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NRM

page 50

NRM K06/0422

21. IECEx certificate

Summary of Contents for NRM

Page 1: ...Operating Instructions for Non Contact Radar Level Transmitter Model NRM...

Page 2: ...egulation Use 4 5 Operating Principle 5 6 Installation 6 6 1 Mounting 6 7 Wiring 9 7 1 Wiring of the devices 10 7 2 Determine the appropriate power supply voltage 11 7 3 Loop current checking with han...

Page 3: ...6 0422 page 3 Manufactured and sold by Kobold Messring GmbH Nordring 22 24 D 65719 Hofheim Tel 49 0 6192 2990 Fax 49 0 6192 23398 E Mail info de kobold com Internet www kobold com Edition August 2017...

Page 4: ...to be used maintained and serviced by persons familiar with these operating instructions and in accordance with local regulations applying to Health Safety and prevention of accidents When used in mac...

Page 5: ...independently from the process temperature and pressure so the measured distance is not affected by the physical parameters of medium to be measured The NRM level transmitter is a Pulse Burst Radar op...

Page 6: ...he measurement accuracy and the maximal measuring range To avoid these effects the mounting placement should be as far as possible from the sources of these disturbing effects According to measurement...

Page 7: ...se the microwave signals and eliminates the false reflections which disturb the reliable measurement If there is no possible mechanical solution to avoid these kinds of false reflections the programmi...

Page 8: ...he tank bottom or the objects at the bottom disperse or reflect the emitted microwave signals Furthermore the lower signal level dispersed radar impulses may interfere with itself inside the tank In o...

Page 9: ...ial network Resistance of the EP network should be R 2 Ohm measured from the neutral point Shielding of the cable should be grounded at the control room side to the EP network To avoid disturbing nois...

Page 10: ...es in cooled and or heated tanks 7 1 Wiring of the devices Using HART communication Using Ex approved instrument In non Ex environment in hazardous environment In case of integrated version Prior to w...

Page 11: ...ance to the below diagram 22 21 20 19 18 17 16 15 14 13 12 2 4 6 8 10 12 14 16 18 20 22 19 1 13 6 B A Minimal supply voltage on the input terminals of the device Minimal supply voltage considering the...

Page 12: ...s of the unit can be accessed and all parameters can be set such as measurement configuration and optimisation outputs dimensions for 11 tanks with different shape 99 point linearization Programming w...

Page 13: ...ports NRM 300P Warning The NRM 300P module is based on LCD technology so please make sure it is not exposed to permanent heat or direct sunlight in order to avoid damage of the display unit If the ins...

Page 14: ...ddress is not 0 so output current has become overwritten to 4 mA see 8 3 2 1 E Analogue transmission reacts to a programmed failure condition if an upper or lower fault current is programmed see 8 3 2...

Page 15: ...and the amplitude of the echoes Dist Amp are listed The listed items are the reflections detected by the NRM measured in dB and the approximate distance from the process connection The listed values...

Page 16: ...ng the menu the instrument replaces the original parameters with the new parameter set and will measure according to the new parameters This means that the change of the parameters does not become imm...

Page 17: ...rnings to the users by dialog windows These usually can be acknowledged by pressing the button or the user can choose between two options usually YES or NO by pressing the buttons In some cases one of...

Page 18: ...Anglo Saxon American unit system 8 3 1 2 Dimension of the fault unit system Parameter P00 b and P02 b or P02 c Default value mm m3 t Path BASIC SETUP UNITS ENGINEERING UNITS Description The dimension...

Page 19: ...P00 d Default value OFF Path BASIC SETUP DEMO MODE Description OFF The operation is performed with considering all the application parameters such as filling emptying speed echo selection etc ON This...

Page 20: ...change in measured value and the change in the output value are the same normal or opposite directional inverse operation For example 1m level is 4 mA 10m level is 20 mA or 1m level is 20 mA and 10m...

Page 21: ...and false reflections which are close to the sensor can be eliminated by entering the dead zone value manually 8 3 4 2 Echo selection Parameter P25 a where a 0 1 2 3 Default value AUTO Path OPTIMIZAT...

Page 22: ...s procedure the software will automatically recognise and ignore the reflections coming from the disturbing objects crossing the microwave beam see 6 1 Obstacles Warning The background image should be...

Page 23: ...rds the echo signal as false reflection 8 3 5 Calculations 8 3 5 1 Specific gravity Parameter P32 Default value 0 Path CALCULATION SPECIFIC GRAVITY Description Entering a value other than 0 of specifi...

Page 24: ...done in arbitrary order because the device sorts according to ascending order Both sides of the table have to be strictly monotonic increasing In case of any error warning message see 9th chapter will...

Page 25: ...0 Path CALCULATION V M CALC MODE TANK FUNCTION SHAPE Description This menu only appears if it has an importance on the selected tank shape type SHAPE0 SHAPE1 SHAPE2 SHAPE3 8 3 5 6 Tank dimensions Para...

Page 26: ...this Parameter the current value which is proportional to the actual measurement value will appear on the display and the output In loop current test mode values between 3 9 and 20 5 can be entered T...

Page 27: ...E Description Cycle time of the simulation Bottom value of the simulation Parameter P86 Default value 0 mm Path SERVICE DIST SIMULATION BOTTOM VALUE Description Lowest value of the simulation Upper va...

Page 28: ...or monotonicity error in the input level side of the table Check the content of the VMT See 8 3 5 3 13 VMT OUTPUT ERROR Linearization table error monotonicity error in the output volume or mass side o...

Page 29: ...in the measured value 0 999 25 Echo selection in the measuring windo 0 AUTO 1 FIRST 2 HIGHEST AMPLITUDE 3 LAST 26 Filling speed Rate of change of the measured value when distance is decreasing which...

Page 30: ...n in the selected unit e g mm Its default value is the same as the programmed maximal measurement range 11 Menu map MAIN MENU BASIC SETUP OUTPUT SETUP OPTIMIZATION CALCULATION SERVICE BASIC SETUP UNIT...

Page 31: ...BOT STD RECT W CHUTE LYING CYLINDRICAL SPHERICAL BOTTOM SHAPE SHAPE 0 SHAPE 1 SHAPE 2 SHAPE 3 TANK DIMENSION DIM 0 DIM 1 DIM 2 DIM 3 DIM 4 DIM 5 DIMx V M TABLE VIEW EDIT TABLE ADD ITEM DELETE ITEM BA...

Page 32: ...1G Ex ia IIB T6 T4 Ga II 1 2 D Ex ia IIIC T85 C T110 C Da Db II 1 2 D Ex ta tb IIIC T85 C T110 C Da Db Li 200 H Ci 16nF Ui 30V Ii 140mA Pi 1W II 1G Ex ia IIB T6 T3 Ga II 1 2 D Ex ia IIIC T85 C T180 C...

Page 33: ...inst rare occurring impacts and friction effects that may be source of a potential ignition Meeting the requirements of the technical process Please carefully consider that all parts of the instrument...

Page 34: ...cess temperature 30 100 C up to max 2 min 120 C with PP antenna enclosure max 80 C 30 180 C Maximal medium pressure 25 bar at 120 C with plastic antenna enclosure or plastic flange 3 bar at 25 C Ambie...

Page 35: ...RT with display high temp without DA 1 4 20 mA HART with display high temp ATEX DI 1 4 20 mA HART with display high temp IECEx 0 without Y 2 special version acc to description B horn antenna DN50 2 0...

Page 36: ...thout Y 1 special version acc to description Y1 special cable length max 30 m B horn antenna DN50 0 2 23 m R90 BSP R9P 1 BSP connection with PP enclosure R9T 1 BSP connection with PTFE enclosure N90 N...

Page 37: ...2 NPT 1 BSP 1 NPT 2 BSP 2 NPT Beam angle 3 dB 19 16 19 16 Dead zone Lmin 200 mm 200 mm 200 mm 200 mm Under reference conditions Aluminium housing 1 antenna with PP enclosure Plastic housing 1 PP encap...

Page 38: ...200 mm 200 mm 300 mm 300 mm Under reference conditions Aluminium housing 2 Tri Clamp antenna with PTFE enclosure hygienic version Plastic housing 2 Tri Clamp antenna with PTFE enclosure hygienic versi...

Page 39: ...6 6 Dead zone Lmin 200 mm 200 mm 200 mm 200 mm Under reference conditions High temperature version aluminium housing 1 horn antenna High temperature version aluminium housing 2 horn antenna High temp...

Page 40: ...equirements EN 302372 1 2017 Electromagnetic compatibility and Radio spectrum Matters ERM Short Range Devices SRD Equipment for Detection and Movement Tanks Level Probing Radar TLPR operating in the f...

Page 41: ...EN 61010 1 2010 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements EN 302372 1 2017 Electromagnetic compatibility and Radio spectrum M...

Page 42: ...ve 2014 53 EU RED Directive 2014 34 EU ATEX Quality Management Production Certificate number BVS 21 ATEX ZQS E110 Notified body DEKRA Exam GmbH Identification number 0158 2011 65 EU RoHS 2015 863 EU D...

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