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DYACON UA-1 Manual

UA-1 Specifications

7.0  UA-1 Specifications

7.1  Wind Speed

Operational Range

0 m/s to 45 m/s (o mph to 89 mph)*

Starting Threshold

1 m/s (2.2 mph)

Resolution

0.1 m/s (0.2 mph)

Operational Range Accuracy

+/- 1%

Sample Rate

1 Hz

* Modbus output units are m/s. Miles per hour units are for reference only.

7.2  Wind Direction

Range

0° to 360°

Threshold

1 m/s (2.2 mph)

Accuracy

+/- 1°

Resolution

0.5°

7.3  Electrical

Power Input

5 VDC to 18 VDC

Current

At 5 VDC:
6.5 mAavg at 1 Hz sample, 3 Hz Polling
1 mA avg at 1 Hz sample, 0.02 Hz Polling

7.4  Mechanical

Materials

Acetal and nylon 12. 

Overall (WxDxH)

66 mm x 66 mm x 160 mm (2.6” x 2.6” x 6.3”)

Cable

4 conductor, 24 AWG, stranded
Foil shield w/ drain wire
Outdoor rated cable
5 m standard length.
Custom lengths available.

Weight w/ Cable

0.43 kg (0.95 lb) w/ 5 m cable

Weight w/o Cable

0.25 kg (0.55 lb)

Page 27/29

Содержание UA-1

Страница 1: ...UA 1 Ultrasonic Anemometer Manual 57 6108 Rev A ...

Страница 2: ...DYACON UA 1 Manual This page intentionally left blank Page 2 29 ...

Страница 3: ... 3 1 Wiring Configuration 16 4 3 2 Wiring Table 17 4 3 3 Internal Wiring 17 5 0 MODBUS 18 5 1 Modbus Summary 18 5 2 Modbus Utilities 18 5 3 Modbus Electrical Connection 19 5 3 1 Bus Connection 19 5 3 2 Termination 19 5 4 Modbus Protocol 23 5 5 Data Format 25 5 5 1 Wind Speed Format 25 5 5 2 Wind Direction Format 25 5 6 Conversions and Calculations 25 5 6 1 Speed Unit Conversions 25 6 0 THEORY OF O...

Страница 4: ...DYACON UA 1 Manual 7 6 Environmental 28 7 7 Accessories 28 8 0 REVISION HISTORY 29 Page 4 29 ...

Страница 5: ... Dyacon Inc The information in this manual has been carefully checked and is believed to be accurate However Dyacon Inc assumes no responsibility for any inaccuracies that may be contained in this manual All information is subject to change Trademark Acknowledgments DYACON and Dyacon is a registered trademark of Dyacon Inc Dyacon UA 1TM UATM are trademarks of Dyacon Inc All other trademarks are pr...

Страница 6: ...r of Warranties The warranties set forth above are in lieu of all other warranties of Dyacon whether written oral or implied Dyacon makes no warranties regarding its products hardware or software including without limitation warranties as to merchantability fitness for a particular purpose any warranty arising from course of performance course of dealing or usage of trade whether any of the forego...

Страница 7: ...DYACON UA 1 Manual Notices alteration or change in or to any product affected by or on behalf of customer except for a change made by Dyacon or other direct supervision thereof Page 7 29 ...

Страница 8: ...yacon com website 2 2 Technical Support 2 2 1 Contact Information Dyacon Inc 1770 Research Park Way Suite 168 Logan UT 84341 Phone 435 753 1002 Email support dyacon com Internet www dyacon com Normal business hours are from 8 00 am to 5 00 pm Mountain Time Zone GMT 0700 2 2 2 Phone Email Support If you need technical support via the phone or email please have the following information ready Produc...

Страница 9: ...ily mounted on the end of a vertical 3 4 pipe with no additional hardware Other fittings and mounting adapters may be developed as needed Sensor Protocol Descriptions Modbus RTU RS 485 is an electrically robust protocol used in automation systems such as programmable logic controllers PLCs UA uses a default data rate of 19200 bps ensuring adequate data throughput while extended cable length capabi...

Страница 10: ...e the UA 1 you will need the following 3 4 diameter mounting SCH40 IPS pipe aluminum steel or PVC Actual outer pipe diameter is 1 04 inch 26 7 mm The wind sensor fits directly on top of Dyacon Tripod 1 and QDT Quick deployment Tripod 5 to 18 VDC power supply and Modbus host device Sensor is powered directly by the Dyacon weather station controller Page 10 29 Image 3 1 As Shipped ...

Страница 11: ...ttings Standard structural pipe fittings for 1 schedule 40 pipe are available from hardware suppliers and manufacturers Hollaender Nu Rail www nurail com J C Denier www denierco com Easyfit www easyfit com Diamond Aluminum www diamond aluminum com KEE Systems www keesystems com McMaster Carr www mcmaster com Grainger www grainger com Page 11 29 Image 3 2 Sample Structural Pipe Fittings ...

Страница 12: ... Dyacon tripod and snaps into the locking button without any tools See Image 3 The data cable may be passed through the center of the mounting pipe or outside of the mounting pipe See Image 2 A knock out slot is provided inside of the UA connector compartment 1 Slide the mounting adapter over the pipe 2 Align the body of the wind sensors to orient north For convenience an alignment hole is is prov...

Страница 13: ...DYACON UA 1 Manual Assembly Instructions Page 13 29 ...

Страница 14: ...Assembly Instructions DYACON UA 1 Manual Page 14 29 ...

Страница 15: ...he alignment hole is sized to accept a large drinking straw such as can be found at McDonald s BurgerKing and other locations that sell ice cream shakes and malts 3 Tighten the band clamp using the slotted screw driver or nut driver Page 15 29 ...

Страница 16: ...able The RS 485 Modbus connection is a two wire half duplex configuration In RS 485 networks the signal polarity is indicated by a or A and the opposite signal is indicated by a or B Some systems use a two wire configuration and other systems use a four wire configuration Dyacon sensors use a two wire configuration When connecting a Dyacon sensor to a four wire device the transmit and receive sign...

Страница 17: ...ble terminal block The UA cover can be removed by removing the screw from the center hold and inserting it partially into the adjacent hole This allows the screw to become a handle for removing the cover and reduces the potential for the loose part to become lost The same wire color order is used for the internal connector The bare drain wire is not used on the internal connector Page 17 29 Image ...

Страница 18: ... even without twisted pair cables The wide operating voltage range and low power of UA 1 allows for power to be injected over the same data cable without concern for excess voltage drop Two wires for power and two for data For example 1200 m 4000 ft of Cat 5 cable 24 AWG will result in a voltage drop of less than 0 2 V at an operating current of 2 mA UA 1 ships standard with 20 ft 5 m of non paire...

Страница 19: ...needed Modbus is based on a bi directional RS 485 data bus Since the bus is bi directional anytime either the master or slave is not driving the bus the bus floats If the bus has termination resistors on it as it should the two lines will be at the same voltage if no other device is transmitting While Dyacon equipment utilizes full fail safe Open Short Terminated Floating RS 485 transceivers this ...

Страница 20: ...4 6 Write Single Register 0x86 01 02 03 04 16 Write Multiple Registers 0x90 01 02 03 04 See Error Code table below for more information Sensor Data Requests Address Register Access Type Response Range Data Type Description 201 202 Read 0 to 500 16 bit Signed Int Wind speed m s 202 203 Read 0 to 3599 16 bit Signed Int Wind direction 203 204 Read 0 to 500 16 bit Signed Int 2 min avg wind speed 204 2...

Страница 21: ...ype Range Data Type Description 103 104 Read Write 1 247 Default 1 16 bit Signed Int Modbus slave address 104 105 Read Write 0 1200 bps 1 2400 bps 2 4800 bps 3 9600 bps 4 19200 bps 5 38400 bps 16 bit Signed Int Baud rate Default 4 19200 bps 105 106 Read Write 0 None 1 Odd 2 Even Default 0 16 bit Signed Int Parity Refer to Power Saving section for more details Page 21 29 ...

Страница 22: ... Illegal Data Value Data value is outside of allowed range 04 Device Failure Error occurred while attempting to perform the requested action System Status Codes System status codes are unique to the sensor not Modbus protocol exceptions System codes are bit codes representing internal functional errors A clear 0 bit indicates no errors were detected A set 1 bit indicates an error Contact customer ...

Страница 23: ...y and pressure starting at register number 202 Detailed protocol information is available at www modbus org Request Frame The following is an example of a read of the wind speed and wind direction with one request Field Name Length bytes Function Example Data Slave Address 1 Device address 0x01 Function 1 Read holding register 0x03 Register Start Address 2 Sensor address 201 0x00C9 Quantity of Reg...

Страница 24: ...rame Field Name Length bytes Function Example Data Slave Address 1 Device address 0x01 Error Code 1 Error code value 0x83 Exception Code 1 Error code values 01 02 03 04 0x01 CRC 2 Error check 0xF080 TX String 01 83 01 80 F0 Page 24 29 ...

Страница 25: ...e is 0 to 500 Wind Speed m s ModbusData 10 5 5 2 Wind Direction Format The measured wind direction range is 0 to 359 9 The Modbus data range is 0 to 3599 Wind Direction ModbusData 10 5 6 Conversions and Calculations Unit conversion may also need to be done by the host device in order to present the data in the convention preferred by equipment users 5 6 1 Speed Unit Conversions Speed mile hr Speed...

Страница 26: ...cts and birds Any material that is placed in the sensing gap will affect the wind measurements Rain snow and ice can similarly disrupt an ultrasonic sensor The active sensing principle requires ultrasonic sensors to emit pulses even when there is no significant air movement In some cases this can lead to excess current draw Users should evaluate their current budget Adjusting the polling rate freq...

Страница 27: ...rection Range 0 to 360 Threshold 1 m s 2 2 mph Accuracy 1 Resolution 0 5 7 3 Electrical Power Input 5 VDC to 18 VDC Current At 5 VDC 6 5 mAavg at 1 Hz sample 3 Hz Polling 1 mA avg at 1 Hz sample 0 02 Hz Polling 7 4 Mechanical Materials Acetal and nylon 12 Overall WxDxH 66 mm x 66 mm x 160 mm 2 6 x 2 6 x 6 3 Cable 4 conductor 24 AWG stranded Foil shield w drain wire Outdoor rated cable 5 m standard...

Страница 28: ...available 7 5 Data Output Protocols Modbus RTU Slave RS 485 Half duplex 2 wire Default 19200 N 8 1 7 6 Environmental Operating Temperature 15 C to 50 C Storage Temperature 15 C to 50 C Operating Humidity 0 to 100 7 7 Accessories Mounting Custom mounting solutions available Accessories sold separately Page 28 29 ...

Страница 29: ...DYACON UA 1 Manual Revision History 8 0 Revision History Rev Description Author Date A Initial Release E Bodrero 2022 08 08 Page 29 29 ...

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