METEOROLOGICAL INSTRUMENTS INSTRUCTIONS WIND MONITOR - SE MODEL 09101 R.M. YOUNG COMPANY 2801 AERO PARK DRIVE, TRAVERSE CITY, MICHIGAN 49686, USA TEL: (231) 946-3980 FAX: (231) 946-4772 WEB: www.youngusa.
MODEL 09101 WIND MONITOR - SE INTRODUCTION The Wind Monitor-SE combines the performance and durability of the standard Wind Monitor with an optically encoded direction transducer and serial data output capability. The wind speed sensor is a four blade helicoid propeller that turns a multipole magnet. Propeller rotation induces a variable frequency signal in a stationary coil. Slip rings and brushes are not used. The wind direction sensor is a durable molded vane.
Jumper setting summary: NCAR PROTOCOL DESCRIPTION J1 POSITION Continuous serial output Polled serial output 1 IN 1 OUT RMY protocol NCAR protocol NMEA protocol RMYT protocol 2 IN 2 IN 2 OUT 2 OUT 3 IN 3 OUT 3 IN 3 OUT 1200 baud 2400 baud 4800 baud 9600 baud 4 IN 4 IN 4 OUT 4 OUT 5 IN 5 OUT 5 IN 5 OUT Knots Miles per hour Kilometers per hour Meters per second 6 IN 6 IN 6 OUT 6 OUT 7 IN 7 OUT 7 IN 7 OUT DESCRIPTION J3 POSITION Calibrated 0-5 VDC output Serial RS-485 output LEFT RIGHT See wi
In bussed mode, commands without the “#” prefix or proper address are ignored. Properly addressed but otherwise invalid commands are responded to as follows: &aaNUc Undefined command &aaNCc Bad checksum &aaNOc Other error VOLTAGE OUTPUTS Where “aa” is the 09101 address in hex, 00-FF; “c” is a single character pseudo-checksum; and is the end-of-transmission character (ASCII 4).
CALIBRATION 1. REMOVE OLD BEARINGS a) Unscrew nose cone. Do not lose o-ring seal. b) Loosen set screw on magnet shaft collar and remove magnet. c) Slide propeller shaft out of nose cone assembly. d) Remove front bearing cap which covers front bearing. e) Remove front and rear bearings from nose cone assembly. Insert edge of a pocket knife under bearing flange and lift it out.
9. REPLACE MAIN HOUSING a) Position main housing over bearing rotor. Be careful to align indexing key inside main housing with slot in rotor. b) Turn direction-adjust thumbwheel until notch in coupling is away from front opening and aligned with ridge inside housing. Set screw in coupling should face the front opening. c) With coupling oriented, continue to push main housing onto bearing rotor until latch locks into place with a click. 10. ALIGN VANE a) Connect sensor to indicator.
CABLE & WIRING DIAGRAM 09101-90(G) Page 6
BEARING REPLACEMENT & POTENTIOMETER ADJUSTMENT 09101-90(G) Page 7
GENERAL ASSEMBLY & REPLACEMENT PARTS 09101-90(G) Page 8
Calibration Accessories Model 18802 Anemometer Drive Model 18112 Vane Angle Bench Stand Model 18331 Vane Torque Gauge Model 18212 Vane Angle Fixture-Tower Mount Model 18310 Propeller Torque Disc Model 18301 Vane Alignment Rod 09101-90(G) Page 9
YOUNG Calibration Accessories Model 18802 Anemometer Drive provides a convenient and accurate way to rotate an anemometer shaft at a known rate. The motor may be set to rotate clockwise or counter-clockwise at any rate between 200 and 15,000 RPM in 100 RPM increments. The LCD display is referenced to an accurate and stable quartz timebase. For completely portable operation, the unit can be operated on internal batteries. For extended operation, an AC wall adapter is included.
