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Sungrow COM100A User Manual

Communication box
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User Manual
Communication Box
COM100A
ManualCOM100A-UEN-Ver62-
202305M-H-002269
COM100A-UEN-Ver62-202305

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Summary of Contents for Sungrow COM100A

  • Page 1 User Manual Communication Box COM100A COM100ACommunication BoxUser ManualCOM100A-UEN-Ver62- 202305M-H-002269 COM100A-UEN-Ver62-202305...

  • 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 Symbol Explanation ..................1 2 Product Description ..................3 2.1 Function Description ..................3 2.2 Main Features ....................3 2.3 Dimensions ....................4 3 Mechanical Mounting ..................5 3.1 Inspection before Installation ................5 3.2 Location Requirements ...................5...
  • Page 4 5 Commissioning ....................30 5.1 Inspection before Commissioning ..............30 5.2 Commissioning Steps ...................30 6 Troubleshooting ....................32 7 Appendix A: Technical Parameters ..............33 8 Appendix B: General Information ..............34 8.1 Quality Assurance ..................34 8.2 Contact Information ..................34...

  • Page 5: About This Manual

    All rights reserved including the pictures, symbols, and markings used in this manual. Any disclosure, even partially, of the contents of this manual is strictly prohibited without prior written authorization of SUNGROW. The content of the manual will be periodically updated or revised as per the product develop- ment.
  • Page 6 1 About This Manual User Manual WARNING indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury CAUTION indicates a hazard with a low level of risk which, if not avoided, could re- sult in minor or moderate injury.

  • Page 7: Product Description

    • Seamless connection to iSolarCloud, easy management of PV devices • Built-in PLC communication, communication and management of string inverters devel- oped by SUNGROW without cable routing Safe and reliable • Equipped with SPD protection, steady and reliable operation •...

  • Page 8: Dimensions

    2 Product Description User Manual Dimensions...

  • Page 9: Mechanical Mounting

    Therefore, inspect the device before installation. If there any damage, contact the forwarding company or SUNGROW. Location Requirements • With the ingress of protection IP65, COM100A can be installed outdoors. • Ambient temperature: -30℃ to +60℃， and ambient humidity: 5%– 95%。 Excessive moisture can damage internal components.

  • Page 10: Installation Method

    3 Mechanical Mounting User Manual • 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! The installation dimensions of mounting ears on the back of the device are shown in the fol- lowing figure.

  • Page 11: Wall Mounting

    User Manual 3 Mechanical Mounting step 3 Check to ensure the device is firmly in place. - - End 3.3.2 Wall Mounting step 1 Mark the hole locations on the installation wall according to the foregoing installation dimensions. step 2 Drill holes on the marked locations. step 3 Place the M10x80 expansion sleeve(not included in the scope of delivery) into the hole, and tap it with a rubber hammer.

  • Page 12: Ground Mounting

    3 Mechanical Mounting User Manual The length of the expansion solenoid should be selected reasonably in accord- ance with the drilling depth. step 4 Fasten the device on the wall in the order of nut, lock washer, flat washer, mounting ear, and expansion sleeve with a fastening torque of 37±3N.m.

  • Page 13: Set Communication Address(Optional)

    User Manual 3 Mechanical Mounting step 3 Secure the installation holes in bottom of the device to the foundation with a fastening torque of 37±3N.m. - - End Set Communication Address(optional) Take out the IO module, find the dip switch on the back, and set the communication address through the dip switch.

  • Page 14: Installing Io Modules (Optional)

    3 Mechanical Mounting User Manual Example of communi- Binary address Decimal address cation address setting 0011 （1×2 +1×2 =3） +1x2 +1x2 +1x2 1111 The dip switch addresses on each IO module must be different. Installing IO Modules (Optional) This operation is required if IO modules are ordered. step 1 Remove the IO modules and M4 screw assembly from the IO module deliverables.
  • Page 15 User Manual 3 Mechanical Mounting - - End...

  • Page 16: Electrical Connection

    Waterproof terminal for PLC communication PLC Input AC400V/480V/540V/800V cables Waterproof terminal for AC 100–277V power Input AC100–277V cables Optical fiber ports Waterproof terminals for optical fibers Grounding waterproof terminal Internal Structure The internal structure of COM100A is shown in the following figure.

  • Page 17: Preparation Before Connection

    User Manual 4 Electrical Connection Internal components may differ as per selected product module. For details, refer to the product received. Recommended Cable Description Source Specification Splice box — — 2 x (0.75~1.5) mm outdoor ultra- Beyond the scope RS485 communica- violet protection STP of delivery tion terminal...
  • Page 18 4 Electrical Connection User Manual step 2 Unclip the top and bottom clips of the cabinet. step 3 Remove the protective cover inside the cabinet. step 4 Disconnect the upstream input switch of the device, and turn the power switch inside the de- vice to the "OFF"...

  • Page 19: Connection Steps

    User Manual 4 Electrical Connection Connection Steps 4.4.1 Grounding Safety Instructions The grounding cable must be grounded reliably! Otherwise, • Lethal electrical shock can be caused when fault occurs! • The device may be damaged by lightening! Brief Introduction The device is designed with two grounding terminals: grounding copper bar inside the cabi- net and external PE point.
  • Page 20 4 Electrical Connection User Manual Wiring Steps step 1 Unscrew the waterproof terminal “ ” at the bottom of the device. 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 “ ”.

  • Page 21: Rs485 Communication Terminal Connection

    Grounding hole 4.4.2 RS485 Communication Terminal Connection Preparation Before Connection When the COM100A 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 22: 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...

  • Page 23: 100Ac-277Vac Power Supply Connection

    User Manual 4 Electrical Connection 4.4.4 100ac–277Vac Power Supply Connection Preparation before Installation • Before wiring power supply, ensure that the micro circuit breaker is in the OFF position. • Prepare the AC cable. Installation Steps step 1 Unscrew the waterproof terminal "Input AC 100–277", and lead the external power supply cable through the terminal.

  • Page 24: Plc Wiring

    4 Electrical Connection User Manual step 5 Screw the waterproof terminal “Input AC 100–277”. - - End 4.4.5 PLC Wiring This section gives an introduction to PLC wiring diagrams and rules for PLC wiring between different devices. 4.4.5.1 Application Scenarios PLC is applied mainly to the double-winding transformer and the double-split transformer.
  • Page 25 User Manual 4 Electrical Connection figure 4-1 PLC wiring diagram for a double-winding transformer...
  • Page 26 4 Electrical Connection User Manual figure 4-2 PLC wiring diagram for a double-split transformer Description of parameters in the diagrams is listed in the table below. 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.
  • Page 27 User Manual 4 Electrical Connection Description Cable Specification rame- Remarks • Length ≤990m, if a multi-core AC cable is used. Length of PLC • Length ≤790m, if a sin- cable from box- gle-core AC cable is used. The cable should type transform- be fastened every 1 er to inverter...
  • Page 28 4 Electrical Connection User Manual figure 4-3 Diagram of PLC wiring under the same box-type transformer Cables can be laid in the cable trench in parallel, which however should not get en- tangled or knotted. There is no requirement for spacing between AC cables in the same trench.
  • Page 29 User Manual 4 Electrical Connection figure 4-6 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 4-7 Vertical spacing between PLC cables (crosswise) •...
  • Page 30 4 Electrical Connection User Manual figure 4-9 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 4-10 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 31 User Manual 4 Electrical Connection 4.4.5.3 PLC Wring 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 "4.4.5.1 Application Scenarios" for PLC application scenarios and cable specifications.

  • Page 32: Di/Do Port Connection

    4 Electrical Connection User Manual figure 4-11 Three-phase three-wire system The coupling point for connecting the PLC cable to the box-type transformer busbar is recommended to be arranged in the position corresponding to the middle of the busbar. • Parameters of the circuit breaker on the box-type transformer side should be determined based on the short circuit current of the transformer.

  • Page 33: Post-Wiring Processing

    Restore the protective cover inside the cabinet. Communication Methods The COM100A can collect the operating data of the inverter, transformer and other equip- ment in the system and upload it to the remote monitoring system. Via the remote monitoring system, users can access the WEB interface to view operation in-...

  • Page 34: Commissioning

    Description Item Connect PC to the Ethernet port of the switch inside COM100A by using a net- work cable. IP of the Ethernet port is 13.13.13.13 by default. Set IP of the PC, which should be in the same network segment as that of the ETH2 port of the Logger3000.
  • Page 35 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 36: Troubleshooting

    D8 flickers green. If not, PLC 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 re- device addresses in peated device addresses. the PV array.

  • Page 37: Appendix A: Technical Parameters

    Appendix A: Technical Parameters Configuration Logger Logger3000 Fibre channel switch 2 optical ports, 6 electrical ports (Optional) Splice box (Optional) 4-input, 24-ouput, ST single-mode Power supply 100–277 Vac, 50/60 Hz PLC port input voltage 400Vac/480Vac/540Vac/800Vac PLC power supply voltage Master node of PLC module: 24 Vdc •...

  • Page 38: 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 39 User Manual 8 Appendix B: General Information • 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 40 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...

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