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EKO MS-80SH Instruction Manual
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EKO MS-80SH Instruction Manual

Pyranometer
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  • Page 2 A- 8. M S- 8 0 SH Se tt i n g Re p ort A - 9 . S u r g e p r o t e c t i o n EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 1...
  • Page 3 For warranty terms and conditions, please contact EKO Instruments or your distributer for further details. EKO guarantees that the product delivered to the customer has been tested to ensure the instrument meets its published specifications. The warranty included in the conditions of delivery is valid only if the product has been installed and used according to the instructions provided in this operating manual.
  • Page 4 EU. If you have purchased EKO Instruments branded electrical or electronic products in the EU and are intending to discard these products at the end of their useful life, please do not dispose of them with your other household or municipal waste.
  • Page 5 ISO/IEC17025, which are relevant to calibration and testing. Based on the applied calibration methods EKO provides the best quality solar sensor calibrations compliant to the international standards defined by ISO/IEC17025 / 9847 [Indoor method] and ISO9059 [Outdoor method] [Certification: L13-94-R2 / www.pjlabs.com]...
  • Page 6 Following the provisions of the directive: EMC-directive: 2014/30/EU Date: April 11, 2022 Position of Authorized Signatory: Manager of Quality Assurance Div. Name of Authorized Signatory: Minoru Kita Signature of Authorized Signatory: EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 5...
  • Page 7 3. Safety Information EKO Products are designed and manufactured with consideration for safety; however, please make sure to read and understand this instruction manual thoroughly to be able to operate the instrument in the correct manner. WARNING Attention to user; please pay close attention to instructions CAUTION accompanied by this caution sign.
  • Page 8 This product supports communication through the RS-485 Modbus RTU. ➢ It is recommended to use the optional EKO converter cable when connecting MS-80SH to a PC. ➢ Depending on the USB-RS485 converter type, an additional termination resistor (120Ω) and/or pull- up/pull-down resistor (680Ω) is required for proper communication.
  • Page 9 2 % of annual GHI-hours. To meet this requirement, MS-80SH has the dome heating function that mitigates dew or frost build-up on the glass dome.
  • Page 10 UV radiation can be harmful to materials, leading to irreversible changes to the chemical properties of substances. In the case of the MS-80SH, the detector is totally isolated below the sensor optics surface, which is sealed, and can’t be affected by a high dose of UV, moisture or pressure differences.
  • Page 11 1. MS-80SH MS-80SH features smart sensor technology and onboard diagnostic functions. 2 different output types can be selected, which is a great benefit for system integrators who work with various industrial standards. This new Smart transducer includes internal temperature and humidity sensors and a tilt sensor for remote sensor diagnostics.
  • Page 12 4- 2. Fiel d a p pl ic ati on s The MS-80SH with smart interface is designed for the solar energy industry, to be used in different applications; for PV research, plant monitoring and SCADA (Supervisory Control and Data Acquisition) controlled systems. The MS- 80SH with digital (Modbus RTU / SDI-12) can be used in a multi sensor network for onsite monitoring of large PV plants.
  • Page 13 Nuts [M5] x2 (1) The MS-80SH, standard length is 10m for both signal/power cable. For different length of cables [e.g., to meet your application needs] please contact EKO or your local distributor. (2) Details about the setting report, see appendix A-9.
  • Page 14 G. Cable, Connector H. Spirit Level Knurling Screw Detector Temperature Sensor K. Internal Temperature Sensor *Signal converter is built-in for MS-80SH. Figure 5-1. Pyranometer Parts Name [MS-80SH] EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 13...
  • Page 15 The fast response detector has a low temperature dependency and excellent long-term stability. 3. Sun screen, Body The MS-80SH has a sun screen to prevent any excessive body temperature increase generated by direct sun light. Weather resistant metals are used to reduce the effects and degradation caused by heat radiation, rain, and windblown dust.
  • Page 16 Installing at an inclined angle After the MS-80SH is adjusted to a horizontal position on a levelled surface, install it on a tilted mount. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1...
  • Page 17 Fasten the pyranometer to the base with the 2 bolts [included] and put the sun screen back on the pyranometer. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 16...
  • Page 18 The dome heating function can be switched ON/OFF using the radio button in the ‘Settings’ => ‘HEATING’ screen. [Modbus RTU] ON/OFF can be switched by directly rewriting the internal register of the MS-80SH from the control device using RS-485 communication. Register number: 151 ⇒ Set value: OFF = 0, ON = 1...
  • Page 19 2. Wiring procedure Connect the output cable to the MS-80SH: Insert the output cable into the connector port on the back of the sensor unit, and twist clockwise to fasten it. Make sure to tighten the connector all the way.
  • Page 20 5- 4. Co nn ec ti o ns The MS-80SH features a digital smart processing interface providing advanced measurement functions with 2 different industrial signal outputs (Modbus 485 RTU, configurable SDI-12,). Table 5-3. Pyranometer output parameters MS-80SH Output parameters Modbus RTU / SDI-12 ○...
  • Page 21 1. Digital output (Modbus RTU / SDI-12) The MS-80SH can work in two digital output modes, respectively Modbus 485 RTU and SDI-12. Modbus RTU output is set to default, the SDI-12 output can be selected through the Hibi software. PC connection (Modbus RTU) EKO can provide an optional and approved USB converter for connection with a PC.
  • Page 22 Figure 5-5. How to connect MS-80SH (Modbus RTU RS-485) The MS-80SH can be configured within a multi sensor RS-485 Modbus RTU communication network. Up to 31 sensors per one Master can be connected and be assigned with a unique address. For a multiple sensor network the sensors need to be configured according to the recommended RS-485 configuration standards as shown in figure 5-6.
  • Page 23 10 m, add an appropriate SPD or the like to protect the measurement system from lightning surges (see A-10). Using Modbus RTU and SDI-12 at the same time may cause communication problems. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 22...
  • Page 24 Figure 5-7. How to connect MS-80SH (SDI-12) The MS-80SH can be configured within a multi sensor SDI-12 communication network. Up to 20 units of S- series sensors can be connected and be assigned with a unique address (*). For a multiple sensor network, the sensors need to be configured according to the recommended SDI-12 configuration standards as shown in figure 5-8.
  • Page 25 (*) Dome heating function is not available when operating with 5 VDC power supply. Figure 5-9. Connector pin number of the MS-80SH Each number corresponds to the number in Table 5-4 . EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 24...
  • Page 26 Forthe MS-80SH with digital output, Modbus 485 RTU or SDI-12, the data logger should have those inputs. Forthe MS-80SH the input range, resolution and impedance are not critical, and considered as standard for any meteorological or industrial type data logger.
  • Page 27 2. Pyranometer default settings The MS-80SH features a digital smart processing interface providing advanced measurement functions with different industrial signal outputs (Modbus 485 RTU, configurable SDI-12,). Where to find information regarding the MS-80SH defaults settings and important parameters: Table 5-5.t Where to find the settings?
  • Page 28 ] by the averaging interval period [s]. Then sum-up the total data number [n] of averaged data points in one day. Its physical unit is expressed with [J/m ] and can be calculated with J = W・S EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 27...
  • Page 29 6. Maintenance & Troubleshooting 6- 1. Main te na nc e Using the MS-80SH,accurate results can be obtained if the glass dome and the condition of the instrument are maintained properly. Regular maintenance and scheduled re-calibrations can also extend the lifetime of the pyranometer.
  • Page 30 Table 6-2. Maintenance Items2 (Advanced remote checks can be done on the MS-80SH) Maintenance Frequency How To Effect Item Check the daytime irradiance data and When large difference occurs Data validity Weekly compare to previous days or adjacent operating problems or installation pyranometers.
  • Page 31 6- 2. Cali br ati on an d M eas u rem e nt Unc e rt ainty It is recommended to recalibrate the MS-80SH once every 5 years in order to verify the good quality of the solar radiation measurements. In the following paragraph the calibration method of EKO pyranometers and their calibration uncertainty is explained.
  • Page 32 6- 3. Tro ubl es h ooti ng Read the following in case of any sensor trouble. If any questions should remain, please contact EKO for further technical support. Table 6-3. Troubleshooting in field Failure Action Make sure that the sensor is properly connected, and type of power supply and voltage There is no output.
  • Page 33 7- 1. Spec i fic ati ons 1. Pyranometer Specifications The comparison table below, Table 7-1, shows typical values for the characteristic parameters of the EKO pyranometers and the corresponding values of the ISO 9060: 2018 standard. The content of the characteristic item is partly changed from ISO 9060: 1990.
  • Page 34 EKO website. Although the MS-80SH can operate from a DC 8V power supply, a DC 12V power supply or higher is recommended for long-term stable operation of the pyranometer, including the dome heating function.
  • Page 35 Table 7-4. Power consumption supply voltage specific (With dome heating function) Remarks 12V DC 24V DC During 1.1W 1.1W stand-by (Approx. 90mA) (Approx. 43mA) 1.1W 1.1W Peak value during Modbus RTU (Approx. 95mA) (Approx. 46mA) communication EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 34...
  • Page 36 B. Body Height 73 mm C. Levelling Screw Height 16 mm D. Width [including Sun screen/Cover] Φ96 mm E. Overall Height [approx.] 101mm Figure 7-1. External Dimensions (MS-80SH) EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 35...
  • Page 37 1. Brown 2. White 3. Blue 4. Black 5. Gray Shield Figure 7-2. Output Cables 2. EKO Converter Cable （Option） USB Type-A Figure 7-3. EKO Converter cable EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 36...
  • Page 38 Cable Length:5m The standard cable length for the MS-80SH is 10 m. When using the optional cable, a power supply voltage of 24VDC or higher is recommended. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 37...
  • Page 39 Pyrheliometer is classified into 4 classes of AA, A, B and C based on the performance of each characteristic, and specifications of ‘spectrally flat radiometer’ and ‘Fast response radiometer’ are set as sub-categories. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 38...
  • Page 40 [ISO 9060: 2018 added] Error generated when converting the analog output of Pyranometer Processing Errors or Pyrheliometer into a digital signal with a signal converter etc. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 39...
  • Page 41 * Connect the power supply GND and RS485GND Figure A3-1. Hardware preparation If you use the optional ‘EKO Converter Cable’, you can install it simply by inserting the cable connector into the main unit. Power for the MS-80SH can be supplied via USB. (See Figure A3-2).
  • Page 42 After the software starts, the ‘Welcome’ window appears. Figure A3-3. Welcome window Automatic connection When using the ‘Auto-connect’ function to connect the MS-80SH with the ‘Hibi’ software, select the COM port that the RS485/USB converter cable is connected to. Figure A3-4. Com port select Click ‘Select’...
  • Page 43 Check that the power supply of the main unit is ‘OFF’. Then, click ‘CONNECT’ button. If the COM port is not recognized, press the refresh button and try again. Power on the MS-80SH within 10 seconds once the ‘Connecting your sensor’ message appears. Figure A3-6. Connecting screen EKO INSTRUMENTS CO., LTD.
  • Page 44 For manual connections, click ‘View settings’ at the bottom of ‘CONNECTION FAILED’ to go to ‘Settings screen’. (As for how to set and connect by ‘Manual connection’, refer to the procedures (4) Manual connection) from the next section. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 43...
  • Page 45 Manual connection After turning on the power of the MS-80SH, click ‘CONNECT’ without selecting ‘COM port’. Clicking ‘view settings’ at the bottom of the ‘CONNECTION FAILED’ screen moves to the ‘Settings’ screen. (The same screen appears even when the ‘ Auto-connection’ fails. To perform manual connection, set and connect using this procedure.)
  • Page 46 - ‘Read’ button: Read out the settings. - ‘Output’ button: Output the settings to CSV file Figure A3-12. Apply changes screen “Output” button “Read” button "Save" button Figure A3-13. Settings screen EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 45...
  • Page 47 S-series/ M-series/ SMP-series/ SRD-series SDI-12 address 0 to 9 / A to Z / a to z Connection status Connected / Disconnect Figure A3-14. Communication setting screen EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 46...
  • Page 48 Sensitivity Sensitivity constant: Registered time [µV/W/m manufacturer calibration, but can also be registered at the user side. Figure A3-15. Sensor information settings EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 47...
  • Page 49 4. ‘TEMPERATURE’ setting items Item Name Setting contents Setting range UNIT Preferred unit °C -Celsius / °F -Fahrenheit / K-Kelvin (Temperature unit setting) Figure A3-17. Sensor settings screen EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 48...
  • Page 50 0°. The spirit vial can be used as a reference to readjust the tilt and roll position. The X and Y position of the MS-80SH is factory calibrated. Figure A3-18. Sensor Position setting EKO INSTRUMENTS CO., LTD.
  • Page 51 Figure A3-19. Data Files setting 6) Measurement (Dashboard) Figure A3-20. Dashboard screen [Overview] - Measurement data for irradiance, temperature, humidity, and tilt angle are read from the MS-80SH every 1 second and displayed. <Irradiance> Irradiance measurement data (Unit: W/m <Temperature> Internal temperature measurement data.
  • Page 52 (Start time < End time) ‘LOG DATA buttons:’ Click to start logging measurement data. When ‘STOP’ is clicked while measurement data is being logged, logging stops. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 51...
  • Page 53 Contact (Contact) When you click the ‘Contact’ button, the contact page on [EKO Instruments] website appears in the Browser. Figure A3-22. Contact page @ eko-instruments.com Sensor internal humidity abnormality alert Hibi has a function to monitor the relative internal humidity of the pyranometer at all times. When the internal relative humidity exceeds the standard value due to external failure or deterioration of drying agent over time, Hibi judges it to be abnormal and displays an alert.
  • Page 54 * In the case of leap years, notifications will be displayed from the day before. FigureA3-24. Recalibration recommendation notice 10) Exiting the software (Hibi) To exit Hibi, click the ‘X’ in the upper-right corner of the window. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 53...
  • Page 55 Read Coils 0x02 Read Discrete Inputs 0x03 Read Holding Registers 0x04 Read Input Register 0x05 Write Single Coil 0x06 Write Single Register 0x10 Write Multiple Registers EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 54...
  • Page 56 Table A4-4. Data format to use. Format Abstract Unsigned 16bit Integer Signed 16bit Integer Unsigned 32bit Integer Signed 32bit Integer IEEE754 32bit floating point format ASCII characters string EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 55...
  • Page 57 · The contents of registers No. 0 to 49 are switched according to the register type setting (No.103). · Registers No. 0 to 99 are read-only. · Registers after No.100 can be read or written to. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 56...
  • Page 58 Supply: Supply Voltage Sensor Name: Sensor name (MS-80SH) Firm Ver: Firmware version number Hard Ver: Hardware version number L. Coeff: Linearity compensation factor, set by No.182-189 EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 57...
  • Page 59 Alerts for abnormalities in the dome heating function of the dome heating function pyranometer of the pyranometer Normal: 0, Abnormality occurs: 1 30 to 49 are Reserve EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 58...
  • Page 60 Linearity correction factor 4-k4 (LSW) L.Coeff. k4 Linearity correction factor 4-k4 (MSW) Addr Node number Communication speed (LSW) Communication speed (MSW) Parity Parity bit 46 to 49 are Reserve EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 59...
  • Page 61 Fixed value Fixed value Fixed value 35 to 40 are Reserve 2020 Fixed value Fixed value Firm Ver Hard ver. Address 46 to 49 are Reserve EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 60...
  • Page 62 · A fixed value of zero (U16) has been written to an address that is not used. · The ‘EKO’ character is written as the company name registration in register No. 96 and 97. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1...
  • Page 63 The company name in ASCII format ‘EKO’ is read. (0,1) Four ‘EKO’ characters, three ‘EKO’ characters and one space Company name (0x20). (2,3) Firmware version Firmware version number. Hardware version Various parts of hardware EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 62...
  • Page 64 Linear correction factor k2 L.Coeff.k3 Linear correction factor k3 L.Coeff.k4 Linear correction factor k4 Cal.Date Calibration date in YYYYMMDD format Cal.Value Calibration value, μV/W・m 194 to 199 are Reserve EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 63...
  • Page 65 · Linear post-correction sun photometer output V(L) = k1 + (k2•V(raw)) + (k3•V(raw) ) + (k4•V(raw) · The default value is k2=1, k1=k3=k4=0, so V(L)=V(raw), and the raw value is used for the corrected pyranometer output. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 64...
  • Page 66 · Do not write to any Coil other than Reboot/Save. · The readout is always zero. A4-14. Register details Table A4-17. Coil register Addr Parameter Type Reboot Save EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 65...
  • Page 67 Table A5-1. SDI-12 Communication Specifications Item Description Communications protocols SDI-12 Version 1.4 Baud rate 1,200 bps Data length 7bit Stop bit Parity bit Even Communication distance Within 60 m EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 66...
  • Page 68 1 for an abnormal condition. If the pre-measurement command is ‘MC’, then three CRC characters are followed, please refer to SDI-12 standard for the content of CRC characters. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 67...
  • Page 69 Change the dome heating function setting to OFF. Variable Identify Measurement Commands and Identify Measurement Parameter METADATA depending on Commands are supported. request data EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 68...
  • Page 70 (Change the sensitivity figure of the MS-80SH) Set a new sensitivity figure to the MS-80SH. This can be done via through the Hibi software. Connect the MS-80SH to a PC with a RS485/USB converter cable. In settings, the new sensitivity figure can be applied. The original sensitivity figure remains, but will be replaced by the ‘last’...
  • Page 71 108.2 119.8 96.9 108.6 120.2 97.3 109.0 120.6 97.7 109.3 120.9 98.0 109.7 121.3 98.4 110.1 121.7 98.8 110.5 122.1 99.2 110.9 122.5 99.6 111.3 122.9 EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 70...
  • Page 72 A- 8. MS -8 0 SH Set tin g Re po rt EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 71...
  • Page 73 However, the type, rating, and connection method of the SPD to be used vary depending on the manufacturer, so please read the instruction manual of each manufacturer carefully. EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80SH - Instruction Manual Ver. 1 Pg. 72...

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