background image

LPPYRHE16 

-   10   -

 

V2.3

 

4.4

 

LPPYRHE16S

 CONNECTIONS

 

The  pyrheliometer  LPPYRHE16S has RS485 Modbus-RTU  output and requires 

5…30 Vdc external power supply. It is to be connected to a power supply and to a 

PLC, a data logger or a RS485/USB or RS485/RS232 converter for PC as shown in fig. 

4.4. The RS485 output is not isolated. 

Connector 

Function 

Color 

Power supply negative (GND) 

Blue 

Power supply positive (+Vdc) 

Red 

Not connected 

 

RS485 A/- 

Brown 

RS485 B/+ 

White 

Housing / Cable shield (SH) 

Black 

Not connected 

 

Not connected 

 

 

 

Fig. 4.4: LPPYRHE16S connections 

Before connecting the pyrheliometer  to the RS485 network, set the address and the 

communication parameters, if different from the factory preset (see chapter 6)

Power supply 

CPM12-8D… cable 

Sensor M12 

male connector 

PLC, data logger or 

RS485/USB or 

RS485/RS232 

converter for PC 

Other sensors with 

RS485 output 

Connect to ground only if it is not possible to 

ground locally the housing of the pyrheliometer 

Summary of Contents for LPPYRHE16

Page 1: ...Operating manual Pyranometer LPPYRHE16 www deltaohm com English Keep for future reference...

Page 2: ...4 4 LPPYRHE16S CONNECTIONS 10 4 5 LPPYRHE16ACS CONNECTIONS 11 5 MEASUREMENT IN THE MODELS WITH ANALOG OUTPUT 12 5 1 LPPYRHE16 12 5 2 LPPYRHE16AC S 12 5 3 LPPYRHE16AV 12 6 RS485 MODBUS RTU OUTPUT 13 6...

Page 3: ...vation seventh edition 2008 The pyrheliometer has a field of view of 5 in accordance with ISO 9060 2018 stand ard and WMO guide The pyrheliometer is available in the following versions LPPYRHE16 PASSI...

Page 4: ...ld junction Thanks to the Seebeck effect the difference in temperature between hot and cold junction is converted into a Dif ference of Potential In order to reduce the variations of sensitivity depen...

Page 5: ...order to reduce light scattering contribution Fig 2 3 scheme of principle LPPYRHE16 version with mV output Front opening Internal opening Sensor Field of view 2 arctan R d Slope angle arctan R r d The...

Page 6: ...g a coin 2 Remove the cartridge perforated cap 3 Open the sachet containing silica gel supplied with the pyrheliometer 4 Fill the cartridge with the silica gel crystals 5 Close the cartridge with its...

Page 7: ...es or obstructions intercept the sun s path during the day all year long To point the pyrheliometer the two holes in the front and back flange are used To properly align the instrument just make sure...

Page 8: ...red versions internally there are surge protection devices connected to the housing Grounding the housing allows the correct protection functionality in particular against lightning 4 1 LPPYRHE16 CONN...

Page 9: ...on 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...

Page 10: ...Power supply positive Vdc Red 3 Not connected 4 RS485 A Brown 5 RS485 B White 6 Housing Cable shield SH Black 7 Not connected 8 Not connected Fig 4 4 LPPYRHE16S connections Before connecting the pyrhe...

Page 11: ...The RS485 output is not isolated Connector Function Color 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 Hou...

Page 12: ...itivity of the pyrheliometer expressed in V Wm 2 5 2 LPPYRHE16AC S The 4 20 mA output signal corresponds to the 0 2000 W m2 irradiance range The irradiance Ee is obtained by measuring with a multimete...

Page 13: ...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 re...

Page 14: ...data 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...

Page 15: ...eger 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 Intege...

Page 16: ...0 10 V LPPYRHE16AV Digital RS485 Modbus RTU LPPYRHE16 AC S Power supply 10 30 Vdc 4 20 mA 0 1 V and 0 5 V outputs 15 30 Vdc 0 10 V output 5 30 Vdc RS485 Modbus RTU output Connection 4 or 8 pole M12 c...

Page 17: ...s depending on the envi ronment where the pyrheliometer works To exploit all the pyrheliometer features it is highly recommended that the calibration be checked annually 9 SAFETY INSTRUCTIONS General...

Page 18: ...m CPM12 8DA 2 5 m CPM12 8DA 5 or 10 m CPM12 8DA 10 For LPPYRHE16ACS CP24 PC connecting cable for the RS485 MODBUS parameters configu ration of the LPPYRHE16 AC S pyrheliometers With built in RS485 US...

Page 19: ......

Page 20: ...warranty 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 TECH...

Reviews: