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48

58-610 Model R82 Radar Transmitter

3.3

Troubleshooting

The Model R82 transmitter is designed and engineered for
trouble-free operation over a wide range of operating
conditions. Common transmitter problems are discussed
in terms of their symptoms and recommended corrective
actions.

WARNING!

Explosion hazard. Do not remove covers unless power
has been switched off or the area is known to be non-
hazardous.

Use of the included PACT

ware

™

PC program is highly

recommended and invaluable for troubleshooting and
advanced calibration. A HART RS232 or USB modem
(purchased separately) is required. See MAGNETROL
PACT

ware

™

bulletin 59-101.

Symptom

Problem

Solution

Level reading drops out at a
repeatable position in the
vessel

Multipath is cancelling good
level signal

Orient launcher to reduce multipath; turn launcher 10–20 degrees (1–2 index
marks) at a time until multipath at this point disappears. Refer to Section 2.4.2.3

Level reading locked onto a
value that is not correct

Measurement engine finding
a reflection it believes is
level signal

1. Is high dielectric (

ε

>10) foam present?

2. Run Echo Rejection routine with Level below this point (or with Empty tank) to

eliminate false echoes

LEVEL, % Output and LOOP
values are all inaccurate

Basic configuration data
questionable

1. Check validity of all configuration data
2. Check DISTANCE value of device against manually measured distance

LEVEL readings are repeat-
able but consistently high
(or low) from actual by a
fixed amount

Configuration data does not
accurately match tank
dimensions

1. Ensure proper values for Tank Height and Sensor Offset
2. Check vessel for present liquid level. Trim Level can be used to ensure

exact measurement

3. Reconfigure LOOP values if necessary

LEVEL reading on Display is
correct but LOOP is stuck at
4 mA

HART Poll Address set a
value of 1-15

Set HART Poll Address to 0

LEVEL reading on Display
stuck at value related to
Blocking Distance

Device believes antenna is
flooded (level very near or
on antenna)

Check actual level. If antenna is not flooded, power down, then power up
transmitter with the level well below the antenna.

3.3.1 Troubleshooting System Problems

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Содержание R82

Страница 1: ...Pulse Burst Radar Level Transmitter Installation and Operating Manual Model R82 R82 software v2 0a...

Страница 2: ...energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a par...

Страница 3: ...ata Entry 19 2 6 4 1 Navigating Menu 19 2 6 4 2 Data Selection 19 2 6 4 3 Entering Numeric Data Using Digit Entry 19 2 6 4 4 Entering Numeric Data Using Increment Decrement 20 2 6 4 5 Entering Charact...

Страница 4: ...ete Installation Section 2 0 for detailed installa tion instructions 1 1 Getting Started Before beginning the QuickStart Installation procedures have the right equipment tools and information availabl...

Страница 5: ...of the tank and the Sensor Reference point bottom of NPT thread top of BSP thread or face of flange Tank Top Is the Tank Top Flat Horizontal Cylinder Dome Irregular or Other non metallic Tank Height...

Страница 6: ...a line tangent to the near est tank wall Figure 3 Do not optimize the Echo Strength at one level in the vessel Do not place insulating material around any part of the Radar transmitter including the...

Страница 7: ...uring normal operation the display changes every 2 sec onds to show one of the various measured values that can be chosen for display Level Volume Distance Echo Strength Output Loop Current and Local...

Страница 8: ...nds to the application Select the Foam value that corre sponds to the application Select the Rate of Change value that corresponds to the maximum rate the level will rise or fall Examine the list of r...

Страница 9: ...re reference when ordering parts 2 2 Electrostatic Discharge ESD Handling Procedure The MAGNETROL electronic instruments are manufac tured to the highest quality standards These instruments use electr...

Страница 10: ...ge 2 3 3 1 Maximum Distance Figure 7 at left shows the maximum measuring range Distance based on fundamental conditions of Dielectric Distance and Turbulence Maximum dis tance is calculated as Tank He...

Страница 11: ...low dielectric media the metal tank bottom may be detected deteriorat ing performance 2 inch 50 mm Antenna 8 inch 200 mm Antenna 13 330 mm 7 178 mm 15 380 mm BSP 16 405 mm minimum measured from botto...

Страница 12: ...rom bending or breaking Insulating material is not placed around any part of the Radar transmitter including the antenna flange Transmitter is being mounted in the optimal location See following secti...

Страница 13: ...reads or face of the flange The related distance as measured from the end of the antenna varies depending on the antenna extension chosen See Figure 13 The narrow beam width of the 26 GHz R82 does all...

Страница 14: ...e of the flume throat or weir crest in the location defined by the manufacturer of the primary measuring device The unit should also be aligned with the longitudinal axis of the flume or weir Open cha...

Страница 15: ...ransmitter display when the adjustment mechanism is in the 11 position factory default See Figures 16 and 17 2 4 2 2 Launcher Orientation Level Application Ideally the transmitter should be mounted ha...

Страница 16: ...f the Level signal is lost repeatedly at a specific point in the vessel it is usually a symptom that multipath side wall reflections are causing cancellation by returning to the transmitter exactly 18...

Страница 17: ...power supply and leave floating at the transmitter 4 Connect an earth ground wire to the nearest green ground screw per local electrical code not shown in illustration 5 Connect the positive supply wi...

Страница 18: ...24 VDC power supply directly to the trans mitter terminals The connections are illustrated in the accompanying diagrams An optional digital multimeter is shown if current measurements are desired When...

Страница 19: ...new selection ENTER arrow to confirm selection Use BACK Escape key at any time to abort the proce dure and escape to previous branch item 2 6 4 3 Entering Numeric Data Using Digit Entry Use this meth...

Страница 20: ...hen the screen is exited without changing the original tag characters Enter Moves the cursor forward to the right If the cursor is at the rightmost position then the new tag is saved Push button Keyst...

Страница 21: ...to determine the actual password 2 6 6 Menu Step By Step Procedure The following tables provide a complete explanation of the software menus displayed by the Radar transmitter Use these tables as a st...

Страница 22: ...xxx x units Transmitter Display Transmitter display showing Level and Echo Strength of signal reflection Good values are 20 99 5 Output xx x Transmitter Display Transmitter displays Output measurement...

Страница 23: ...often lost or Echo Strength is 20 17 Foam select Select amount of Foam None Light Medium Heavy Increase selection if Echo is often lost or Echo Strength is 20 18 Rate of Change select Select Rate of C...

Страница 24: ...Select a value 0 1000 30 is default 26 Safe Zone Fault select Select the Safe Zone Fault Safe Zone is a user defined area just below the Blocking Distance Set this Fault if it necessary to ensure saf...

Страница 25: ...ti drop HART network 35 New Password enter Enter new Password Enter the desired Password value between 0 and 255 O No Password During normal operation an encrypted password is shown Consult factory to...

Страница 26: ...set where the Level value is clamped 5 Echo Strength xx xxx x units Transmitter Display Transmitter display showing Level and Echo Strength of signal reflection Good values are 20 99 6 Output xx x Tra...

Страница 27: ...the Level Offset Level Offset defines an area at the bottom of the vessel where reflections can not be measured effectively due to angled bottoms heating coils reflections from flat metal tank bottoms...

Страница 28: ...vessels Width is only used for Rectangular vessels Length is only used for Rectangular and the three Horizontal vessels Ellipse End is only used for Horiz Ellip vessels 17 Volume Custom Table Enter in...

Страница 29: ...exit at any time NOTES ECHO REJECTION should run with vessel at or near empty when all targets are exposed Re run this routine if intial calibration is done with significant liquid in vessel The Echo...

Страница 30: ...nfirmed as correct 24 to 24 inches 61 to 61 cm 34 Stillwell I D xx x units Enter Pipe I D For measuring in a stillwell Enter a value for inside diameter of the pipe presently only 2 50mm is acceptable...

Страница 31: ...Number for reference 44 Model R82 version Transmitter Display Base Model Number with Communication type HT HART Firmware Version and Date 45 Factory Params Enter to display Factory Parameters Enter to...

Страница 32: ...e measurement includes Sensor Offset value This value may not represent reciprocal of Level if the liquid level is within the Blocking Distance or Level Offset where the Level value is clamped 6 Echo...

Страница 33: ...reflections from flat metal tank bottoms in low dielectric applications etc It is the distance from the bottom of the tank to the lowest valid level reading Level reading will never be lower than Leve...

Страница 34: ...e or weir before the flow equation is no longer valid The Maximum Head is expressed in the user selected Level Units The R82 will default to the largest Maximum Head value that is allowed for any give...

Страница 35: ...Totalizer NR is non resettable Since this action will permanently lose this data a second chance is provided with an Are you sure screen 18 Flow Generic Equation Enter Flow Information Using Generic E...

Страница 36: ...P4 P5 and at transition point P7 and points on either side P6 P8 P5 P4 P6 P8 P9 Average flow rate Custom Table Values A maximum of 20 points can be used in building the Custom Table Each pair of value...

Страница 37: ...el value 3 To run a new Echo Rejection Profile a Choose the echo that corresponds to the actual liquid level b Press ENTER and confirm a new Echo Rejection profile should be run If necessary Press ESC...

Страница 38: ...22 mA Latch 3 6 or Latch 22 If Latch 3 6 or Latch 22 is chosen the loop current will remain in alarm until it it cleared by customer in SZ Latch below refer to 34 33 Safe Zone Height xx x units Enter...

Страница 39: ...multi drop HART network 41 New Password enter Enter new Password Enter the desired Password value between 0 and 255 O No Password During normal operation an encrypted password is shown Consult factor...

Страница 40: ...None do not adjust Diagnostic factory setting 13 TVG Minimum None do not adjust Diagnostic factory setting 14 TVG Maximum None do not adjust Diagnostic factory setting 15 Peak Detect Ref None do not...

Страница 41: ...block in the electronics housing of the ModelR82 transmitter HART uses the Bell 202 frequency shift key technique of high frequency digital signals It operates on the 4 20 mA loop and requires 250 loa...

Страница 42: ...evel Only 2 Volume Level 3 Flow Level 1 SV is 2 TV is 3 4V is 1 Enter Password 2 Reset Temperatures 3 Echo Profile 4 Target Algorithm 5 TVG Minimum 6 TVG Maximum 7 Peak Detect Ref 8 Peak Detect Thresh...

Страница 43: ...ct Thresh 51 Min Threshold 52 Run Average 53 Adapt Average 54 Scatter High Limit 55 Rate High Limit 56 Max Rate 57 Max Distance Jump 58 Empty State Delay 59 Window 60 Target Distance 61 Conversion Fac...

Страница 44: ...t 19 Echo Loss Fault 20 Echo Loss Delay 21 Safe Zone Fault 22 Safe Zone Height 23 Trim Level 24 Pipe ID 1 SV is 2 TV is 3 4V is 1 Enter Password 2 Reset Temperatures 3 Echo Profile 4 Target Algorithm...

Страница 45: ...k Detect Ref 50 Peak Detect Thresh 51 Min Threshold 52 Run Average 53 Adapt Average 54 Scatter High Limit 55 Rate High Limit 56 Max Rate 57 Max Distance Jump 58 Empty State Delay 59 Window 60 Target D...

Страница 46: ...f Operation 3 2 1 Pulse Burst Radar The Model R82 is a top mounted downward looking pulse burst radar operating at 26 GHz Unlike true pulse devices that transmit a single sharp fast rise time waveform...

Страница 47: ...level measurement technology The high speed electromagnetic energy 1 ft nS is difficult to measure over short distances and at the resolution required in the process industry ETS captures the EM sign...

Страница 48: ...ct Measurement engine finding a reflection it believes is level signal 1 Is high dielectric 10 foam present 2 Run Echo Rejection routine with Level below this point or with Empty tank to eliminate fal...

Страница 49: ...WARNING MESSAGE The second level in the hierar chy of Diagnostics annunciating conditions that are not fatal but may affect measurement The highest priority Warning will be placed on the main rotatin...

Страница 50: ...oices i 22 mA loop driven to 22 mA while detected level remains within SZ Height of Blocking Distance point ii 3 6 mA loop driven to 3 6 mA while detected level remains within SZ Height of Deadband ii...

Страница 51: ...ctronics temperature presently above 80 C Reduce exposure of transmitter to high tempera ture to avoid damage Elec Temp Lo Electronics temperature presently below 40 C Reduce exposure of transmitter t...

Страница 52: ...o EN 61326 and are in compliance with the EMC Directive 2004 106 EC COMMUNICATIONS APPROVALS IEC ATEX Entity Parameters Region Agency Frequency US FCC 26 GHz Canada IC Europe RTTE Ui 28 4 VDC 28 VDC l...

Страница 53: ...53 58 610 Model R82 Radar Transmitter 3 4 1 Agency FM CSA Drawing and Entity Parameters...

Страница 54: ...xan Housing 89 9124 002 O ring Aluminum Housing Viton 012 2201 237 Lexan Housing Buna N 012 2616 237 Housing Cover Aluminum GP IS 036 4410 010 Housing Cover Lexan GP IS 003 1226 003 3 5 2 Recommended...

Страница 55: ...RT digital signal Range Analog 3 8 to 20 5 mA useable Namur NE43 Digital 0 to 999 0 to 9999 cm Resolution Analog 0 01 mA Digital 0 1 Loop Resistance GP IS 400 24 VDC 20 mA 350 24 VDC 22 mA Diagnostic...

Страница 56: ...uirements EN 50081 2 EN 50082 2 Surge Protection Meets CE Requirements EN 61326 1000 volts Shock Class ANSI ISA S71 03 Class SA1 Vibration Class ANSI ISA S71 03 Class VC2 3 6 1 Functional Transmitter...

Страница 57: ...hygienic flanges Maximum Process Temperature 40 to 200 F atmos 40 to 93 C atmos Maximum Process Pressure Vacuum to 200 psig 70 F 1 to 13 8 bar 20 C Minimum Dielectric application dependent 1 7 50 46 0...

Страница 58: ...0 102 4 50 114 4 00 102 3 31 84 4 06 103 2 98 76 5 82 148 8 98 228 2 27 58 3 25 83 2 98 76 5 04 128 8 98 228 3 78 96 3 6 5 Physical Inches mm Aluminum Housing Top View Lexan Housing Top View Aluminum...

Страница 59: ...ia IIC T4 Ga AGENCY CLASSIFICATION A Digital display and keypad ACCESSORIES 0 Cast Aluminum Single Compartment 3 4 NPT 1 Cast Aluminum Single Compartment M20 6 Lexan Plastic Single Compartment 3 4 NPT...

Страница 60: ...Multimeter Electromagnetic Energy The radiation that travels through space as electric and magnetic fields varying with position and time Examples in increasing frequency radio waves microwave infrar...

Страница 61: ...e Level Offset value Linearity The worst case error calculated as a deviation from a perfect straight line drawn between two calibration points Line Powered See Four Wire LOE Loss of Echo Condition wh...

Страница 62: ...ower number assists in ignoring nearby objects Status The current state of the transmitter s diagnostics screen updates every 10 seconds Targets Objects in the vessel that create reflections of the ra...

Страница 63: ...t Max Temperature Damping Min Temperature System Fault VDC Check Midpoint LOE Fault Antenna Mount LOE Delay Target Algorithm SZ Fault TVG Minimum SZ Height TVG Maximum SZ Alarm Reset Peak Detect Refer...

Страница 64: ...will be determined on the basis of the applicability of our warranty No claims for misapplication labor direct or consequen tial damage will be allowed Return Material Procedure So that we may efficie...

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