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2. SPECIFICATIONS

2.1. Antenna Unit

Parameter

Descriptions

Remarks

Unit name

WR2120-ATU

Operating Frequency

9.4 GHz band

Carrier Frequency

Maximum range

70 km

Displayable observation range: 70 km

Doppler measurement

Max.

64m/sec

Power supply

100 to 240VAC, Single Phase,
50/60 Hz

Size

Φ980mm×H1068mm

Radome size

Weight

68 kg (149.9 lb.)

Weight of radome only: Upper 15 kg,
Bottom 11 kg(incl. 12 pcs of M10x35
bolt)
Weight of radar only: 42 kg

Operating Temperature

-10 to +50 °C

Humidity 93% without condensation

Storage Temperature

-40 to +70 °C

Water & Dust proof

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 %

Pulse Width

Below 50 μs

Pulse Repetition
Frequency

Below 2000 Hz

Frequency Shift

Below 4 MHz

Except P0N

Antenna Type

Gregorian

Refer to Figure 1.2

Aperture Size

Φ750 mm

Antenna Gain

more than 33.0 dBi

Antenna Polarity

Dual polarimetric

Horizontal, Vertical

Beam Width

2.7 degree

Pencil beam

AZ Rotation Speed

0.5 to 16 rpm

Adjustable

Horizontal Scan Angle

360 degrees

Continuously-rotating

Vertical Scan Angle

-2 to 182 degrees

Adjustable

Resolution of Angle

0.1 degrees

Precision of Angle

0.2 degrees

*1 P0N : Sequence of pulses without modulation.
*2 Q0N : Sequence of pulses, frequency modulation within each pulse.
*3 V0N : Combination of P0N and Q0N.

Содержание WR2120

Страница 1: ...INSTALLATION MANUAL WEATHER RADAR MODEL WR2120 www furuno com...

Страница 2: ...is 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 this measure...

Страница 3: ...ces only protect against indirect lightning and surges to the radar components In case of a direct lightning strike these protection devices may not protect radar or surrounding personnel Install the...

Страница 4: ...and others will be shipped by air or sea from Japan to overseas A person who is in charge of installing radar has to keep a packing list in safe because it is written serial number of each unit ATU S...

Страница 5: ...ion Material list 13 3 PRIOR CONFIRMATION 15 3 1 Confirmation Items 15 3 2 Power Equipment 15 3 3 Measurements 16 3 4 Network communication cable 16 3 5 Precautionary item 16 4 CONSTRUCTION 17 Require...

Страница 6: ...t 43 5 3 6 Conclusion 45 6 OUTLINE DRAWING 46 7 SYSTEM DIAGRAM 50 APPENDIX 51 A LIGHTNING PROTECTION ASSESSMENT 51 A 1 Introduction 51 A 2 Risk Assessment 51 A 2 1 Evaluate the need of protection 51 A...

Страница 7: ...band radars X is derived from the XX2 secret band It uses smaller wavelength is more sensitive and can detect smaller particles It operates on 2 5 4 cm wavelength and a frequency of 8 12 GHz These ra...

Страница 8: ...enna 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 amplitud...

Страница 9: ...radar System 1 4 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 radar sys...

Страница 10: ...e horizontal axis on the rectangular coordinate graph corresponds to the circles on the polar coordinate graph The vertical axis on the rectangular coordinate graph corresponds to the rotating axis ra...

Страница 11: ...educing the range resolution of the radar Side lobe suppression is helping to eliminate the problem For a radar pulse signal after compression the narrower pulse main lobe is always accompanied by hig...

Страница 12: ...he 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 a...

Страница 13: ...ck cabinet 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...

Страница 14: ...rge 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 Uninterrupted Power S...

Страница 15: ...d 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 Pulse Width Below 50 s Pulse Repetition Frequency B...

Страница 16: ...f signal returns from lan Clutter suppression Interface LAN 1 port Ethernet 1000 Base T Cat5e STP or better Power supply 100 to 240VAC Single Phase 50 60 Hz Power consumption Max 650W include Antenna...

Страница 17: ...an EV2216W Z 22 inch 1680x1050 display Incl DVI cable AC Power cord Socket IEC C13 Plug Type B USB LAN Adapter 1000base T Ethernet adapter to USB3 0 Others PC mouse and US keyboard Display Software Fo...

Страница 18: ...Coaxial cable 3D 2V SMA P Connector 3 coaxial cables in one combined cable with shield mesh 5m 1 1 Protective tube Tube conduit Inner diameter 28 mm Flexible PV polyvinyl chloride tube IP65 30m 2 1 T...

Страница 19: ...be connector for secure water proof of SPU If it needs to extend protective tube by jointing other protective tube it should use weather proof silicon to glue the joint part Note Mostly it will be nec...

Страница 20: ...e Exclusive Philips Screwdriver 1 Multiuse Philips Screwdriver 2 Multiuse Slotted Screwdriver 3mm Multiuse Cable Wire cutting scissors Multiuse Flat nippers Multiuse Wire Strippers For electric wiring...

Страница 21: ...body especially the eyes Furthermore DO NOT points the antenna at any individuals closer than noted below while transmitting 2 As shown in Installation manual preface warnings Table on page i Radio Fr...

Страница 22: ...o use outdoor fiber optic cable to maintain a network speed and stability Refer to the Appendix B for more information 3 5 Precautionary item 1 Use only single phase 100 240VAC local power supply 2 DO...

Страница 23: ...rability to support a radar stand 4 The radar stand must be considered not to fall down in strong wind or earthquake 5 Keep strictly checking the safe distance when deciding the height of the radar st...

Страница 24: ...g every parts in SPU 4 1 2 Standard radar stand The radar stand needs a structure as shown in Table 4 1 according to its height The height instead of the scaffold is as shown in Figure 4 3 from the wo...

Страница 25: ...ossible to do direct ATU from the work plane The scaffold should be able to store for safety in case this height may hit to the people Be aware not to make the scaffold too wide because it will be hea...

Страница 26: ...ast one place where the service engineer can go through However do not set it on the cable introduction side of ATU Because there is a cable protection tube The scaffold may not need to fold if there...

Страница 27: ...ecommended to be rustproofed iron Scaffolding is recommended to set two different heights that assuming to maintain the inter parts of the radome or a case of removing the upper radome ATU mounting br...

Страница 28: ...e Height 1650 mm Standing position of scaffold when lifting up the upper radome Required height when lifting up the upper radome Height is different as Figure 4 6 It recommends 400mm depth if using st...

Страница 29: ...radome top high enough to check the position of antenna and rotate the antenna elevation upward by holding the counter weight arm by hand if it is facing horizontally Use some pillows or lumber under...

Страница 30: ...Turn too much handles may damage radome base 4 Hold handles to lift up the internal unit Beware the antenna feed arm can easy to damage or break Any deformation of the antenna arm can cause functional...

Страница 31: ...internal unit may be damage while lifting Turn the lifting fixture outward by slightly loosening M16 nut And fasten M16 nut before hoisting the ATU Use a soft protective cover to shield radome for pr...

Страница 32: ...ble must be in the center between lines If the bubble is on the line or over the line it means the angle is over 0 3 degrees The level adjustment will be completed after all M16 nuts are tightened 500...

Страница 33: ...L and 3 radar stand should not have any gap when tightening the 4 nut NG OK Caution Do not tighten 4 nut before 1 nut and 2 Flat washer touch firmly to 3 Radar stand Otherwise the chassis of the anten...

Страница 34: ...u hole on radome base with nut insert on upper radome 3 Insert threaded bolts with nut setup 10mm from the end into each thru hole from bottom radome to upper radome nut insert 4 Lift up the upper rad...

Страница 35: ...ighten it 2 Lift up the upper radome around 10mm and rotate it counterclockwise 10 degrees 12pcs M10 bolts tip will fit in to the recess holes of upper radome The nut insert can be seen from the thru...

Страница 36: ...ten the spring clamp around the center of bolt as shown below 4 Insert each threaded bolt thru holes from the bottom radome to fix them by the nut inserts by hands Figure 4 17 Example using 8 bolts 10...

Страница 37: ...per 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 upp...

Страница 38: ...asket when fasten the spring clamps Use the spring clamp properly as examples shown below Bad examples Figure 4 20 Space between spring clamp and radome base flange Figure 4 19 Spring clamp is incline...

Страница 39: ...ust proof product IP55 when appropriately connecting with the protective tube 1 2 3 Note Tighten up the disuse tube connector with a cap inside to secure waterproof of radome Protecting tube OK NG Do...

Страница 40: ...AC Power cable LAN cable Control HDR cable x2 Protective Tube A2 Signal cable Coaxial x3 set 1 Attach cables tightly using cable ties while leaving extra cable length for strain relief at all connecti...

Страница 41: ...tween ATU SPU DPU for adjusting the length of protective tube Signal Processing Unit 4 3 1 Fix SPU on the ground or fixed channel base using M10 bolt and nut x4pcs 2 SPU condition at delivery 12xM10 S...

Страница 42: ...n to NS COM connector and control cable HDR 26pin to CONT SIG connector 3 Fix with the torque wrench Tighten a connector nut until the head of torque wrench bend a little after connecting 2 signal cab...

Страница 43: ...2 2 7A 200 240VAC 8 This air conditioner is for cooling SPU when the temperature goes to the setting degrees or higher The way of checking temperature of setting is shown below 1 Press Set button to i...

Страница 44: ...art RainMap operation 2 Press Alt Ctrl click Renew A threshold for adjusting the radar A threshold It will take approx 10 minutes to complete Refer to the Operator s manual for detail Setup Data Proce...

Страница 45: ...lator during the sunny weather around noon Refer to section 5 3 Magnetic Compass 5 1 Determine actual radar antenna azimuth Refer to the orientation diagram below using magnetic compass Then enter Azi...

Страница 46: ...menu 5 Select 4 on Pulse set in the TX menu Pulse No Range km Reso lution Pulse No Range km Reso lution 1 30 75 5 50 75 150 2 30 150 6 30 300 3 50 150 7 50 300 4 70 150 8 70 300 6 Setup Scan as below...

Страница 47: ...e side in the sun direction Right Figure 5 2 is an image of sun path There are some exception area where comes the polar night However refer this image to use the solar positioning simulator 5 3 1 DPU...

Страница 48: ...tensity 6 Graph of Solar_Azimuthal_Angle and Solar_ Elevation_Angle will be calculated in the value of the solar altitude and azimuth during observed time 7 It determines the precise antenna position...

Страница 49: ...VI Deviation elevation analysis and adjustment VII Confirm that elevation deviation is revised by Sector RHI VIII Turn OFF the Sector Blank to all direction and restore observation setting to the ori...

Страница 50: ...4 for instructions Solar radiation spectrum has difficulty to check when sun is blocked by clouds or position of sun is poor during scan 7 Add the average values to the following setup value Go to ste...

Страница 51: ...thms of the solar position The accuracy of this algorithm on longitude is 72 degrees of range within 0 0167 degrees However accuracy depends on atmospheric temperature pressure and humidity Therefore...

Страница 52: ...46 6 OUTLINE DRAWING 1 Antenna Unit...

Страница 53: ...47 2 Signal Processing Unit...

Страница 54: ...48 3 Data Processing Unit...

Страница 55: ...49 4 Data Processing Unit Power Supply...

Страница 56: ...FG MONI CON TB2 1 3 TB1 AC100 240V Black White Green L N E AC IN Network Router 2 RJ45 AC IN DVI DC IN USB USB USB3 0 USB3 0 Keyboard AC IN HDMI MONI CON Silver RJ45 USB3 0 RJ45 RJ45 1 Power strip Bre...

Страница 57: ...ents 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 risk R with the tolerable value If R x...

Страница 58: ...e 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 values of risk co...

Страница 59: ...ternal systems immediately endanger human life 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 structu...

Страница 60: ...ts 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 length L width W a...

Страница 61: ...lative amount of a particular type of damage for one dangerous event caused by a lightning flash considering both its extent and effects The loss value varies the type of loss considered the weather r...

Страница 62: ...weather radar is not protected by existing lightning rods Total risk value is exceeded of the tolerable risk value We ll propose solution for this later protecting the radar by additional lightning r...

Страница 63: ...3 LPL Probability for min value Minimum peak current kA Probability for max value Minimum peak current kA Rolling sphere radius m I 0 99 3 0 99 200 20 II 0 97 5 0 98 150 30 III 0 91 10 0 95 100 45 IV...

Страница 64: ...g rod to protect the radar but it is insufficient due to some restrictions Now it has to consider how to adapt the LPL by extending the lightning rod As shown in Table A 8 it needs to extend the rod a...

Страница 65: ...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 enough for protec...

Страница 66: ...lightly narrower as 45 Because these specifications were old they did not take height in consideration Also the protection area was too large and therefore not safe enough even within the protection a...

Страница 67: ...ection efficiency Rolling sphere method Protection angle method height h Mesh method m Radius m See below I 0 98 20 5 II 0 95 30 10 III 0 9 45 15 IV 0 8 60 20 Applicable only to rolling sphere and mes...

Страница 68: ...Domain Name System and it translates the web address into an actual public IP It can be displayed by using the command prompt start run type cmd exe and type ping for the web address At first there i...

Страница 69: ...Both sides of connectors have to be the same order Pin Color 1 Yellow White 2 Yellow 3 Green White 4 Blue 5 Blue White 6 Green 7 Brown White 8 Brown Note STP shielded twist pair is required which is s...

Страница 70: ...Black Black Brown N White White White or Gray Blue GND FG Green Yellow Red Terminal Green Green Green Yellow Figure D 1 IEC60320 C13 to Type B Figure D 3 DPU PS outlet IEC60320 C14 Notice Use the suit...

Страница 71: ...ware Note Operator 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 13 or newer 3...

Страница 72: ...tcut is on Desktop and Startup 2 RainPlay Shortcut is on Desktop 3 Solar Position Simulator List in Start menu 4 Antenna Position Analysis List in Start menu 5 WR_notice Shortcut is on Desktop 6 WR_tr...

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