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1 Scope of supply

䊳

OTT Pluvio

– Weighing precipitation gauge;

collecting area: 200 cm

; capacity: 400 mm of precipitation.

Consisting of: base plate with weighing mechanism, bucket support,

collecting bucket, and pipe housing. With SDI-12, RS-485, and USB

interfaces (for servicing purposes). Additional pulse outputs for amount

of precipitation and status information.

Optionally available with additional internal orifice rim heater.

– Installation accessory kit

(6 hexagon bolts M 8 x 30;

3 Phillips screws M 5 x 35

1 8-wire screw terminal strip;

1 6-wire screw terminal strip;

3 cable ties 140 x 3.6;

1 Jumper

1 open-ended wrench, size: 10/13

– USB cable

USB connector type A to USB connector type B, 3 m

– Operating Instructions

– Factory acceptance test (FAT) certificate

2 Order numbers

䊳

OTT Pluvio

70.030.002.9.0

䊳

OTT Pluvio

incl. internal orifice ring heater 70.030.001.9.0

For accessories and replacement parts, refer to Appendix E

Содержание Pluvio 2 S

Страница 1: ...English Operating Instructions Precipitation gauge OTT Pluvio2 S...

Страница 2: ...We reserve the right to make technical changes and improvements without notice...

Страница 3: ...esponses 29 6 1 Basic commands 29 6 2 Advanced SDI 12 commands 32 6 3 RS 485 command line mode ASCII text retrieval 35 7 Performing maintenance operations 36 7 1 Emptying the collecting bucket 36 7 2...

Страница 4: ...Optionally available with additional internal orifice rim heater Installation accessory kit 6 hexagon bolts M8 x 30 3 Phillips screws M5 x 35 1 8 wire screw terminal strip 1 6 wire screw terminal stri...

Страница 5: ...eds This is achieved by means of a high capacity collecting bucket the lack of a collection funnel as is typical for tipping buckets and the very robust design of the weighing mechanism A high precisi...

Страница 6: ...oad cell Status OTT Pluvio2 S since the last measured value sample The OTT Pluvio2 S provides the precipitation values using a resolution of 0 001 mm Individual response thresholds of 0 03 mm are appl...

Страница 7: ...totals Output delay Real time output RT Units mm h mm min inch h inch min Threshold 0 1 mm min 6 mm h Sampling interval required 1 minute Storing interval required 1 minute Note Larger sampling interv...

Страница 8: ...and 24 hours The datalogger must total the individual measured values using a summing function over the com plete storing interval Note Every interface polling resets the total measured value in the...

Страница 9: ...on in an external datalogger is not reasonable Output delay non real time output NRT Units mm inch Resolution 0 001mm 1mm 20 g Recommended sampling interval 1 minute with simultaneous sampling of the...

Страница 10: ...e and 24 hours Pulse status information This measured value corresponds to the current bucket level and additionally shows status information Moreover status information may be used as an alive signal...

Страница 11: ...ull up resistor as applicable 3 3 Graphic display of measured value output for different precipitation intensities Fig 3 Schematic display of measured value output for different precipitation values o...

Страница 12: ...blished automatically via two plug contacts and a connector block once the pipe housing is placed onto the base plate Only the orifice rim is heated to avoid unwanted losses caused by evaporation Ther...

Страница 13: ...2 com mand or via a separate power supply Thus the orifice rim heater may completely be switched OFF for example in summer In such case a message is shown in the Status Information response to the SDI...

Страница 14: ...ion Mode 4 Heater control system is operated based on precipitation events Once precipitation has started the heater control will be active for a preset after run time 1 1440 minutes and continuously...

Страница 15: ...d with a highly sensitive electronic weighing mechanism Only use the original packaging for transport Ensure the electrical mechanical and climatic specifications listed in the technical data are adhe...

Страница 16: ...tions To avoid damage to the OTT Pluvio2 S weighing mecha nism during installation Avoid heavy shocks and large forces acting on the load cell and the bracket for the bucket support for these items pl...

Страница 17: ...power supply 4 Cable length maximum 125 m Cable type unshielded low voltage cable Wire size 1 25 m 2 x 0 5 mm2 25 50 m 2 x 1 0 mm2 50 75 m 2 x 1 5 mm2 75 125 m 2 x 2 5 mm2 Calculation is based on outp...

Страница 18: ...mpty conduit pipe OTT Pluvio2 S with orifice rim heater As applicable pull additional connection cable for the orifice rim heater power supply into the empty conduit pipe In case the ground for the OT...

Страница 19: ...ove the pipe housing with collecting bucket and put it first aside Remove and open the inner carton consider the hints on the carton and remove the shaped foam part Remove the base plate from the inne...

Страница 20: ...cable shielding together and twist it For a stranded connection cable push ferrules onto the wires and crimp using crimping pliers Connect the cable to the supplied screw terminal strips included in...

Страница 21: ...r heater and precipitation gauge Method A separate supply for heater and precipitation gauge 12 24 VDC GND Heater GND Data GND Heating 24 VDC SDI 12 Data Data RS 485 RX A RS 485 A Data RS 485 RX B RS...

Страница 22: ...revent incorrect precipitation value output These may occur during heavy rapid temperature variations together with lateral solar irradiation on the southern hemisphere northwards Insert the six hexag...

Страница 23: ...section 10 mm2 to approx 25 30 cm Strip off approx 10 mm of the grounding cable insulation and connect to the earth terminal on the base plate underside For a stranded grounding cable push on ferrule...

Страница 24: ...tion In case of large adjustment travel pedestal is outside the vertical position for several degrees turn the opposite hexagon bolts counter clockwise as necessary Alternately tighten all hexagon bol...

Страница 25: ...ws included in polybag Take the collecting bucket out of the pipe housing and remove all shaped foam parts Align the collecting bucket and place it onto the bucket support taking into account the anti...

Страница 26: ...C add antifreeze for details refer to Chapter 7 2 Connect the free cable end of the connecting cable to the data collection device and the power supply When using a separate connecting cable for the...

Страница 27: ...tely seat on the base plate refer to the detail drawing in Fig 20 OTT Pluvio2 S with orifice rim heater Ensure that the sockets in the connection block are not contaminated Cover Red LED USB interface...

Страница 28: ...During this period the precipitation values are identified in the status information as not completely available yet Pipe housing Knurled bolt 3 x Fig 20 Fitting the pipe housing and tightening the kn...

Страница 29: ...possible at SDI 12 bus operation a sensor address aM aM1 atttn CR LF Start measurement a sensor address ttt time in seconds until the sensor has determined the measurement result OTT Pluvio2 S respon...

Страница 30: ...NRT Format as Bucket RT aD2 after aM aMC aC aCC a value7 value8 value9 CR LF Send data a sensor address value7 Temperature of load cell C pbb e 40 0 85 0 F pbbb e 40 0 185 0 value8 Heater status pbbb...

Страница 31: ...eight below minimum 512 A Weight above maximum 1024 A No weight calibration W warning A alarm When the OTT Pluvio2 S unit outputs other values than those indicated here several events have occurred si...

Страница 32: ...e temperature measured values aOUTb ab CR LF Set unit aOUT ab CR LF Read out unit a sensor address b 0 C factory setting 1 F Set read unit for the intensity measurements aOUIb ab CR LF Set unit aOUI a...

Страница 33: ...9 40 9 C factory setting 30 C Set read orifice rim heater on time after run time OTT Pluvio2 S with orifice rim heater Orifice rim heater mode 3 4 aOCHDbbbb abbbb CR LF Set on time after run time aOCH...

Страница 34: ...protocol a sensor address b 0 SDI 12 protocol factory setting 1 ASCII RS 485 command line mode Set read data transmission rate baudrate at RS 485 interface using the ASCII protocol aOCRb ab CR LF Set...

Страница 35: ...luvio2 S Refer to Chapter 6 1 for a description of measured value formats and status infor mation E separator CR additionally to the command M returns the values Temperature electronics unit Supply vo...

Страница 36: ...ecting bucket Loosen three knurled screws Remove the pipe housing upwards Remove both spring loaded terminals and carefully remove the collecting bucket Please note Proceeding carelessly e g roughly p...

Страница 37: ...ion products Basically third party products may be used provided the following requirements are met Good solubility in water low density i e the anti freeze agent does not settle below the water Low e...

Страница 38: ...mmunication interface SDI 12 setting and correct as necessary using the OTT Pluvio Operating Software check the configuration of the data recording unit connected and correct as necessary refer to the...

Страница 39: ...upply voltage missing incorrectly connected or is outside the specified range red LED is continuously OFF restore power supply to the unit replace fuse as necessary check supply voltage level and adju...

Страница 40: ...ted or is outside the specified range restore power supply to the orifice rim heater replace fuse as necessary check supply voltage level and adjust as necessary make sure that output power of power s...

Страница 41: ...n gauge is not level check the bubble level indicator and correct adjustment as necessary Note Check whether measured value used is suited for present application behaviour over time Real time output...

Страница 42: ...cipitation The USB interface also supplies operating voltage to the OTT Pluvio2 S No additional power supply is required However if present it does not have to be removed Preparatory work Prerequisite...

Страница 43: ...the OTT Pluvio2 S unit and retrieves different status information Select the Guided Accuracy Test button a wizard will guide you through the accuracy test Make sure you follow all the steps and notes...

Страница 44: ...droService department 9 Notes about the disposal of used units Within the member countries of the European Union In accordance with the European Union Directive 2002 96 EC OTT takes old devices back w...

Страница 45: ...re of load cell OTT Pluvio2 S status Heater status Supply voltage for orifice rim heater 12 28 VDC typ 12 24 VDC reverse polarity protected no isolation of the power supply for the orifice rim heating...

Страница 46: ...000 500 000 0 030 0 001 0 1 1 5 65 Bucket RT mm 7 000 400 000 0 001 0 1 0 2 1 Bucket NRT mm 7 000 400 000 0 001 0 1 0 2 5 Temperature of load cell C 40 0 85 0 0 1 1 1 Heater status 0 128 1 1 OTT Pluv...

Страница 47: ...24 V DC GND SDI 12 Input A 4 3 1 2 OTT DuoSens SDI 12 Input C 4 3 1 2 OTT netDL OTT Pluvio2 S 1 2 3 4 5 6 7 8 OTT Pluvio2 S 1 2 3 4 5 6 7 8 Fig A1 Connecting the OTT Pluvio2 S to an OTT netDL or OTT D...

Страница 48: ...vio2 S to virtual terminals for allocating the measured values refer to Chapter 6 SDI 12 com mands and responses Concurrent mode only for OTT netDL refer to the operating program online help Instantan...

Страница 49: ...he flash drive OTT Pluvio2 S software 12 24 V DC GND 12 24 V DC GND Pulse input B OTT Pluvio2 S Status information Precipi tation OTT Pluvio2 S 1 2 3 4 5 6 1 2 3 4 Pulse input D or E OTT netDL OTT Duo...

Страница 50: ...during which the pulse input is disabled after recording a pulse This prevents the OTT netDL from recording unwanted pulses caused by bouncing switch contacts Set 8 ms for the OTT Pluvio2 S Please not...

Страница 51: ...nduit pipe laying Empty conduit pipe for connecting and earth cables 800 mm 253 mm max 288 mm 0 159 6 0 1 mm 200 cm2 Concrete foundation Pedestal with bottom plate Length 424 mm 624 mm 924 mm 1000 120...

Страница 52: ...3 mm 2 4 mm 12 mm 37 mm 200 mm 52 3 mm 160 mm 200 mm 160 mm 16 mm 4x 30 mm Order numbers 1 70 030 033 9 2 2 70 030 034 9 2 3 70 030 035 9 2 Dimensions A Installation height 1 0 m 424 mm 1 Installatio...

Страница 53: ...Appendix D Installing the anti theft protection 1 2 3 4 53...

Страница 54: ...installation height 70 035 021 1 2 150 for 1 5 m installation height 70 035 022 1 2 Wind shield mounting kit OTT PWS 99 020 081 9 2 for attaching the wind shield to a concrete foundation 4x compound...

Страница 55: ...924 PXL package size 10 litre canister Anti theft protection for OTT Pluvio S 70 030 040 9 2 U lock weather resistant for anti theft protection 99 000 083 9 5 Test weight kit 70 020 071 9 2 tare weig...

Страница 56: ...Document number 70 030 001 B E 04 0119 OTT HydroMet GmbH Ludwigstrasse 16 87437 Kempten Germany Tel 49 831 5617 0 Fax 49 831 5617 209 info ott com www ott com...

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