Delta OHM LPPYRA02 Operating Manual Download Page 1 | Manualshive

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Operating manual

Pyranometer

LPPYRA02

www.deltaohm.com

English

Keep for future reference.

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Summary of Contents for LPPYRA02

Page 1: ...Operating manual Pyranometer LPPYRA02 www deltaohm com English Keep for future reference...

Page 2: ...ECTIONS 11 4 5 LPPYRA02S12 CONNECTIONS 12 4 6 LPPYRA02ACS 4 CONNECTIONS 13 5 MEASUREMENT IN THE MODELS WITH ANALOG OUTPUT 14 5 1 LPPYRA02 14 5 2 LPPYRA02AC S 4 14 5 3 LPPYRA02AV 4 14 6 RS485 MODBUS RT...

Page 3: ...with 4 20 mA CURRENT output 0 4000 W m2 LPPYRA02ACS ACTIVE with 4 20 mA CURRENT output 0 2000 W m2 and RS485 Modbus RTU output LPPYRA02ACS4 ACTIVE with 4 20 mA CURRENT output 0 4000 W m2 and RS485 Mod...

Page 4: ...ct the difference of temperature between hot and cold junction is converted into a Difference of Potential In order to grant the thermopile a proper thermal insulation from the wind and reduce the sen...

Page 5: ...a coin 3 Remove the cartridge perforated cap 4 Open the sachet containing silica gel supplied with the pyranometer 5 Fill the cartridge with the silica gel crystals 6 Close the cartridge with its own...

Page 6: ...tioned so that its connector is pointed to the North Pole if the instrument is used in the Northern Hemisphere and to the South Pole if used in the Southern Hemisphere In any case it is better to foll...

Page 7: ...HD2003 77C HD2003 83 HD2003 83 1 HD2003 85K D HD9007 LPPYRA02 HD9007T29 1 C A B TP32MTT 03 C 80 MAX int M37 x 2 Fig 3 3 fixing accessories A Palo 750 mm B Raccordo di base C Piastra di supporto gradua...

Page 8: ...LPPYRA02 8 V2 6 Fig 3 4 fixing accessories...

Page 9: ...PPYRA02AV 4 the housing is not connected to the connector Inside the housing there is a surge protector connected between the housing itself and the electronic circuit powered models or the ca ble shi...

Page 10: ...n the ordered output and requires external power supply 10 30 Vdc for 0 1 V and 0 5 V outputs 15 30 Vdc for 0 10 V output It is to be connected to a power supply and an instrument with voltage input a...

Page 11: ...S485 A Brown 5 RS485 B White 6 Housing Cable shield SH Black 7 Not connected 8 Not connected Shield Shield Lmax 1200m B A 1 2 3 4 5 6 7 8 B A SGND Vdc GND GND Vdc A B SH R 220 T R 220 T Fig 4 4 LPPYRA...

Page 12: ...7 8 GND Vdc SDI 12 SDI 12 BUS Vdc GND SH Fig 4 5 LPPYRA02S12 connections More SDI 12 sensors can be connected in parallel The distance between a sensor and the acquisition system data logger should n...

Page 13: ...r 1 Power supply negative GND Blue 2 Power supply positive Vdc Red 3 Digital and analog ground SGND Black 4 RS485 A Brown 5 RS485 B White 6 Housing Cable shield SH Black thick wire 7 Analog output pos...

Page 14: ...e range The irradiance Ee is obtained by measuring with a multimeter the current Iout absorbed by the sensor and applying the following formula Ee 125 Iout 4 if f s 2000 W m2 Ee 250 Iout 4 if f s 4000...

Page 15: ...y to install the related USB drivers in the PC NOTES ON THE INSTALLATION OF UNSIGNED USB DRIVER before installing unsigned USB driver into operating systems starting from Windows 7 it is necessary to...

Page 16: ...ta bits no parity 2 stop bits n 2 8 E 1 8 data bits even parity 1 stop bit n 3 8 E 2 8 data bits even parity 2 stop bits n 4 8 O 1 8 data bits odd parity 1 stop bit n 5 8 O 2 8 data bits odd parity 2...

Page 17: ...4 3 Status register bit0 1 solar radiation measurement error bit2 1 configuration data error bit3 1 program memory error 16 bit Integer 5 4 Average values of the last 4 measurements 16 bit Integer 6...

Page 18: ...ing table The following table reports the SDI 12 commands available For consistency with SDI 12 standard documentation the instrument address is indicated in the table with the letter a SDI 12 Command...

Page 19: ...al temperature in the set unit of measurement default C Example of response 0 0 228 7 3 294 25 0 probe address 0 content of the status register 0 irradiance 228 7 W m2 signal internal level 3 294 mV i...

Page 20: ...execute the measurement aD0 a v v CR LF with v v signal internal level in mV Example of response 0 3 294 probe address 0 signal internal level 3 294 mV Reads the measurement In addition to the above m...

Page 21: ...end the command aXSCAL USER ON note a instrument address 2 Send the command aXSCFD to set C or aXSCFE to set F 3 Send the command aXSCAL END For more information about the SDI 12 protocol visit the we...

Page 22: ...this case the performed reading is highly over estimated To minimize the condensation the pyranometer is provided with a cartridge containing dessicant material silica gel The efficiency of the silic...

Page 23: ...Consumption 200 A for the version LPPYRA02S12 Connection 4 or 8 pole M12 connector depending on the model Dimensions Fig 3 2 Weight 750 g approx passive version with shade disk 900 g approx active ve...

Page 24: ...well as the specific measures described in this manual are followed The instrument proper operation and operating safety can be ensured only in the cli matic conditions specified in this manual Do not...

Page 25: ...ther end Length 2 m CPM12AA4 2 5 m CPM12AA4 5 or 10 m CPM12AA4 10 For LPPYRA02 LPPYRA02AC 4 and LPPYRA02AV 4 CPM12 8D Cable with 8 pole M12 connector on one end open wires on the other end Length 2 m...

Page 26: ...LPPYRA02 26 V2 6 NOTES...

Page 27: ......

Page 28: ...anty included in the manual of the product For any dispute the competent court is the Court of Padua The Italian law and the Convention on Contracts for the International Sales of Goods apply TECHNICA...

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