Sungrow EMU200A User Manual
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Sungrow EMU200A User Manual

Sungrow EMU200A User Manual

Energy management unit
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User Manual
Energy Management Unit
EMU200A
EMU200AEnergy Management
UnitUser ManualEMU200A-UEN-
Ver13-202305M-D-000136
EMU200A-UEN-Ver13-202305

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Summary of Contents for Sungrow EMU200A

  • Page 1 User Manual Energy Management Unit EMU200A EMU200AEnergy Management UnitUser ManualEMU200A-UEN- Ver13-202305M-D-000136 EMU200A-UEN-Ver13-202305...

  • Page 3: Table Of Contents

    Contents 1 About This Manual ...................1 1.1 Intended Use....................1 1.2 Target Group ....................1 1.3 How to Use This Manual .................1 1.4 Additional Information ..................1 1.5 Symbol Explanation ..................2 2 Safety Instructions ....................3 3 Product Description ..................5 3.1 Networking Scenarios ..................5 3.2 Main Features ....................6 3.3 Dimensions ....................7 4 Mechanical Mounting...
  • Page 4 5.5.6 DI/DO Port Connection ................34 5.5.7 PID Dry Contact Connection (Optional)..........36 5.6 Post-wiring processing..................39 6 Commissioning ....................40 6.1 Inspection Before Commissioning..............40 6.2 Commissioning Steps ...................40 6.2.1 Power-on Operation ................40 6.2.2 Logger Commissioning................40 6.2.3 PID Commissioning (Optional) .............41 7 Troubleshooting and Maintenance ..............47 7.1 Troubleshooting ...................47 7.2 PID Module Replacement (Optional) ..............47...

  • Page 5: About This Manual

    It is probably that there are changes in manuals for the subsequent module edition. If there any mismatch between the product and its manual, the actual product shall govern. Additional Information For more details about the equipment inside EMU200A, please scan the following QR code. Device Related documents...

  • Page 6: Symbol Explanation

    1 About This Manual User Manual Symbol Explanation This manual contains important safety and operational instructions that must be accurately understood and respected during the installation and maintenance of the device. To ensure the optimum use of this manual, note the following explanations of the symbols used.

  • Page 7: Safety Instructions

    • damage to the EMU200A or other properties belong to the operators or the third party Therefore, the following safety instructions must be read and always kept in mind prior to any work.
  • Page 8 EMU200A is voltage-free during installation. Maintenance and Replacement The maintenance of the EMU200A can only be performed by qualified personnel from SUNGROW or other qualified personnel. User can never maintain or replace the modules and other parts. Serious personal injury or property loss may follow if otherwise.

  • Page 9: 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 3-1 Ring networking When the ring networking is used, a maximum of 15 EMU200A can be connected to a ring network.

  • Page 10: Main Features

    3 Product Description User Manual figure 3-2 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 11: Dimensions

    User Manual 3 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 12: Mechanical Mounting

    OT terminal IO module (optional) ≤4 M4x25 bolt 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.

  • Page 13: Installation Tools

    User Manual 4 Mechanical Mounting Installation Tools Installation tools include but are not limited to the following recommended ones. If necessary, use other auxiliary tools on site. table 4-1 Tool specification Goggles Earplugs Dust mask Dust mask Insulated shoes Utility knife Marker Wrist strap Hammer drill (φ12)

  • Page 14: Location Requirements

    4 Mechanical Mounting User Manual 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. • Take anti-moisture and anti-corrosion measures.

  • Page 15: Bracket Mounting

    User Manual 4 Mechanical Mounting 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 16: 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 17: Installing Io Modules (Optional)

    User Manual 4 Mechanical Mounting 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. - - End Installing IO Modules (Optional) This operation is required if IO modules are ordered.
  • Page 18 4 Mechanical Mounting User Manual Example of communi- Binary address Decimal address cation address setting 0001 （1×2 =1） 0010 （1×2 +0×2 =2） 0011 （1×2 +1×2 =3） +1x2 +1x2 +1x2 1111 The dip switch addresses on each IO module must be different. step 3 Insert IO modules into the reserved area.
  • Page 19 User Manual 4 Mechanical Mounting - - End...

  • Page 20: Electrical Connection

    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 21 User Manual 5 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 22: 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 23: Preparation Before Connection

    User Manual 5 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. step 3 Disconnect the upstream input switch of the device, and turn the power switch inside the de- vice to the "OFF"...

  • Page 24: Connection Steps

    5 Electrical Connection User Manual step 4 Disconnect the switch of the transformer side. step 5 Remove the protective cover inside the cabinet. - - End Connection Steps 5.5.1 Grounding Safety Instructions The grounding cable must be grounded reliably! Otherwise, •...
  • Page 25 User Manual 5 Electrical Connection 5.5.1.1 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” at the bottom of the device.
  • Page 26 5 Electrical Connection User Manual Item Definition Remark M6x12 bolt Not included in the scope of delivery OT terminal Included in the scope of delivery Grounding hole step 3 Secure the cable with bolt with a fastening torque of 7.5±0.5N·m. step 4 Screw the waterproof terminal at the bottom of the device.

  • Page 27: Rs485 Communication Terminal Connection

    Grounding hole 5.5.2 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 28: Optical Fibre (Optional)

    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 5.5.4 Power Supply Connection...
  • Page 29 User Manual 5 Electrical Connection 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. 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.

  • Page 30: Plc Wiring

    5 Electrical Connection User Manual step 5 Screw the waterproof terminal "Input AC 100–277V". - - End 5.5.5 PLC Wiring This section gives an introduction to PLC wiring diagrams and rules for PLC wiring between different devices. 5.5.5.1 Application Scenarios Device can be connected to a double-split transformer and a double-winding transformer.
  • Page 31 User Manual 5 Electrical Connection figure 5-1 PLC wiring diagram for a double-winding transformer figure 5-2 PLC wiring diagram for a double-split transformer Description of parameters in the diagrams is listed in the table below.
  • Page 32 5 Electrical Connection User Manual Description Cable Specification rame- Remarks • Use outdoor UV-resist- ant multi-core copper AC cable with a core Length of PLC diameter of ≥2.5mm². cable from • Cable isolation voltage communication >1000V. box to box-type • Suggested length transformer...
  • Page 33 User Manual 5 Electrical Connection with requirements for PLC wiring under the same box-type transformer, as well as those for PLC wiring under different box-type transformers. • Requirements for PLC wiring under the same box-type transformer Only AC cables under the same box-type transformer can be laid in the cable trench. Diagram of PLC wiring under the same box-type transformer is shown below.
  • Page 34 5 Electrical Connection User Manual figure 5-6 Horizontal spacing between PLC cables (in parallel) – In the case of two cables laid crosswise, the angle formed should fall in the range of 60°-120° and the vertical spacing between them should be >1m. figure 5-7 Vertical spacing between PLC cables (crosswise) •...
  • Page 35 User Manual 5 Electrical Connection figure 5-9 Horizontal spacing between PLC cables (in parallel) – In the case of two cables laid crosswise, the angle formed should fall in the range of 60°-120° and the vertical spacing between them should be >1m. figure 5-10 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.
  • Page 36 5 Electrical Connection User Manual Parallel-pair cable laying rules for SG320HX inverter Please refer to this paragraph for the parallel-pair cable scenario based on your actual needs. It is not applicable in areas such as North America. A parallel-pair AC cable can be used, instead of a single cable, when installing the SG320HX inverter on the site.
  • Page 37 User Manual 5 Electrical Connection 5.5.5.3 PLC Wiring Pre-wiring preparation • Before performing AC wiring, please ensure that upstream AC switches and circuit breakers inside the device are all disconnected. • Please refer to "5.5.5.1 Application Scenarios" for PLC application scenarios and cable specifications.

  • Page 38: 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 39 User Manual 5 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 40: Pid Dry Contact Connection (Optional)

    5 Electrical Connection User Manual 5.5.7 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 41 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 42 5 Electrical Connection User Manual step 4 Install the cord-end terminal and press them with crimping pliers. step 5 Unplug the terminals from the COM, NC, and NO interfaces on the PID module. step 6 (Take NC contact as an example) Crimp the wiring terminals with a tightening torque of 0.2N. step 7 Connect the crimped terminals to the NC and COM terminals of the PID module.

  • Page 43: Post-Wiring Processing

    5 Electrical Connection 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 Post-wiring processing Gently pull the cable backwards to ensure firm connection when finish wiring.

  • Page 44: Commissioning

    6.2.2 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 45: Pid Commissioning (Optional)

    In other regions, set the site to "International Server". Access the Web interface of Logger3000 and check whether the running data of string inverters manufactured by SUNGROW is normal. Create power plants through iSolarCloud App, and check whether the data dis- played on iSolarCloud is normal.
  • Page 46 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 system time of the current device to obtain the dynamic password. - - End 6.2.3.3 Commissioning Steps...
  • Page 47 User Manual 6 Commissioning Parameter Description Beginning Address Enter the beginning address according to the parameters of DIP switch of the PID device, usually set as 250 or 251. Quantity of Device Set as the number of PID devices actually connected. Click Save.
  • Page 48 6 Commissioning User Manual Description Parameter – The duration of ISO detection, in the event of PID re- covery and ISO detection working in turn. ISO Detection Time – ISO detection time can only be integer values. (Night) (min) – When the ISO detection (night) is enabled, the PID re- covery is disabled.
  • Page 49 User Manual 6 Commissioning Description Parameter – Duration needed to trigger the AC insulation protec- tion alarm of the PID module. – The protection time can only be integer values. AC Insulation Protec- tion Time (s) – If the detection value < protection threshold for a peri- od longer than the insulation protection time, the PID module will report the fault code and the protection will be triggered.
  • Page 50 6 Commissioning User Manual Description Parameter Set the port number to which the associated inverter is connected according to actual conditions. Port of Associated Inverter shutdown or restart command is exe- Inverter cuted via this port in the event of the PID mod- ule detecting any abnormality.

  • Page 51: Troubleshooting And Maintenance

    D8 flickers green. If not, MPLC are abnormal. the modules are abnormal. If the fault persists, please contact 5. Other causes SUNGROW. 1. There are repeated 1. Check whether there are device addresses in repeated device addresses. According to the the PV array.
  • Page 52 FU1 (800Vac), and then disconnect Q1(220Vac). Steps step 1 Open the EMU200A cabinet door referring to "5.4 Preparation Before Connection". step 2 Loosen the nut of the "INPUT-OUTPUT" waterproof terminal at the bottom of the device referring to "5.5.7 PID Dry Contact Connection...
  • Page 53 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 54: 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 ST Single mode SFP Module (optional)

  • Page 55: 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 56 9 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 57 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...

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