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Level limit switch

Series RF 8000

Technical Information / Instruction manual

page

Interface detection

Operation - Electronic module: Standard

* Interface detection with top mounted sensors is possible with detection of oil over water, since oil has a much lower
dielectric constant compared to water. For other applications please contact manufacturer.

yellow

Liquid A
or foam

Liquid B

Liquid A
or foam

Liquid B

yellow

1. Immerse probe in liquid A

or in foam which should

NOT be detected

Ensure that liquid A or foam (which should
NOT be detected) is covering the probe.

Liquid A or foam must have a

lower dielectric

constant

than liquid B, which should

be detected.

2. Turn poti P2 to most

sensitve position

Turn P2 fully counter clockwise

3. Set sensitivity low or high

Set dip switch S5 to low sensitivity.
L1 should glow.

If L1 (yellow) does not glow, set S5 to high sensitivity.
L1 should glow.

Note: The appropriate position of S5 depends
on the dielectric properties of the material.

4. Adjust switchpoint

with poti P2

Turn P2 clockwise until L1 just stops glowing.

Turn P2 further clockwise:

Dielectric constant

of material

Number of

turns

< 2

1/8

2 ... 4

1/4

> 4

1/2

Depending on the application and the required
switchpoint the number of turns can be varied.

Note: The sensitivity is now setted thus that liquid A or foam is NOT detected.

5. Immerse probe in liquid B

which should be detected

Ensure that liquid B (which should
be detected) is covering the probe.

L1 should glow.

Switchpoint adjustment is

finished

see note below
for top mounted
sensors *

c RF 8000

gi150917

RFnivo

Содержание RFnivo RF 8000 Series

Страница 1: ...cal data 11 Operating conditions 12 Approvals 16 Mounting 17 Electrical installation 20 Operation Electronic module Standard 24 Operation Electronic module Digital 30 Notes for use in Hazardous Locations 31 Probe Modifications 36 Subject to technical change We assume no liability for typing errors All dimensions in mm inch Different variations than specified are possible Please contact our technic...

Страница 2: ...us injury and or considerable material damage WARNING Relates to a caution symbol on 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 cons...

Страница 3: ... The RF 8000 requires a connection to earth ground for effective capacitance measurement The power supply is galvanically isolated The materials used in the probe construction provide a high level of chemical resistance and an excellent temperature rating on the process wetted portion of the probe up to 400 C 752 F RF 8000 is available in two models the standard model and the digital model with in...

Страница 4: ...al user interface or installed as part of a network programmed remotely using SIMATIC PDM on Profibus PA network or locally using the Local User Interface Alarm signalling The solid state switch can be set to react either to a diagnosed fault in the instrument or to a change in the process level Fault Signalling RF 8000 can actively report information on its own status via PROFIBUS PA when used as...

Страница 5: ... Dimensions Enclosure Temperatur extended shaft RF 8100 optional RF 8200 standard Threaded process connection Flanged process connection M20x1 5 cable gland Temperatur extended shaft RF 8100 optional RF 8200 standard NPT 1 2 conduit Top view 1 2 3 4 5 6 7 8 9 10 11 12 RF 8000 c gi150917 5 RFnivo ...

Страница 6: ...rocess connection active shield 2 L active shield 1 L measuring length 1 For RF8100 coated with PFA Standard 125mm 4 92 Optional 250 mm 9 84 or 400 mm 15 75 2 For RF8100 coated with PFA Standard 105 mm 4 13 Optional 230 mm 9 06 or 380 mm 14 96 measuring length Detail A probe L does not include any raised face see page 8 1 2 3 4 5 6 7 8 9 10 11 12 c RF 8000 gi150917 6 RFnivo 20 mm 0 79 ø 19mm 0 75 ...

Страница 7: ...process connection Flanged process connection active shield 2 L active shield 1 L measuring length 2 Coated with PFA Standard 105 mm 4 13 Optional 230 mm 9 06 or 380 mm 14 96 measuring length Detail A 1 Coated with PFA Standard 125mm 4 92 Optional 250 mm 9 84 or 400 mm 15 75 L does not include any raised face see page 8 1 2 3 4 5 6 7 8 9 10 11 12 RF 8000 c gi150917 7 RFnivo 20 mm 0 79 ø 32mm 1 26 ...

Страница 8: ... 5L 3 300 lbs 8 22 2 0 87 168 2 6 62 209 6 8 25 28 6 1 13 5M 3 600 lbs 8 22 2 0 87 168 2 6 62 209 6 8 25 31 7 1 25 5N 4 150 lbs 8 19 1 0 75 190 5 7 5 228 6 9 0 23 9 0 94 5P 4 300 lbs 8 22 2 0 87 200 0 7 87 254 0 10 0 31 7 1 25 5Q 4 600 lbs 8 25 4 1 0 215 9 8 5 273 1 10 75 38 1 1 5 EN 1092 1 type A flat faced 6A DN25 PN16 4 14 0 0 55 85 0 3 35 115 0 4 53 18 0 0 71 6B DN25 PN40 4 14 0 0 55 85 0 3 35...

Страница 9: ...AC 250 V AC 8 A resistive load Solid state switch Rated 30 V DC or peak 30 V AC 82 mA Time delay ON OFF alarm selectable 1 to 60 seconds duration Hysteresis Dependent on DK max 2 mm 0 08 DK 1 5 Failsafe operation Failsafe High or Failsafe Low Delay timers 2 Alarm ON to OFF and Alarm OFF to ON Electronic module Standard Relay SPDT Solid State Electronic module Digital Profibus PA Solid State Power ...

Страница 10: ...ogical inversion Parameterizable Simulation functions Output yes Input yes Failsafe Parameterizable last usable value substitute value erroneous value Block Structure Physical block 1 Transducer block 1 Transducer block discrete input Yes Monitoring measuring limits Yes Alarm Output Solid state switch Galvanically isolated non polarity sensitive transistor Rated 30V DC or peak AC max 82mA max Volt...

Страница 11: ...R BSPP G 1 1 1 NPT Welded flange ASME 1 1 2 3 4 DN 25 40 50 80 100 n a 1 4404 316L FKM seals optional FFKM PFA lining on Active Shield PEEK isolators Rope 25 000 mm 985 Threaded 1 1 BSPT R BSPP G 1 1 1 NPT Welded flange ASME 1 1 2 3 4 DN 25 40 50 80 100 1 900 kg 4 188 lbs 1 4404 316L Active Shield and cable weight 1 4404 316L cable optional PFA jacketed cable FKM seals optional FFKM PEEK isolators...

Страница 12: ...l Location Indoor outdoor Altitude 2 000 m 6 562 ft max Ambient temperature 40 to 85 C 40 to 185 F With ATEX approval 40 to 80 C 40 to 176 F with Flameproof or Dust Ignition Proof 40 to 60 C 40 to 140 F with Intrinsically safe The max resutling temperature close to the enclosure see dottet line resulting from the temperature increase from process side must be limited by installation to 80 C 176 F ...

Страница 13: ...ves Extended rod and rope versions threaded High temperature rod version threaded P permitted operating pressure T permitted operating temperature atmosheric atmosheric P permitted operating pressure T permitted operating temperature Example Permitted operating pressure 30 bar 435 psi at 75 C 1 2 3 4 5 6 7 8 9 10 11 12 RF 8000 c gi150917 13 RFnivo ...

Страница 14: ...E welded flange High temperature rod version ASME welded flange P permitted operating pressure T permitted operating temperature P permitted operating pressure T permitted operating temperature 1 The curve denote the minimum allowable flange class for the shaded area below atmosheric atmosheric 1 2 3 4 5 6 7 8 9 10 11 12 c RF 8000 gi150917 14 RFnivo ...

Страница 15: ...N welded flange High temperature rod version EN welded flange P permitted operating pressure T permitted operating temperature P permitted operating pressure T permitted operating temperature 1 The curve denote the minimum allowable flange class for the shaded area below atmosheric atmosheric 1 2 3 4 5 6 7 8 9 10 11 12 RF 8000 c gi150917 15 RFnivo ...

Страница 16: ...nition Proof ATEX II 1 2 D CSA FM Class II Div 1 Gr E F G Class III TR CU INMETRO Flame Proof Explosion Proof ATEX II 1 2 G Ex d ia IIC CSA FM Class I Div 1 Gr A B C D TR CU INMETRO Intrinsically Safe 1 ATEX II 1 G Ex ia IIC CSA FM Class I Div 1 Gr A B C D Marine Lloyds Register of Shipping Categories ENV1 ENV2 and ENV5 Electronic module Standard Relay SPDT Solid State General Purpose CE CSA FM TR...

Страница 17: ...l alarm Angled mounting Angle The rope version is designed for top mounting The cable suspends vertically so that it reaches into the process at the desired detection level high or low detection alarm RF 8000 rope version Installation shall only be performed by qualified personnel and in accordance with local governing regulations This product is susceptible to electrostatic shock Follow proper gr...

Страница 18: ... If multiple units are used allow at least 500 mm 20 between them to prevent interference Multiple Units Side View End View Mounting Restrictions Sensors must be 500 mm 20 apart Mount diagonally if space is restricted 500 mm 20 min 500 mm 20 min 500 mm 20 min Wall Restriction 1 2 3 4 5 6 7 8 9 10 11 12 c RF 8000 gi150917 18 RFnivo 50 mm 2 min 50 mm 2 min ...

Страница 19: ... probe from falling material Process Cautions for solids Consider material surface configuration when installing unit Tensile load must not exceed probe or vessel rating Note Buildup of material in Active Shield area does not affect switch operation In Hazardous Locations Observe Specifc condition of use for electrostatic charge see page 33 1 2 3 4 5 6 7 8 9 10 11 12 RF 8000 c gi150917 19 RFnivo 5...

Страница 20: ...ing by means of a metallic screwed gland WARNING All field wiring must have insulation suitable for at least 250 V Only qualified personnel are authorized to install and operate this equipment in accordance with established safety practices and standards The Protective Earth Terminal indicated by must be connected to reliable ground In case of non metallic vessels the external earth wire should be...

Страница 21: ... 3 Ground the instrument according to local regulations 4 Tighten the gland to form a good seal Power supply 12 to 250 V AC DC 0 to 60 Hz 2W max Signal output Relay Floating relay SPDT AC max 250V 8A 2000VA non inductive DC max 30V 5A 150W non inductive Solid state switch 30 V DC or 30 V AC peak 82 mA Observe protection see below Power supply Relay internal wiring Solid state switch polarity not i...

Страница 22: ...PA polarity not important internal wiring Solid state switch polarity not important internal wiring blue blue red black white Protection diode Observe a Protection diode in case of connecting an external relay to the Solid state switch Protection of Solid State Switch Solid state switch With use of Profibus PA the wiring must be according to Profibus PA standards If Profibus PA is not used a shiel...

Страница 23: ...2 W 5 32 W 825 mW 1 5 W Ci 5 nF 5 nF 0 0 Li 10 µH 10 µH 0 0 NOTES 1 Fieldbus input specified to the fisco model 2 Manufacture s installation instructions must be followed for installation of Associated Intrinsically Safe Apparatus 3 Either one or both wire pairs between Associated Intrinsically Safe Apparatus must be grounded screened or shielded wires 4 For FM Installation must be in accordance w...

Страница 24: ...y switch relay switch relay switch relay switch Factory setting Factory setting S2 Delay uncovered to covered S1 S2 Delay active Delay off Delay active Delay off Signal output delay Sensor covered to uncovered Signal output delay Sensor uncovered to covered Delay time seconds DIP switches L3 green L1 yellow Factory setting LEDs L1 Sensor status yellow ON if sensor is detected as covered capacitanc...

Страница 25: ...d see DIP switch S2 has passed the signal output and LED2 red are switching If sensor is covered Setting S4 to Test mode simulates a uncovered probe After the setted delay time Sensor covered to uncovered see DIP switch S1 has passed the signal output and LED2 red are switching S4 Test Factory setting Factory setting S5 Sensitivity setting S5 Low sensitivity This setting is prefered for measuring ...

Страница 26: ...merse sensor in liquid A or foam Select the switchpoint adjustment according to the application as follows 1 Ensure material level is well below the probe The unit will calibrate to an uncovered probe 2 Set to high sensitivity Set dip switch S5 to high sensitivity 3 Adjust switchpoint with poti P2 If LED L1 yellow is OFF turn poti P2 counter clockwise until L1 is ON Turn P2 clockwise until L1 just...

Страница 27: ...low Note The appropriate position of S5 depends on the dielectric properties of the material 4 Ensure material level is well below the probe It is important that as much material buildup as possible is retaining on the sensor 5 Adjust switchpoint with poti P2 Turn P2 clockwise until L1 just stops glowing Turn P2 further clockwise Dielectric constant of material Number of turns 2 1 8 2 4 1 4 4 1 2 ...

Страница 28: ... sensitve position Turn P2 fully counter clockwise 3 Set sensitivity low or high Set dip switch S5 to low sensitivity L1 should glow If L1 yellow does not glow set S5 to high sensitivity L1 should glow Note The appropriate position of S5 depends on the dielectric properties of the material 4 Adjust switchpoint with poti P2 Turn P2 clockwise until L1 just stops glowing Turn P2 further clockwise Die...

Страница 29: ...w responds when sensor is uncovered Check that relay changes state when S3 is toggled ON and OFF Alarm doesn t switch on when sensor is covered L1 yellow doesn t respond when sensor is covered Check sensitivity switch S5 Readjust trip point potentiometer P2 L1 yellow responds when sensor is covered Check that relay changes state when S3 is toggled ON and OFF L1 yellow flashes when material level a...

Страница 30: ...it switch Series RF 8000 Technical Information Instruction manual page See separate Operating Manual Digital Electronic Operation Electronic module Digital 1 2 3 4 5 6 7 8 9 10 11 12 c RF 8000 gi150917 30 RFnivo ...

Страница 31: ... EN 60079 17 in Europe Repair of this equipment shall be carried out by suitably trained personnel in accordance with the applicable code of practice e g ABNT NBR IEC EN 60079 19 within Europe Repair of flameproof path is not intended Components to be incorporated into or used as replacements in the equipment shall be fitted by suitably trained personnel in accordance with the manufacturer s docum...

Страница 32: ... marked on the name plate as follows If both Flameproof and Dust ignition proof are present on the same nameplate a tick box is present where the end user needs to select mark the protection method used at the time of installation For Dust Ignition Proof symbol refers to the Max Surface Temperature see page 34 Dust Ignition Proof Typecode Pos 2 W II 1 2 D Ex ia tb IIIC T200 Da Db Flameproof Dust I...

Страница 33: ... correctly installed The minimum ingress protection requirement of IP6X according to EN 60529 must be satisfied Specific condition of use Intrinsically safe supply For intrinsically safe models power must be supplied from an Intrinsically Safe power source otherwise protection is no longer guaranteed Process pressure The device construction allows process over pressure up to 10 or 35 bar 146 or 51...

Страница 34: ...C 40 to 275 F 1 T4 40 to 80 C 40 to 176 F 40 to 200 C 40 to 392 F 1 T3 40 to 80 C 40 to 176 F 40 to 300 C 40 to 572 F 2 T2 40 to 80 C 40 to 176 F 40 to 400 C 40 to 752 F 2 T1 ATEX 1 Only applicable for versions with thermal isolator or for High temperature version 2 Only applicable for High temperature version Electronic module Standard Electronic module Digital process side thermal isolator ambie...

Страница 35: ... 40 to 185 F T4 Ambient temperature range Temperature class 40 to 40 C 40 to 40 F T6 40 to 85 C 40 to 185 F T4 Intrinsically safe Installation shall be done according to FM CSA Approval Connection drawing on page 23 Explosion proof Dust ignition proof Process temperature is not considerd for definition of Temperature class 1 2 3 4 5 6 7 8 9 10 11 12 RF 8000 c gi150917 35 RFnivo ...

Страница 36: ...he lay of the rope i e no wire strands sticking outside the normal rope profile Make sure ALL strands are properly seated before continuing the assembly 4 Push the weight onto the rope while simultaneously rotating it counter clockwise around the rope Make sure that no rope strands are pushed out of their position in the rope and that the rope is fully inserted 5 Re fasten the weight by tightening...

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