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NivoRadar

®

Continuous level measurement

Series NR 7200

Technical information / Instruction manual

Diagnostics and servicing

page 47

Error

Cause

Rectification

4 … 20 mA signal not stable Fluctuating measured value

Set damping

4 … 20 mA signal missing

Electrical connection faulty

Check connection, correct, if neces-
sary

Voltage supply missing

Check cables for breaks; repair if nec-
essary

Operating voltage too low, load resist-
ance too high

Check, adapt if necessary

Current signal greater than
22 mA, less than 3.6 mA

Sensor electronics defective

Replace device or send in for repair
depending on device version

Status messages according to NE 107

The instrument features self-monitoring and diagnostics according
to NE 107 and VDI/VDE 2650. In addition to the status messages in
the following tables there are more detailed error messages avail-
able under the menu item " Diagnostics" via the respective adjust-
ment module.

The status messages are divided into the following categories:

•

Failure

•

Function check

•

Out of specification

•

Maintenance required

and explained by pictographs:

4

1

2

3

Fig. 26: Pictographs of the status messages
1 Failure - red

2 Out of specification - yellow

3 Function check - orange
4 Maintenance required - blue

Malfunction (Failure):

Due to a malfunction in the instrument, a fault signal is output.
This status message is always active. It cannot be deactivated by
the user.

Function check:

The instrument is being worked on, the measured value is temporar-
ily invalid (for example during simulation).
This status message is inactive by default.

Status messages

«
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46
47
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Содержание NivoRadar NR 7200 Series

Страница 1: ...ess protection 25 Set up with the integrated display and adjustment unit 26 Setup with smartphone tablet Bluetooth 36 Menu overview 38 Diagnostics and servicing 46 Dismount 55 Supplement 56 Safety instructions for Ex areas Take note of the Ex specific safety instructions for Ex applications These instructions are attached as documents to each instrument with Ex approval and are part of the operati...

Страница 2: ...l and implemented Symbols used Information note tip This symbol indicates helpful additional information and tips for successful work Note This symbol indicates notes to prevent failures malfunctions damage to devices or plants Caution Non observance of the information marked with this sym bol may result in personal injury Warning Non observance of the information marked with this sym bol may resu...

Страница 3: ...rt instrument complying with all prevailing regulations and directives The instrument must only be oper ated in a technically flawless and reliable condition The operator is responsible for the trouble free operation of the instrument When measuring aggressive or corrosive media that can cause a dangerous situation if the instrument malfunctions the operator has to implement suitable measures to m...

Страница 4: ...up Caution Operating the device without selecting the relevant mode consti tutes a violation of the regulations of the radio approvals of the respective country Installation and operation in the USA and Canada This information is only valid for USA and Canada Hence the fol lowing text is only available in the English language Installations in the US shall comply with the relevant requirements of t...

Страница 5: ... with Bluetooth versions with Bluetooth access code Emergency Bluetooth unlock code Emergency device code The further scope of delivery encompasses Documentation Ex specific Safety instructions with Ex versions Radio licenses If necessary further certificates Note Optional instrument features are also described in this operating instructions manual The respective scope of delivery results from the...

Страница 6: ...tification and use of the instrument UWT GmbH D 87488 Betzigau NivoRadar Assembled in Germany Technical Data Article No Serial No 1 6 5 4 3 2 Fig 2 Layout of the type label example 1 Instrument type 2 Field for approvals 3 Order number 4 Technical data 5 Symbol for Bluetooth access 6 QR code for device documentation Principle of operation NivoRadar 7200 is a radar sensor for non contact continuous...

Страница 7: ...erating system 1 2 Fig 3 Wireless connection to standard operating devices with integrated Bluetooth LE 1 Sensor 2 Smartphone Tablet Packaging transport and storage Your instrument was protected by packaging during transport Its capacity to handle normal loads during transport is assured by a test based on ISO 4180 The packaging consists of environment friendly recyclable card board For special ve...

Страница 8: ...on and storage markings on the outside Unless otherwise indicated the packages must be stored only under the following conditions Not in the open Dry and dust free Not exposed to corrosive media Protected against solar radiation Avoiding mechanical shock and vibration Storage and transport temperature see chapter Supplement Technical data Ambient conditions Relative moisture 20 85 Storage Storage ...

Страница 9: ...ts Ʋ Ʋ Antenna process fitting PVDF Ʋ Ʋ Process seal 1 FKM EPDM Materials non wetted parts Ʋ Ʋ Housing Plastic PBT Polyester Ʋ Ʋ Housing seals O rings silicone Ʋ Ʋ Cable gland PA Ʋ Ʋ Sealing cable gland EPDM Ʋ Ʋ Blind plug cable gland PA Ʋ Ʋ Inspection window for the indication Polycarbonate Weight 0 7 kg 1 543 lbs Torques Max torque mounting boss 7 Nm 5 163 lbf ft Max torque for NPT cable glands ...

Страница 10: ...onstant of the medium 3 εr 1 6 blocking distance 4 Ʋ Ʋ Modes 1 2 4 0 mm 0 in Ʋ Ʋ Mode 3 250 mm 9 843 in Switch on phase Run up time for UB 12 V DC 18 V DC 24 V DC 15 s Starting current for run up time 3 6 mA 20 mA 3 6 mA 4 mA t 2 3 4 1 Fig 5 Run up time and measured value output 1 UB On 2 Run up time 3 Measured value output 4 UB Off 1 Depending on application medium as well as specifications by me...

Страница 11: ...put variable adjustable 0 999 s HART output values 1 Ʋ Ʋ PV Primary Value Lin percent Ʋ Ʋ SV Secondary Value Distance Ʋ Ʋ TV Third Value Measurement reliability Ʋ Ʋ QV Fourth Value Electronics temperature Fulfilled HART specification 7 0 Further information on Manufacturer ID Device ID Device Revision See website of FieldComm Group Deviation according to DIN EN 60770 1 Process reference conditions...

Страница 12: ...03 10 K or max 0 3 relating to the 16 7 mA span Deviation in the current output due to digital analogue conversion 15 µA Additional measurement deviation through electromagnetic interference Ʋ Ʋ According to NAMUR NE 21 80 µA Ʋ Ʋ According to EN 61326 1 None Ʋ Ʋ According to IACS E10 shipbuilding IEC 60945 250 µA Characteristics and performance data Measuring frequency W band 80 GHz technology Mea...

Страница 13: ...Impacts mechanical shock Class 6M4 acc to IEC 60271 3 6 50 g 2 3 ms Impact resistance IK07 acc to IEC 62262 Process conditions For the process conditions please also note the specifications on the type label The lowest value amount always applies Process temperature 40 80 C 40 176 F Process pressure 1 3 bar 100 200 kPa 14 5 43 51 psig Electromechanical data Cable entry Ʋ Ʋ Options M20 x 1 5 NPT Ʋ ...

Страница 14: ...ted Permissible residual ripple Ʋ Ʋ for UN 12 V DC 9 V UB 14 V 0 7 Veff 16 400 Hz Ʋ Ʋ for UN 24 V DC 18 V UB 35 V 1 0 Veff 16 400 Hz Load resistor Ʋ Ʋ Calculation UB Umin 0 022 A Ʋ Ʋ Example for UB 24 V DC 24 V 12 V 0 022 A 545 Ω Overvoltage protection Dielectric strength against metallic mounting parts 10 kV Overvoltage resistance test impulse voltages 1 2 50 µs at 42 Ω 1000 V Additional overvolt...

Страница 15: ...formation Instruction manual Technical data page 15 Dimensions 50 mm 1 97 40 5 mm 1 59 105 mm 4 13 25 mm 0 98 G1 SW 50 ø 58 mm 2 28 ø 71 mm 3 05 4 5 mm 0 18 ø 80 mm 3 15 1 NPT R 1 145 mm 5 71 1 2 3 Fig 7 Dimensions NivoRadar 7200 1 Thread G1 2 Thread 1 NPT 3 Thread R1 ...

Страница 16: ...l properties of the medium Abrasion and mechanical influences Protect your instrument against moisture ingress through the follow ing measures Use a suitable connection cable see chapter Connecting to power supply Tighten the cable gland or plug connector Lead the connection cable downward in front of the cable entry or plug connector This applies mainly to outdoor installations in areas where hig...

Страница 17: ...ment see following diagram 1 Fig 9 Reference plane 1 Reference plane When mounting the device keep a distance of at least 200 mm 7 874 in from the vessel wall If the device is installed in the center of dished or round vessel tops multiple echoes can arise However these can be suppressed by an appropriate adjustment see chapter Set up If you cannot maintain this distance you should carry out a fal...

Страница 18: ...unt the instruments in or above the filling stream Make sure that you detect the medium surface not the inflowing product Fig 12 Mounting of the radar sensor with inflowing medium With threaded connection the antenna end should protrude at least 5 mm 0 2 in out of the nozzle ca 5 mm Fig 13 Thread mounting If the reflective properties of the medium are good you can mount NivoRadar 7200 on sockets l...

Страница 19: ... see chapter Parameter adjustment The mounting location of the radar sensor should be a place where no other equipment or fixtures cross the path of the radar signals Vessel installations such as e g ladders limit switches heating spirals struts etc can cause false echoes and impair the useful echo Make sure when planning your measuring point that the radar sensor has a clear view to the measured ...

Страница 20: ...n should be carried out with the agitators in motion This ensures that the interfering reflections from the agitators are saved with the blades in different positions Fig 17 Agitators Through the action of filling stirring and other processes in the ves sel compact foams which considerably damp the emitted signals may form on the medium surface Note If foams lead to measurement errors you should u...

Страница 21: ...e circuit see load values in chapter Technical data Use cable with round cross section for instruments with housing and cable gland To ensure the seal effect of the cable gland IP protection rating find out which cable outer diameter the cable gland is suitable for The instrument is connected with standard two wire cable If elec tromagnetic interference is expected which is above the test values o...

Страница 22: ...hreads In the case of instrument housings with metric thread the cable gland is screwed in at the factory It is sealed with plastic plugs as transport protection You have to remove this plug before electrical connection NPT thread In the case of instrument housings with self sealing NPT threads it is not possible to have the cable entry screwed in at the factory The cable gland is therefore covere...

Страница 23: ...ording to the bottom wiring plan Note Fixed conductors and flexible conductors with ferrules can be inserted directly into the terminal openings In the case of flexible conductors for opening the terminals use a screwdriver 3 mm blade width to push the actuator lever away from the terminal opening When released the terminals are closed again 7 Check the hold of the wires in the terminals by lightl...

Страница 24: ...ompartment NivoRadar 7200 1 Voltage supply signal output 2 Plug connector for display and adjustment unit optional Switch on phase After connection to the power supply the device carries out a self test Internal check of the electronics Output signal is set to failure The current measured value is then output on the signal cable Electronics and connec tion compartment ...

Страница 25: ...er known It can t be changed The emergency Bluetooth access code can be found in information sheet Access protection If this document is lost the emergency Bluetooth ac cess code can be retrieved from your personal contact person after legitimation The storage and transmission of Bluetooth access codes is always encrypted SHA 256 algorithm Protection of the parameterization The settings parameters...

Страница 26: ...20 Elements of the integrated display and adjustment unit 1 LC display 2 Adjustment keys Key Function Entry to the menu level Jump to selected menu item Edit parameter Select editing position Save value Switching between the individual measured value windows Navigation in the menu items forwards Change parameter values upwards Switching between the individual measured value windows Navigation in t...

Страница 27: ... measured value indication is triggered Any values not con firmed with Ο will not be saved Measured value and menu item display The measured values are displayed according to the following presentation 2 3 1 m 2 541 Fig 21 Measured value display example 1 Measured value as bargraph 2 Digital value 3 Unit The menu items are displayed according to the following presenta tion 2 1 1 0000 m Max Adjustm...

Страница 28: ...pend on the selection made under Medium Liquid or Bulk solid The vessels as well as the measuring and process conditions are described in the following as an overview With Liquid the applications are based on the following features to which the measuring characteristic of the sensor is adjusted in particular Storage tank Vessel Large volume Upright cylindrical horizontal round Process measurement ...

Страница 29: ...onditions Partly strongly agitated surface Installations such as pumps and ladders Multiple reflections through flat vessel ceiling Dirt and grease deposits on shaft wall and sensor Condensation on the sensor Further recommendations False signal suppression via the operating tool Overflow basin Vessel Large volume Partly installed underground Process measurement conditions Partly strongly agitated...

Страница 30: ... areas pro tective roof for the measuring point Gauge measurement in waters Process measurement conditions Slow gauge change Extreme damping of output signal in case of wave generation Ice and condensation on the antenna possible Floating debris sporadically on the water surface Demonstration Applications that are not typical level measurements e g device tests Instrument demonstration Object reco...

Страница 31: ...se varying pouring positions Measurement near the filling stream Sensor mounting on movable conveyor belts Crusher Process measurement conditions Measured value jumps and varying pouring positions e g due to truck filling Fast reaction time Large distance to the medium Interfering reflections from fixtures or protective devices Further recommendations False signal suppression via the operating too...

Страница 32: ... Information on the reference plane can be found in the chapters Mounting and Technical data The actual filling height is then calculated on the basis of these entries The actual product level during this adjustment is not important because the min max adjustment is always carried out without changing the product level These settings can be made ahead of time without the instrument having to be in...

Страница 33: ...ss code Note The individual preset Bluetooth access code of the device can be found on the supplied information sheet PINs and Codes If this is changed by the user and is no longer available access is only possible via the emergency Bluetooth unlock code on the informa tion sheet Emergency unlock codes also supplied For instruments without Bluetooth function this menu item displays Instrument with...

Страница 34: ...by the user are reset to the values of the basic setting or the delivery status see chapter Menu overview 1 Caution For the duration of the reset the set trouble signal is output via the current output Within the context of the asset management func tion the message Maintenance is output The following reset functions are available Basic settings Reset the parameter settings to the default values o...

Страница 35: ...of operation 3 India Malaysia South Africa Mode of operation 4 Russia Kazakhstan Depending on the operating mode the metrological properties of the device can change see chapter Technical data input vari able 8 3 3 Diagnostics In this menu item the device status is displayed The measurement reliability represents the signal strength of the level echo above the detection threshold in dB This makes ...

Страница 36: ...Select the requested instrument in the device list When establishing the connection for the first time the operating tool and the sensor must authenticate each other After the first cor rect authentication each subsequent connection is made without a new authentication query For authentication enter the 6 digit Bluetooth access code in the next menu window You can find the code on the outside of t...

Страница 37: ...e activated at any time It is recommended to enter a personal 6 digit device code To do this go to menu Extended functions Access protection menu item Protection of the parameter adjustment Parameter adjustment The sensor adjustment menu is divided into two areas which are arranged next to each other or one below the other depending on the adjustment tool Navigation section Menu item display The s...

Страница 38: ...surement in wa ters flow measurement flume overflow demonstration Storage tank Application bulk solid Silo slim and high bunker large volume stockpile point measurement profile detection crusher demonstration Silo slender and high Units Distance unit of the device Temperature unit of the instru ment Distance in m Temperature in C Adjustment Max adjustment distance A Min adjustment distance B Max a...

Страница 39: ...e serial number hardware software version device revision factory calibra tion date Adjustment app Device information Actual measured values Device status Device name software ver sion serial number Percent filling height distance measurement reliability electronics temperature meas rate etc OK error indication Menu item Selection Basic settings Measurement loop name Alphanumeric characters Sensor...

Страница 40: ...A Linearisation Linearization type Linear Scaling Scaling size Scaling unit Scaling format 100 correspond to 0 correspond to Volume l 100 l 0 l Display Menu language Displayed value Backlight Distance On Access protection Bluetooth access code Protection of the parameterization Deactivated False signal suppression Create new extend delete manual entry 0 m Sounded distance to the medium 0 m Interfe...

Страница 41: ...Parameter modification counter Measured value status Status output HART Device Status Status additional measured values Echo curve Indication of echo curve Peak indicator Peak indicator distance measurement reliability meas rate electronic temperature Measured values Measured values Additional measured values Outputs Sensor information Device name serial number hardware software version device rev...

Страница 42: ...trongly agitated surface foam and strong vortex generation Multiple reflections through dished vessel ceiling Condensation buildup on the sensor Further recommendations False signal suppression when the agitator is running via the operating tool Dosing vessel Vessel Small vessels Process measurement conditions Frequent and fast filling emptying Tight installation situation Multiple reflections thr...

Страница 43: ... on vessel top possible Further recommendations When measuring through the tank ceiling false signal sup pression via the operating tool When measuring through the tank top in outdoor areas pro tective roof for the measuring point Transportable plastic tank IBC Process measurement conditions Material and thickness different Measurement through the vessel top if appropriate to the application Chang...

Страница 44: ...ent of the measurement to the silo outlet Bunker large volume Process measurement conditions Large distance to the medium Steep angles of repose unfavourable pouring positions due to outlet funnel and filling cone Diffuse reflections due to structured vessel walls or internals Multiple echoes diffuse reflections due to unfavourable pour ing positions with fine grain Changing signal conditions when...

Страница 45: ...5 Further recommendations False signal suppression via the operating tool Demonstration Applications that are not typical level measurements Instrument demonstration Object recognition monitoring Measured value verification with higher measuring accuracy with reflection without bulk solids e g via a measuring plate ...

Страница 46: ...faults The device offers maximum reliability Nevertheless faults can oc cur during operation These may be caused by the following e g Sensor Process Voltage supply Signal processing The first measures are Evaluation of fault messages Checking the output signal Treatment of measurement errors A smartphone tablet with the adjustment app offer you further com prehensive diagnostic possibilities In ma...

Страница 47: ...ng and diagnostics according to NE 107 and VDI VDE 2650 In addition to the status messages in the following tables there are more detailed error messages avail able under the menu item Diagnostics via the respective adjust ment module The status messages are divided into the following categories Failure Function check Out of specification Maintenance required and explained by pictographs 4 1 2 3 F...

Страница 48: ...e 0 5 F025 Error in the lineari zation table Index markers are not continu ously rising for example illogical value pairs Check linearization table Delete table Create new Byte 5 Bit 2 of Byte 0 5 F036 No operable soft ware Checksum error if software up date failed or aborted Repeat software update Send instrument for repair Byte 5 Bit 3 of Byte 0 5 F040 Error in the elec tronics Limit value excee...

Страница 49: ...01 Overfilling Danger of vessel overfilling Make sure that there is no fur ther filling Check level in the vessel Byte 23 Bit 5 of Byte 14 24 S603 Impermissible op erating voltage Terminal voltage too small Check terminal voltage increase operating voltage Byte 23 Bit 6 of Byte 14 24 Code Text message Cause Rectification DevSpec State in CMD 48 M500 Error in the delivery status The data could not ...

Страница 50: ...date Carry out software update Bit 11 of Byte 14 24 Treatment of measurement errors The tables below give typical examples of application related meas urement errors The images in column Error description show the actual level as a dashed line and the output level as a solid line 1 2 Level time 0 1 Real level 2 Level displayed by the sensor Note If the output level is constant the cause could also...

Страница 51: ... measuring point Antenna should protrude out of the threaded mounting socket possible false ech oes through flange socket Remove contamination on the antenna In case of interferences due to instal lations in the close range change polarisation direction Create a new false signal suppression Adapt max adjustment Measured value jumps to wards 0 during filling Level time 0 The level echo cannot be di...

Страница 52: ...nna In case of interferences due to instal lations in the close range Change polarisation direction After eliminating the false signals the false signal suppression must be de leted Carry out a new false signal suppression Measured value jumps spo radically towards 100 during emptying Level time 0 Varying condensation or contamination on the antenna Carry out false signal suppression or increase f...

Страница 53: ... the vessel wall deflection Select a more suitable installation po sition optimize sensor orientation e g with a swivelling holder Measured value jumps spo radically to 100 during filling Level time 0 Changing condensation or contamina tion on the antenna Carry out a false signal suppression or increase false signal suppression with condensation contamination in the close range by editing Bulk sol...

Страница 54: ...sition and sen sor orientation How to proceed if a repair is necessary You can find an instrument return form as well as detailed informa tion about the procedure in the download area of our homepage By doing this you help us carry out the repair quickly and without having to call back for needed information Proceed as follows in case of repair Print and fill out one form per instrument Clean the ...

Страница 55: ...ry e g due to high pressures or temperatures as well as aggressive or toxic media Avoid this by taking appropriate protective measures Disposal Pass the instrument on to a specialised recycling company and do not use the municipal collecting points Remove any batteries in advance if they can be removed from the device and dispose of them separately If personal data is stored on the old device to b...

Страница 56: ...urce software Open source software components are also used in this device A documentation of these components with the respective license type the associated license texts copyright notes and disclaimers can be found on our homepage Trademark All the brands as well as trade and company names used are property of their lawful proprietor originator ...

Страница 57: ...NivoRadar Continuous level measurement Series NR 7200 Technical information Instruction manual page 57 ...

Страница 58: ...NivoRadar Continuous level measurement Series NR 7200 Technical information Instruction manual page 58 ...

Страница 59: ...NivoRadar Continuous level measurement Series NR 7200 Technical information Instruction manual page 59 ...

Страница 60: ...al use and operat ing conditions of the sensors and processing systems correspond to the informa tion available at the time of printing Subject to change without prior notice Technical support Please contact your local sales partner address at www uwt de Otherwise please contact us Phone 49 0 831 57 123 42 info uwtgroup com www uwtgroup com ...

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