

  • Page 37: Cooper Bar Grounding

    User Manual 4 Electrical Connection • Strip the cable and crimp the OT terminal, and then use heat shrink tubing to tighten the cable and the OT terminal. 4.6.1.1 Cooper Bar Grounding Position Description The grounding copper bar is located inside the cabinet, as shown in the figure below. Wiring Steps Step 1 Unscrew the waterproof terminal “PLC Input AC 400V/480V/540V/800V”...

  • Page 38: Pe Point Grounding

    4 Electrical Connection User Manual Step 2 Connect the yellow-green grounding cable led from outside to the grounding copper bar in- side the device through the internal waterproof terminal “PLC Input AC 400V/480V/540V/ 800V”. Item Definition Remark M6x12 bolt Not included in the scope of delivery OT terminal Included in the scope of delivery Grounding hole...

  • Page 39: Rs485 Communication Terminal Connection

    Grounding hole 4.6.2 RS485 Communication Terminal Connection Preparation Before Connection When the EMU200A is connected to external devices by RS485, make sure that the external devices are protected against lightning. Cable Requirements Cables connected to the device must be 2 x (0.75~1.5)mm in cross-sectional area.

  • Page 40: Optical Fibre (Optional)

    Step 1 Unscrew the waterproof terminal "Optical fiber ports", and lead the optical fibre through the terminal. Step 2 Splice the optical fibre inside the splice box. For details, contact SUNGROW. Step 3 Screw the waterproof terminal "Optical fiber ports". - - End 4.6.4 Power Supply Connection...
  • Page 41 User Manual 4 Electrical Connection • Prepare the AC cable. Installation Steps Step 1 Unscrew the waterproof terminal "Input AC 100–277V", and lead the external power supply cable through the terminal. Step 2 Strip the cable with a wire stripper. Step 3 Crimp the cord end terminal, and the recommended terminal model is LT015008.

  • Page 42: Plc Wiring

    4 Electrical Connection User Manual Step 4 Connect the cord end terminal to the corresponding terminal, and secure it with a screw with a fastening torque of 2.0N·m. Step 5 Screw the waterproof terminal "Input AC 100–277V". - - End 4.6.5 PLC Wiring This section gives an introduction to PLC wiring diagrams and rules for PLC wiring between different devices.
  • Page 43 User Manual 4 Electrical Connection figure 4-1 PLC wiring diagram of a double-winding transformer figure 4-2 PLC wiring diagram of a double-split transformer Description of parameters in the diagrams is listed in the table below.

  • Page 44: Plc Wring Rules

    4 Electrical Connection User Manual Description Cable Specification Parameter • Use outdoor UV-resistant multi-core copper AC cable with a core diameter of Length of PLC cable from 2.5mm²~10mm². communication box to • Cable isolation voltage >1000V. box-type transformer • Suggested length <10m. Shorter cable leads to better communication.
  • Page 45 User Manual 4 Electrical Connection Only AC cables of the same box-type transformer can be laid in the cable trench. Di- agram of PLC wiring of the same box-type transformer is shown below. figure 4-3 Diagram of PLC wiring of the same box-type transformer Cables can be laid in the cable trench in parallel, which however should not get en- tangled or knotted.
  • Page 46 4 Electrical Connection User Manual figure 4-5 Vertical spacing between PLC cables (crosswise) • Requirements for PLC wiring under different box-type transformers The LV-side AC cables of different box-type transformers should be laid in their own cable trenches. The diagram of PLC wiring of different box-type transformers is shown below.
  • Page 47 User Manual 4 Electrical Connection figure 4-8 Vertical spacing between PLC cables (crosswise) Wiring requirements of MV AC cable and LV AC cable of different box-type transform- ers are listed as follows. – In the case of two cables laid parallel to each other, the horizontal spacing be- tween them should be ≥0.5m.

  • Page 48: Plc Wiring

    4 Electrical Connection User Manual The aforementioned requirements should all be met, as shown in the figure below. figure 4-9 Parallel-pair cable wiring diagram The length of a parallel-pair cable constituted by two single-core cables should be ≤800m, while the length of a parallel-pair cable constituted by two multi-core cables should be ≤1000m.
  • Page 49 User Manual 4 Electrical Connection Crimp the OT terminals (OT2.5-6 is recommended). Connect the cable to the corresponding terminal, as shown in the figure below.

  • Page 50: Di/Do Port Connection

    • For parameters of the circuit breaker on the box-type transformer side, you may refer to the parameters of EMU200A’s internal circuit breaker in the above figure. • Please pay attention to the phase sequence of cables and terminals in the wiring process.
  • Page 51 User Manual 4 Electrical Connection If the purchased model is equipped with an IO module, the DI/DO port must be connected to the IO module. For details about how to connect the DI/DO port, scan the following QR code to view the Quick Installation Guide of IO Module.

  • Page 52: Pid Dry Contact Connection (Optional)

    4 Electrical Connection User Manual 4.6.7 PID Dry Contact Connection (Optional) • The relay can be set as fault alarm output, and user can configure it to be a normally open contact (NO&COM) or a normally closed contact (NC&COM). • The relay is initially at the NC terminal.
  • Page 53 User Manual 4 Electrical Connection Step 1 Unscrew the nut of the "DO" waterproof terminal at the bottom of the PID module. Step 2 Open the maintenance door of the PID module with a Phillips screwdriver. Store the removed nuts, maintenance door, and bolt assemblies in an accessible location and install and tighten them after the wiring is completed.
  • Page 54 Step 3 Lead the cable through the “PID01 DO” / “PID02 DO”waterproof terminal at the bottom of EMU200A and the “DO” waterproof terminal at the bottom of the PID module, and use a wire stripper to strip off the protective layer.
  • Page 55 Step 8 Gently pull the cable to ensure that it is connected firmly, and secure the nut. Step 9 Install the maintenance door using the removed M4 screws with a tightening torque of 1.2N. Step 10 Tighten the “PID01 DO” / “PID02 DO” waterproof terminal at the bottom of the EMU200A. - - End...

  • Page 56: Post-Wiring Processing

    4 Electrical Connection User Manual Post-wiring Processing Check whether the electrical wiring is completed correctly. If so, seal the cable inlet by filling the clearance around the cable with fireproof mud. Step 1 Gently pull the cable backwards to make sure the connection is secure after finishing wiring. Step 2 Install back the protective cover inside the cabinet.

  • Page 57: Commissioning

    Description Item Connect the internal fuse of EMU200A. Connect the control switch of AC power supply. Check whether the switch and 24V switch-mode power supply operate normally.

  • Page 58: Logger Commissioning

    5.3.2 Logger Commissioning Description Item Connect PC to the Ethernet port of the switch inside EMU200A by using a net- work cable. The default IP address of Ethernet ports is 12.12.12.12, and the vir- tual IP address is 14.14.14.14 Configure the IP addresses of the PC and ports FE1~FE4 of the Logger on the same network segment.

  • Page 59: Pid Commissioning (Optional)

    User Manual 5 Commissioning For more details, refer to Logger4000 User Manual, which can be obtained by scanning the foregoing QR code. 5.3.3 PID Commissioning (Optional) Parameters of the PID module can be set on the embedded web of the logger. Log in to the web and ensure that the PID module is online.

  • Page 60: Commissioning Steps

    The method of changing the password: click “O&M User→Modify Password” to set a new password. If you forgot login password, contact SUNGROW and inform us the S/N and sys- tem time of the current device to obtain the dynamic password.
  • Page 61 User Manual 5 Commissioning Step 2 Connect PID device. Click Add Device tab, and set the device information on the pop-up. table 5-1 Set parameters of the PID device Parameter Description Device Type Choose PID. Select the port to be connected to Logger4000 from COM1 to Port COM7.
  • Page 62 5 Commissioning User Manual Step 3 Click Device Monitoring and select the PID module to be set in the left device bar. • Click Real-time Values tab to check real-time data information such as AC insulation impedance, power output voltage, power output current, internal temperature, fault sta- tus, and alarm status of the PID device.
  • Page 63 User Manual 5 Commissioning Description Parameter – Duration needed to trigger the AC insulation alarm of the PID module. AC Insulation Alarm – The alarm time can only be integer values. Time – If the protection threshold < detection value < alarm threshold for a period longer than the insulation alarm time, the PID module will report the alarm code.
  • Page 64 5 Commissioning User Manual Description Parameter – The value that indicates the AC insulation resistance of the PID module returns to normal. – The protection recovery value can only be integer AC Insulation Protec- values. tion Recovery Value – If the protection recovery value < detection value for a period longer than the insulation protection recovery time, the fault of the PID module is cleared and the protection is stopped.
  • Page 65 User Manual 5 Commissioning Click Save to apply the parameter settings. • Click Device Information tab to check the device model and software version. - - End...

  • Page 66: Troubleshooting And Maintenance

    Troubleshooting and Maintenance Maintenance Notices Before maintenance, read through the “General Safety Instructions” first and ensure the re- quirements listed therein, as well as requirements mentioned in "Maintenance Safety", are all met. Risk of personal injury or device damage due to improper maintenance! •...

  • Page 67: Pid Module Replacement (Optional)

    FU1 (800Vac), and then disconnect Q1(220Vac). Steps Step 1 Open the EMU200A cabinet door referring to "4.5 Preparation Before Connection". Step 2 Loosen the nut of the "INPUT-OUTPUT" waterproof terminal at the bottom of the device re- ferring to "4.6.7 PID Dry Contact Connection...
  • Page 68 6 Troubleshooting and Maintenance User Manual Step 3 Open the maintenance door of the device with a Phillips screwdriver referring to "4.6.7 PID Dry Contact Connection (Optional)". Step 4 Remove cables of the faulty PID module. Step 5 Unscrew the four fixing screws up and down the PID holder, and then remove the faulty PID module.
  • Page 69 Step 9 Tighten the nut on the waterproof terminal. Step 10 Reinstall the maintenance door with the M4 screws with a tightening torque of 1.2N/m. Step 11 Adjust the limit rod and close the EMU200A cabinet door when the PID module works normally.

  • Page 70: Appendix A: Technical Parameters

    Appendix A: Technical Parameters Communication Max. number of devices RS485 interface MPLC Interface Fiber port 2*100 / 1000Mbps Ethernet port 4*10 / 100Mbps Fast dispatch port (ETH) 1*10 / 100Mbps PID & ISO Control Box Fiber Switch (optional) 2 Fiber ports and 6 Ethernet ports Fiber Splice Box (optional) 4-Input and 24-Output SFP Module (optional)

  • Page 71: Appendix B: General Information

    • The customer shall give SUNGROW a reasonable period to repair the faulty device. Exclusion of Liability In the following circumstances, SUNGROW has the right to refuse to honor the quality guarantee: • The free warranty period for the whole machine/components has expired.
  • Page 72 8 Appendix B: General Information User Manual • Serial number of the device • Fault code/name • Brief description of the problem For detailed contact information, please visit: https://en.sungrowpower.com/contactUS...
  • Page 73 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...

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