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CRBasic Example 1: CR1000X program using Modbus over RS-485 to measure the SMP10

Average

(1,SMP10_NetRadTempCor,IEEE4,False)

StdDev

(1,SMP10_NetRadTempCor,IEEE4,False)

Average

(1,SMP10_BodyTemp,IEEE4,False)

StdDev

(1,SMP10_BodyTemp,IEEE4,False)

Maximum

(1,SMP10_ResultCode,FP2,False,False)

EndTable

BeginProg
SerialOpen

(ComC7,19200,18,0,300,4)

Scan

(5,Sec,0,0)

PanelTemp

(PTemp,60)

Battery

(Batt_volt)

'Modbus RS485

ModbusMaster

(SMP10_ResultCode,ComC7,19200,51,3,Input_Reg(),1,10,1,100,3)

SMP10_ResultCode = 0

Then

SMP10_NetRadiation=Raw_SRad
SMP10_NetRadTempCor=TC_SRad
SMP10_BodyTemp=Body_Temp*0.1

Else

SMP10_NetRadiation=NAN
SMP10_NetRadTempCor=NAN
SMP10_BodyTemp=NAN

EndIf

CallTable

Hourly

NextScan

EndProg

CRBasic

Example

CR1000X

program

using

analog

voltage

measure

the

SMP10

'CR1000X Series Datalogger

Public

PTemp :

Units

PTemp = DegC

Public

Batt_volt :

Units

Batt_volt = VDC

Public

SMP10_NetRadAnalog :

Units

SMP10_NetRadAnalog = W/m^2

DataTable

(Hourly,1,-1)

DataInterval

(0,60,Min,10)

Minimum

(1,Batt_volt,FP2,False,False)

Sample

(1,PTemp,FP2)

Average

(1,SMP10_NetRadAnalog,IEEE4,False)

StdDev

(1,SMP10_NetRadAnalog,IEEE4,False)

EndTable

SMP10 Pyranometer

Содержание SMP10

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Страница 3: ...s under guarantee or not Please state the faults as clearly as possible and if the product is out of the guarantee period it should be accompanied by a purchase order Quotations for repairs can be given on request It is the policy of Campbell Scientific to protect the health of its employees and provide a safe working environment in support of this policy a Declaration of Hazardous Material and De...

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Страница 5: ...s digital cell phones and aerials may also not be applicable according to your locality Some brackets shields and enclosure options including wiring are not sold as standard items in the European market in some cases alternatives are offered Details of the alternatives will be covered in separate manuals Part numbers prefixed with a symbol are special order parts for use with non EU variants or fo...

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Страница 7: ...e beginning work Wear a hardhat and eye protection and take other appropriate safety precautions while working on or around tripods and towers Do not climb tripods or towers at any time and prohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers Use only manufacturer recommended parts materials and tools Utility and Electrical You can be kil...

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Страница 9: ... 2 2 4 5 6 6 7 1 Introduction 2 Specifications 3 Siting 4 Mounting procedure 5 Wiring 6 Register map 7 RS 485 programming 8 Analogue programming 9 Example programs 10 Maintenance and troubleshooting 10 Table of Contents iv ...

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Страница 11: ...olar resource assessment and solar power performance applications Typically this pyranometer is oriented perpendicular to the Earth s surface to measure global horizontal irradiance GH Diffuse sky radiation can also be measured with the use of a shade mechanism 2 Specifications class A secondary standard Modbus over 2 wire RS 485 or 0 to 1 V ISO 9060 2018 classification Output Analogue output rang...

Страница 12: ...ion not exceeding 5 Diffuse solar radiation is less influenced by obstructions near the horizon The sensor should be mounted with the cable pointing towards the nearest magnetic pole For example in the northern hemisphere point the cable toward the North Pole 4 Mounting procedure Required tools l Diopter l Solar compass l 8 mm 5 16 inch open end wrench for U bolt nuts 1 On a level surface level th...

Страница 13: ...nting bracket The CM255 uses one U bolt nuts flat washers and lock washers to mount the bracket as shown in the following figure 5 For the CM255LS bracket use the two set screws to secure the bracket to the crossarm or pole as shown in the following figure For pyranometers mounted horizontally ensure the mounting bracket is horizontal in two dimensions For pyranometers mounted at an angle set the ...

Страница 14: ...nd Table 5 2 p 5 provides analogue wiring Table 5 1 RS 485 pin out wire colour function and data logger connection Wire colour Pin out Function Data logger connection1 MeteoPV connection Grey 5 RS485A C odd A Yellow 4 RS485B C even B White 7 Power in 12 V 12V 12V Black 8 Power ground G G Blue 2 Ground analogue ground analogue ground 1 Assumes the sensor directly connects to the data logger SMP10 P...

Страница 15: ...ground analogue ground 1 U channels are automatically configured by the measurement instruction 6 Register map RS 485 Register Map p 5 provides the register map for the most commonly used values A comprehensive register map is available in the Kipp and Zonen manual Table 6 1 RS 485 Register Map Starting register number Register count Data format Label Units Description 4 1 unsigned integer Status ...

Страница 16: ...tion has the following syntax SerialOpen ComPort Baud Format TXDelay BufferSize Mode The Format is typically set to logic 1 low even parity one stop bit 8 data bits The Mode parameter should configure the ComPort as RS 485 half duplex transparent The ModbusMaster instruction has the following syntax ModbusMaster Result ComPort Baud Addr Function Variable Start Length Tries TimeOut ModbusOption The...

Страница 17: ... Select the smallest input range that is greater than the maximum expected input voltage If electromagnetic radiation can be a problem use an fN1 of 50 or 60 Hz The multiplier converts the millivolt reading to engineering units Table 8 1 p 7 provides the calculations required for the various units The offset will normally be fixed at zero see Example programs p 7 Table 8 1 Multipliers required for...

Страница 18: ... no parity Modbus Address Set to 51 Public PTemp Units PTemp DegC Public Batt_volt Units Batt_volt VDC Dim Input_Reg 10 As Long Public SMP10_ResultCode Alias Input_Reg 1 Dev_Type Alias Input_Reg 2 Version Alias Input_Reg 3 Mode Alias Input_Reg 4 Dev_Flags Alias Input_Reg 5 R_S_Factor Alias Input_Reg 6 TC_SRad Alias Input_Reg 7 Raw_SRad Alias Input_Reg 8 Stan_Dev Alias Input_Reg 9 Body_Temp Alias I...

Страница 19: ...0 3 If SMP10_ResultCode 0 Then SMP10_NetRadiation Raw_SRad SMP10_NetRadTempCor TC_SRad SMP10_BodyTemp Body_Temp 0 1 Else SMP10_NetRadiation NAN SMP10_NetRadTempCor NAN SMP10_BodyTemp NAN EndIf CallTable Hourly NextScan EndProg CRBasic Example 2 CR1000X program using analogue voltage to measure the SMP10 CR1000X Series Datalogger Public PTemp Units PTemp DegC Public Batt_volt Units Batt_volt VDC Pu...

Страница 20: ...PV applications clean once per week bi monthly or monthly The SMP10 should be recalibrated following industry standard best practices such as ASTM G167 ISO 9846 ASTM E824 or ASTM G207 by an accredited lab The recommended recalibration interval is two years Contact Campbell Scientific for more information Unexpected results typically occur because of improper wiring or programming electromagnetic r...

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Страница 22: ...0033 0 1 56 45 15 20 Email info campbellsci fr Website www campbellsci fr Germany Location Bremen Germany Phone 49 0 421 460974 0 Email info campbellsci de Website www campbellsci de South Africa Location Stellenbosch South Africa Phone 27 21 8809960 Email sales campbellsci co za Website www campbellsci co za Southeast Asia Location Bangkok Thailand Phone 66 2 719 3399 Email thitipongc campbellsci...

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