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R3-50, R3-100 and R3A-100 Doc. No 1210-PS-0015 Issue 2

June 2021

___________________________________________________________________________________________

Page 38

14 USING THE ANEMOMETER DIGITAL OUTPUTS

14.1 Digital Serial Output Format

Data is sent in either binary or ASCII format as follows:

14.1.1

Binary Result Message Format (post conversion)

176

00.1

00.0

350.4

+99.99

-0.0001

StaA StaD Wc1 Wc2

Wc3

Abs T

An1

An2

An3

An4

An5

An6

where:
0xBA 0xBA

Start of result message identifier. 2 bytes, hex value BA.

StaA

Status Address

StaD

Status Data

Wc 1

Wind component 1

Wc 2

Wind component 2

Wc 3

Wind component 3

Speed of Sound or Sonic Temperature

Absolute temperature

Analogue input 1

checksum of all bytes. The checksum is an exclusive OR of all bytes

excluding the 2 start bytes.

These fields are defined as follows:
Wind Component Fields

UVW format

Wc1

U axis velocity in 0.01ms-1 units (Two's complement signed)

Wc2

V axis velocity in 0.01ms-1 units (Two's complement signed)

Wc3

W axis velocity in 0.01ms-1 units (Two's complement signed)

Polar format

Wc1

U V plane velocity direction in ° relative to N.

Wc2

U V plane velocity magnitude in 0.01ms-1 units.

W c3 W axis velocity in 0.01ms

-1 units (Two's complement signed)

Axis Speeds W c1 Ultrasonic axis 1 velocity in 0.01ms

-1 units (Two's complement

signed)

W c2 Ultrasonic axis 2 velocity in 0.01ms

-1 units (Two's complement

signed)

W c3 Ultrasonic axis 3 velocity in 0.01ms

-1 units (Two's complement

signed)

Speed of Sound Field

Speed Of Sound

Speed of sound in 0.01ms-1 units (Unsigned)

Sonic Temperature

Sonic temperature in 0.01K (Unsigned)

or 0.01°C (Two's complement signed)

Absolute Temperature Field

Absolute Temperature in 0.01K (Unsigned) or 0.01°C (Two's complement signed)

Analogue Input Fields (if using an SIU Box)

Analogue input value in twos complement:
0000

0.0000V

1FFF

+4.9994V

E000

-5.0000V

Checksum Field

Exclusive OR of all bytes excluding the two start bytes.

Содержание 1210-PK-065

Страница 1: ......

Страница 2: ... 8 8 Diagnostics 16 8 9 Confidence Tone 16 8 10 Result Reporting 16 8 11 Interactive Mode 17 8 12 Configuration Commands 17 8 13 Default Configuration Command Settings 17 8 14 Default Output Data String 17 8 15 Interrogation Commands 17 9 CONNECTION TO A PC OR OTHER DEVICE 18 9 1 Anemometer Connector SIU Power and Data Connector 18 10 CONNECTING R3 TO A PC USING RS422 19 10 1 Connecting R3 to a PC...

Страница 3: ...Result Message Format 39 14 2 Status Fields 40 15 USING ANALOGUE OUTPUTS WITH PCIA BOX 1189 PK 020 43 15 1 Introduction 43 15 2 Analogue outputs 43 15 3 Analogue Sync Output 44 15 4 Analogue Status Output 44 15 5 Test Modes 44 16 VIEWING LOGGING THE DATA USING GILL WINDVIEW SOFTWARE 45 17 INSTRUCTIONS FOR USING WINDCONVERT BINARY TO ASCII CONVERSION UTILITY 51 18 MAINTENANCE FAULT FINDING 53 18 1 ...

Страница 4: ...ual as a general term for both the R3 50 R3 100 and R3A 100 they are robust three axis anemometers with no moving parts The units of wind speed output rate and formats are all user selectable Both the R3 50 R3 100 and R3A 100are constructed of aluminium carbon fibre can perform measurements in wind speeds up to 45m s The R3 50 can provide an output rate up to 50Hz and the R3 100 R3A 100 can provid...

Страница 5: ...30 074 4 way Connector for PCIA 020 00978 Mains Lead for PCIA 026 00244 4 OPTIONAL EXTRAS Item Part Number Sensor Input Unit Power data to anemometer 6 off 14 bit analogue inputs 1 PRT input 1210 PK 016 Power Communications Interface PCIA Anemometer Power Supply Communications including Analogue Digital Outputs 1189 PK 020 Power Communications Interface PCI Anemometer Power Supply Communications D...

Страница 6: ... the other upper and lower transducers As Figure 1 shows the air velocity along the axis between each pair of transducers can then be calculated from the times of flight on each axis This calculation is independent of factors such as temperature From the three axis velocities the wind speed is calculated as either signed U V and W or as Polar and W It can be seen from Figure 1 that the speed of so...

Страница 7: ...o 75 C Altitude 0 to 3000m 0 to 3000m Moisture Dust Protection IP65 IP65 Humidity 5 to 100 5 to 100 Precipitation Operation up to 300 mm hour Operation up to 300 mm hour EMC Emissions BS EN 50081 1 1992 Immunity BS EN 50082 1 1992 Emissions BS EN 50081 1 1992 Immunity BS EN 50082 1 1992 Input Output Protection 0 8J 0 8J Serial Interface Electrical Interface Full Duplex RS422 Full Duplex RS422 Baud...

Страница 8: ...andard exposure of wind instruments over level open terrain is 10m above the ground Open terrain is defined as an area where the distance between the sensor and any obstruction is at least 10 times the height of the obstruction If the sensor is to be mounted on a mast boom part way up a tower or mast then the boom should be at least twice as long as the minimum diameter or diagonal of the tower Th...

Страница 9: ... 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 8 Figure 2a R3 50 and R3 100 U V and W Axis Definition Figure 2b R3A 100 with Asymmetric Head U V and W Axis Definition ...

Страница 10: ...rovision is made to seal the M6 base mounting nuts i e with a rubber boot to prevent water ingress Attention to sealing is especially important if the unit is to be used in an inverted position and it is advised to also use RTV sealant around the base when unit is connected up so as to prevent water penetration through cables connectors or base screws etc 7 7 Alignment and Dimensions The reference...

Страница 11: ...3 100 and R3A 100 Doc No 1210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 10 Figure 3a R3A 100 North Spar Alignment and Dimensions ...

Страница 12: ...by incorrect mounting It is vital that only stainless steel fixings are used and that the instrument is insulated from the metal of the mounting surface with the rubber gasket This will ensure that the anemometer will provide long service under extreme conditions e g marine 7 11 Earthing For maximum protection against lightning the anemometer must be earthed via its mountings The SIU and PCIA shou...

Страница 13: ...__________________________________________________ Page 12 7 12Mounting Base 7 13Flange Mounting Mount the unit to a suitable surface using the flange gasket and the M6 nuts bolts and washers provided ensuring that the clearance for the connector is maintained as shown on Figure 4 Figure 4 Flange Mounting ...

Страница 14: ...63 8774 91009 The cable allows for the connection of all Power inputs Digital data inputs and outputs Other example twisted pair screened cable types 24AWG are No of pairs Gill ref Belden ref Batt electronics ref 2 9729 3 026 02660 9730 91030 4 026 03156 9728 91199 6 9731 91031 7 15Cable length The maximum cable length is dependent on the chosen communication format RS232 RS422 or RS485 the baud r...

Страница 15: ... way Hirose Pin Number Designation 1 Reserved 2 RS422 Tx 3 RS422 Tx 4 RS422 Rx 5 RS422 Rx 6 Supply ve 7 Reserved 8 Reserved 9 Chassis 10 Anemometer Sync 11 Not Connected 12 Not Connected 13 Digital 0v 14 Supply ve 15 Reserved 16 Reserved 17 Reserved 18 Anemometer Sync 19 Reserved 20 Reserved Assembly of the 20 way Hirose connector is shown below The outer sheath needs to be cut back by 45mm and th...

Страница 16: ...This allows the anemometer to be configured and interrogated 8 3 Measurement Mode The principle of operation is described in Section 5 page 5 The parameters sampled are determined by the anemometer s configuration and consist of 1 Wind velocity axis velocities are always sampled 2 Speed of Sound SoS 3 Analogue Inputs 6 4 Absolute Temperature PRT100 The way in which the results are calculated forma...

Страница 17: ...lowing formats 1 Absolute Temperature K 2 Absolute Temperature C Absolute temperature measurements can be disabled 8 7 Analogue Input Reporting Formats If ASCII format is selected analogue input measurements are output in volts to 4 decimal places If binary format is selected analogue input measurements are output in 2 s complement The number of analogue inputs to be measured can be set from 0 to ...

Страница 18: ...ometer to retain its current configuration when powered down 8 13Default Configuration Command Settings Factory settings are AVERAGE 5 WINDREP UVW CAL SOSREP SONICTEMP K ABSTEMP OFF ANAIP DDDDDD DISABLED AOPFSD 30 POLARWRAP 360 STRFMT ASCII UNPAD ASCTERM CRLF ECHO ON MSGMODE CONT BAUD 9600 CTONE ON ALIGN AXIS INST OFF 8 14Default Output Data String The Structure of the Factory R3 Default Output Da...

Страница 19: ...outputs data in RS422 format which can be reconstituted to analogue via the optional PCIA Baud rate options are 1 2400 2 4800 3 9600 4 19200 5 38400 6 57600 7 115200 Note if changing a unit to 115200 Baud rate ensure that the connecting device supports 115200 baud e g RS422 converter PC Laptop etc Data format 8 data 1 stop no parity 9 1 Anemometer Connector SIU Power and Data Connector Hirose 20 w...

Страница 20: ... operated with the Power and Communications and Interface unit PCI or Analogue Output version PCIA which can be ordered as an optional extra Connect R3 via RS422 port then connect computer to RS232 port on PCI PCIA 10 1 1 Environmental The Desktop PCI PCIA is intended for use in a protected environment and provides interfacing to a single anemometer RS232 and RS422 ports are provided The PCI PCIA ...

Страница 21: ...and outputting RS422 data correctly If the PCI PCIA RS 232 connection is connected to a computer then when a terminal programme is opened and commands sent by a PC keypad or program to the box its TX LED will illuminate intermittently indicating a good connection between the PC and the box Connector Pin and Cable Assignments for PCI PCIA are as follows Anemometer Connector 15 Way RS232 Output 9 wa...

Страница 22: ...50 R3 100 and R3A 100 Doc No 1210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 21 Assembly of a Amphenol C91A Screw Lock Socket ...

Страница 23: ...utput 3 17 Analogue Output 4 18 Analogue Output 5 19 Analogue Output 6 20 Analogue Output 7 21 Analogue Output 8 22 Test Pin 2 23 Earth 24 Status Output 25 Sync Output The analogue outputs have the following specification Full scale range 2 5v to 2 5v Accuracy 0 25 of full scale 9 bits Resolution 14 bits over 3 0v Settling time 2ms to 0 25 accuracy note that the minimum time between samples is 10m...

Страница 24: ..._______________________________________________________________________________________ Page 23 10 1 5 Gill Instruments R3 SIU to PCI A Ready Made Gill Cable 1210 PK 043 The optional 1086 10 043 cable allows for connection between either the PCI PCIA and R3 or the SIU ...

Страница 25: ...R3 50 R3 100 and R3A 100 Doc No 1210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 24 ...

Страница 26: ...100 and R3A 100 Doc No 1210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 25 11 SYSTEM CONNECTION DIAGRAMS 11 1Basic System Connection ...

Страница 27: ...210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 26 11 2System Connection Including Optional SIU Note Gill Cable 1210 00 011 is supplied in a 5 Metre Length ...

Страница 28: ...R3 50 R3 100 and R3A 100 Doc No 1210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 27 11 3 Interface Cable Connections ...

Страница 29: ... Issue 2 June 2021 ___________________________________________________________________________________________ Page 28 11 4 1210 00 011 Interface Cable The optional 1210 00 011 cable allows for connection between the R3 and the Sensor Input Unit ...

Страница 30: ... the Sensor Input Unit and to take analogue data from that equipment The anemometer digitises the analogue data and appends it to the digital data string A sensor supply voltage is available at each connector The voltage at this connector is the supply voltage at the SIU minus 1 5 volts The sensor supply voltage is internally regulated to 21 2 volts for SIU supply voltages above 22 volts For senso...

Страница 31: ...PRT conforming to IEC 751 or DIN 43760 Compatibility with other standards may be available on request PRT connector pin out 1 Sensor power 2 Analogue input 6 3 Analogue input 6 4 Analogue ground 5 PRT excitation 6 PRT excitation 7 PRT sense 8 PRT sense 9 Sensor power 10 Chassis screen PRT connection diagram PRT excitation PRT sense PRT 100 PRT sense PRT excitation For correct operation the PRT con...

Страница 32: ... R3 100 and R3A 100 Doc No 1210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 31 12 31210 K 067 Sensor Input Unit Mounting Details ...

Страница 33: ...TWARE Wind is a software package from Gill Instruments that is free to download from the Gill Instruments website http gillinstruments com main software html It is primarily designed for use with the WindSonic and WindMaster range of anemometers but it is possible to use as a terminal package to communicate with the R3 The tool features are not applicable To begin open the Wind software and select...

Страница 34: ...______________________________________________________________________________ Page 33 Click on the Baud rate menu and select the required Baud rate to match the R3 Data will start scrolling in the terminal window assuming that the R3 is configured to output in Gill ASCII mode ...

Страница 35: ...ve mode with the exception of the enter interactive mode command and polled data request command ASCII Output String Termination The ASCII output string terminator can be configured to be either CR or CR LF The expression TERM is used to indicate either one of these string terminators Character Echo Character echo can be enabled or disabled If enabled received characters are only echoed while in i...

Страница 36: ...re braces are optional n m Repeat the symbols inside the braces can be repeated n to m times If n is not included then 0 is implied if m is not present then infinity is implied Non literal symbol this represents other non literal and literal symbols A further definition is required to define this non literal symbol Note Parameters in bold are the default settings Syntax followed by sending CR LF p...

Страница 37: ...ult 9600 Baud R3 baud 19200 CR At this point the Baud Rate of the terminal package must be changed to that of the new setting for the R3 any delay may result in an error message Confirm b CR VBAUD R3 exit Note In general the more parameters required in the output data string and the faster the output rate the higher must be the Baud rate to get a fully reported data string or change a parameter se...

Страница 38: ... is reported as speed SONICTEMP SOS is reported as sonic temperature K Sonic temperature reporting in K C Sonic temperature reporting in C Example R3 SOSREP SONICTEMP C CR VSOSREP STRFMT Syntax STRFMT BINARY ASCII PAD UNPAD Description Sets the result message string format Parameters BINARY Binary result message format ASCII ASCII result message format PAD ASCII fields padded to fixed size padded ...

Страница 39: ...omponent Fields UVW format Wc1 U axis velocity in 0 01ms 1 units Two s complement signed Wc2 V axis velocity in 0 01ms 1 units Two s complement signed Wc3 W axis velocity in 0 01ms 1 units Two s complement signed Polar format Wc1 U V plane velocity direction in relative to N Wc2 U V plane velocity magnitude in 0 01ms 1 units Wc3 W axis velocity in 0 01ms 1 units Two s complement signed Axis Speeds...

Страница 40: ...e defined as follows Wind Component Fields UVW format Wc1 U axis velocity in 0 01ms 1 units UU UU Wc2 V axis velocity in 0 01ms 1 units VV VV Wc3 W axis velocity in 0 01ms 1 units WW WW Polar format Wc1 U V plane velocity direction in relative to N DDD Wc2 U V plane velocity magnitude in 0 01ms 1 units MM MM Wc3 W axis velocity in 0 01ms 1 units WW WW Axis Speeds Wc1 Ultrasonic axis 1 velocity in ...

Страница 41: ...h output sample If the anemometer detects an error then the status code 00 is displayed instead of the next cyclic status code When the error is cleared the status codes will continue to cycle from where they were interrupted If the error is caused by a transducer pair failure then the error code is displayed until the failure is rectified If the error is caused by a memory or PRT failure then aft...

Страница 42: ...ed Address 02 Data output configuration 1 Bits 1 0 00 Wind mode UVW 01 Wind mode axis 10 Polar 360 wrap 11 Polar 540 wrap Bits 3 2 00 10ms 1 Full Scale Deflection 01 20ms 1 Full Scale Deflection 10 30ms 1 Full Scale Deflection 11 60ms 1 Full Scale Deflection Bits 5 4 00 SOS report off 01 SOS report speed of sound 10 SOS report sonic temp K 11 SOS report sonic temp C Bits 7 6 00 PRT temp off 01 PRT...

Страница 43: ...eserved 7 Reserved The error history is cleared when the user enters interactive mode Address 05 Transducer gain levels Bits 1 0 00 Channel pair 1 nominal 01 Channel pair 1 50 10 Channel pair 1 90 11 Channel pair 1 100 Bits 3 2 00 Channel pair 2 nominal 01 Channel pair 2 50 10 Channel pair 2 90 11 Channel pair 2 100 Bits 5 4 00 Channel pair 3 nominal 01 Channel pair 3 50 10 Channel pair 3 90 11 Ch...

Страница 44: ...on is Output voltage V 2 5 0 833 0 0 833 2 5 360 180 0 180 540 0 180 360 540 The 540 mode avoids the output oscillating between 2 5V and 2 5V in response to a direction varying around 180 Channel 4 Speed of Sound or Sonic Temperature The variable represented by this analogue output also depends on the configuration of the anemometer s speed of sound or sonic temperature The representations for eac...

Страница 45: ...al ground of the 25 way D type connector on the PCIA indicates that the analogue outputs are valid i e the full set of configuration data have been received from the anemometer and there are no data errors for the current output data The pin assignment and electrical specification of the status output are contained in Section 10 1 4 15 5Test Modes The analogue output system includes two self test ...

Страница 46: ...nts that is free to download from the Gill Instruments website http gillinstruments com main software html It is designed to allow the user to view and log data from a single or multiple anemometers Please note that WindView does not allow 2 way communication with the connected anemometer so any configuration of the R3 must take place prior to connection to WindView To begin open the WindView soft...

Страница 47: ...____________________________________ Page 46 Select Connect from the File Drop down menu The Output Format field should match the sensor i e Gill Polar 3 axis UV or NMEA Select the required COM Port from the menu Select the required baud rate to match the sensor e g 9600 baud Leave Parity set for None Click on Connect ...

Страница 48: ...A 100 Doc No 1210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 47 Data should scroll on screen To Log data use Settings menu and select logging ...

Страница 49: ...__________________________________________________________________________________ Page 48 Select type of log in this case continuous with boxes ticked for append time stamp and append record count if required Select a file directory and file name Click on Apply Click on OK ...

Страница 50: ...00 Doc No 1210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 49 To Start the Logging Select File Log Start To Stop the Logging Select File Log Stop ...

Страница 51: ...R3 50 R3 100 and R3A 100 Doc No 1210 PS 0015 Issue 2 June 2021 ___________________________________________________________________________________________ Page 50 Example R3 data logged Notepad ...

Страница 52: ...OR USING WINDCONVERT BINARY TO ASCII CONVERSION UTILITY WinConvert can be used with the Research WindMaster range of Gill Anemometers to convert logged Binary data into a readable ASCII format It is available to download from the Gill Instruments website http gillinstruments com main software html Once the program has downloaded and started the following window will be displayed ...

Страница 53: ...nemometer type is unknown click begin to start the process and the following window will be displayed Select open and the conversion process begins once complete the following message will be displayed The results will be displayed in the main program lower window together with the field information for the string To save the data select all the text in the lower window copy it Then open up a note...

Страница 54: ...ontacts corrosion etc 2 A bench test is carried out as described in Section 20 1 3 You contact your supplier for advice 18 3Fault finding 18 4Status error codes Refer to section 17 2 18 5Returning units If the unit has to be returned it should be carefully packed in the original packaging and returned to your authorised Gill distributor with a full description of the fault condition Symptom Soluti...

Страница 55: ... 3 19 2Head Alignment Test In ambient temperature conditions 18 C to 26 C and in a still air environment it is possible to perform a check on the head alignment by using the Sonic Temperature reported by the R3 as an indicator Using a PRT as a reference compare the PRT reported value with the value being output by the R3 These values should be within 3 C of each other within the temperature range ...

Страница 56: ..._ Page 55 20 APPENDIX A Summary of Abbreviations Used In This Manual ASCII American Standard Code for Information Interchange PCIA Power Communications Interface with Analogue Outputs PCI Power Communications Interface SIU Sensor Input Unit PRT Platinum Resistance Thermometer RS232 Communications standard RS422 Communications standard SoS Speed of Sound ...

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