RFnivo rf3000 Technical Information And Instructions Download Page 6

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Level limit switch

Series RF 3000

Technical Information / Instruction manual

page

Technical data - Dimensions

Flange

Probes

Triclamp

Rod version
Shortest length

Rod version
Inactive extension

Rope version
Inactive extension

Rope version
Shortest length

Process connections:

* Active shield

RF 3100 Standard version

Only units with rod version are avaliable with

EHEDG Certificate. On rod versions with EHEDG
Certificate the length "L" is increased by 9mm

(0.35")

Thread
G 3/4"
NPT 3/4"

Thread
(except 3/4")

RFnivo

RF 3000 d

gi241014

Summary of Contents for rf3000

Page 1: ...s 13 Options 13 Mounting 14 Electrical installation 20 Qickstart 22 Advanced proramming 29 Probe modifications 35 Assembly Remote version FM FMc Control Drawing 36 Troubleshooting 37 Maintenance 39 Notes for use in Hazardous Locations 41 Disposal 43 Subject to technical change We assume no liability for typing errors All dimensions in mm inch Different variations than specified are possible Please...

Page 2: ... the product Risk of electric shock WARNING A failure to observe the necessary precautions can result in death serious injury and or considerable material damage This symbol is used when there is no corresponding caution symbol on the product CAUTION A failure to observe the necessary precautions can result in considerable material damage Safety symbols In manual and on product Description CAUTION...

Page 3: ...tion of the device Function The unit detects the capacitance between the probe and the container wall The performance allows to use the unit in a wide range of even difficult applications combined with simple handling Active shield technology The powerful active shield technology allows to ignore material build up on the probe Even the influence of conductive build up on the probe is electronicall...

Page 4: ...mand detector with short length observe max load Empty detector with short length observe max load Application in down pipe observe max load Inactive length to bring active probe to required level Inactive length and sliding sleeve for adjustable height Full detector rope version Empty detector rope version observe max load Inactive length due to long mounting nozzle A B D F H J I G E C K RFnivo 1...

Page 5: ...ox d Flameproof explosionproof Aluminium Aluminium Aluminium Technical data Dimensions Plastics PA6 reinforced no electronics inside electronics inside Remote version Remote version exemplified with RF 3100 Angle bracket Remote cable Spezial triaxial cable max length 20m 65ft min bending radius 50mm 2 RFnivo 1 2 3 4 5 6 7 8 9 10 11 12 RF 3000 d gi241014 5 ...

Page 6: ...active extension Rope version Inactive extension Rope version Shortest length Process connections Active shield RF 3100 Standard version Only units with rod version are avaliable with EHEDG Certificate On rod versions with EHEDG Certificate the length L is increased by 9mm 0 35 Thread G 3 4 NPT 3 4 Thread except 3 4 RFnivo 1 2 3 4 5 6 7 8 9 10 11 12 RF 3000 d gi241014 6 ...

Page 7: ...ge Technical data Dimensions Thread Flange Rod version Shortest length Rod version Inactive extension Rope version Inactive extension Rope version Shortest length Process connections Active shield RF 3200 Heavy Duty version RFnivo 1 2 3 4 5 6 7 8 9 10 11 12 RF 3000 d gi241014 7 ...

Page 8: ...Technical data Dimensions Rod version Shortest length Rod version Inactive extension Rope version Inactive extension Rope version Shortest length Thread Flange Process connections Active shield RF 3300 High temperature version RFnivo 1 2 3 4 5 6 7 8 9 10 11 12 RF 3000 d gi241014 8 ...

Page 9: ... Pollution degree 2 inside housing Electronics Universal voltage Relay DPDT Power supply 21 230V 50 60Hz or DC 10 incl 10 of EN 61010 Max ripple of power supply 7 Vss at DC sypply Installed load max 1 5VA or 1 5W Signal output Floating relay DPDT AC max 250V 8A non inductive DC max 30V 5A non inductive Display 4 digit LCD Display of actual measured capacitance signal output state and self diagnost...

Page 10: ...NSI B 1 20 1 Flanges according to selection 1 4541 321 or 1 4404 316L All material food grade Sound level max 40dBA Overall weight ca Standard housing de housing d housing Basic weight Active probe length L1 Inactive length L2 RF 3100 rod version 1 7 kg 3 7 lbs 2 7 kg 6 0 lbs 3 0 kg 6 6 lbs 0 62 kg m 1 37 lbs 39 3 1 2 kg m 2 65 lbs 39 3 RF 3100 rope version 2 3 kg 5 1 lbs 3 3 kg 7 3 lbs 3 6 kg 8 0...

Page 11: ...quired Max range max sensitivity 3 100pF 0 5pF 3 400pF 2pF Spark protection Robust build in protection against static discharge of the bulk material Features of bulk material Min DK depending on selected probe length L1 and probe diameter See tables on page 25 and 32 Max mechanical load RF 3100 Rod version A 125 Nm B 20 Nm Rope version 4 kN tensile load RF 3200 Rod version A 525 Nm B 90 Nm Rope ve...

Page 12: ...al passing the sensor element Transport and Storage Transport Observe the instructions as stated on the transport packaging otherwise the products may get damaged Transport temperature 40 80 C 40 176 F Transport humidity 20 85 Transport incoming inspections must be caried out to check for possible transport damage Storage Products must be stored at a dry and clean place They must be protected from...

Page 13: ...ive because they are classified as pressure keeping equipment and do not have a pressurized housing see Art 1 clause 2 1 4 The units are designed and manufactured in accordance to the Pressure Equipment Directive The unit is NOT intended for use as a equipment part with safety function Art 1 clause 2 1 3 If the units should be used as equipment part with safety function please contact the manufact...

Page 14: ... process connection after mounting Chemical resistance against the medium Materials of construction are chosen based on their chemical compatibility or inertness for general purposes For exposure to specific environments check with chemical compatibility charts before installing Temperature range The range of the ambient and process temperature of the device must be observed Mechanical load The ra...

Page 15: ... A Section B Dimensions in mm suggested values in brackets values to be adhered bindingly Metal metal sealing The support must be plane and without any gap No teflon tape or similar is allowed to be in between Fixing torque 100Nm The quality of the welding with the container wall must be according to the respective regulations e g gaps transitions surface finish Mounting EHEDG Approval Total lengt...

Page 16: ...Use of inactive length CORRECT Extensive material build up Use of inactive length WRONG Active probe inside socket WRONG Active probe inside material build up Observe distance to active probe Active probe Active probe Active probe Active probe WRONG Active probe inside intersection between cylindric and conical part of the silo material may stay when silo is empty RFnivo 1 2 3 4 5 6 7 8 9 10 11 12...

Page 17: ...ilos The inner or outer PE terminal must be connected to reach a grounding reference Further mounting requirements Observe distance to material flow filling Protective angle recommended depending on mechanical load and abrasion of the material Switching point With proper calibration the signal output switches when the active probe is covered by material RFnivo 1 2 3 4 5 6 7 8 9 10 11 12 RF 3000 d ...

Page 18: ...robe inside socket WRONG Active probe inside intersection between cylindric and conical part of the silo material may stay when silo is empty Grounding reference with non metal silos The inner or outer PE terminal must be connected to reach a grounding reference Further mounting requirements Observe distance to material flow filling Empty detector Do not mount above the center of the silo outlet d...

Page 19: ...that the screwed cable gland safely seals the cable and that it is tight danger of water intrusion Cable glands that are not used have to be locked with a closing element A strain relief must be provided for the field wiring cables when the device is installed with the factory provided cable glands Conduit system In case of using a conduit system with NPT thread instead of a cable gland the regula...

Page 20: ...o the approval of the level sensor certificate and type of protection The approved temperature range must be from the min ambient temperature of the level sensor to the max ambient temperature of the level sensor increased by 10 Kelvin The parts must be mounted according to the instructions of the supplier Conduit system for FM Dust and Gas Hazardous Locations General requirements In addition the ...

Page 21: ...minals Protective Conductor Terminal Standard housing d housing de housing Universal voltage Relay DPDT Power supply 21 230V 50 60Hz or DC 10 1 5VA or 1 5W Fuse on power supply max 10A 250V HBC fast or slow Signal output Floating relay DPDT AC max 250V 8A non inductive DC max 30V 5A non inductive Fuse on signal output max 10A 250V HBC fast or slow Power supply Signal output RFnivo 1 2 3 4 5 6 7 8 ...

Page 22: ...Level limit switch Series RF 3000 Technical Information Instruction manual page Quickstart RFnivo 1 2 3 4 5 6 7 8 9 10 11 12 RF 3000 d gi241014 22 ...

Page 23: ...tual measured capacitance in pF Actual signal output states uncovered probe u or covered probe c Resolution is 0 1pF 100pF or 0 5pF 100pF If values are 100pF a dot behind the number means 0 5 pF e g 100 means 100 5pF Note If the actual measured capacitance is higher than electronic can measure 400pF with sensitivity setting 2pF or 100pF with sensitivity setting 1pF the unit will state 400c or 100c...

Page 24: ...setting is 2pF Optional other setting is present depending on order Quickstart menu When the unit is in Measurement mode press MENU button for 3 sec to enter in Quickstart menu Note If Code is displayed a Lock Code is required Set the code number with the arrow buttons and confirm with the Menu button Then press again the Menu button for 3 sec to enter in Quickstart menu Press for 3 sec to return ...

Page 25: ...ween uncovered and covered probe is present a higher sensitivity can be selected 1pF or 0 5pf This is not possible if remote version with remote cable length 10m 33ft is installed outdoors temperature drift For higher change of capacitance and evt excessive buildup the sensitivity can be reduced 4pF or more Calibration procedure see page 26 Calibration with uncovered and covered probe This method ...

Page 26: ...ng calibration the display states CAL the red LED is blinking Wait until calibration is finished ca 10 seconds Then display states the actual measured capacitance followed by u for Probe uncovered Note If Code is displayed a Lock Code is required Set the code number with the arrow buttons and confirm with the Menu button Then press again the CAL button for 3sec to start calibration If other statem...

Page 27: ...pacitance as stated in the display for covered probe 4 Set Sensitivity Calculate the capacitance difference between uncovered and covered probe Set sensitivity as follows Quickstart Menu item D Horizontal mounting Vertical mounting rope version Capacitance difference uncovered covered Sensitivity Capacitance difference uncovered covered Sensitivity 0 8 1 5 pF 1 5 3 pF 3 6 pF 6 15 pF 15 23 pF 23 38...

Page 28: ... menus will not change Data storage of last valid calibration values If power supply is switched off the last valid calibration values are stored and are still valid when power is switched on again General items The unit allows to test the internal electronics and the external connected signal evaluation Test procedure In Measurement mode Start the test by pressing the TEST button for 3 seconds No...

Page 29: ...Level limit switch Series RF 3000 Technical Information Instruction manual page Advanced programming RFnivo 1 2 3 4 5 6 7 8 9 10 11 12 RF 3000 d gi241014 29 ...

Page 30: ...on similar to conventional potentiometer calibration but using a comfortable display and menu Procedure for Manual calibration see page 32 to 34 G OFF ON Manual calibration ON OFF If set to ON Menu items H P appear Menu items D Sensitivity in Quicksart Menu and F Auto recalibration are no more valid and will be hidden Push button calibration is no more possible if CAL button is pressed the display...

Page 31: ...ot influence the functionaly of the measurement If a failure is detected the display states ERR the red LED is on and the relais is set to de energized Electronic is defect and must be changed N xxx pF Actual calibrated Switchpoint covered uncovered If OR or UR is stated there is no valid calibration see Troubleshooting page 37 P xxx pF Actual calibrated Switchpoint uncovered covered If OR or UR i...

Page 32: ... list for dielectric constant DK of different materials Calibration with uncovered and covered probe This method is most safe since it sets the switchpoint in the middle between uncovered and covered probe This ensures the max distance to both uncovered and covered probe and thus ensures the max tolerance against e g material buildup It is required for lower DK values which give a lower change of ...

Page 33: ...ance is displayed This gives an indication at which capacitance the output will change from covered to uncovered If the output has once changed to uncovered and shall change back to covered the value must be decreased by the setted Hysteresis Menu item L If the actual measured capacitance is close to the limits of what the electronic can measure 400pF with sensitivity setting Low or 100pF with sen...

Page 34: ...etween capacitance of uncovered and covered probe as follows Switchpoint covered uncovered uncovered 1 0 5 x covered 2 uncovered 1 1 Capacitance uncovered probe see step 2 above 2 Capacitance covered probe see step 3 above With Low sensitivity range Advanced Menu item H If the difference between uncovered and covered probe is smaller than 4pF set either to High sensitivity or use a more sensitive ...

Page 35: ...al load traction from bulk material and reduced stability of a rope if it is not made from one piece Rod version Active probe Rope version Active probe Modifications on units with explosion approvals Hazardous Locations are not permitted Consult factory Modifications may change the technical data mechanical stability Never do modifications on other than the active part of the probe This will destr...

Page 36: ... to avoid that the wires are beeing twisted Note Inside the threaded bush is a seal ring which seals the tube to the threaded bush 6 Tighten the cable gland on the tube 7 Fasten the two fixing screws Tube Plug Mating plug Mating plug Threaded bush Threaded bush Cable gland Fixing screws Fixing screws All cable glands used for the remote cable must be closed tightly to reach ingress protection The ...

Page 37: ...with material Ensure that probe is unvovered Check if Probe is defect or defect incorrect probe wiring UR red blinking Under Range Actual measured capacitance is lower than 3pF Calibration not possible Excessive buildup is present on the probe Remove buildup Probe is defect or defect incorrect probe wiring G ON red blinking CAL button pressed with Manual calibration setted to ON Push button calibr...

Page 38: ...red 2 Unit not properly calibrated Recalibrate 4 Excessive material build up on active probe Increase distance to wall longer inactive length Change position Recalibrate with less sensitivity 4 Defect or incorrect probe wiring Check probe wiring see below Signal output states uncoverered while material is above the probe The actual measured capacitance 1 is less than the actual calibrated Switchpo...

Page 39: ... observed Cleaning agent must comply with the materials of the unit chemical resistance Mainly the lid sealing cable gland and the surface of the unit must be considered The cleaning process must be done in a way that The cleaning agent cannot enter into the unit through the lid sealing or cable gland No mechanical damage of the lid sealing cable gland or other parts can happen Units with EHEDG ce...

Page 40: ...t the internal grounding wire Opening the lid cover see safety notes on page before Hazardous Locations The unit must have always an electronic board inserted and conneted to the probe If the electronic board is not connected to the probe the probe acts as an isolated capacitance The risk of static charge and thus possible explosion is present Change of electronic board Electronic view from below ...

Page 41: ...definition of the Ex approvals are only valid for a container over pressure between 0 2 0 1 bar 2 9 1 45psi For higher or lower pressures the approvals are not valid Process and ambient temperature The permitted temperature ranges are marked on the name plate in case of conductive dust additional requirements for the installation may be necessary Permitted zones categories for mounting in partitio...

Page 42: ...emperature resp temperature class is the warmest temperature of the unit which could occur during malfunction according to Ex definition ambient side Max ambient temperature Max process temperature Max Surface temperature Temperature class 70 C 158 F 120 C 248 F 120 C 248 F T4 130 C 266 F 1 T4 195 C 383 F 1 T3 240 C 464 F 1 T2 295 C 563 F 2 1 T2 445 C 833 F 2 1 T1 1 The max surface temperature is ...

Page 43: ...can be recycled details of the used materials see chapter Technical data Mechanical data Recycling must be done by a specialised recycling company Since the product is not subject to the WEEE directive 2002 96 EG it is not permitted to bring it to a public recycling station RFnivo 1 2 3 4 5 6 7 8 9 10 11 12 RF 3000 d gi241014 43 ...

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