SATO KEIRYOKI 7790-00 Instruction Manual Download Page 12 | Manualshive

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（９２９－１６２）

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W611

Synchro-motor

red

yellow

blue

white

black

yellow

orange

earth terminal

generator

red

yellow

blue

white

black

terminal block

terminal block

propeller

tail

brush and
slip ring

To bearings of
propeller and tail

Mark

Surge absorber

WIND SPEED AND DIRECTION SENSOR

9 3 0 - 0 9 7

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Summary of Contents for 7790-00

Page 1: ...Instruction Manual No 7790 00 Wind Speed and Direction Indicator Scale range 2 to 70 m s 16 cardinal points 3 4 Kanda kajicho Chiyoda ku Tokyo 101 0045 Japan URL http www sksato co jp english EW J15004 ...

Page 2: ... Synchro motor in use of 220VAC 2 Starting speed less than 2 m s 3 Withstand speed 108 m s 4 Wind speed Output 45VAC 1V no load at 60 m s Output Impedance About 600ohm 5 Operating ambient 20 to 50 no freeze at axial section 2 Indicator 1 Wind speed indicator a Type Rectifying Voltmeter b Dimensions 120 mm 110 mm c Scale 2 to 70 m s Min Scale 1 m s 2 Wind direction indicator a Type AC Synchro motor...

Page 3: ...ment 2 A lightning rod is attached to minimize the danger of lightning damage However note that this may not always protect the unit from lightning 3 Select a level and open area to set up a pole 10m above the ground Put a distance between the location and any obstructions at least 10 times the height of the obstructions If you have trouble finding such an area select a place as close to the condi...

Page 4: ...it 3 Lead a line through the ground cable penetration piece into the terminal box 4 After connection secure the clamp screw by turning it clockwise This tightened screw clamps the cable by compression of the rubber packing to seal the space against rain water If a thin cable leaves spaces pack the spaces with putty or similar material to keep out water 5 Installing the Indicator Select an installa...

Page 5: ... in case of a large surge voltage Check the movement of the pointers of indicator after lightning 2 To detect such a failure early it is useful to remember how to physically measure wind speed by comparing wind pressure on your body with indicated values and speed of the propeller at usual low wind speed 3 This indicator should be inspected every 4 to 5 years as well as the sensor unit Trouble sho...

Page 6: ...ot properly connected Risk of electrical shock 3 The synchro motor secondly portion is three phase winding wires Two wires are broken among them 2 The pointer suddenly moves with wide scale at certain point 1 Check the terminal 3 4 and 5 of the cable between sensor and indicator One of them is not properly connected 2 A winding wire of synchro motor secondly portion of the sensor unit or indicator...

Page 7: ...If you rotate the propeller and there is voltage it is OK If not the problem is with the generator s wiring or with bad slip ring connection With the slip rings by rotating the tail and measuring output you can find the trouble spot To check the wind speed output use a tachometer on the propeller pivot Correct rpm and output are as follows Wind Speed RPM Output at 5 m s 235 rpm approx 3 4VAC at 10...

Page 8: ...e value between terminals with a tester Switch tester range to resistance range Synchro motor secondary portion Terminal No 3 and 4 about 260ohm No 3 and 5 about 260ohm No 4 and 5 about 260ohm Synchro motor primary portion Terminal No 6 and 7 about 150ohm Normal if resistance values between terminals are near the values given above 2 When the tail s movement is dull and slow The ball bearing is wo...

Page 9: ...propeller with the shaft 2 Secure the propeller fixing screw into the shaft after fully turning lock screws Tightening torque 14kg cm to18kg cm 3 In order to avoid falling the propeller while rotating be sure to secure with fixing screws and fasten the lock screw rotate it by an angle of about 30 after spring washer was stringed 4 Recommend to use a driver whose grip is 24mm dia or more to securel...

Page 10: ... hole 12 4 14 9 Position 120 degree N mark S mark Terminal for earth BS Nickel plating Lid of terminal box Polycarbonate resin Propeller Polycarbonate resin Grand 25 PBT resin Stand Polycarbonate resin Body Polycarbonate resin Tail Glass polyester resin Name Materials ...

Page 11: ...10 UP Ventilation hole rear Power switch Fuse holder Switch for wind speed Rubber feet Terminal M3 screw Indicator ...

Page 12: ... ＲＺＶ１０Ｄ６８１ＥＲＺＶ１０Ｄ６８１９２９１６２Ｓ１Ｓ２Ｓ３Ｒ１Ｒ２Ｗ６１１Ｚ３ＥＲＺＶ１０Ｄ４７１ＥＲＺＶ１０Ｄ２２１ＥＲＺＶ１０Ｄ２２１ＥＲＺＶ１０Ｄ２２１ W611 Synchro motor red yellow blue white black yellow orange earth terminal generator red yellow blue white black terminal block terminal block propeller tail brush and slip ring To bearings of propeller and tail Mark Surge absorber WIND SPEED AND...

Page 13: ...Indicator １１２２３３４４５５６６７７８８８２ＵＶＥＡＲＴＨＥＡＲＴＨＳ２Ｓ１ＦＴＲＤＣＶＺ１Ｚ２ＳＭＳＭＧＰ９６００６５１００Ｖ T Transformer AD21R 050A Z1 Z2 Surge absorber 100 VAC use S2 Switch for Wind speed S1 Power Switch F Fuse 1A V Voltmeter for Wind speed indicator SM Synchro motor for wind direction G AC generator for Wind Speed Mark Name Remarks ...

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