HONGYUV HY-WDC2E User manual

User Manual
HY-WDC2E Ultrasonic Anemometer
180322
Hongyuv Technologies Co.,Ltd

The Ultrasonic Wind speed and Wind direction sensor
The Ultrasonic 2D Compact Anemometer
Hongyuv Technologies Co.,Ltd Tel: [phone] Fax: [phone] Email: [e-mail] Website: www.hongyuv.com
1 FOREWORD
Thank you for purchasing ultrasonic anemometer manufactured by Hongyuv. The
unit has no moving parts and requires no calibration or maintenance. To achieve
optimum performance we recommend that you read the whole of this manual before
proceeding with use.
As our products are developed continuously, Hongyuv reserve the right to make any
alterations on performance or appearance without prior notice.
Copyright of this manual belongs to Hongyuv, no one can copy it for commercial use
without permission.
2 INTRODUCTION
HY-WDC2E ultrasonic anemometer has advantage of lightweigh, robust, no moving
parts, maintenance free , simultaneously output wind speed and direction. Each unit
is factory calibrated in our wind-tunnel testing lab prior to shipping.
HY-WDC2E have three communication interfaces (RS232,RS485,SDI-12) with
international standard complied protocols (Modbus-RTU,NMEA0183,SDI-12) for your
option, and can be connected to computer or any other data acquisition module
which has compatible communication protocol with it.
3 WORKING PRINCIPLE
Measure the transmission time of ultrasonic sensors from sensor N to sensor S, and
compare with the transmission time of sensor S to sensor N. Similarly, compare the
time of W to E and E to W time. (N = north, S = south, E = east, W = west)
For example, if the wind blew from the north, time of ultrasonic from N to S will be
shorter than from S to N, and transmission time of it from W to E and E to W is the
same. Through calculating the time difference
of ultrasonic transmission between two points,
the wind speed and direction can be
calculated. This calculation method has
nothing to do with other factors such as
temperature.

The Ultrasonic Wind speed and Wind direction sensor
The Ultrasonic 2D Compact Anemometer
Hongyuv Technologies Co.,Ltd Tel: [phone] Fax: [phone] Email: [e-mail] Website: www.hongyuv.com
4 TECHNICAL SPECIFICATION
Range
Accuracy
Resolution
Wind Speed
0 - 40m/s
5％
0.1m/s
Wind Direction
0 - 359°
±3 °
1°
Temperature(optional)
-40 －+80℃
0.5℃
0.1℃
Humidity(optional)
0－100%
5％
1
Air Pressure(optional)
150 －1100hPa
±1
0.1hPa
Digital Output
RS485、RS232、SDI-12
Baud Rate
4800 - 19200
Communication
Protocol
ModBus、NMEA-0183、ASCII
Protection Grade
IP65
Operating
Temperature
-20℃- +50℃
Storage Temperature
-50℃- +80℃
Working Humidity
0 - 100%
Power Supply
VDC: 3-30V
Power consumption
18mA @12V
Dimension/Weight
ABS: Φ82×108mm 、0.28kg
Aluminum alloy：Φ82×125mm 、0.38kg
Material
ABS engineering plastic/aluminium alloy
Specifications may be subject to change without prior notice.
5 PACKING LIST
Item
Quantity
HY-WDC2E Anemometer
1 pcs
4m communication cable with watertight plug
1 pcs
User Manual
1 pcs

The Ultrasonic Wind speed and Wind direction sensor
The Ultrasonic 2D Compact Anemometer
Hongyuv Technologies Co.,Ltd Tel: [phone] Fax: [phone] Email: [e-mail] Website: www.hongyuv.com
6 PACKING NOTICE
By keeping HY-WDC2E well positioned in ex-work package when it’s being transferred
to protect it from any potential damage.
7 APPERANCE SKETCH
7.1 Metal Shell
North marker”△” on the top help you align unit toward to north
It’s zero direction for the anemometer.

The Ultrasonic Wind speed and Wind direction sensor
The Ultrasonic 2D Compact Anemometer
Hongyuv Technologies Co.,Ltd Tel: [phone] Fax: [phone] Email: [e-mail] Website: www.hongyuv.com
7.2 ABS Shell
There has three north markers on ABS shell for easy observation from downward,
front upward.
”
△”on the top should be pointed toward to north,
I
it’s zero direction for the anemometer.
”
Raised oblong north marker
S
should be pointed toward to north
I
Gap on bottom south marker should be pointed to south
I

The Ultrasonic Wind speed and Wind direction sensor
The Ultrasonic 2D Compact Anemometer
Hongyuv Technologies Co.,Ltd Tel: [phone] Fax: [phone] Email: [e-mail] Website: www.hongyuv.com
8 WIRING
For RS485 output, communication cable is four cores, connected as below:
POWER
RS485
Red
Black
Yellow
Green
V＋
GND
RS485 DA+
RS485 DB-
For RS232 output, communication cable is four cores, connected as below:
POWER
RS232
Red
Black
Yellow
Green
V＋
GND + RS232 GND
RS232 RX
RS232 TX
For SDI-12 output, communication cable is three cores, connected as below:
POWER
SDI-12
Red
Black
Yellow
Green
V＋
GND
_
SDI-12
Note:
1.Default output is RS485.
2.Final definition of cable wiring should be referred to sticker on cable.

The Ultrasonic Wind speed and Wind direction sensor
The Ultrasonic 2D Compact Anemometer
Hongyuv Technologies Co.,Ltd Tel: [phone] Fax: [phone] Email: [e-mail] Website: www.hongyuv.com
9 INSTALLATION GUIDELINES
9.1 The HY-WDC2E can be mounted on top mast posts, poles, tripods, etc.
Depending on the application. Pole should have three 3 equally spaced
holes for M5 screw 7.5mm lower than top of pole, put cable(waterproof
aerial plug) through pole. HY-WDC2E should be mounted two to three
meters above ground.
Note: The user must have proper stress relief on the cable. Turn the plug and
press it gently into the socket to connect the plug to the HY-WDC2E outlet.
When the plug is connected, turn the outer sleeve clockwise and lock the
plug. With 3 stainless steel screws, the HY-WDC2E can be fixed to the
mounting pipe (the screw has a maximum installed torque of 4Nm).
（refer to picture on the bottom）
Orientation: Use a standard compass to find correct geographic north direction
then align north marker to it, then fix anemometer
.
9.2 You will need to adjust the anemometer so that it is level. Use a bubble

The Ultrasonic Wind speed and Wind direction sensor
The Ultrasonic 2D Compact Anemometer
Hongyuv Technologies Co.,Ltd Tel: [phone] Fax: [phone] Email: [e-mail] Website: www.hongyuv.com
level or other leveling device to ensure the anemometer is level (leveling
device not included).
9.3 Customers must ensure that the HY-WDC2E is installed in an open area
so as to avoid obstacles to airflow or turbulence in the surrounding buildings.
Do not install HY-WDC2E on the side of a high power radar or radio
transmitter.
10、Optional installation pole(Optional component with extra cost)
In order to facilitate the installation for users, we specially customized a cast
aluminum bracket for users’ option, installation way and installed pictures as
follows:

The Ultrasonic Wind speed and Wind direction sensor
The Ultrasonic 2D Compact Anemometer
Hongyuv Technologies Co.,Ltd Tel: [phone] Fax: [phone] Email: [e-mail] Website: www.hongyuv.com
11 CLEANING
If there is any build up of deposit on the unit, it should be gently cleaned with a
cloth moistened with soft detergent. Solvents should not be used, and care
should be taken to avoid scratching any surfaces. The unit must be allowed to
defrost naturally after being exposed to snow or icy conditions, do NOT attempt
to remove ice or snow with a tool.
12 AFTER-SALE SERVICE
There are no moving parts or user-serviceable parts requiring routine maintenance.
Opening the unit or breaking the security seal will void the warranty and the calibration.
In the event of failure, prior to returning the unit to your authorised HongYuv distributor, it is
recommended that:
1. All cables and connectors are checked for continuity, bad contacts, corrosion etc.
2. You contact your supplier for advice
If you ever need assistance with your HY-WDC2E or have any questions or feedback, there are
several ways to contact us. HongYuv has customer service representatives available to speak
with you Monday through Friday, between 9 am and 6 pm UTC+8 time.
Note: If you purchased your anemometer through a distributor, please
Contact them for assistance.
Email: [e-mail] or [email protected]
13 Calibration
The anemometer calibration is based on fundamental physical principles and does
not change with use. Recalibration should therefore not be necessary.
14 INSTRUMENT RETURN
If the instrument needs to be returned, please carefully pack the instrument in the
original package and deliver it to the authorized agent of the Hongyuv with the
detailed explanation of malfunction.
15、COMMUNICATION PROTOCOL
Ex-work default communication protocol is NMEA-0183. If you have special
requirements, you can contact us.

The Ultrasonic Wind speed and Wind direction sensor
The Ultrasonic 2D Compact Anemometer
Hongyuv Technologies Co.,Ltd Tel: [phone] Fax: [phone] Email: [e-mail] Website: www.hongyuv.com
Communication Protocol
NMEA-0183
1 Physical port definition
Start bit——1bit
Stop bit——1bit
Data bit——8bits
Check bit——none
Baud rate——9600bps
2 Data-frame format(ASCII)
$WIMWV,180,R,0.01,M,A*06<CR><LF>
Appendix.Checksum
unsigned char NMEA_CheckSum(unsigned char *pStr,unsigned int DStrlen)
{
unsigned char ChkSum = 0;
unsigned int i=0;
while(DStrlen--)
{
ChkSum ^= pStr[i];
i++;
}
return ChkSum;
}
CRLF 0x0D 0x0A
Checksum,between“$”and“*”
Bitwise XOR of all
characters(excluding these two
characters B
i
t
w
i
s
e
X
O
R
o
f
a
l
l
c
h
a
r
a
c
t
e
r
s
(
e
x
c
l
u
d
i
n
g
t
h
e
s
e
t
w
o
c
h
a
Unit
K=km/h
M=m/s
N=knots
Wind speed，0~60 m/s
R relative wind speed
T actual wind speed
Wind direction，0~359°
Fixed frame header