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PLC CCO01A
User Manual

6 Maintenance and Troubleshooting

Issue 02 (2016-01-10)

Huawei Proprietary and Confidential



Before replacing the PLC CCO, power off the PLC CCO.



Before replacing the PLC CCO, confirm the PLC CCO installation mode and prepare
required tools.



When replacing the PLC CCO, observe ESD precautions.

Содержание PLC CCO01A

Страница 1: ...Part Number 31010VJY PLC CCO01A User Manual Issue 02 Date 2016 01 10 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...e customer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject...

Страница 3: ...ed Audience This document is intended for photovoltaic PV power station personnel and qualified electrical technicians Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Indicates a potentially hazardous situation which if not avoided coul...

Страница 4: ...ed to personal injury equipment damage or environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all the changes made in earlier issues Issue 02 2016 01 10 This issue adds content about the installation and electrical connections for the PLC CCO used in a SUN2000 communication box Issue 01 2015 08 15 This issue is the first offici...

Страница 5: ...hird Party Device Scenario 14 4 Electrical Connections 17 4 1 Port Description 17 4 2 Connecting Cables SUN2000 Communication Box Scenario 18 4 2 1 Connecting the AC Power Cable 20 4 2 2 Connecting the RS485 Communications Cable 21 4 2 3 Connecting the Power Adapter Cable 23 4 3 Connecting Cables Third Party Device Scenario 24 4 3 1 Connecting the AC Power Cable 25 4 3 2 Connecting the RS485 Commu...

Страница 6: ...anual Contents Issue 02 2016 01 10 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd v 6 3 Parts Replacement 34 7 PLC CCO Disposal 36 8 Technical Specifications 37 A Acronyms and Abbreviations 38 ...

Страница 7: ...nt product information Installation Read this document before installation Huawei shall not be liable for any consequence caused by violation of the regulations specified in this document Before installation and cable connections of the PLC CCO ensure that the PLC CCO is not connected to a power supply and is not powered on Before connecting cables ensure that the switch to be connected to the PLC...

Страница 8: ...cuments Follow local laws and regulations when operating the device Maintenance and Replacement A faulty PLC CCO requires overall maintenance If the PLC CCO is faulty contact the supplier or Huawei technical support Maintain the PLC CCO with sufficient knowledge of this document and proper tools and testing equipment When maintaining the PLC CCO observe ESD precautions Before replacing the PLC CCO...

Страница 9: ...1 PLC CCO exterior 1 ESN label 2 Product label 3 Qualification certificate 4 Air exhaust vents 5 Ports and indicators Functions The PLC CCO can connect to SUN2000 inverters that support power line communication PLC functions to transmit data over the power line The PLC CCO can connect to the data collector using an RS485 communications cable to transmit data and convert between PLC and RS485 commu...

Страница 10: ...TA converts the RS485 communications data received from the inverter monitoring board and sends the converted data to the AC power cable In addition it converts the data received from the AC power cable and sends the converted data to the inverter monitoring board As the master unit of the PLC the CCO is installed in a SUN2000 communication box or box type transformer as a standalone device The CC...

Страница 11: ...ue 02 2016 01 10 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 5 Figure 2 2 PLC networking applied to typical medium voltage grid tied scenarios Figure 2 3 shows the location of the PLC CCO in a PV array network ...

Страница 12: ...verview Issue 02 2016 01 10 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 6 Figure 2 3 Location of the PLC CCO in a PV array network 2 3 Working Principles Figure 2 4 shows the PLC CCO circuit diagram ...

Страница 13: ...g board safety In addition the PLC CCO provides the high frequency circuit for injecting and extracting PLC signals Filters and processes PLC signals over the receive link The signals are extracted from the AC power cable Amplifies the power of PLC signals and injects the PLC signals into the AC power cable over the transmit link Converts between PLC and RS485 signals through the PLC controller Pr...

Страница 14: ...oles and cracks before unpacking the PLC CCO If any damage is found do not unpack the PLC CCO and contact the supplier or Huawei technical support promptly Checking the Product and Accessories After unpacking the PLC CCO check whether the product and accessories are intact and complete If any item is missing or damaged contact the supplier or Huawei technical support Table 3 1 shows the product an...

Страница 15: ...ion AC power cable 1 PCS The AC power cable is 1 25 m long RS485 communications cable 1 PCS The RS485 communications cable is 0 8 m long Power adapter cable 1 PCS The power adapter cable is 1 5 m long M4x8 screw assembly 8 PCS Used for device mechanical installation Manual 1 PCS Provides guidance for installing and using the PLC CCO 3 2 Preparing Tools Before installing the PLC CCO prepare tools r...

Страница 16: ...ction Torque screwdriver Phillips head M4 Installs and removes PLC CCO screws Flat head screwdriver Head width 3 mm to 3 5 mm Pole length excluding the handle at least 100 mm Tightens or loosens screws when installing cables Diagonal pliers N A Cuts cable ties Cable tie N A Binds cables Wire stripper N A Peels cable jackets Utility knife N A Removes packages ...

Страница 17: ...e needs to be used ensure that the PLC CCO is no more than 1 15 m away from the port to be connected to the AC power cable The RS485 communications cable is 0 8 m long If the RS485 communications cable needs to be used ensure that the PLC CCO is no more than 0 7 m away from the port to be connected to the RS485 communications cable The power adapter cable is 1 5 m long When installing the PLC CCO ...

Страница 18: ...must be fireproof Do not install the PLC CCO on flammable building materials Ensure that the surface on which the PLC CCO is to be installed is strong enough Installation Dimensions Figure 3 1 shows the PLC CCO installation dimensions Figure 3 1 Installation dimensions unit mm 1 Guide rail mounting hole 2 Ear mounting hole Installation Space Requirements Reserve clearance around the PLC CCO to ens...

Страница 19: ...cenario Prerequisites The holes planned for installing the PLC CCO meet the installation position requirements This installation mode applies when the PLC needs to be installed inside a Huawei SUN2000 communication box Context Installing the PLC CCO in a SUN2000 communication box is used as an example to illustrate the ear mounting installation method Procedure Step 1 Use four M4x8 screw assemblie...

Страница 20: ...or installing the PLC CCO meet the installation position requirements Installation using guide rails applies when the PLC CCO needs to be installed in a third party box type transformer If this installation mode is selected the PLC CCO installation space and securing method need to be planned Guide rails are not delivered with the PLC CCO If users want to mount the PLC CCO along guide rails they s...

Страница 21: ... Copyright Huawei Technologies Co Ltd 15 Figure 3 4 Guide rail dimensions unit mm Procedure Step 1 Use two M4x8 screw assemblies to secure the PLC CCO to support 1 to a torque of 1 2 N m as shown in Figure 3 5 Figure 3 5 Securing the PLC CCO Step 2 Snap support 1 in the guide rail as shown in Figure 3 6 ...

Страница 22: ... 01 10 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 16 Figure 3 6 Clipping support 1 Step 3 Use two M4x8 screw assemblies to secure support 2 to support 1 to a torque of 1 2 N m as shown in Figure 3 7 Figure 3 7 Securing support 2 End ...

Страница 23: ...les according to local cable specifications 4 1 Port Description Figure 4 1 shows the PLC CCO ports and Table 4 1 describes them Figure 4 1 PLC CCO ports Table 4 1 Port description No Port Name Silk Screen Description 1 AC power cable port 1 AC1 Connects phase A input and phase B input 2 AC power cable port 2 AC2 Connects phase C input 3 FE communications port ETH Protected by a security mechanism...

Страница 24: ...t PWR Power input connector 4 2 Connecting Cables SUN2000 Communication Box Scenario Figure 4 2 shows the cable connections for the PLC CCO used in a SUN2000 communication box Figure 4 2 Cable connections for the PLC CCO used in a SUN2000 communication box The PID module and inductor are configured only in the SUN2000 communication box with the PID module and are preinstalled before delivery ...

Страница 25: ...y the customer Recommended cable three core multi wire operating voltage to the ground 600 V operating voltage between cables 1000 V cross sectional area of a single core 4 mm2 Table 4 2 describes the components to be configured in a SUN2000 communication box scenario Table 4 2 Components to be configured in a SUN2000 communication box scenario Component Model or Specifications Quantity PLC CCO PL...

Страница 26: ...he AC power cable ensure that the upstream switch of the PLC CCO AC power cable is turned off The AC power cable is available The cable can be PLC CCO AC power cable delivered with the communication box The cable number is 04092564 01a or XXXXXXXX 12b a The corresponding communication box models are PDU8000 0010ACV5 CCA005 and PDU8000 0010ACV5 CCA007 b The corresponding communication box models ar...

Страница 27: ...rely connected Figure 4 4 Connecting the AC power cable End 4 2 2 Connecting the RS485 Communications Cable Prerequisites The RS485 communications cable delivered with the communication box is available The cable number is 04092564 02a or XXXXXXXX 13b a The corresponding communication box models are PDU8000 0010ACV5 CCA005 and PDU8000 0010ACV5 CCA007 b The corresponding communication box models ar...

Страница 28: ...OM port on the SmartLogger1000 through the A4 wiring terminal 5 RS485 RS485 differential signal Connects to the COM port on the SmartLogger1000 through the B4 wiring terminal 6 Reserved N A 7 Reserved N A 8 PGND N A Procedure Step 1 Connect the RS485 communications cable to the PLC CCO as shown in Figure 4 6 The PLC CCO supports only the Modbus RTU protocol Connect the RS485 communications cable t...

Страница 29: ...nnecting the power adapter cable ensure that the upstream switch of the PLC CCO power port is turned off The power adapter cable delivered with the PLC CCO is available The power adapter cable is 1 5 m long When installing the PLC CCO ensure that the PLC CCO is no more than 1 4 m away from the AC power port Procedure Step 1 Connect the PLC CCO power adapter cable as shown in Figure 4 7 Ensure that...

Страница 30: ...tial Copyright Huawei Technologies Co Ltd 24 Figure 4 7 Connecting the power adapter cable End 4 3 Connecting Cables Third Party Device Scenario Figure 4 8 shows the cable connections for the PLC CCO used in a third party device Figure 4 8 Connecting cables to the PLC CCO used in a third party device ...

Страница 31: ...ty device scenario Table 4 4 Components to be configured in a third party device scenario Component Model or Specifications Quantity PLC CCO PLC CCO01A 1 PCS Data collector SmartLogger1000 1 PCS Knife switch Fuse Rated voltage 600 V rated current 6 A 3 PCS Knife switch box Rated voltage 600 V rated current 6 A number of phases three 1 PCS Socket Matches the power adapter 2 PCS MCB Rated voltage 48...

Страница 32: ...it breaker be reserved for the busbar to connect a cable to the PLC CCO If such a circuit breaker is not reserved connect the PLC CCO AC power cable from the circuit breaker output end in the middle of the busbar Figure 4 9 Connecting the AC power cable 1 Busbar A B C 2 Fuse 3 Knife switch box 4 MCB End 4 3 2 Connecting the RS485 Communications Cable Prerequisites The RS485 communications cable de...

Страница 33: ...work cable with a diameter less than 9 mm internal resistance no greater than 1 5 ohms 10 m and a shielded RJ45 connector be used The cable terminal block delivered with the SmartLogger1000 is available Context Figure 4 10 shows the connector when the surface without the fastener faces upwards Table 4 5 defines the cable sequence numbers and pins Figure 4 10 Connector Table 4 5 Pin definitions No ...

Страница 34: ...hite contact plate of the corresponding wiring terminal to flip the metal spring inside the wiring terminal 2 Insert the cord end terminal into the wiring terminal 3 Release the white contact plate to fasten the cable Figure 4 11 Cable connection for the terminal block Step 2 Connect the RS485 communications cable to the PLC CCO as shown in Figure 4 12 The PLC CCO supports only the Modbus RTU prot...

Страница 35: ...am switch of the PLC CCO power port is turned off The power adapter cable delivered with the PLC CCO is available The power adapter cable is 1 5 m long When installing the PLC CCO ensure that the PLC CCO is no more than 1 4 m away from the AC power port Procedure Step 1 Connect the PLC CCO power adapter cable as shown in Figure 4 13 Ensure that the PLC CCO power adapter cable is securely and relia...

Страница 36: ...Position and Meaning Figure 5 1 shows the position of indicators and Table 5 1 describes the indicators Figure 5 1 Indicator position Table 5 1 Meaning No Indicator Status Meaning 1 RUN Off The power supply is disconnected Steady green The PLC CCO is running properly 2 LINK Off No data is transmitted Steady green or blinking The PLC CCO is receiving or transmitting data ...

Страница 37: ...is connected Compliant Incompliant 6 The upstream switches of the PLC CCO power port and PLC CCO AC power cable are off Compliant Incompliant 7 Routing for the AC power cable and signal cable meets the requirements for routing strong current and weak current cables and complies with the cable routing plan Compliant Incompliant 8 Cables are bound neatly and cable ties are secured evenly and properl...

Страница 38: ... and 115200 bit s If the PLC networking is used you are advised to set Baud rate to 115200 for the RS485 port of the SmartLogger1000 to achieve better communication performance If the software version is earlier than SUN2000 V100R001C72SPC003 the PLC CCO does not support auto negotiation of baud rates 9600 bit s and 115200 bit s When the PLC networking is used set Baud rate to 115200 for the RS485...

Страница 39: ...f the PLC CCO When maintaining the PLC CCO observe ESD precautions Ensure that the PLC CCO is free from strong electromagnetic interference Ensure that the PLC CCO is away from heat sources Ensure that the PLC CCO air exhaust vents are free from blockage Periodically clean up the dirt and dust on the PLC CCO Periodically check that the PLC CCO cables are securely and reliably connected 6 2 Trouble...

Страница 40: ...s disconnected loose or reversely connected The RS485 communications parameter values are incorrect Correctly set RS485 communications parameters and ensure that the baud rate and the communication address are correctly set 3 The device status on the SmartLogger1000 is displayed as disconnected The RS485 communications cable between the PLC CCO and the SmartLogger1000 is loose or disconnected Chec...

Страница 41: ... 10 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 35 Before replacing the PLC CCO power off the PLC CCO Before replacing the PLC CCO confirm the PLC CCO installation mode and prepare required tools When replacing the PLC CCO observe ESD precautions ...

Страница 42: ...e 02 2016 01 10 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 36 7 PLC CCO Disposal If the PLC CCO service life has expired dispose of the PLC CCO in accordance with local rules for disposal of electrical equipment waste ...

Страница 43: ...imum 4 W Input cable voltage of the AC port 380 V AC to 480 V AC Dimensions H x W x D 100 mm x 169 mm x 39 mm Weight 550 g Operating temperature 25º C to 70º C Relative humidity non condensing 5 to 95 Altitude 0 m to 4000 m Protection level IP20 Installation mode Installed using mounting ears or a guide rail Number of indicators 2 PCS Maximum number of PLC STAs that can be connected 80 PCS Maximum...

Страница 44: ...ht Huawei Technologies Co Ltd 38 A Acronyms and Abbreviations A AC alternating current C CCO central controller D DC direct current E EMC electromagnetic compatibility ESD electrostatic discharge ESN equipment serial number M MCB miniature circuit breaker P PLC power line communication PV photovoltaic S STA station ...

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