User Manual for CALYPSO models including: ULP485, Ultra Low Power Ultrasonic Wind Meter, Low Power Ultrasonic Wind Meter, Ultrasonic Wind Meter, Wind Meter


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EN 2023 ULP STD Instruction Manual
w w w . cR a l y p s o i n s t r u m e n t s . c o m

CALYPSO

ULTRA-LOW-POWER ULTRASONIC (ULP) WIND METER

User manual

ULTRASONIC Portable
User manual
English version 1.0 09.11.2022

0809

If you want to know more about our new ULP wind meter, please keep reading or visit our website www.calypsoinstruments.com

0. Index
1. Product overview 2. Package content 3. Technical specifications
3.1.Dimensions 3.2.Weight 3.3. Power 3.4.Sensors 3.5. Wind information 3.6. Easy mount 3.7. Mounting accessories 3.8. Firmware 3.9. Product material 3.10. Quality Control 4. Configuration Options 5. Communication Protocols 6. General Information 6.1. General recommendations 6.2. Maintenance and repair 6.3 Warranty
ULP User manual

1. Product overview
Thank you for choosing the ULP wind meter from Calypso Instruments. This ULP is the first model or our generation II, representing an important technology breakthrough condensing an extensive R+D investment: · Both shape and firmware have been enhanced for an improved rain performance. This is key for static applications such as weather stations. · Mechanical design has been revamped making the unit more robust and dependable. · We feel very proud to release a unit that requires under 0.4 mA of power at 5V, sampling at 1Hz. · Different output options available: RS485, UART/TTL and MODBUS.
Applications for the ULP485 are the following: Weather Stations | Drones Temporary Scaffolding and construction | Infrastructures and building | Cranes Spraying | Irrigation | Fertilizing | Precision Agriculture Smart Cities | Wild fires | Shooting | Scientific
2. Package content
The package contains the following: · Ultrasonic ULP Wind Instrument plus 2 meter (6.5 ft) cable for connection · Serial number reference on the side of the packaging. · A quick user guide on the back of the packaging and some more useful information for the customer.
03/09

3. Technical specifications
The ULP has the following technical specifications:

3.1. Dimensions

· Diameter: 68 mm (2.68 in.) · Height: 65 mm (2.56 in.)

65 mm

3.2. Weight

210 grams (7.4 ounces)

RS485/MODBUS RTU Output:

White GND (Power -)
, Brown
VCC (Power +)

Yellow DATA (B -) Green DATA (A +)

UART/TTL Output:

White GND (Power -) Brown VCC (Power +)

Yellow DATA Rx Green DATA Tx

Data interface

Data format Baudrate Voltage range

1Autotransmit 2-POLL telegram 3-MODBUS
NMEA0183 2400 to 115200 bauds 3.3-18V

Power consumption:
Ultra-Low-Power (RS485 NMEA0183) : 0,25mA @5V, 1Hz / (MODBUS) : 1 mA @5V,1 Hz
Ultra-Low-Power (UART / I2C ): 0,15 mA @5V, 1Hz

3.3 Power

· 3.3-18 DCV

The ULP has to be connected as shown in this section.

3.4. Sensors

Ultrasonic transducers (4x) Sample rate: 0.1 Hz to 10 Hz

The ULP has been designed to avoid any mechanical parts to maximize reliability and minimize maintenance.
The transducers communicate between themselves two by two using ultrasonic range waves. Each pair of transductors calculates the signal delay and get information about both wind direction and wind speed.

ULP User manual

04/09

3. Technical specifications
3.5 Wind Information · Wind speed · Wind direction
Sample rate: 1 Hz
Wind Speed Range : Range: 0 to 45 m/s (1.12 to 100 mph) Accuracy: ±0.1 m/s at 10m/s (0.22 at 22.4 mph) Threshold: 1 m/s (2.24 mph)
Wind direction Range: 0 - 359º Accuracy: ±1º

3.7. Mounting accessories
A wide range of accessories can be used with the device. The ULP can be mounted on a flat service and screwed on to different sizes of poles. It can also be used with an adaptor for poles of 39 mm.
* Please, visit our website and check all the accessories available and their possible combinations.

3.6. Easy mount

- 3 x M4 lateral female tripod thread - 3 x M4 base female tripod thread UNC 1/4" - 20

It can be mounted either on a plate (inferior screws) or on a tube (lateral screws).

Noth mark position
Make sure the north mark is perfectly aligned to the north.

ULP User manual

05/09

4. Configuration Options

3.8. Firmware Upgradable via RS485, MODBUS or UART/TTL
3.9 Product Material
The ULP is engineered to be a robust device with minimal downtime. This new shape has been designed for optimum water spillage which implies lower probability of ice formation. Frost might affect measurements if it blocks the wave path. The input wires are protected by Transient NVoEWlta!ge Suppression (TVS) diodes. The instrument body is built with Polyamide.
3.10 Quality Control

The ULP can be set up by using a special configuration app made by Calypso Instruments. In order to use the app, you should download the configurator from our website at www.calypsoinstruments.com.
To configure your device, connect the ULP via either a USB to RS485 converter cable (in case of the ULP RS485 or the ULP Modbus) or via a USB to UART converter cable (in case of the ULP UART). Connect all the ULP cables except for the brown cable to the converter. Insert the USB into the computer, open the configurator app, select the configuration wanted and follow the instructions on the screen to finish the configuration.
For more information, please watch the following video. https://bit.ly/3DuA7lM
*USB converter cables available on calypsoinstruments.com

baudrate: output rate: output units:

2400 to 115200 (8n1) bauds 0.1 to 10 Hertz m/sec., knots or km/h

Every single unit is calibrated with accuracy, following the same calibration standards for each one in a wind tunnel.
A Q/C report for both wind speed and direction is generated and kept in our files. Standard deviation is checked to guarantee that each unit has been calibrated to the highest standards.

ULP User manual

06/09

5. Communication Protocols
5.1 Modbus Registers
DIR_BASE_LA1 30001 SYSTEM_STATUS DIR_BASE_LA1 + 200 WIND_SPEED DIR_BASE_LA1 + 201 WIND_DIRECTION DIR_BASE_LA1 + 202 TWO_MIN_AVG_WS DIR_BASE_LA1 + 203 TWO_MIN_AVG_WD DIR_BASE_LA1 + 204 TEN_MIN_AVG_WS DIR_BASE_LA1 + 205 TEN_MIN_AVG_WD DIR_BASE_LA1 + 206 WIND_GUST_SPEED DIR_BASE_LA1 + 207 WIND_GUST_DIR DIR_BASE_LA1 + 208 FIVE_MIN_AVG_WS DIR_BASE_LA1 + 210 FIVE_MIN_AVG_WD DIR_BASE_LA1 + 211 FIVE_WIND_GUST_SPEED DIR_BASE_LA1 + 212 FIVE_WIND_GUST_DIR DIR_BASE_LA1 + 213
5.2 RS485 and UART Sentences
MWV Wind Speed and Angle 1 2 3 4 5 | | | | | $--MWV,x.x,a,x.x,a*hh 1) Wind Angle, 0 to 360 degrees 2) Reference, R = Relative, T = True 3) Wind Speed 4) Wind Speed Units, K/M/N 5) Status, A = Data Valid 6) Checksum
MWV Sentence 4800bps 8N1
The connection is straightforware with no configuration required. The hardware interface is RS485, 4800bps, 8N1. The logical interface NMEA0183 has MWV ASCII simple phrases with direction and wind speed being the following:
$IIMWV,316,R,06.9,N,A*18 $IIMWV,316,R,06.9,N,A*18 $IIMWV,316,R,06.8,N,A*19 $IIMWV,316,R,06.8,N,A*19 $IIMWV,316,R,06.8,N,A*19
5.3 I2C Sentences
General Options Address I2C- 0x15 ( 21 decimal ) Frecuency -100kHz ­ 400kHz SDA -TX (Yellow) SCL - RX (Green)
ULP User manual

Write Register In order to write about the register it is necessary to write 2 bytes, the I2C bus direction and the register you need to check. I2C Address (1 Byte) + Register Address (1 Byte) Address -0x15 (21 decimal) Available Registers: Wind Raw Stat - 0x10 Wind 2 Min Stat - 0x12 Wind 5 Min Stat - 0x15 Wind 10 Min Stat - 0x1A Wind Full Stats - 0x1F

Read Register For the read register we need to take into account how many bytes is the system giving us back and what bytes we need to read in order to obtain the value we need.

Data are under big-endian criteria. The first byte, the more valuable one to be represented. E.g. If 2 bytes are read, byte 0 and byte 1, we will read the first byte as 0x05 and second byte 0x0A.

0x05
00000101

0x0A
00001010

The first byte is marked in orange. The more valuable one. The second byte is marked in blue ( less significant one LSB).
Write Wind Raw Register Return 7 Bytes Bytes 0 ­ 1 - Unused Bytes 2 ­ 3 - Wind Speed * 100 Bytes 4 ­ 5 - Wind Direction * 100 Byte 6 - Checksum
Write Wind 2 Min Stat Register Return 11 Bytes Bytes 0 ­ 1 - Unused Bytes 2 ­ 3 - Wind Speed * 100 Bytes 4 ­ 5 - Wind Direction * 100 Bytes 6 ­ 7 - Wind Speed Gust * 100 Bytes 8 ­ 9 - Wind Direction Gust * 100 Byte 10 - Checksum
Write Wind 5 Min Stat Register Return 11 Bytes Bytes 0 ­ 1 - Unused Bytes 2 ­ 3 - Wind Speed * 100 Bytes 4 ­ 5 - Wind Direction * 100 Bytes 6 ­ 7 - Wind Speed Gust * 100 Bytes 8 ­ 9 - Wind Direction Gust * 100 Byte 10 - Checksum
Write Wind 10 Min Stat Register Return 11 Bytes Bytes 0 ­ 1 - Unused Bytes 2 ­ 3 - Wind Speed * 100 Bytes 4 ­ 5 - Wind Direction * 100 Bytes 6 ­ 7 - Wind Speed Gust * 100 Bytes 8 ­ 9 - Wind Direction Gust * 100 Byte 10 - Checksum

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Write Wind Full Stat Register Return 31 Bytes Bytes 0 ­ 1 - Unused Bytes 2 ­ 3 - Wind Speed Raw * 100 Bytes 4 ­ 5 - Wind Direction Raw * 100 Bytes 6 ­ 7 - Wind Speed 2 Min Stat * 100 Bytes 8 ­ 9 - Wind Direction 2 Min Stat * 100 Bytes 10 ­ 11 - Wind Speed Gust 2 Min Stat * 100 Bytes 12 ­ 13 - Wind Direction Gust 2 Min Stat * 100 Bytes 14 ­ 15 - Wind Speed 5 Min Stat * 100 Bytes 16 ­ 17 - Wind Direction 5 Min Stat * 100 Bytes 18 ­ 19 - Wind Speed Gust 5 Min Stat * 100 Bytes 20 ­ 21 - Wind Direction Gust 5 Min Stat * 100 Bytes 22 ­ 23 - Wind Speed 10 Min Stat * 100 Bytes 24 ­ 25 - Wind Direction 10 Min Stat * 100 Bytes 26 ­ 27 - Wind Speed Gust 10 Min Stat * 100 Bytes 28 ­ 29 - Wind Direction Gust 10 Min Stat * 100 Byte 30 - Checksum
6. General information
6.1. General recommendations
Wind Speed Gust is that value that measures abrupt and sudden change in wind speed. Regarding mounting the unit, align the north mark of the ULP towards the north. Regarding mounting the unit, the mast head has to be prepared for the mechanical installation. Align the North mark of the Ultrasonic Ultra-Low-Power to the north. Make sure to install the sensor in a location free from wind perturbation, usually on the mast head.
Make sure to install the sensor in a location free from anything that obstructs the flow of wind to the sensors within a 2 meter radius, for example, the mast head on a boat.
Other important aspects:
- Do not attempt to access the transducers area with your fingers; - Do not attempt any modification to the unit; - Never paint any part of the unit or alter its surface in any way. - NOT allow to be submerged fully or partially in water.
If you have any questions or doubts, please contact us directly.
6.2. Maintenance and repair The ULP does not require great maintenance thanks to the lack of the moving parts in this new design.
Transducers must be kept clean and aligned. Impacts or incorrect impulsive handling may lead to transducers misalignment.

6.2. Maintenance and repair
(continuation) The space around the transducers must be empty and clean. Dust, frost, water, etc... will make the unit s top working. The ULP can be wiped clean with a damp cloth being careful to not touch the transducers.
3. Warranty This warranty covers the defects resulting from defective parts, materials and manufacturing, if such defects are revealed during the 24 months after the purchase date.
Warranty is void in case of non-following the instructions of use, repair or maintenance without written authorisation.
Any wrongful use given by the user will not incur in any responsibility on part of Calypso Instruments. Therefore, any harm caused to the ULP by a mistake will not be covered by the warantee. Using assembly elements different from those delivered with the product will void the guarantee.
by the warantee. Using assembly elements different from those delivered with the product will void the guarantee.
Changes on transducers position/alignment will avoid any warranty.
For further information please contact Calypso Technical Support through info@calypsoinstruments.com or visit www.calypsoinstruments.com.

ULP User manual

08/09

MODBUS Sensor Data Requests Measurements all have a resolution of 0.1 but are reported as 10*. 8.2 m/s is returned as a value 82. The user must /10 in order to reinsert the decimal precision.

Address

Register

Access Type

Response Range

Data Type

Description

200

201

Read

0 to 15

16-bit Signed Int

System Status

201

202

Read

0 to 500*

16-bit

Wind speed

Signed

(m/s) (3

Int

second

moving

average)

202

203

Read

0 to 3599*

16-bit

Wind

Signed

direction (°)

Int

(3 second

moving

average)

203

204

Read

0 to 500*

16-bit

2 min avg

Signed

wind speed

Int

204

205

Read

0 to 3599*

16-bit

2 min avg

Signed

wind

Int

direction

205

206

Read

0 to 500*

16-bit

10 min avg

Signed

wind speed

Int

206

207

Read

0 to 3599*

16-bit

10 min avg

Signed

wind

Int

direction

207

208

Read

0 to 500*

16-bit

Wind gust

Signed

speed

Int

208

209

Read

0 to 3599*

16-bit

Wind gust

Signed

direction

Int

210

211

Read

0 to 500*

16-bit Signed Int

5 min avg wind speed

211

212

Read

0 to 3599*

16-bit

5 min avg

Signed

wind

Int

direction

212

213

Read

0 to 500*

16-bit

5 min Wind

Signed

gust speed

Int

213

214

Read

0 to 3599*

16-bit

5 min Wind

Signed

gust

Int

direction

 If not applicable to ULP-M, the register should report a value of zero (0). * See Data Format section for numeric conversions.

ULP User manual

09/09

Ultra-Low-Power Ultrasonic wind meter (ULP)
User manual English version 2.0 09/11/2022



References

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