WSS and WSS-L Data Sheet
Contents
1. power in control gt Wind sensor type WSS and WSS L DATA SHEET Static sensor Extreme temperatures e No moving parts e WSS operates down to 52 C e High precision ultrasonic measurements e WSS L is not recommended below 0 C e Both operates to 60 C High resolution e Wind direction 1 Heating element e wind speed 0 1 knot e WSS has built in automatically activated heating element to prevent ice Approval l GL DNV CCS RS GOST R Wide power supply range e Nominal 12V DC or 24V DC supply voltage Robust design Interface e Sea water proof housing e RS485 I O using NMEA 0183 data protocol for e Vibration tested up to 2 3g direct connection to WSDI 2 wind display VDR l voyage data recorder or Dynamic Positioning Watertight System According to IP66 os w DEIF A S Frisenborgvej 33 DK 7800 Skive Tel 45 9614 9614 Fax 45 9614 9615 info deif com www deif com Document no 4921250059D Data sheet Technology DEIF Static Wind Sensor Technology uses ultrasound to determine horizontal wind speed and direction The WSS and WSS L sensors have no moving parts so they are free from the challenges posed by conventional mechanical wind sensors friction inertia time constant over speeding starting threshold The unique triangular design of the sensor array assures accurate measurement of wind from all directions The WSS sensor is automatically heated when used in cold2. climates Finally WSS WSS L sensors are maintenance free and do not require field calibration Versions The wind sensor is available in two versions WSS with built in heating element to prevent ice WSS L without heating Applications WSS WSS L are classified for residential commercial and light industry plus industrial environment The WSS sensor can be used in almost any conditions where the WSS L is only specified down to 0 C but it will work far below that temperature as long as ice or snow is not covering the sensor elements or obstructing the sight between the elements The WSS L should only be used in relatively warm geographic areas or in applications where wind data is mainly for information and not critical for operation or safety The WSS or WSS L can be directly connected to the DEIF WSDI 2 display forming a superb wind system Alternatively it can be used with the former display WSDI which required a WSI interface box It forms part of the WSS upgrade kit used to replace the old DEIF 879 dynamic wind sensor Finally WSS or WSS L can be used as precise stand alone wind sensors in a system e g a DP system Housing The WSS is designed to withstand the hostile environment onboard a ship The 1 stainless steel mounting rod with standard pipe thread makes the mounting easy and secures good earth connection through the hull of the ship Interface The WSS WSS L has a RS485 two wa
3. GL DNV CCS RS and Approvals Type approved according to GOST R Page 3 of 5 Housing D u TN 5 Data sheet Wind Sensor Static WSS WSS L Accessories IP66 Connection box kit IP66 Connection box w cable glands and screw terminals to extend the sensor cable with an extension cable IP67 Connector kit water tight male and female connector for soldering to respectively the sensor cable and the extension cable Extension cable 1 to 300 meters 4x0 75mm shielded cable 1m steps DEIF id no 1020230016 Bird avoidance kit Spike kit to prevent birds from interrupting the wind measurements or in worst case from damaging the sensor Labels Product label sy oposa DEIF logo Bar code item number Terminals and function cable colours and function Cable colour Supply voltage DC supply voltage for the wind sensor P Red RS485 comm Wind speed and direction data output B S Shield Electrical shielding of data signal See warning below Optional IMPORTANT IMPORTANT The stainless steel mounting base on the The data bus must be terminated with a WSS WSS L must be connected to the ship s resistor see technical spec above to metal hull or another good ground connection secure stable operation DEIF A S Page 4 of 5 Data sheet Wind Sensor Static WSS WSS L Unit dimensions WSS and WSS L All dimensions in mm 3 3
4. er gt 68KTS 5 Range 0 360 continuously Resolution ir Accuracy 3 in relation to wind direction Pe a es Power consumption Interface Data sentence NMEA 0183 ver 3 0 Wind speed Wind direction Update interval Start up time lt 5 sec from power on to valid data output 2 meter 4 x 0 75mm screened cable type UL2464 Connection 18AW G 4C DW AL MY Jacket The 2m cable is fixed mounted on the sensor and is open ended Mounting Ys pipe thread Outer diam 1 04 inch 26 4mm 14 threads per inch OMPA AE 0 2 meter 8 inch IEC 945 and EN 60945 distance Protection IP66 IES 529 and EN 60529 Relative humidity 0 100 EN IEC 60068 1 2 Pressure 600 1100hPa S WSS operating range 52 60 C class approved for 25 60 C WSS L operating range 0 60 C see note Temperature Storage both 60 70 C EN 60051 Note WSS L has no automatic heating element to prevent ice the sensor will work below 0 C but it will depend on weather conditions 3 13 2HZz 2mm peak peak ENN 60349 13 9 400HZ 07 EN IEC60068 2 6 and Vibration test a b DNV Class A 3 15HZz 2 5mm peak 15 50Hz 2 30 GL curve 4 for masts Safety Cat lll poll dg 2 550VAC rms 50Hz 1 minute EN 61010 1 EMC CE marked for industrial environment EN 61000 1 1 2 3 4 Wind sensor housing Polycarbonate 10 glass fibre Mounting tap Corrosion resistant stainless steel UL94 VO Weight O08 Kg Dimensions l
5. pipe thread Outer diam 1 04 inch 26 4mm 14 threads per inch Order specifications Examples WSS WSS L upgrade kit Example ordering a wind system example WSDI 2 FWD WSS Connector box kit Extension cable 80 meter Due to our continuous development we reserve the right to supply equipment which may vary from the described DEIF A S Frisenborgvej 33 DEIF DK 7800 Skive Denmark Tel 45 9614 9614 Fax 45 9614 9615 E mail deif deif com URL www deif com power in control
6. surements or damaging the ultrasound elements WSS shielded extension cable variable length from 1 to 300 meters IP67 connector kit for use with extension cable for soldering IP66 connection box kit for use with extension cable Page 2 of 5 Data sheet Wind Sensor Static WSS Technical specifications Sensors are designed according to the standards below Standards 12V or 24V DC ower Supp 9 0 31 2V DC WSS L and WSS with inactive heating element lt 0 1W WSS with maximum heating lt 15W RS485 bus I O The bus should be terminated with 120 to 200 ohm for pure RS485 operation Combined RS485 I O and NMEA0183 I operation A combination of up to ten RS485 I O and one NMEA0183 listeners can be connected to the WSS data interface at the same time NMEA 0183 ver 2 x 3 0 The data line must be terminated with a 200 to 250 ohm resistor to obtain gt 2 1V output necessary for a standard NMEA0183 input circuit to work The NMEA0183 input load must be lt 2mA 2V NOTE A NMEA buffer is recommended if connection of more than one standard NMEA input is needed NMEA0183 WIMWV Wind speed and direction data WIXDR Transducer Measurement Response WITXT Error messaging For details see the Appendix to User s Manual Wind measuring system document no 4189350028 Range 0 116 KTS 0 60m s Resolution 0 1 Knots Accuracy 0 68 KTS 0 6 KTS or 3 whichever is great
7. y interface with communication following the NMEA 0183 protocol Supply The WSS can be supplied from a DC supply of nominal 12 24V DC Cable The WSS is connected with a single 4 x 0 75mm screened cable Cable extension can be made by a standard 4 x 0 75mm screened cable e g UL2464 18AWG4C AE length max 300 metres the capacity between each signal conductors should not excide 7OnF Twisted pair is recommended see options DEIF A S Wind Sensor Static WSS WSS L Error flag The WSS WSS L continuously evaluates the measurements and if obstructions or incorrect measurements are detected an invalid flag is set in the NMEA0183 message to indicate that data is invalid and should not be used This could be caused by a bird landing on the sensor As soon as the disturbance disappears the flag will be cleared and valid measurements sent Customised setup Forming part of a normal wind system the WSS will not need any setup If the sensor is used for special applications there might be special needs for example storing data for automatic sensor alignment corrections Such special needs can often be accomplished by sending control commands to the sensor via the RS485 interface so please contact DEIF if you have special needs like this Option A VDR voyage data recorder can be connected directly to the RS485 port Bird avoidance option a needle cap to prevent birds from landing on the sensor disturbing the mea
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