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S2E-17-0209_IM_WR2120_C

1.2. Anatomy of Weather Radar

Antenna:

The main purpose of the antenna is to focus the transmitted power into a small pencil

beam and also to receive and collect the returned signal.

Radome:

Protects the antenna from high winds, dusts, and rain.

Sub reflector:

Directs the signal from the transmitter onto the antenna and also directs the return

signal from the antenna to the receiver.

Receiver

: Detects the signal returned from a target.

Transmitter

: Generates the microwave signal at the correct phase and amplitude. For X-band

weather radar, the wavelength of the signal is approximately 3cm.

Radome

Sub reflector

Receiver

Transmitter

Antenna

70km

Figure 1.2: Antenna Type

Types of Parabolic antenna -- Wikipedia

Содержание 9ZWWR2120

Страница 1: ...S2E 17 0209_IM_WR2120_C i INSTALLATION MANUAL MODEL WEATHER RADAR TYPE WR2120 www furuno com...

Страница 2: ...g NOTE This value is applied when radar is installed in a public space Value is defined as on human body surface over a 6 minute period with the flux density averaged from the measurement Moreover thi...

Страница 3: ...shock or defect of operation can occur When a thunderbolt is expected do not approach a system or do not touch a hand There is a possibility of receiving an electric shock A worker s safety is guaran...

Страница 4: ...Peripherals Equipment 15 4 PRECAUTIONARY ITEM 16 5 CONSTRUCTION 5 1 Antenna Unit 17 5 1 1 Method to divide the unit 17 5 1 2 Method of transport 19 5 1 3 Lifting tool 19 5 1 4 Mount the antenna unit 2...

Страница 5: ...more affordable for TV stations It operates on 4 8 cm wavelength and a frequency of 4 8 GHz It is best used for shorter range weather observation because the signal is more easily attenuated by dry w...

Страница 6: ...in Sub reflector Directs the signal from the transmitter onto the antenna and also directs the return signal from the antenna to the receiver Receiver Detects the signal returned from a target Transmi...

Страница 7: ...ees 1 4 Multi radar System The single X band weather radar can be difficult to avoid problems with blind areas due to buildings mountains or strong signal extinction by heavy rain Furuno provide multi...

Страница 8: ...ectangular coordinate graph corresponds to the rotating axis radius on the polar coordinate graph The measurement scales in the graphs can have linear as well as logarithmic steps Beam Width The angul...

Страница 9: ...higher side lobes So all pulse compression radars suffer from range side lobes which cause energy from strong reflections to leak into adjacent range cells High suppression of side lobes is not requi...

Страница 10: ...the radar and install the tower It is important to consider any additional space required for crane operation during installation or repair 3 Lightning protection and grounding considerations Provide...

Страница 11: ...DPU 10 Pseudo echo Set the sector blank to the obstacle direction nearby When transmitting in the direction of the obstacle some pseudo echoes will be indicated due to reflections therefore set the se...

Страница 12: ...or saving large amounts of data Use USB3 0 device type to transfer the data at high speed Recommendations include using a 6TB storage device to save around one half years data compressed UPS Uninterru...

Страница 13: ...roof IP55 Maximum wind survival 90 m sec Occupied Band Width Below 6 MHz Type of Emission P0N Q0N V0N Amplifier Solid state module Peak Power 100 W each Horizontal and Vertical Duty Ratio Up to 10 Pul...

Страница 14: ...odes PPI Volume scan PPI RHI Sector Scan also availiable Ground clutter Rejection Enable Data Correction Distance attenuation Rain attenuation Excessive Doppler velocity Suppression of signal returns...

Страница 15: ...W141 x D193x H91 mm Weight 2 5kg Temp range 0 to 50 C LAN Adapter 1000base T adapter Display Software For weather observation system Name RainMap RainPlay Data indication Rainfall intensity R mm h Ref...

Страница 16: ...xagon Bolt Material SUS304 4 M16 Large Flat Washer Material SUS304 4 M16x40mm High Nut Material SUS304 4 Lifting Tool Material SUS304 4 PXI Philips Screwdriver 1 1 SMA torque wrench 7mm 1 Accessories...

Страница 17: ...lon 6 6 w weather resistance 100mm 150mm Multi Crimp terminal 2sq 4 3 for electric cable Multi LAN connector RJ45 for LAN cable Multi Power cable 3 cores For electric supply Multi LAN cable 1000Base T...

Страница 18: ...pecially the eyes Furthermore DO NOT points the antenna at any individuals closer than noted below while transmitting As shown in Installation manual preface warnings Table on page i Radio Frequency R...

Страница 19: ...cally shut down the pc safely Some UPS can support by remote network Function Connecting with all devices to keep the power safe Output voltage More than 1 000VA Input voltage AC100 240V Single phase...

Страница 20: ...t with a wet hand 6 Connect ground conductor for equipment protection and electric shock prevention from lightning induction and ground leakage 7 Cleaning instructions Use dry soft cloth to wipe the s...

Страница 21: ...me high enough to check the position of antenna Because the antenna may hit the flange inside the top part of radome change the position of the antenna feed arm upward if it is facing horizontally Use...

Страница 22: ...Turn too much handles may damage radome base 4 Hold handles to lift up the internal unit Note Beware the antenna feed arm can easy to damage or break Any deformation of the antenna arm can cause func...

Страница 23: ...he lifting tool outward by slightly loosening M16 hex nut It might be easier to remove all under hex nut flat washer L regular flat washer split lock washer and hex nut before lifting the radome to in...

Страница 24: ...unt the antenna unit Example Using a frame type of radar stand to mount the Antenna Unit Use 4 M16 bolts to adjust level while installing the radar stand See Figure 5 2 500 500 Box connector mm M16 bo...

Страница 25: ...r 0 3 degrees The level adjustment will be completed after all M16 hex nuts are tightened Hex bolt Radome M16 Hex nut 3pcs High hex nut 1pc Split lock washer 2pcs Flat washer 5pcs Flat washer L 1pc Ra...

Страница 26: ...r L and 3 radar stand should not have any gap when tightening the 4 Hex nut NG OK Note for NG Do not tighten 4 hex nut before 1 hex nut and 2 Flat washer touch firmly to 3 Radar stand Otherwise the ch...

Страница 27: ...ce bolt 4 Insert the maintenance bolts into each thru hole from bottom radome up into top radome nut insert Lift up the radome top until M10 hex nut Step 3 contacts radome base 5 Attach a spring clamp...

Страница 28: ...lt can be replaced by putting the bolt in a smaller side of hole and tighten it 2 Lift up the radome slightly and rotate it counterclockwise around 30 degrees the fixed hex nut will fit in to the rece...

Страница 29: ...ake10 mm space from the end and fasten the spring clamp around the center of bolt as shown below M 4 Insert each maintenance bolt into thru hole from the bottom radome to fix them by the nut inserts S...

Страница 30: ...at top of the flange 7 Check antenna orientation If the antenna is facing at horizontal direction then rotate the antenna to a counter weight down to face up around at 90 degrees upward 8 Lift up the...

Страница 31: ...ng clamps Use the spring clamp properly as examples shown below Bad examples Aviod contact between the antenna feed arm and the radome internal flange when lifting radome top Figure 5 10 Antenna insid...

Страница 32: ...for protecting tube It is water and dust resistance product IP55 1 2 3 Note Tighten up the disuse box connector with a cap inside Protecting tube OK NG Do not use with uneven edges Gasket Gasket Cap...

Страница 33: ...able Control HDR cable x2 Protective Tube A2 Signal SMA cable x3 set 1 Attach cables tightly using cable ties while leaving extra cable length for strain relief at all connections 1 HDR cable 26 pin 2...

Страница 34: ...cs of M10x35 stopper hexagon Bolt These are using a dropout prevention fixed bolts 6 Protective tube connection Every location must have to measure a length in between ATU SPU DPU for adjusting the le...

Страница 35: ...the other side of LAN cable connect to DPU 3 Connect the cable of the Antenna Unit 1 Connect the AC power cables 3pin to the terminal base TB2 2 Connect and fix the control cable HDR 14pin connector...

Страница 36: ...through the SPU into near DPU 6 Activation test Turn ON the circuit breaker Follow the instruction to test it 7 Air conditioner temperature setting Setup the cooling temperature to 25 C 1 Press Set b...

Страница 37: ...and mouse to USB port 4 Connect LAN cable from ATU SPU module inside the ATU to LAN1 port 5 Connect LAN cable from MONI CON inside the ATU to USB port via bundled USB LAN adapter 6 Connect LAN cable f...

Страница 38: ...h Offset to 315 degrees when the origin of radar is as below image 1 Notice Ground clutter rejection must be OFF during this operation 1 Turn ON DPU power Enter User name as radar and password as rada...

Страница 39: ...setting menu of RainMap 7 Confirm echo after starting TX from Radar operation Purple observations indicate strong echoes that may be from mountains 8 Click STBY in Radar operation before making any c...

Страница 40: ...e and Antenna_position_analysis exe will install into DPU If software does not exist in DPU please contact Furuno directly for assistance 7 2 DPU Time Setting Set correct value for time zone time and...

Страница 41: ...re observed measured solar data points All data must be acquired using same scan mode 9 The solar vs antenna graph shows the Sector RHI upward elevation point plot peak in blue color and the downward...

Страница 42: ...imum altitude a Sector PPI Measure the azimuth of sun using Sector PPI Setup Sector PPI scan from scan setting as follows AZ rotation speed 0 5 AZ start angle Current solar azimuth angle of sun 15 deg...

Страница 43: ...er changed value of the AZ offset to north and Origin EL position offset correction Refer to the Operator s manual for operation 7 7 Uninstall the Software Follow the instruction below to uninstall th...

Страница 44: ...S2E 17 0209_IM_WR2120_C 2 8 OUTLINE DRAWING 1 Antenna Unit...

Страница 45: ...S2E 17 0209_IM_WR2120_C 3 2 Signal Processing Unit Storage box...

Страница 46: ...S2E 17 0209_IM_WR2120_C 4 4 Data Processing Unit...

Страница 47: ...S2E 17 0209_IM_WR2120_C 5 5 Data Processing Unit DPU Power Supply...

Страница 48: ...al power supply Internet connection UPS RJ45 RJ45 RJ45 1 Note All equipment in this frame except DPU incl keyboard is the local supply J1 J2 J3 J1 J2 J3 TX IF Rx IF V Rx IF H TX IF Rx IF V Rx IF H SMA...

Страница 49: ...S2E 17 0209_IM_WR2120_C 7 WR2120 Configuration...

Страница 50: ...l be taken Identification of the components which make up the risk Calculation of the identified risk components Calculation of the total risk R Identification of the tolerable risk Comparison of the...

Страница 51: ...d Identify the types of loss relevant to the structure For each type of loss identify and calculate the risk components RA RB RC RM RU RV RW RZ Structure protected Protection needed Calculate new valu...

Страница 52: ...failure of internal Component related to failure of internal systems caused by LEMP Loss of type L2 and L4 could occur in all cases along with type L1 in the case of structures with risk of explosion...

Страница 53: ...rom the upper parts of the structure touching it there and rotating around it Determination of the value of will be performed graphically or mathematically For an isolated rectangular structure with l...

Страница 54: ...y values proposed by the IEC The loss refers to the mean relative amount of a particular type of damage for one dangerous event caused by a lightning flash considering both its extent and effects The...

Страница 55: ...tructure characteristics Use the A 4 and the Table A 5 risk assessment result will be calculated The result is shown in the Table A 6 Therefore considering current condition the weather radar is not p...

Страница 56: ...he Figure A 3 Table A 7 Probability and rolling sphere radius for LPL IEC 62305 1 LPL Probability for min value Minimum peak current kA Probability for max value Minimum peak current kA Rolling sphere...

Страница 57: ...ed new lightning rod to protect the radar but it is insufficient due to some restrictions Now we are considering how to adapt the LPL by extending the lightning rod As shown in Table 8 we need to exte...

Страница 58: ...e new lightning rod for each LPL is shown in Table A 9 The length will be selected depending on the height limitation therefore it is better to use a longer one Unfortunately in this case it is not en...

Страница 59: ...aterials such as explosives flammable gas liquids and etc would be slightly narrower as 45 Because these specifications were old they did not take height in consideration Also the protection area was...

Страница 60: ...de of a building Protection level Protection efficiency Rolling sphere method Protection angle method height h Mesh method m Radius m See Figure 6 below I 0 98 20 5 II 0 95 30 10 III 0 9 45 15 IV 0 8...

Страница 61: ...telephone companies allow you to buy just one or some of these individual channels This is known as fractional T 1access T 1 Lines support speeds of 1 544 Mbps Fractional T 1 speeds are 64 Kbps per c...

Страница 62: ...ISP s Internet Service Provider that may make a separate contract to provide internet access with a suitable communication network DSL wireless fiber optic network etc A LAN Local Area Network setting...

Страница 63: ...same as marine products Maximum length of about 50 meters between switch and device is best to keep consistent data transfer For LAN cable lengths longer than 50 meters fiber optic cable with media co...

Страница 64: ...describes from APC Smart UPS 1500RM model General Power Parameters High Transfer V 265 Low Transfer V 196 Sensitivity High Nominal Output V 220 Audible Warning On Battery Server Shutdown Shutdown Sequ...

Страница 65: ...perator who wants to access by remote to the host TeamViewer must need the local TeamViewer with the same or newer version Moreover the host software must be installed version 12 or newer 3 After inst...

Страница 66: ...s manual 2 If TeamViewer icon is in the task bar click Exit Teamviewer to close the software 3 From the Start Menu select Control Panel 4 Under Programs click the Uninstall a Program link 5 Select th...

Страница 67: ...0209_IM_WR2120_C FURUNO ELECTRIC CO LTD 9 52 Ashihara cho Nishinomiya 662 8580 Japan Printed in Japan FURUNO Authorized Distributor Dealer All rights reserved Issued December 2018 Latest issued April...

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