Level limit switch Rotonivo® 3000/6000
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Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual 2 Page Safety notes/ Technical support 2 --------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------Mounting 19 --------------------------------------------------------------------------------------------------------Electrical installation 23 --------------------------------------------------------------------------------------------------------Signal and alarm output 28 --------------------------------------------------------------------------------------------------------- Setting/ Sensitivity 31 --------------------------------------------------------------------------------------------------------Maintenance 32 -------------------------------------------------------------------------------------------------------Notes for use in Hazardous Locations Subject to technical change We assume no liability for typing errors. Different variations than specified are possible. Please contact our technical consultants.

Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual Safety notes / Technical support Installation, maintenance and commissioning may be accomplished only by qualified technical personnel. The product must be used only in the manner outlined in this instruction manual. 3 Special attention must be paid to warnings and notes as follows: WARNING Relates to a caution symbol on the product: A failure to observe the necessary precautions can result in death, serious injury and/ or considerable material damage. Relates to a caution symbol on the product: Risk of...

Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual Applications The ROTONIVO is an electromechanical Level limit switch and is used for level monitoring of bulk goods. The units can be delivered with a wide range of Ex-approvals for use in Hazardous Areas. They can be equipped for process over- and lowpressure and also for very high or low process temperatures. • building materials industry lime, styrofoam, moulding sand, etc. • food industry milk powder, flour, salt, etc. • plastics industry plastics granules etc. • timber industry • chemical industry •...

Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual Fail safe alarm With the option fail safe alarm it is possible to recognize a fault of the unit in time and to initiate an alarm relay. The following faults are observed: A measuring vane is driven by a synchronous motor. The bearing of the motor inside the housing allows it to swing. The motor is fixed to a switching lug. If the vane is uncovered, a spring pulls the motor and switching lug to the left position (figure 1). When material covers the vane and thus stops the rotation, the motor and switching lug...

Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual Shaft sealing and metal material Application Material of Radial rotary shaft sealing (1) Metal NBR (Nitrile Butadiene Rubber Animal feed press Synthetic granules, powders Salt Dust filter (temp. up to 392°F) Dust filter (temp. up to 302°F) Stainless steel Wood chip dryer Pressure conveying vessel, 8 bar Carbon black Shaft sealings are available as well food grade conform and metal detectable (see options pos.17 and 29y). According to selected process temperature and process pressure they are delivered...

Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual Technical Data Dimensions Housing versions Series RN 6000 de explosionproof with increased safety terminal box Series RN 6000 d flameproof/ explosionproof Process temperature Flush welding socket Thread/ flange Temperature extended shaft With measuring vanes "boot shaped" and "hinged vane" the length "L" can be increased by 10mm (0.39"). Details see selection code pos.10.

Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual Technical Data Without sealing and bearing at tube end (see also option pos.32) Process temperature Temperature extended shaft With measuring vanes "boot shaped" and "hinged vane" the length "L" can be increased by 10mm (0.39"). Details see selection code pos.10. RN ..002 rope Type standard (pos.1 C) (max. 4 kN load) Type reinforced (pos.1 H) (max. 28 kN load) Thread/ Flange Thread/ Flange With measuring vanes "boot shaped" and "hinged vane" the length "L" can be increased by 10mm (0.39"). Details see...

Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual Technical Data Process temperature Temperature extended shaft Flush welding socket Thread/ Flange Temperature extended shaft With measuring vanes "boot shaped" and "hinged vane" the length "L" can be increased by 10mm (0.39"). Details see selection code pos.10. Process conne

Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual Technical Data Measuring vanes code B,C,E,F,G,I rectangular vane rectangular rectangular rectangular rectangular rectangular rectangular code A boot shaped vane 40 x 98 code K hinged vane 98 x 200 double sided b=28 mm (1.1") for 1"/ M32 x 1.5 to lead in 1½“ socket (length of socket max. 40 mm (1.57”)) code D boot shaped vane 35x106 code S hinged vane 98 x 100 single sided b=28 mm (1.1") for 1"/ M32 x 1.5 to lead in 1¼ “ socket (length of socket max. 40 mm (1.57”)) code R boot shaped vane 28 x 98 Insertion of...

Level limit switch Series RN 3000 / 6000 Technical information / Instruction manual Technical Data Electrical data Connection terminals Cable entry M20 x 1.5 screwed cable gland NPT 1/2“ conduit connection NPT 3/4” conduit connection (only RN 6000) Clamping range (diameter) of the factory provided cable glands: M20 x 1.5: 6 .. 12 mm (0.24 .. 0.47") Protection class Overvoltage category Pollution degree Power supply Installed load Signal and alarm output Power to signal and alarm output: 2,225 Vrms Signal output to signal output (DPDT): 2,225 Vrms Indicating light By built-in LED (apart from...