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ELECTRICAL

POWER

Voltage:

10-30VDC

Current:

150mA Peak, 50mA nominal

RS-485

Operating Voltage:

-7 to +12VDC

Output voltage low:

0.4VDC

Output voltage high:

4.6VDC

Input voltage high:

3.5VDC

Input voltage low:

0.8VDC

Input Hysteresis:

0.22VDC

Input pullup/pulldown current:

±10µA

SOLAR IRRADIANCE INPUT

Voltage Input:

±1.5V Max

Input current:

±0.2nA

Common mode voltage:

1.65VDC

Differential input only

MATERIAL SPECIFICATI ONS

The PVmet-500is made with 100% RoHS compliant materials.

SENSOR ASSEMBLY

Mast:

Polyvinyl Chloride

Heat Shields:

Acrylonitrile Butadiene Styrene

Содержание PVmet 500 Series

Страница 1: ...18 2018 Rev 1 0 Copyright 2018 by RainWise Inc All rights reserved No part of this work may be reproduced in any form except by written permission of the publisher All rights of translation are reserv...

Страница 2: ...sensors 7 MOUNTING 8 ELECTRICAL 9 POWER 10 RS 485 10 WIND 11 Mini Aervane 12 Ultrasonic 13 PRECIPITATION 14 RELATIVE HUMIDITY AND TEMPERATURE 14 BACK OF MODULE TEMPERATURE SENSOR 14 SOLAR IRRADIANCE 1...

Страница 3: ...IFICATIONS 23 SENSORS 23 Operating Environment 23 Ambient Air Temperature Sensor 23 Relative Humidity 23 Barometric Pressure 23 ELECTRICAL 24 Power 24 RS 485 24 Solar Irradiance input 24 MATERIAL SPEC...

Страница 4: ...HER STATION The weather station is typically mounted out of normal reach so the system should be operated at ground level to make sure that all components are working properly prior to installation Op...

Страница 5: ...ent and must be kept away from surfaces that can radiate heat after being exposed to sunlight for extended periods of time The recommended distance to a large surface i e the ground cement mounting pa...

Страница 6: ...ructions Even at 10x the distance of the height turbulent air can cause inaccurate measurements so it is recommended to use the 10x rule as an absolute minimum SOLAR IRRADIANCE SENSORS Solar irradianc...

Страница 7: ...ally For diffuse or ground reflected sensors follow the instructions that come with the sensor Each solar irradiance sensor will come with directions for proper mounting and they should be followed ca...

Страница 8: ...7 Figure 7 Mast dimensions in inches millimeters The bottom mast should be mounted as vertical as possible in both X and Y axis Verified with a level Having the mast located close to vertical is impor...

Страница 9: ...tions in this manual The enclosure has a built in latch on the right side of the unit To open push in on the latch and pull the cover open This latch securely keeps the enclosure closed if additional...

Страница 10: ...g is shielded the shield connection should be connected at the power supply end only The earth connection is critical for protection and noise mitigation The earth connection should be connected to th...

Страница 11: ...dance cable for better signal quality A 120 termination resistor is provided on the board and is enabled by placing the provided jumper across the resistor symbol The termination resistor may not be r...

Страница 12: ...e 12 Miniaervane connections To install the Miniaervane remove the loosen the cap screw and remove the cap Also remove the cable support plug in the top of the mast Connect the RJ 45 connector to the...

Страница 13: ...he mast To wire in the ultrasonic the RJ45 cable can be used to pull the wires for the ultrasonic through the mast section It may be easier to cut the RJ45 connector of off the end of the cable then t...

Страница 14: ...le up through the hole under the enclosure The temperature sensor is mounted on a long thin PCB board that has ears for locating it in the proper position within the temperature shield stack Because t...

Страница 15: ...e end with wrapped shield The 360 shield spring clamp provides a solid shield connection and a good path for dissipating noise and transients To attach the cable simply press the cable with wrapped sh...

Страница 16: ...gainst EMI ESD but due to the low voltage signals from solar irradiance sensors they are highly sensitive Care must be taken to route cabling away from electrically noisy equipment such as power inver...

Страница 17: ...oll Rate 100ms SUNSPEC REGISTER MAP The PVmet 500was designed to follow SunSpec models outlined by the SunSpec Alliance Other registers other than SunSpec specified ones are provided for extra feature...

Страница 18: ...le BOM temperature sensors and has the following characteristics shown in Table 4 Table 4 SunSpec model 303 back of module temperature Field Type Address Offset Block Offset Size Name Label Value Type...

Страница 19: ...ssumes base 1 addressing is being used If the host system uses base 0 addressing decrement the starting register values shown by 1 All registers in the SunSpec Register map are read only Use the Modbu...

Страница 20: ...o 255 It is only recommended to change this address if a conflict is anticipated If the address has been modified and is unknown it can be discovered by reading only holding register number 200 at Mod...

Страница 21: ...re shown in Table 1 Table 8 Device settings baud rate register Name Type Units Scale Factor Contents R W Description 205 1 Baud Rate uint16 9600 R W Baud Rate 9600 or 19200 The default baud rate is 96...

Страница 22: ...Description 215 1 Rainfall Accumulation uint16 mm 0 01 0 R W Accumulation in mm This register continually accrues rainfall and does not reset on reading as does the Sunpsec register for rainfall Rain...

Страница 23: ...rature 40 C to 60 C 40 to 140 F Humidity 0 100 Condensing AMBIENT AIR TEMPERATURE SENSOR Range 40 C to 70 C 40 to 158 F Accuracy 0 4 C 0 5 F Thermal Time Constant 30 sec Resolution 0 1 C RELATIVE HUMI...

Страница 24: ...h 3 5VDC Input voltage low 0 8VDC Input Hysteresis 0 22VDC Input pullup pulldown current 10 A SOLAR IRRADIANCE INPUT Voltage Input 1 5V Max Input current 0 2nA Common mode voltage 1 65VDC Differential...

Страница 25: ...25 ENCLOSURE Body Polypropylene with UV inhibitor Hardware 18 8 Stainless Steel Powder Coated 5052 Aluminum Wire Ingress Foam Rubber...

Страница 26: ..._BaseMet_Snow int16 mm 1 Snowfall since last poll 40079 1 E_BaseMet_PPT_Type int16 mm 1 Precipitation Type WMO 4680 SYNOP code 40080 1 E_BaseMet_Electric_Field int16 V m 1 Electric Field 40081 1 E_Bas...

Страница 27: ...r 202 1 Irradiance_Plane_of_Array_Sensitivity uint16 V Wm 2 0 01 500 R W Sensitivity setting of solar irradiance sensor 203 1 Irradiance_Other_Sensitivity uint16 V Wm 2 0 01 500 R W Sensitivity settin...

Страница 28: ...28 BOTTOM MAST DIMENSIONS...

Страница 29: ...sequential damages No other warranty written or oral is authorized by RainWise Inc NOTE This warranty gives you specific legal rights and you may have other rights which vary from state to state Some...

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