SIGMA - Solar tracker WEB server with LAN, RS485
Contents
1. Here Sigma showing azimuth angle 0 Sek Sigma showing tracking angle Max range 220 BO real position sent from Sigma WEST a SUN AT EVENING 18 H EAST SUN AT MORNING at oH NERE Ip IN CASE OF USEING OPPOSITE ER Tur IRECTION USE MINUS SIGN d aah IN CASE YOU NEED 10 USE OPPOSITE RECTION OR OPPOSITE SIDE USE 1 WINUS SIGN BEFORE NUMBER OR ue SWITCH TO OPPOSITE SIG Al 10 BEFORE POSITIVE LATER NEGATIVE OR starting offset IF BEFORE NEGATIVE LATER POSITIVE INBER PORTANT NOTES NORTH Starting SAMPLE CASE 17 direction o 24 MAX AZIMUTH ANGLE RANGE 1S 220 PARAMETERS FOR MATHEMATIC AZIMUTH AXIS BY CARTESIAN COORDINATE SYSTEM ene ea PARAMETERS A2 A3 Ad AS AB BI B2 ACCORDING TO GROUND AND a TURNING DATUM 1S VERTICAL SH COORDINATE MODE A GEOMETRY MODE A GEAR RATIO A 131 6 nf WAY RANGE A 220 a COORDINATE MODES CM AZIMUTH TURNING IN CARTESTAN COORDINATE SYSTEM CMI 2 ELEVATION TURNING IN CARTESIAN COORDINATE SYSTEM CM2 3 HOUR ANGLE TURNING IN POLAR COORDINATE SYSTEM CM3 A ELEVATION TURNING IN POLAR COORDINATE SYSTEM CM4 SAT CONTROL tria beonelry maei seich for Azmih oris of solar tracher and coordinate mode wuesen Je OO MODEL FOR AZIMUT OU GEOMETRY MODEL J FOR Aug DT amer tal ono fo Fig 7 Geometry 1 for AZIMUTH axis Us2. ADC2 function ADC3 Function Input function select Radiation sensor v Temperature sensor Fig 20 ADC functions Unique functions ADC2 Radiation sensor ADC3 Temperature sensor Common functions Emergency switch Snow mode switch Wind mode switch User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 25 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved 7 55 Modbus parameters Sigma has two Modbus ports see Fig 1 which can be used for slave positioners There can be two positioners with the same ID on different buses but not on the same bus From which bus this ID will be picked is selected with the Primary Port parameter default 0 E parameters Primary Port 0 1 0 Reserved Fig 21 Modbus 7 56 Time There is an on board RTC real time clock with battery backup that handles timekeeping when Sigma is not powered This timer runs GMT time and is responsible for all timing functions and tracking calculations Time parameters GMT Time hhmmss 132952 Reset time hhmm 0000 Date ddmmyyyy 20022014 Set Time zone h 1 0 NTP Server 7794 135 133 NTP Port 123 NTP Update min 30 NTP State Synced 20 02 2014 13 06 48 GMT Fig 22 Time eGMT Time Current RTC timer time e Date Current date e Reset time Time when to schedule SIGMA reset e NTP Server IP address of a remot
3. 10 01 connected Port 10 02 connected Port id 03 connected Port i Serial 17364999 version d d id 04 connected port d d serial 17237308 Version serial 173639683 version serial 17304838 version serial 17236540 version serial 17425949 version serial 17427228 version 27 09 2013 00 00 17 INT 27 09 2013 00 00 17 INT 27 09 2013 00 00 17 INT 27 09 2013 00 00 18 INT 27 09 2013 00 00 18 INT 27 09 2013 00 00 19 INT 27 09 2013 04 03 00 INT 10 06 connected Port id 07 connected Port id 08 connected port MODE CHANGE TRACKING Bs SS D D D Fig 30 Log file 10 Upgrading Sigma is able to upgrade itself and the positioners connected to Modbus ports The positioners are upgraded automatically when a version change is detected When Sigma starts from a new firmware 1 Settings are set to defaults 2 Settings are loaded from the SD Card settings cfg file 3 Forced modes are reset to normal operation There are two Sigma upgrade options e Update Sigma and the positioners from a file on SD Card e Update Sigma directly from a file sent via a web page 10 1 Firmware file names emware bin Sigma firmware upgrade esigma_bw bin Sigma boot loader upgrade enano_fw bin Nano firmware upgrade enano_bw bin Nano boot loader upgrade Page 30 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyrigh
4. GE Sal Cairo da Page 17 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved 7 37 Trackers tab 7 38 ID ID ol 02 03 04 05 Fig 12 Normal tracking alpha inclination deviation beta Fig 13 Backtracking This tab is used for positioner slave configuration monitoring and manual control Monitoring positioners Sigma can have 64 positioners slaves Each positioner has its own monitoring line which is sorted in ascending order by the ID number which is also the Modbus device address Version bVer Ver 1 002 3 033 1 002 2 478 1 002 2 478 1 002 2 478 Page 18 of 32 Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved Line Force u vV I A 22 4 0 000 23 8 0 000 23 8 0 000 23 7 0 000 Show remaining counter MA Rem mm 0 0 0 0 0 0 0 0 MA Pos mm 0 0 2 0 2 0 2 0 MA MA Dest mm Ch 0 0 A 2 0 Cc 2 0 C 2 0 G e 0 MB Rem mm J56 na na na MB Pos mm 96 7 na na na Fig 14 Monitoring positioners Clear status range Enable all Disable all MB Dest Tomm Ch 96 7 na na na S M H MB Wait s o o 0 52 0 S3 0 53 0 5 d EERE User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail www solar motors com eID Modbus device addr
5. button and select the Sigma firmware upgrade file then click on the Send button and wait for upgrade to finish 11 Troubleshooting Automatic tracking does not move eCheck the power supply parameters 6 4 see the Controller tab eCheck that the positioner power supply line and channel are set 6 5 see the Trackers tab e Automatic tracking must be enabled 6 5 see the Trackers tab eCheck the positioner active status there should be no errors 6 5 see the Trackers tab e The positioner power supply should be greater than 20V A positioner is showing weird data In eCheck the positioner settings There is no about tab text eSD Card not in the memory card slot eSD Card file system corrupted User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 31 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved 12 Changes history Ver 1 252 e New parameter home offset A B in trackers tab e New version of Pico 2 482 and Nano 3 037 firmware that support new parameter Ver 1 256 e New coordinate mode 11 and geometry modes 11 13 e Improved input sensor sampling e Wind radiation temperature coefficient change for factor of 100 e New control flags for wind radiation temperature inputs Ver 1 257 e Fixed mode position off handling tracker position changed after sigma reset e Changed sensor input handling o When input sensor is ena
6. m A4 1S NOT IN USE AND IS 0 PLEASE NOTE rou A6 0 THEN THE MOTOR IS D THE POLE RIGHT SIDE CT THEN THE MOTOR I RONT OF THE POLE LEFT SIDE EFFECT AS THAT YOU CHANGE NORTH 50 UTH DIRECTION ON DRAWING COORDINATE MODE 2 OR 4 OR II BY DEVIATION 90 GEOMETRY GEAR RAT MODE 3 10 188 imp mm MAX RANGE A by SIGMA 620 mm MAX RANGE A y MICRO 116960 imp STROKE SAMPLE CASE for ELEVATIO or BOLLI ANGLE 64 75 427 88 mm pulses by MICRO Fig 10 Geometry 3 for different type of solar tracker User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail COORDINATE SYSTEN PROJECTION SECTION S AND VERTICAL COORDINATE NODES gt CM I AZIMUTH TURNING IN CARTESIAN COORDINATE SYSTEM CMI 2 ELEVATION TURNING IN CARTESIAN COORDINATE SYSTEM CN2 3 HOUR ANGLE TURNING IN POLAR COORDINATE SYSTEM CM3 1 ELEVATION TURNING IN POLAR COORDINATE SYSTEM CMA I1 ELEVATION TURNING IN CARTESIAN COORDINATE SYSTEM CMI IMPORTANT NOTE BY DEVIATION 90 II HOUR ANGLE TURNING IN CARTESIAN COORDINATE SYSTEM CMI SIGMA solar server is operating only with angle degrees and ml BY DEVIATION 0 MICRO positioner is operating with angle degrees mm and is showing always pulses SAT CONTROL ugi bea mael J for Elevation ants of OH solar tracker at Me or 4 or IEE e l Latest version r ght Sat Control doa vaste Je GEO MOD GN V CMA 1 CEO MD GBV CME
7. 12 Set GMT time and NTP optional see 6 7 System tab Set the power plant longitude and latitude see 6 7 Controller tab Set the moving interval to a desired value see 6 4 Controller tab Set power supply line settings see 6 4 Controller tab Each power supply line represents one physical power supply powering the positioners Configure Installer parameters and tracking geometry see 6 4 Controller tab with parameters that match your tracker s Connect and configure all positioners on Modbus port s see 6 5 Trackers tab Set the positioner Power supply line and Channel see 6 5 Trackers tab Allow 1 minute for Sigma to enable positioner actuators slew drives Enable automatic tracking for all positioners by clicking the Enable all button see 6 5 Trackers tab Immediately after enabling automatic tracking click on Go Home all so that positioners initialize position sensing see 6 5 Trackers tab After all positioners finish homing put them in a table like position by forcing them into wind mode see 6 3 11 Mode Buttons and level them mechanically Put wind mode to normal mode see 6 3 11 Mode Buttons Automatic tracking is now working 4 1 Changing a positioner When changing or connecting a new positioner s to Sigma or when tracker construction is changed automatic tracking for that positioner should be disabled and the positioner should be sent to the home positio
8. 9 1 HOUR ANGLE TURNING IN CARTESIAN COORDINATE SYSTEM CMII SIGMA solar server is operating only with angle degrees and mm BY DEVIATION 0 MICRO positioner is operating with angle degrees mm and is showing always pulses SAT CONTROL es0ription jee maei el lor tlevation otis of solar tracker and We or 4 or II Yy latest version Copyright Sat Control dog enneren Fife GEOMETRY MODEL 3 FOR EAC J GEOMETRY MODEL 7 FOR DM U Fig 9 a Geometry 3 for Elevation angle axis Page 16 of 32 Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail www solar motors com SMALL CIRCLES ARE ROTATED AXES ELEVATION ANGLE AXIS BY POLAR FOR CM4 OR CARTESIAN FOR CM2 nT 64 15 elevation angle By V n UME C VERTICAL gq LEFT SIDE GROUND H RIGHT SIDE 1 LI VIATON 30 HO IN CASE OF DIRECTION IMPORTANT SAMPLE CASE MAX ELEVA FROM 46 8 PARAMETERS MODEL CALC II 300 mm A2 1460 m A3 1360 m A5 60 mm H Ale 33 Bo 2 PARAMETER HE HEREE EH LF PARAM FIXED BEHI IF PARAM FIXED AT F IT IS SAME aa NORTH DIRECTION RIZONTAL H USING OPPOSITE USE MINUS SIGN OILS TION ANGLE RANGE IS 26 10 12 8 FOR MATHEMATIC ULATION ARE m
9. CONTROL doo Copyright 2014 All rights reserved Telnet is a simple text based protocol It shows a more detailed operation of Sigma Windows has an inbuilt telnet client or you can use a program like PuTTy You can connect to a telnet server using Sigma s IP address and port number 60 Gai Telnet 192 169 0 245 nS Debug output console vi Bii type help for help update version clock ip stats Vars set update path print params set serverip Set serverport list files Print users remove user Scan setserialid serial newid setid Lid newid bus guit KH Fig 27 Telnet terminal Note Telnet is not protected with a username password 1 Click Start 2 Control Panel 3 Programs and Features 4 Turn Windows features on or off 5 Check Telnet Client 6 Hit OK 1 Open Command prompt console o On Windows 7 and Vista click Start type cmd and press Enter 2 Type telnet Sigma s IP Telnet Port example telnet 192 168 3 10 60 fs Administrator C Windows system32 cmd exe E eg 5 SMicrosoft Windows Wersion 6 1 7601 Copyright lt c 2669 Microsoft Corporation CiN telnet 192 166 3 180 66 a Fig 28 Command prompt Page 28 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com 8 3 Connect to Telnet from
10. PuTTy Putty does not have any installation procedure Just run it put in Sigma s IP port 60 select a Telnet connection type and click Open ER PUTTY Configuration E pg gB Session E Teminal Appearance H Behaviour i Translation Basic options for your PuTTY session Specify the destination you want to connect to Host Name or IP address Port 192 168 3 10 Eu Connection type f f Raw Telnet Rlogin SSH C Seral Load save or delete a stored session Saved Sessions Selection Gas Colours Connection Telnet Rlogin SI SSH Serial Close window on exit D Always Never Only on clean exit Fig 29 PuTTy 8 4 Commands ehelp Shows all commands ereset Resets Sigma eforce update Checks for updates on a remote HTTP server see 6 7 System tab eprint version Displays the Sigma boot loader version and software version eprint clock Displays the current system GMT time eprint ip stats Displays network stack statistics eset update path Sets a search path on a remote update HTTP server eprint params Displays system parameters eset serverip Sets a remote update HTTP server eset serverport Sets a remote update HTTP server port elist files Displays files in the root directory of SD Card edelete file Deletes a specific file on SD Card eprint users Prints a list of connected users eremove user Removes a user from a session list escan Scans all Modbus ports for connected p
11. S AND VERTICAL II UR GME U J JEVIAT ION VERT ICAL 00 ELEVATION IN CASE OF USING OPPOSITE DIRECTION USE MINUS SIGN RIGHT SIDE GROUND H A CHA OF IN o ANGLE OF THE SUN L SOUTH DIRECTION HORIZONTAL IMPORTANT NOTES SAMPLE CASE 11 MAX ELEVATION ANGLE RANGE 1S 90 FROM 0 10 90 PARAMETERS FOR MATHEMATIC MODEL CALCULATION ARE II 120 mm A2 600 mm A3 599 321 mm Ad 0 NOT IN USE AND IS 0 AD 42 25 mm IL 0 Bli 64 819 B2 13 003 zg PLEASE NOTE van IF PARAM A6 0 THEN THE MOTOR IS FIXED BEHIND THE POLE LEFT SIDE F PARAM AT THEN THE MOTOR IS FIXED AT FRONT OF THE POLE I RIGHT SIDE IT 15 SAME EFFECT AS THAT YOU CHANGE NORTH SOUTH DIRECTION ON DRAWING COORDINATE MODE 2 OR 4 OR LI DEVIATION 90 GEOMETRY MODE 3 GEAR RATIO 188 imp mm MAX RANGE A by SIGMA 812 256 mm MAX RANGE A by MICRO 152704 imp STROKE SAMPLE CASE for ELEVATION ANGLE 45 452 347 mm or 85041 pulses by MICRO gt COORDINATE MODES gt CM AZIMUTH TURNING IN CARTESIAN COORDINATE SYSTEM CMI 2 ELEVATION TURNING IN CARTESIAN COORDINATE SYSTEM CM2 3 HOUR ANGLE TURNING IN POLAR COORDINATE SYSTEM CM3 A ELEVATION TURNING IN POLAR COORDINATE SYSTEM CMA ELEVATION TURNING IN CARTESIAN COORDINATE SYSTEM CMII IMPORTANT NOTE BY DEVIATION
12. a popup window saying Registration successful Press F5 on the keyboard to refresh the page Licenses management Export licenses Nr Target SN Import licenses Key Registration code Get code Send to Sat Control Registration key Fig 18 Licenses management 7 53 Email reporting m Email reporting State Disabled Last error response Testemail SMTP IP address 212 36 63 107 SMTP port User name mailer solar motors com Password Email from mailer solar motors com Email to 1 Display Name Sigma Email to 2 OK report time hhmm 2300 Error check interval min 25 15 Fig 19 SMTP settings eSMTP IP address IP address of a remote SMTP server 0 0 0 0 disabled e SMTP port SMTP server remote port default 25 e User name Password SMTP username and password used for login e Email from Your e mail address eEmail to 1 2 Where to send an ERROR or OK ALIVE report if Email to 2 is empty it will not be used e Display Name Name that will be displayed on email when received by the remote end eOK report time Time of day when to transmit an OK e mail e Error check interval How often to check for new errors e State Displays the last state of the SMTP client e Test email Sends a test email 7 54 ADC2 3 input function select ADC supports multiple functions which can be selected by two drop boxes Each ADC channel has one unique and 3 common modes
13. is received 7 41 Positioner status Errors eCurrent limit exceeded in motor X Positioner has exceeded current limit see 6 5 6 Positioner parameters eNo hall signal in motor X One or both halls not detected eError on the cable in motor X There is no hall sensor and no current see 6 5 6 Detection current Mx detected eHoming timeout in motor X Motor was doing homing too long see 6 5 6 Homing timeout eEnd switch X failure check motor cable Motor position was higher than End switch error detect Mx see 6 5 6 Positioner parameters and the end switch was still pressed eLine resistance too high Measured resistance was higher than Max power line resistance see 6 5 6 Positioner parameters 7 42 Positioner configuration For a positioner to function properly some basic parameters must be set First you should select a positioner connected to an RS485 port by entering its Device ID 0 broadcast address and click on the Send button so that Tracker parameters fields are filed with the selected positioner data Each actuator slew drive or slew drive has its own settings that you must configure You can enter the values manually or select a configuration profile from Load Configuration Mx Just select your actuator slew drive or slew drive type click load and parameters will be loaded automatically A range of devices can be configured with data from a selected positioner by entering a range exampl
14. koeficient C V 0 1100 Temperature offset C 30 0000 m Weather Station Wemher A Disabled local v Remote station IP 0 0 0 0 mode Save m Monitoring Wind speed km h 0 0 Solar radiation W m2 0 Temperature C 0 0 Fig 16 Weather tab Wind parameters e Enable wind sensor Enable wind sensor input unchecked get value from weather station eEnable wind mode Enable wind mode triggering eImpulsed input If checked the sensor input signal is digital otherwise analog e Fall time How long to wait after the wind speed falls under Threshold before removing a WIND mode request default 60 e Threshold When the wind speed is higher go to WIND mode default 50 e Measuring coefficient Wind sensor conversion coefficient default 1 22 for a digital wind sensor and 19 80 for analog sensor Radiation parameters ADC function must be selected e Radiation sensor enable Enable radiation sensor input unchecked get value from weather station e Diffuse mode enable Enable diffuse mode triggering e Radiation coefficient Radiation sensor conversion coefficient default 130 e Diffuse start stop time Time when to check if the DIFUSE sub mode should be activated e Diffuse Trigger When solar radiation is lower activate DIFUSE sub mode e Diffuse hyst When DIFUSE sub mode is activated solar radiation must get over Diffuse Trigger Diffuse hyst to deactivate DIFUSE sub mode e Low radiation timeout H
15. ms Mot inrush time MB ms Detection current MA A Detection current MB A End switch error detect MA mm End switch error detect MB mm U measuring factor I measuring factor Modbus timeout sec Modbus timeout ID delay sec Homing timeout sec Change slave ID careful E Swap hall MA Swap hall MB Load Configuration MA select configuration v Load Load Configuration MB select configuration e Load Send Send Send Send Send Send Send Send Send Send Send Send Send Configure range of IDs MA Configure range of IDs MB Save configuration Save ID defaults Save configuration all Save ID defaults all Delete configuration Delete ID defaults Delete configuration all Delete ID defaults all m Power Power Supply Line Set Range Send to all Channels Motor A MA is linked to Channel C Motor B MB is linked to Channel D Send to all Send to all Fig14 Positioner configuration e Motor Positioner slew drive motor e Serial number Unique positioner serial number eCRC Errors Number of detected CRC errors for a selected positioner e Software version Positioner software version 2xxx Pico 3xxx Nano 4xxx ePico e Modbus Port Indicates on which bus a positioner was detected primary port is set under system tab e Power line resistance When the measured power line resistance exceeds this val
16. router Sigma s IP should be in the same network group as router not used by any other network device and Sigma s gateway set to Router IP Example Router s IP 192 168 1 1 Sigma s IP 192 168 1 100 Sigma s gateway 192 168 1 1 iia TTT EE 4 Local Area Connection Properties Networking Connect using E Network Connection This connection uses the following items lv ge Client for Microsoft Networks Wi RO Packet Scheduler wi File and Printer Sharing for Microsoft Networks A Intemet Protocol Version TCP IP v si itemet Protocol Version 4 TCP IPv4 _ Link Layer Topology Discovery Mapper 1 0 Driver Wl A Link Layer Topology Discovery Responder install Uninsta Properties Description Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks ok tet Fig 1 a network Page 6 of 32 Internet Protocol Version 4 TCP IPv4 Properties m General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IP address automatically Use the following IP address IP address 192 168 3 100 Subnet mask 255 255 255 o Default gateway Obtain DNS server address automatically Use the followi
17. storage so that Sigma can operate even without SD Card System parameters IP address 192 168 0 245 Netmask 255 255 255 0 Gateway 192 168 0 100 MAC address 0014D4ED29D6 Serial number 134805002 1397754569 1275602856 4110417927 Group 2 Fig 17 System parameters 7 52 License management Sigma supports licenses group import export Licenses are exported for a specific Sigma Once you register a group number with Sat Control export is disabled but you can still import To send a registration code by e mail with an embedded SMTP client Send to Sat Control button you should have SD Card connected and Email reporting on the system tab and Contact information on the about tab configured You can also click the Get code button and send us a displayed code When using Google Chrome code cannot be copied so you have to open a log file by clicking on Show today s log and copy it from there or you can use Firefox browser Send the code to support sat control si and you will receive a registration key in response Page 24 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com Copy the key to Registration key there should be no white spaces and click the confirm button If everything went alright you should get
18. 37 36 486 4 Emergency mode 9 Forced Channel B 39 19 345 4 PEENE meer Channel C 37 36 822 8 ge Channel D 39 19 646 0 Channel E 37 36 816 7 Channel F 37 36 551 0 Channel G 37 36 37 4 Channel H 0 00 0 0 Fig 5 Monitoring tab 7 6 Sensor readings There are three sensor readings solar radiation temperature and wind that come from the ADC inputs or from a remote weather station see the Weather tab 7 7 Trackers mode automatic tracking must be enabled Sigma has 7 operating modes which are arranged by priority highest first eResistance measurement mode measures every positioner power line resistance e Emergency mode can be any position eWind mode should be a table like position eSnow mode should be a steep angle eHoming mode does homing of all positioner actuators slew drives e Night mode e Tracking mode winter sub mode 7 8 NTP status This status shows if the time is synchronized with the NTP server and when it was last synchronized 7 9 Weather station The status of local weather station mode disabled receiving and broadcasting 7 10 GMT time User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 9 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved GMT time which runs in the local RTC real time clock 7 11 Solar time MI This is GMT time which has longitude time and one moving time interval added 7 12 Si
19. D TO SUN GROUND H or 180840 pulses by MICRO eeaneeeaxee PLEASE NOTE tz COORDINATE MODES gt CN i AZIMUTH TURNING IN CARTESIAN COORDINATE SYSTEM CMI HOUR ANGLE 90 TURNED TO EAST 2 ELEVATION TURNING IN CARTESIAN COORDINATE SYSTEM CM2 HOUR ANGLE 0 TURNED TO SOUTH 3 HOUR ANGLE TURNING IN POLAR COORDINATE SYSTEM CM3 HOUR ANGLE 90 TURNED TO WEST 4 ELEVATION TURNING IN POLAR COORDINATE SYSTEM CNA I1 ELEVATION TURNING IN CARTESIAN COORDINATE SYSTEM CMII BY DEVIATION 90 HOUR ANGLE TURNING IN CARTESIAN COORDINATE SYSTEM CMI IMPORTANT NOTE BY DEVIATION 0 Sigma solar server 15 operating only with angle degrees and mm MICRO positioner is operating with angle degrees mm and is showing always pulses SAT CONTROL scription beo model stetch d lor Hour angle aris ol solar tracker of CMS or CHET by DEED y Latest version Copyright Sat Control daa werttoreemore fue GEOMETRY MODEL 2 FOR DO GEOMETRY MODEL 2 FOR HAW CH EE Fig 8 Geometry 2 for Hour angle axis User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved Page 15 of 32 Hi B NORTH DIRECTION lt HORIZONTAL 180 SMALL CIRCLES ARE ROTATED AXES LEFT SIDE J ELEVATION ANGLE AXIS BY POLAR FOR CM4 OR CARTESIAN FOR CM COORDINATE SYSTEM PROJECTION SECTION N
20. GEOMETRY MODEL 1 FOR ELEV OMO 4 GEOMETAY MODEL 1 FOR ELE CHO PARI erg ii Fig 7a Geometry 1 for ELEVATION axis User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 14 of 32 www solar motors com Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved UME IT 2 FOR CMY H TURNED SOUTH EAST SUN AT MORNING NEST d SUN AT EVENING 90 I8 H 9 85 UMAN SOLAR PANELS dp IMPORTANT NOTES WS 13 003 Gad d SAMPLE CASE 11 MAX HOUR ANGLE RANGE 1S 100 IN CASE OF USING OPPOSITE PARAMETERS FOR MATHEMATIC Hi DIRECTION USE MINUS SIGN E lt A Al 600 mm e Ar Bo UU 640 mm N 7 A3 42 25 mn S by amp SE Ad 120 mm Ge Z AS 0 NOT IN USE AND IS 0 C Gy Al amp gp Mele B2 13 Zitt PLEASE NOTE tu IF PARAM AG 0 THEW THE MOTOR 1S FIXED IN EAST SIDE SMALL CIRCLES IF PARAM AG I THEN THE MOTOR 1S ARE ROTATED AXES FIXED IN WEST SIDE IT 15 SAME EFFECT AS THAT YOU CHANGE EAST WEST DIRECTION ON DRAWING SNE WEST DIRECT OX COORDINATE MODE A 3 OR LI by DEVIATION 0 GEOMETRY MODE A 2 GEAR RATIO A 188 imp mm MAX RANGE A by SIGMA 900 mn HOUR ANGLE AXIS BY MAX RANGE A by MICRO 169200 imp POLAR COORDINATE E STROKE SAMPLE CASE SYSTEM SECTION E W for HOUR ANGLE 35 802 345 mm AND POINTE
21. ING mode eGo home all Puts Sigma in RESISTANCE MEASUREMENT mode e Clear status range Clears a range or a single positioner status without changing the selected Device ID example 1 5 10 e Enable all Enables automatic tracking of all positioners e Disable all Disables automatic tracking of all positioners eID Version This is for saving an old boot loader version positioner You can force any version of 2000 or 3000 to define a device type This has no effect on new boot loader devices if during software upgrade of a positioner something went wrong then the positioner type was lost Page 22 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2013 All rights reserved www solar motors com 7 45 Weather tab 7 46 7 47 m Wind parameters Enable wind sensor E Enable wind mode v Impulsed input E Fall time min 60 Measuring koeficient Threshold km h 50 19 8000 E km h V or km h Hz Radiation parameters Enable radiation sensor CT Enable diffuse mode a Radiation koeficient W m2 V 130 0000 Reserved Diffuse start time hhmm 0500 Diffuse stop time hhmm 0900 Diffuse trigger W m2 0 0000 Diffuse hyst W m2 200 0000 Low radiation timeout min 5 High radiation timeout min 15 Temperature parameters Enable temperature sensor E Temperature
22. SAT CONTROL r User Manual SIGMA Solar tracker WEB server with LAN RS485 DIN rail l I4 a Km Ray Seen A RSHs 6a HI bated s TRO web Moto Vee 3 2 LTO tolir 4 ISA ioner te u d Mode Pe Hy Vee Ize TR 4 Stic wr Zi 7 By SAT CONTROL d o o Pozenik 10 SI4207 CERKLJE SLOVENIA EU www solar motors com info solar motors com 1 Introduction Sigma is the main master controller for a tracker network in large scale solar power plant applications It directs and supervises the Nano and Pico positioners The user can control the whole tracker network from an integrated web page server 1 1 Features 24V operation Up to 64 slaves single port or both ports together 2 actuators slew drives supported per positioner 7 operating modes 2 coordinate systems azimuth elevation polar mount 3 tracker geometry models Up to 10 positioner power supply lines supported Up to 8 channels for actuator slew drive position control Actuator slew drive license import export HTTP web server SMTP mail client SNTPv4 client Telnet server console Local weather station transmitter receiver Remote firmware upgrade Sigma and positioners Log file generation 2GB SD card support 2 x RS485 Modbus port 1 x Ethernet LAN interface 3 x open collector output report status 3 x analog input multiple input function options o
23. Wind sensor analog digital o Radiation sensor o Temperature sensor o 3 mode options o Emergency mode switch o Wind mode switch o Snow mode switch Page 2 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com 2 Before you start Thank you for buying the Sigma solar server Before you power up Sigma you should check that all of the wiring is done correctly and the power supply voltage is adequate There should also be a memory card in the SD card slot on the bottom side of Sigma otherwise updating positioners saving settings saving positioner configuration as well as saving tab and log reporting won t work 3 Wiring 000000 Ro485_A g R3485_B OOS kn ng LI y 3 2 E indicator R5485 ee Termination T resistor Fuse Connection board e S gt lt CH CH ei cl re o T Bi LC LAN patch cable output to Nano o twisted pair wire output to Nano F 0000000 oeoc OUO 230VAC aaa he ar WIND sensor Ip can be switched Supervisionhouse i resistor ADC2 optional SS mm voc CR fe Ethemet KS Sea Bi e m Web interface PC Sigma Solar Server code 383100354105 R3485A ag H DOOCOOOOOCOG _ Enorauipu Winter mode active output 2 x 2 twisted pair cable uns
24. bled value is read locally otherwise from weather station Ver 1 258 e Improved tracking accuracy e Added sunrise sunset for day mode night mode switching replacing day night mode time e Added time zone parameter must be set correctly for sunrise sunset to work e Added sunrise sunset offset parameters Ver 1 259 e Added heliostat coordinate systems 5 6 7 8 e Added parameters Heliostat ref target azimuth elevation on controller tab e Added option box to show positioner remaining counter or heliostat target of individual positioner on trackers tab e Moving interval changed from minutes to seconds Ver 1 260 e Minor heliostat internal changes Ver 1 261 e Minor internal changes Ver 1 262 e Added solar sunrise sunset tracking end by solar sunset and start night mode Page 32 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com
25. e 1 5 2 into Configure range of IDs Mx and clicking on the Send button When the page refreshes the command is completed You can save positioner settings Save ID defaults and Save ID defaults all on SD Card When the positioner is changed Sigma detects a serial number change and loads the settings from SD Card automatically In order to move actuator slew drive or slew drive Power supply line its limitation see 6 4 Controller tab channel and positioner settings must be set Page 20 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com 7 43 Positioner parameters m Positioner Positioner device ID Positioner s parameters Motor A MA Serial number 17367828 Software version CRC Errors 0 Modbus Port 0 1 Power line resistance ohm 0 00 Max Power line resistance ohm Motor min range MA mm or Motor min range MB mm or Motor max range MA mm or Motor max range MB mm or Motor home offset MA mm or Motor home offset MB mm or Gear ratio MA imp mm or Gear ratio MB imp mm or Modbus timeout pos MA mm or Modbus timeout pos MB mm or I motor limitation MA A I motor limitation MB A Mot inrush current ratio MA Mot inrush current ratio MB Mot inrush time MA
26. e ePower supply for Pico ePico and Nano must be the SMPS type switching mode power supply 5A capacity per positioner eMax 10 positioners per SMPS 5 positioners per SMPS are recommended the best is 1 positioner per SMPS eThe last positioner on the line must have a termination resistor 360 ohm 3 4 Optional inputs ADC 1 3 are optional inputs working at voltages from OV to 30V ADC1 is used for a wind sensor ADC 2 3 provide additional functionality see 6 7 System tab If an ADC input is used as a switch voltages higher than or equal to 11V are detected as logic 1 OC 1 3 are open collector status outputs which can tolerate 30V and sink max 50mA OC1 goes active when positioners slaves report errors OC2 outputs a frequency of 2Hz when Sigma enters WINTER mode OC3 outputs a frequency of 2Hz when Sigma enters WIND SNOW or EMERGENCY mode RS485_ 2 is an optional positioner communication port which works in parallel with the primary RS485 port see 6 7 System tab Page 4of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com 4 Sigma configuration When you first power up Sigma the settings are set to factory defaults Automatic Tracking is disabled Before enabling automatic tracking these steps must be taken 1 2 3 10 11
27. e 6 4 8 Geometry mode 7 32 Panel width pitch Panel width and panel pitch are used for backtracking anti shadowing calculation Both parameters must be set to enable backtracking 7 33 Panel safety width This is added to the panel width to take into account the panel thickness and other corrections 7 34 Fixed deviation used only by coordinate mode 11 Rotation of a tracker parallel to the surface from south to west see Fig 10 Beta angle Example S N 0 W E 90 if for example tracker is slightly turned to west 15 degrees then deviation is 15 7 35 Slope of terrain used only by coordinate mode 11 Rotation perpendicular to the surface see Fig 10 Alpha angle 7 36 Coordinate mode geometry mode configuration options Geometry m m a E E E LL ooa BR e BR ey yt Ail Slew drive azimuth elevation tracking coordinate 11 azimuth only deviation 0 deviation 0 E S Azimuth tracking or Hour angle tracking if coordinate 11 XP Elevation tracking ES Slew drive Elevation tracking deviation 90 Bis Elevation tracking deviation 90 Page 12 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2013 All rights reserved www solar motors com GEOMETRY tor CW Dy STOMA SOLAR SERVEN and SLEWING DRIVE Installed as ALIMUTH AKT
28. e NTP server e NTP Port Remote NTP server port e NTP Update Update interval e Time zone Set this to your local time zone for sunrise sunset to work 7 57 User interface Page Refresh Delay sets how long a web page will wait before auto refreshing the page E Interface Page Refresh Delay s 1 Reserved Fig 23 User interface 7 58 Updating parameters Updating parameters Server IP address 86 61 66 230 Server port 80 Update path FW Update interval min 30 Update start time hhmm 0200 Update end time hhmm 0400 Fig 24 Update settings These parameters are used when you click on the Check for updates button on the SYSTEM tab e Server IP address Remote HTTP server IP address can also be another Sigma e Server port Remote HTTP server port default 80 e Update path Directory on the remote HTTP server Sigma adds at the end e Update interval How often to check for new updates e Update start end time When to start and end checking for new updates Page 26 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com 7 59 Buttons Sigma Load defaults Save Settings Load Settings Upgrade from file Check for updates Sigma reset Files Show today s log Browse Datoteka ni izbrana Upload f
29. er manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 13 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved GEOMETRY tor CM2 amp CM4 py STOMA SOLAR SERVER and SLEWING DRIVE installed tr ITU AXIS SKY TOP VERTICAL Here Sigma showing elevation angle 90 HE ee here Sigma showing H real position sent SS from Sigma SLEWING DRIVE SOUTH NORTH HORIZONT HERE TRACKING STARTS HORIZONT HORIZONTALY HORIZONTALY IMPORTANT NOTES Al 86 starting offset SAMPLE CASE MAX AZIMUTH ANGLE RANGE IS 95 PARAMETERS FOR MATHEMATIC MODEL CALCULATION ARE Al 88 MEASUREMENT PARANETERS A2 A3 Ad A5 AB BI B2 START from ARE NOT IN USE AND ARE 0 VERTICAL LINE COORDINATE WODE B 2 OR 4 ELEVATION AXIS BY CARTESIAN EE COORDINATE SYSTEN BOTTOM s GEAR BATIO B 131 6 in TURNING AXIS 1S HORIZONTAL GROUND i DIRECTION ACCORDING TO GROUND AND TURNING DATUM IS PARALLEL T0 GROUND COORDINATE MODES CM AZIMUTH TURNING IN CARTESIAN COORDINATE SYSTEM CMI 2 ELEVATION TURNING IN CARTESIAN COORDINATE SYSTEM CM 3 HOUR ANGLE TURNING IN POLAR COORDINATE SYSTEM CM3 A ELEVATION TURNING IN POLAR COORDINATE SYSTEM CM4 SAT CONTROL Description beo model skeich lor elevation aris of solar tracker for GNC or MY wuessen File
30. ess ebVer Bootloader version eVer Software version eLine Selected power line O disabled e U V Device voltage measured eI A Device current consumption e Mx Rem mm Last position when in homing mode and the end switch was pressed e Mx Pos mm Current motor position e Mx Dest mm Current destination set point e Mx Ch Actuator slew drive channel 0 disabled motor will not move e Wait s When 0 device is waiting to be contacted or will not be if there is an error condition or the channel and power line are not set eS Status of a positioner Click to see active status see 6 5 2 6 5 3 6 5 4 o Gray colour NO RESPONSE o Green colour OK o Orange colour WARNING o Red colour ERROR indicated actuator or slew drive will not move eM Actuator slew drive moving flag green colour eH Actuator slew drive is doing homing green colour eT Automatic tracking enable green colour 7 39 Positioner status OK ePower failure Positioner has come out of reset eSome button was pressed Someone has pressed buttons on the positioner eMODBUS timeout Positioner did not receive commands from Sigma for Modbus timeout see 6 5 6 Positioner parameters eMotor X is moving out Actuator slew drive is moving outwards eMotor X is moving in Actuator slew drive is moving inwards eMotor X is homing Actuator slew drive is initializing position sensing eEnd switch pressed X LO Actuator slew drive lower end switch i
31. gma voltage The voltage of Sigma s power supply 7 13 Sum of currents The sum of all currents flowing through positioners slaves 7 14 AE PM angles Current angles calculated from the solar time 7 15 Channel A F angle position The current calculated angle and physical position of a channel 7 16 Forced mode buttons You can force Sigma into emergency mode wind mode snow mode If more than one mode is forced the one with the highest priority will take place 7 17 Winter mode Winter sub mode is used to limit the motor range in winter time Winter Min Max range see 6 4 Controller is used instead of Motor min max range to limit the motor range Homing mode is disabled in winter mode 7 18 Controller User parameters Longitude 14 5000 Latitude 46 0000 Sunrise offset day mode fh 0 0 Sunset offset night mode h 0 0 Heliostat ref target azimuth 100 0000 Heliostat ref target elevation 1 0000 Homing interval days 14 U supply factor V V 1 0000 Moving interval MI s 15 Group m Power Supply parameters Power Supply Line 1 v Max output current A 5 0 m Installer parameters and tracking geometry Channels Channel A bd Name Hour Angle ST44M2V3P A1 mm 35500 Coordinate mode 3 00 A2 mm 335 00 Geometry mode 2 00 A3 mm 39 60 Motor max range mm 520 00 A4 mm 40 40 Motor min range mm 2 00 A5 mm 0 00 Night posi
32. hielded each wire 0 22mm2 UV stable CAT 5 up to 500m from end to end Fig 1 Wiring diagram User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 3 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved 3 1 Sigma recommendations e24V power supply ePower supply must be SMPS type switching mode power supply 1A capacity eGalvanically isolated power supply from the positioner or any other power supply eSigma and positioner power supplies must have the minus terminals connected eOvervoltage overcurrent transient protection eEach Sigma must be galvanically isolated from any other Sigma or power plant any power or ground cross connection between power plants is not recommended eAll input output power must come from the Sigma power supply 3 2RS485 recommendations e0 22 0 5 mm2 for runs up to 300 meters e0 5 0 75 mm2 for runs up to 1200 meters e0 75 1 5 mm2 for runs longer than 1200 meters eShielded twisted pair cable eCable shield connected to the minus terminal at the first positioner over a 100 ohm resistor eRun Modbus cable away from high voltage lines and in a separate conduit eOvervoltage overcurrent transient protection eMinus terminal must not contact tracker metal parts only at the first positioner over a 1kohm 50W resistor 3 3 Positioner recommendations e24V power supply eMax 0 1250hm power line resistance per lin
33. ile Fig 25 System buttons eLoad defaults Loads factory defaults except login and system parameters e Save Settings Saves all settings to SD Card in the settings cfg file and downloads it You can backup a configuration file to a PC eLoad Settings Load all settings from the settings cfg file on SD Card e Upgrade from file This puts SIGMA in firmware flashing mode which works without SD Card Warning Sigma settings will be lost eCheck for updates Check for updates on the remote HTTP server updating parameters must be set first eSigma reset Reset Sigma after 5 seconds e Show today s log Downloads today s log file stored on SD Card e Upload file Manually uploads new firmware or configuration file when uploading Nano Pico firmware bootloader reset Sigma afterwards 7 60 About tab stored on SD Card About tab is used for the Sigma owner or service person company contact information These fields are also sent when registering a group number with Sat control using an embedded SMTP client Contact information Company Sat Control dd Address Pozenik 10 4207 Cerklje Latitude 46 Longitude 14 Phone 1 386 428 1 62 00 Phone 2 Contact person Bogdan Contact email support sat control si Save Fig 26 About tab User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 27 of 32 Program and it s documentation is intellectual property of SAT
34. itoring commands are available monitor_params and trackers_params 7 2 Monitor_params Monitor_params outputs a string of parameters separated with displayed on Monitoring tab Format 1 Hour Min Sec 2 Day Month Year 3 Sigma s voltage 4 Sum of currents 5 Wind speed 6 Radiation 7 Temperature 8 Azimuth 9 Elevation 10 PM hour angle 11 PM elevation angle 12 Trackers status Example 09 10 46 27 09 2013 22 6 0 000 0 0 0 0 48 30 40 41 TRACKING OK User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 7 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved 7 3 Trackers_params Trackers_params outputs a string of tracker dynamic parameters Parameters are separated with Format 1 X positioner data are the following 2 Positioner data repeated X times a Positioner voltage b Positioner current c Position actuator slew drive A d Position actuator slew drive B e Positioner status f Extended positioner settings Examples 1722 470 000 0 0796 7710737420607 0722 57 0 0007 3017 3 7ant 7p 10 3 74259270 7 4 Login index page When connecting with Sigma the first page that you will get is the login page To go any further you need to enter a username default admin and password default admin which are stored on SD Card in the accounts ini file see Fig 4 and backed u
35. n by selecting its ID and clicking on Home A and Home B If Sigma does automatic tracking commands may not be accepted if the active current limit is exceeded for the positioner power supply line When homing is done automatic tracking can be enabled for a specific positioner by selecting the positioner ID and clicking the Tracking Enable Disable button User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 5 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved 5 Connecting Sigma to PC via LAN You can attach sigma directly to your network card or via network router switch When connecting directly to PC network card you have to manually set IP settings eOpen Network Connections by clicking the Start button O and then clicking Control Panel In the search box type adapter and then under Network and Sharing Center click View network connections e Right click the connection that you want to change and then click Properties Ki you re prompted for an administrator password or confirmation type the password or provide confirmation e Click the Networking tab Under This connection uses the following items click Internet Protocol Version 4 TCP IPv4 and then click Properties e Click on Use following IP address and type in IP address 192 168 3 100 and Subnet mask 255 255 255 0 When connecting sigma to network
36. ng DNS server addresses Preferred DNS server Alternate DNS server Fig 1 b IP settings User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com 6 Network LAN Settings Network settings are saved on SD Card in the system ini file see Fig 2 for default settings and backed up on internal storage The settings can only be changed by disconnecting SD Card from Sigma and editing the system ini file from a 7 Web interface The Sigma server uses PC with a text editing program system ini BeleZnica l SH al Datoteka Uredi Oblika Pogled Pomo TCP IP ip_address 192 168 3 10 ip_netmask 255 255 255 0 ip_gateway 192 168 3 1 network mac_address 123456789ABC registration emai l support sat control si Fig 2 system ini standard HTTP protocol on port 80 You can access the web interface with Internet Explorer Firefox or Google Chrome by entering Sigma s IP directly in the navigation bar see Fig 3 d amp 192168310 CG 7 1No login access Sigma offers some Fig 3 Navigation bar no login functions by entering a path to the navigation bar example 192 168 3 10 log txt e Log files can be accessed see 8 Log files e Firmware upgrade files can be accessed xxx ini and xxx bin e Two special mon
37. ositioners esetserialid Sets ID Modbus address of a positioner with a specific serial number to ID 10 example setserialid 123456789 10 esetid Changes ID Modbus address of a specific positioner example setid 12 20 equit Closes connection 9 Log files Sigma has a logging system which records events User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 29 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved eSigma startup eUser interface login e Trackers mode change ePositioner connected disconnected ePositioner warnings errors eChanges made to Sigma settings eChanges made to positioners 9 1 Accessing log files Log files can be accessed without login Log files are arranged by the day of month and month There is a special case where you can select today s log by typing log txt example 192 168 1 10 0501log txt To view today s log file go to System tab and click on Show today s log To view past log files type a desired log file name in the navigation bar see Figure 3 Navigation bar Format 0501log txt select a log file of the fifth of January Into 5igma log file by Sigma solar server Date 27 09 2013 Gl 27 09 2013 00 00 00 SYS 27 09 2013 00 00 06 SYS 27 09 2013 00 00 16 INT 27 05 2013 00 00 16 INT wee Scheduled Reset Sigma Startup ver 1242 MODE CHANGE NIGHT MODE
38. ow long solar radiation must stay over Diffuse Trigger Diffuse hyst to deactivate DIFUSE sub mode e High radiation timeout How long solar radiation must stay under Diffuse Trigger before activating DIFUSE sub mode User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 23 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved 7 48 Temperature parameters ADC function must be selected e Enable temperature sensor Enable temperature sensor input unchecked get value from weather station e Temperature coefficient Temperature sensor conversion coefficient 11 e Temperature offset Offset from 0 C 7 49 Weather station Weather variables wind speed solar radiation and temperature can be sensed from Sigma local ADC terminals or from a remote Sigma weather station When in broadcast mode UDP packets are broadcasted on LAN every second e Weather data transition mode Disabled Broadcast Receive e Remote station IP When in receive mode this IP sets a remote station IP address 7 50 System tab Here you can manage all system related parameters 7 51 System parameters This is an overview of the system LAN settings the serial number of Sigma and group number licenses The serial number is used for group number import export and registration of a group number The system parameters are stored on SD Card and backed up on internal
39. p on internal storage The settings have two groups admin and user with different access rights The settings can only be changed by disconnecting SD Card from Sigma and editing this file from a PC with a text editing program accounts ini Bele nica E Datoteka Uredi Oblika Pogled Pomoc admin admi n admi n user user us er Fig 4 accounts ini Page 8 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com 7 5 Monitoring tab In the Monitoring tab you have a quick overview of the system variables system status and connected positioners You can also change the trackers operating mode from this tab General e KR f e j m Trackers NTP status Synced 30 09 2013 13 01 27 GMT EN 2 2 4 Gei Le ES e SMTP status Waiting 9 10 11 12 23 14 15 16 Weather station Disabled KS Ki RS Ee fe es GMT Time 30 09 2013 13 19 50 17 18 19 20 21 22 23 24 Solar time MI 30 09 2013 14 18 50 SEI bebes Sigma s voltage 22 6 v 33 34 E 36 Ei 38 39 40 Sum of currents 0 000 A ae KS SS eebe azimuth 44 57 AE elevation 30 15 R Ge ES le ES Les b ES PM hour angle 37 36 o 57 58 59 50 ei 62 e 64 PM elevation 39 19 S Angle Position mm Winter moda Ka on Channel A
40. rameter is multiplied with a device ID 1 and added to Modbus timeout so that positioners are sent to a position sequentially not at once e Swap Hall Mx Swaps hall sensor position counting e Homing timeout How long to run the motor inwards when doing homing before triggering a timeout e Change slave ID Changes a slave device address use it with care 7 44 Positioner commands When a positioner is configured properly you can use several command buttons Manual mode Destination A MA mm Send Tracking enable disable Clear status Reset Tracker Destination B MB mm Home MA Home MB Stop motor Go home all Measure line resistance Measure Res all Monitoring ID Version Force Clear status range Enable all Disable all Fig 15 Positioner commands e Enter destination X Sends the actuator slew drive to the absolute position e Tracking enable disable Toggles automatic tracking for a selected positioner e Clear status Clears all error warning states eHome MA Home MB Sends a specific actuator slew drive of the selected positioner to home position 0 actuator slew drive runs inwards until the end switch is pressed eStop motor Stops the motor of a selected positioner if moving e Measure line resistance Measures power line resistance of a selected positioner e Reset Tracker Resets a selected positioner eGo home all Puts Sigma in HOM
41. s pressed position 0mm eEnd switch pressed X HI Actuator slew drive upper end switch is pressed position max range of the actuator slew drive eMeasuring Line Resistance Positioner is executing power line resistance measurement with one enabled motor 7 40 Positioner status warnings eLocked Sigma has locked the positioner because the actuator slew drive license timer has expired contact Sat Control d d eUndervoltage Positioner voltage was under 20V eOvervoltage Positioner voltage was over 32V User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 19 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved eButton Stuck Button was pressed for more than 10 minutes There is a mechanical problem with one of the positioner buttons eTo low voltage motor cannot run Positioner voltage was under 20V when Sigma tried to move the actuator slew drive eMotor cut off Voltage dropped under 17V when the motor was running motor was stopped eMotor A Hall losing impulses Counter of the first hall sensor is different from the counter of the second hall sensor eMotor B Hall losing impulses Counter of first hall sensor is different from the counter of the second hall sensor eFlash save error Positioner was unable to save variables Variables are loaded from backup or corrupted automatic homing is triggered when the move command
42. t 2013 All rights reserved www solar motors com epico_fw bin Pico firmware upgrade epico_bw bin Pico boot loader upgrade eepico_fw bin ePico firmware upgrade eepico_bw bin ePico boot loader upgrade If upgrading using the Check for updates button each file on the server should have a matching file with the ini suffix 10 2 Upgrade from SD Card To update from SD Card you must first transfer new firmware files This can be done in three ways e Turn off Sigma and plug out SD Card Put it in your PC and copy the firmware e On the system tab under the files group click the browse button and select the firmware file then click the Upload file button If everything went OK click on the Sigma reset button e On the system tab click on the Check for updates button Sigma will automatically look for firmware updates on a remote HTTP server If the Sigma firmware upgrade file is found Sigma will save the settings on SD Card and trigger system reset updating parameters must be set 10 3 Upgrade Sigma directly from a firmware file Warning Settings will be lost This option only applies to Sigma not the positioners On the system tab click on the Upgrade from file button and wait while Sigma switches to firmware flashing mode When Sigma is in this mode the green LED light emitting diode on Sigma will blink fast When the upgrade window opens click on the browse
43. tion 0 00 A6 mm 0 00 Wind position 0 00 B1 mm 31 20 Diffuse position 0 00 B2 mm 0 00 Emergency Position 0 00 Winter min range mm 0 00 Winter max range mm 0 00 Panel width cm 0 00 Snow position 0 00 Panel safety width cm 0 00 Panel pitch cm 0 00 Fixed Deviation 0 00 Slope of the terrain 0 00 Fig 6 Controller tab Page 10 of 32 User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Program and it s documentation is intellectual property of SAT CONTROL d o o Copyright 2013 All rights reserved www solar motors com 7 19 Longitude Latitude These parameters must be set or tracking won t work correctly 7 20 Sunrise day mode sunset night mode offset Optional offset parameter to alter when sigma starts stops tracking 7 21 Heliostat ref target azimuth elevation Target which will be shown in monitoring tab for channels that have selected coordinate modes 5 or 6 7 22 Homing interval On how many days Sigma is put into HOMING mode 7 23 U supply factor V V This parameter must be set correctly default 1 or a reading on the Monitoring tab Sigma s voltage will be wrong 7 24 Moving interval It tells you how often the positioners slaves will be moved to a new position 7 25 Power supply parameters There are 10 slave supply lines available At least one must be set according to the positioner power s
44. ue the positioner enters an error state will not move e Motor min max range Mx Physical limits of a motor e Motor home offset Correction for tracker angular position eGear ratio Mx How many impulses the actuator slew drive gives per mm eI Motor limitation Mx Limits the maximum current through the motor e Motor inrush current ratio Mx is multiplied with I Motor limitation Mx and used when the motor is started e Motor inrush time Mx How long inrush current I Motor limitation Mx Motor inrush current ration Mx will be active after the motor is started e Detection current Mx How much current needs to flow through the motor to detect it User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 21 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved e End switch error detect Mx When the position is higher the positioner starts sensing for the end switch error when the actuators slew drives are stopped eU measuring factor Factor for onboard positioner voltage sensing default 28 0 eI measuring factor Factor for onboard positioner current sensing default 28 0 e Modbus timeout When no command is received from Sigma for this period of time a Modbus timeout event is triggered and the positioner goes to Modbus timeout position e Modbus timeout position Where to go when a Modbus timeout event occurs e Modbus timeout ID delay This pa
45. upply current rating or the positioners won t move 7 26 Coordinate mode Valid values are 1 AE azimuth 2 AE elevation 3 PM hour angle 4 PM elevation 5 PM hour angle for use with heliostat 6 PM elevation angle for use with heliostat 7 AE azimuth angle for use with heliostat 8 AE elevation for use with heliostat 11 Azimuth or elevation single axis tracking see Fig 10 For this mode you should also set a fixed deviation and the slope of terrain and optionally the panel width panel pitch and panel safety width for backtracking 7 27 Geometry mode Valid values are 1 Slew drive see Fig 7 11 Slew drive elevation coordinate mode 11 only 2 Hour actuator see Fig 8 3 Elevation actuator see Fig 9 13 Elevation actuator coordinate mode 11 only User manual for SIGMA Solar tracker WEB server w LAN RS485 DIN rail Page 11 of 32 Program and it s documentation is intellectual property of SAT CONTROL doo Copyright 2014 All rights reserved 7 28 Motor min max range not used when winter mode Is active Limit for a channel position output 7 29 Winter min max range only used when winter mode is active Limit for a channel position output 7 30 Night winter emergency snow diffuse mode position Position for a specific mode This position can be disabled for every channel by typing off or value greater or equal 10000 7 31 A1 A6 B1 2 Geometry mode variables se
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