SWR - COM
Contents
1. SMA Regelsysteme GmbH2. for the effective data transmission to and from the Sunny Boy inverters Beside the fact that transmission in the most cases can be established over very long distances 150 m and more and over several phases we recommend to stick to the following rules SWRCOM 11 EE E 7 SMA Regelsysteme GmbH SWR COM User Manual e connect the Sunny Boy Inverters and the SWR COM to the same phase if this is absolutely not possible a phase coupler must most likely be installed see chap 3 e keep the transmission line as short as possible e make sure that there are as few as possible best none at all disturbing electric devices in your grid These can be neon tube lamps some microwave ovens and sometimes large electric motors or similar e avoid the parallel usage of other devices that use the electricity grid for their transmission such as Babyphone or Interphone devices If you stick to most of the above given rules there should normally be no problem for the Powerline Communication if there are problems with the data transmission and the detection of the Sunny Boy Inverters see chap 3 Troubleshooting 2 3 Installing the SWR COM The installation of the SWR COM is done in two steps First the installation of the SWR COM Powerline modem to the grid and the PC second the installation of Sunny Data the detection of the according Sunny Boy inverters and the configura tion according to your specific requirements For the S
3. techie des dade cute 1 3 What is Powerline Communication 2 Establishing a Powerline Communication 2 1 System Requirement 2 cccseeceeeeeeeeeees 2 2 What connection to the grid is suitable 2 3 Installing the SWR COM c eseeeeeeeeeeeees 3 Trouble Shooting ccccceeeeeeseseceeeeeeeeeeeeeeeeeeeees 3 1 How to identify the interference source 3 1 1 Strong Signal Damping ee 3 1 2 Phase Couplings caienaieanmweeies 3 1 3 Interference signals on the mains 3 1 4 Parallel Powerline Communication 4 Warrantee Regulations and Liability 5 Technical data 0 ccccecceeececcecececeeeceseceeeneeeeeeaees SWRCOM 11 EE az 4 User Manual doetinietdes teenies ETT 6 PE settee WBA Laas cents ise 7 SMA Regelsysteme GmbH SWR COM User Manual 1 Information about the SWR COM and Powerline 1 1 Safety Information Opening the Powerline Modem SWR COM is limited to qualified person nel A Repairs of the SWR COM must be done by the manufacturer Disconnection of the SWR COM from the supply voltage is done by pull ing the SWR COM out of the socket It is therefore necessary to always have access to the socket in order to be able to disconnect the device whenever necessary 1 2 Introduction The transmission link between the Sunny Boy String inverters and the SWR COM is established
4. unshielded transformers but they can also result from devices outside of the household distribution e g high power machines in the neighborhood SWRCOM 11 EE 1 3 SMA Regelsysteme GmbH SWR COM User Manual Countermeasures for internal and external interference e Remove the disturbing device if possible e Isolate the disturbing device by either connecting the device to another phase or e Install a block filter 1 This block filter disconnects the part of the houses electric distribution used for the Powerline data transmission from the section of the of the mains with the interfering devices The effect of the blocking filter can be rein forced by the installation of an active damping module on the side of interference before the block filter which is active in the carrier frequency band 2 DEUE Ly MODE E damping module D 7 a FA z carrier frequency Ss filter f KZ S AN See Cc PC for data acquisition and diagnosis House distribution Fig 2 3 Powerline communication in case of strong interference 3 1 4 Parallel Powerline Communication It can be a problem when other devices use the electricity supply for communication as well as the SWR COM The situation is similar to devices emitting interfering sig nals only the strict disconnection of the transmission lines can help in these cases But in contrary to the method described in the previous chapter the damping of the distur
5. with Powerline Communication This transmission is a simple and rea sonable way to transmit data over the mains connection without separate data ca bles The Sunny Boy String inverters collect data concerning their operation and transmit this data to a central unit for further evaluation and storage As mentioned above the Powerline Communication normally is a very simple way to transmit data chapter 1 and 2 describe the function and the installation of the SWR COM The chapter 3 covers the different disturoances and interferences that can but normally do not occur with this kind of transmission You will see that chapter 3 is very long but this only in order to cover all possible disturbances and the according countermeasures SWRCOM 11 EE 7 5 SMA Regelsysteme GmbH SWR COM User Manual 1 3 What is Powerline Communication Powerline Communication is a data transmission mode where the data is sent over the normal mains connection This so called mains connection supplies all electric devices in the electricity distribution with 230 V 50 Hz The data from the Sunny Boy inverters is sent over the same wire with a carrier frequency of 132 45kHz Connection to Mains e g Wall Socket Sunny Boy Sunny Boy Sunny Boy Cl mains e g 230 V 50 Hz SWR COM PC Fig 1 1 Example for Standard Powerline Communication With Sunny Data running the PC collects all a
6. SWR COM User Manual Version 1 0 Plug In Modem for Powerline Communication with Sunny Boy String Inverters SWRCOM 11 EE3798 SWR COM User Manual Alteration Review Document Version Comments Number and Alteration SWRCOM Review pi A Alterations due to mistakes and errors in previous documents or improvement of the documentation B Alterations maintaining full or upward compatibility C Alterations limiting or excluding compatibility SWRCOM 11 EE az 2 SMA Regelsysteme GmbH SWR COM User Manual Explanation of Symbols used in this Document To enable optimal usage of this manual and safe operation of the device during in stallation operation and maintenance routines please note the following description of symbols rT This indicates a feature that is important either for optimal and comfort able usage or optimal operation of the system Example Useful C routines for this purpose are on the support disk This indicates a fact or feature very important for the safety of the user and or can cause a serious hardware defect if not appropriately applied gt Example Disconnect the mains plug before opening the case This indicates an example ii yyw SWRCOM 11 EE 3 SMA Regelsysteme GmbH SWR COM Content 1 Information about the SWR COM and Powerline 1 1 Safety Information ccccceeeeeeeeeeeeeeeeeeees 1 2 APMPOGUCUOIN ese tecs Seca datedcedatenden
7. bing signal does not help here After all both communication systems have to operate parallel At least one of the used systems should therefore be restricted to SWRCOM 11 EE 1 4 SMA Regelsysteme GmbH SWR COM User Manual the utilization of one phase Then this part of electrical installation can be equipped with a block filter which makes sure that neither high frequent alien signals get in nor that the own carrier signals are able to leave this part of electrical installation Countermeasures for parallel Powerline communication e Incase of a strong coupling such a restriction of the transmission link and the utili zation of a block filter can be necessary for each of the used communication sys tems 1 e An improvement can be achieved with damping modules which extend the effect of the blocking filter by damping high frequency signals selectively 2 Such a damping module may exclusively be installed in that part of the electrical installa tion where all transmission signals are not needed data acquisition and diagnosis F 5 IO EA Fig 2 4 Powerline Communication with other devices House distribution SWRCOM 11 EE 1 5 SMA Regelsysteme GmbH SWR COM User Manual Advice All additional components carrier current line trap phase coupler filter damping module are standard electric equipment and can be purchased from the local elec trician supply or from SMA The devices are
8. g of equal quality The customer has to grant SMA the necessary time and opportunity to repair the defects SWRCOM 11 EE S 1 7 s SMA Regelsysteme GmbH SWR COM User Manual Exclusion of Liability Excluded are any guaranty claims and liabilities for direct or consequential damages due to shipping damages faulty installation or putting into operation engagements alterations or repairing attempts inappropriate use or operation insufficient air supply to the device non observance of relevant safety regulations VDE etc or force majeure lightning overvoltage storm fire Caution We cannot guarantee the proper function of the data transmission via mains lead power line modem in case it is carried out in electrical grids with high harmonic distortion resp high frequency line distortions like e g industrial power supply grids or in the neighborhood of irregular consumers unshielded motors switching power supplies converters etc Furthermore the simultaneous operation of babyphones may lead to short time data transmission disturbances or interrup tions In case of disturbed data transmission via mains lead we offer alternatively a communication via separate data line as option RS232 or RS485 see Technical description Sunny Boy We reserve the right to make alterations serving for the improvement of the device Further or other claims for direct or indirect damages especial
9. installed in the house distribution while the installation must be done by qualified personnel SWRCOM 11 EE 1 6 R SMA Regelsysteme GmbH SWR COM User Manual 4 Warrantee Regulations and Liability You have purchased a product which was thoroughly checked before delivering If your device should be defective or show a malfunction during the guaranty period in spite of this please contact your distributor or installer Warranty The warranty period is 12 months from the date of purchasing the device by the end user It ends at the latest 18 months after the delivery date at SMA and includes all defects caused by material or manufacturing faults The guaranty period for warranty repairs or compensation deliveries ends 6 months after delivery but runs at least until the expiration of the original guaranty period for the delivered item Evidence SMA will only render warranty services if the objected device is sent back to SMA together with a copy of the account the distributor has made out to the consumer The type plate at the device must be readable completely In case of nonfulfilment SMA reserves the right to refuse guaranty services Conditions The device will be repaired after the choice of SMA in its works without invoice of material and work or a replacement resp compensation device will be delivered The objected device is to be sent back to SMA without charges in the original pack ing or in a transport packin
10. ly including claims for damages from positive contract violation are excluded insofar as not otherwise compelling stated by law SWRCOM 11 EE 1 8 SMA Regelsysteme GmbH SWR COM User Manual 5 Technical data mains voltage 230V 10 15 power consumption approx 5 W carrier frequency 132 45 kHz transmission protocol according to DIN EN 50065 part 1 VDE 0808 part 1 ambient temperature 0 40 C size mm 126 x 75 x 53 without plug and cable weight approx 550 g degree of protection IP 20 fuse fine wire fuse 250 V 0 315 A slow blow Connections integrated mains plug for direct insertion into a socket connection cable 2 m with D SUB connector socket 9 pin for direct insertion into COM1 or COM2 connector of a PC RS232 Note The parallel operation of the Powerline modem together with other de vices which use the network for data transmission as well but do not comply with the standardized transmission protocol is normally not possible SWRCOM 11 EE 1 9 3 SMA Regelsysteme GmbH SWR COM User Manual Accessories optional interface adapter D SUB plug adapter 9 pin to 25 pin For installation in the house distribution phase coupler Busch Jaeger Elektro GmbH Typ 2291 Kb 101 carrier current line trap Busch Jaeger Elektro GmbH Typ 2293 63 kB device filter Busch Jaeger Elektro GmbH Typ 2294 16 kB damping module Busch Jaeger Elektro GmbH Typ 2260 SWRCOM 11 EE 20
11. measures against strong signal damping 3 1 2 Phase coupling If you want the Powerline communication to run over several phases a major signal damping is the result A phase coupler can then be necessary If the transmission runs over several different phases a phase coupler may be necessary Sometimes although the phases are already coupled by other electric devices in the circuit such as three phase electric motors SWRCOM 11 EE 1 2 SMA Regelsysteme GmbH SWR COM User Manual Countermeasure for Powerline transmission over different phases Install a phase coupler RS A phase coupler can result in the following disadvantages The detour over the phase coupler leads to very long transmission dis tances and a signal damping The high frequency coupling of the three phases can reinforce the influ ence of disturbing devices connected to the other phases A K bx gx it a t MODE phase coupler PC for data acquisition and diagnosis House distribution Abb 2 2 Installation of a phase coupler for transmission over several phases 3 1 3 Interference signals on the mains The data transmission uses a carrier frequency of 132 45 kHz If other consumers emit signals in this frequency range to the mains the transmission can disturbed when these exceed a certain level These interference signals can be internally emitted by electrical devices within your own household insufficiently filtered devices like
12. nal devices beyond the household distribution Countermeasure block filter in front of the house distribution e Now re connect the devices you disconnected from the grid one after the other and observe the communication This way you can easily identify the disturbing device Once identified remove the device connect the device to another phase or equip your electricity circuit with a block filter 3 1 1 Strong Signal Damping Signal damping is the most frequent reason for disturbances of the Powerline com munication The cause for this may be a too long wiring between the inverter and the Power Line Modem but most times certain electrical devices which are connected to this line are the reason Devices with a high input capacity are able to massively damp the carrier signal independent from the fact if these devices are switched on or off Examples for this are washing machines dryers electric ranges microwave ov ens PCs fluorescent lamps etc SWRCOM 11 EE 1 1 R SMA Regelsysteme GmbH SWR COM User Manual Countermeasures against damped signals 1 reconnect the disturbing electric device s to another phase 2 install a special filter in the supply cable of the disturbing electrical devices 3 install a separate electricity cable from the inverter s to the Powerline modem be ty b gt MODE PC for XK data acquisition hag and diagnosis es oe W O House distribution Fig 2 1 Counter
13. unny Data installation and its usage please refer to the Sunny Data User Manual for connecting the SWR COM do the following e write down the serial numbers of the Sunny Boy inverters you want to monitor e plug the SWR COM in the socket e connect the cable from the SWR COM to a free serial port of the PC and write down the port COM1 or COM2 if you can t remember SWRCOM 11 EE 8 R SMA Regelsysteme GmbH SWR COM User Manual e run Sunny Data and start monitoring your PV plant see the Sunny Data User Manual If you encounter any problems during the device detection with Sunny Data see chap 3 Trouble Shooting SWRCOM 11 EE 9 SMA Regelsysteme GmbH SWR COM User Manual 3 Trouble Shooting If the communication between the SWR COM and the Sunny Boy inverters is not satisfactory or cannot be established at all it is necessary to find the reason for this disturbance for the subsequent appliance of appropriate countermeasures Disturbances of the Powerline communication can result from the following Signal damping other electric devices long transmission line unsuitable electric cabling Insufficient phase coupling Sunny Boy inverters and SWR COM are connected to different phases or missing phase coupler External disturbances Babyphone usage or similar in the neighborhood Internal disturbances Internal Babyphone or Intercom usage or similar These may but not must effect the Po
14. vailable data coming from the Sunny Boy String Inverters and evaluates and visualizes this data according to your specific configuration Setting up and the using Sunny Data is another topic which is de scribed in the Sunny Data manual The latest version of Sunny Data and the ac cording manual can be downloaded from our Internet site at WWW SMA DE SWRCOM 11 EE 6 SMA Regelsysteme GmbH SWR COM User Manual 2 Establishing a Powerline Communication In the following a brief description of the installation of the SWR COM Powerline mo dem If you encounter any trouble establishing a connection to the Sunny Boy String inverters please have a look at chapter 3 2 1 System Requirements For the PV plant monitoring with a SWR COM and Powerline communication the following requirements must be fulfilled e 1 or more Sunny Boy String Inverters with integrated Powerline modem Type SWRxxxx NE 100 which have to be active in order to be detected by Sunny Data so run the installation during daytime e aPC 486 or higher min 4 MB RAM with 1 free COM port and Windows 3 x or Win95 e a Powerline modem SWR COM for connecting this PC to the grid e the PV plant monitoring and visualization software Sunny Data e a suitable connection to the grid for the SWR COM see chap 2 2 and chap 3 2 2 What connection to the grid is suitable The quality of a connection to the grid and the according Sunny Boy String inverters is essential
15. werline transmission In some cases a perfect data transmission can be established with cable lengths over 150 m and over sev eral phases and sometimes the data transmission will possibly even not work under apparently perfect conditions SMA can therefore not guarantee a satisfactory Pow erline transmission How to detect and how to get rid of disturbing factors is de scribed in the following 3 1 How to identify the interference source In order to launch appropriate countermeasures it is essential to clearly identify the interference source There is a guideline for this identification in the following SWRCOM 11 EE 1 0 SMA Regelsysteme GmbH SWR COM User Manual e Starting point for the interference identification is an operating communication Connect the SWR COM with the PC running Sunny Data as close as possible to the Sunny Boy inverters e Disconnect all devices that could disturb the communication These devices can be neon tube lamps washing machines electric stoves TVs and so on e Set Sunny Data to minimal request cycle see Sunny Data user manual chap 3 4 for this This is done in order to be able to examine the transmission as close as possible e Connect the SWR COM to different sockets that are each further away from the Sunny Boy inverters Observe the transmission if the transmission starts to break down after a total cable length of about 30 m the communication most likely is disturbed by exter
Download Pdf Manuals
Related Search