USER'S MANUAL *
Contents
1. 0 0 50 100 130 Ty C Pressure p7 version Tu for all models exept PP flanged RPH 112 DIN DN5O PN16 PN40 qec ToT ANSI 2 RF150 300 70 200 3000 55 a5 8 35 kt mA 95 105 115 130 Ty C For 3 wire DC models l load current Pr bar 4 DIN 11851 ve RD RE DN40 DN50 A RD 65x1 6 RD 78x1 4 20 0 50 90 Ty C For models with Polypropylene flange pr process pressure Tu medium temperature TALC 70 55 2 9 MATERIALS Special PVC EPDM Polyamid 4 4571 glassfibrereinforced t gt Polyamid 115 130 Ty C glassfibrereinforced For 2 wire AC models Ta ambient temperature Tu medium temperature 1a T Ai Klingerit 2 7 RESPONSE TIME DIAGRAM WHEN GETTING FREE oho 1 4571 Response time S 35 30 3 INSTALLATION 25 E Prevent the device from any mechanical damage 20 vertical position 1 5 gt 10 horisontal position JE 5 0 i 0 2000 4000 6000 8000 10000 viscosity cSt P For positioning the fork tines use the marking on the hexagonal neck aw e Use a TEFLON PTFE tape to aid the positioning of the fork tine 125 3000 e f the fork tine position is irrelevant use the sealing ring provided 4 2 e TUV A 03 ATEX 0021X rcm4004a0600h_04 Low viscosity liquids On applications where the f2. 0 Hz 12 55V DC Depending on load lt 0 6W Voltage drop in switched on state lt 10 5V lt 45V Electrical protection Class III max continuous Imax 350 MA DC Umax 55 V DC Current load Residual current in switched off state lt 6 mA lt 100 pA 2 4 ACCESSORIES User s manual Magnetic screw driver RPS 101 optional Guarantee sheet Sealing ring 2 mm thick KLINGER OILIT Declaration of conformity Sliding sleeve RPH 112 optional 2 5 ORDER CODES NIVOSWITCH R CONNECTIONS ODE ECTFE coated 1 BSP thread M SHORTY 69 mm Standard 1 NPT thread P Standard 125 mm 2 wire AC with cable l Highly polished G DIN DN50PN40 st st flange G l 0 2 to 3 m 02 30 3 wire PNP NPN with connector 2 ANSI st st flange B 3 wire PNP NPN with cable 50A JIS st st flange K 2 wire DC with connector DIN DN50 PN16 PP flange F 2 wire DC with cable 2 ANSI PP flange A 2 wire Ex with connector 50A JIS PP flange J 2 wire Ex with cable 1 Triclamp 1502852 T 2 Triclamp ISO2852 R Ex version with Ex mark DN40 Pipe coupling DIN11851 D DN50 Pipe coupling DIN11851 E Flanged versions as standard come with flanges screwed on the 1 process connection TUV A 03 ATEX 0021X rcm4004a0600h_04 4 1 2 6 DERATING DIAGRAMS Sliding Sleeve Version with flange pr bar 4 40 0 4
3. ROO 400 8 Ex 4 3 2 wire DC versions 4 3 1 Connector version Recommended switching unit non Ex PKK 312 0 PKK 312 8 Ex 4 3 2 Integral cable version ROoO 400 7 ROO 400 9 Ex Recommended switching unit non Ex PKK 312 0 Ex PKK 312 8 Ex 5 ADJUSTMENT Check connecting of the wires and position of the mode of operation switch if there is After connection and power up the tuning fork is operational Operating diagram of the NIVOSWITCH except 2 wire DC versions Power i ey Fork ecko lle Output HIGH level m U ranean RED bey i e limit switch O l Laal A l _ LOW level limit U Immersed switch ia gt L p ON O fi HIGH level U D limit switch CREEN t L Bi LOW level imit pep i Uy Free switch Li ic O X x FAILS ds oe NOT L ok LIT M immersed LOW Operating diagram of the 2 wire DC version Immersed 14 1 mA 4 4 e T V A 03 ATEX 0021X rcm4004a0600h_04 OPERATION TEST Correct operation of the switching circuit of an installed ain device can be tested with the optional test magnet RPS 101 Moving the test magnet in front of the marking on the cover of the housing the device must perform a switching LED A changes colour 5 1 APPLYING EX APPROVED MODELS is Applying Ex approved models take into consideration the table of allowed temperatures listed
4. Thank you for choosing a NIVELCO instrument We are sure that you will be satisfied with it throughout its use NIVOSWITCH Series R 400 R 400 Ex 1 OPERATION Vibrating fork level switches The NIVOSWITCH is a mechanical resonance system excited and kept in resonance by an electronic circuitry The process liquid when reaching the tines of vibration fork modifies the vibration The NIVOSWITCH can cover the majority of industrial liquid level detecting applications including installation in explosion hazardous area Overfill or dry run protection as well as pump control is made possible with the USER S MANUAL versatile level switch 2 TECHNICAL DATA 2 2 2 WiRE DC 2 1 GENERAL DATA i 2 NORMAL AND EX APPROVED VERSION 2 wire DC R 400 R 400 Ex VERSION ROO 400 6 ROO 400 7 ROO 4OO 8 Ex ROO 4OD 9 Ex Integral cable 40 bar 6 bar for PP flange see Electric connections Maximum pressure Connector derating diagrams wire cross section 2 x 0 5 mm Probe length 0 69 to 3 m Ingress Protection IP 65 IP 68 DIN 1 4571 DC current change Material of the wetted parts Halar ECTFE coated Output When free 9 1 mA When immersed 14 1 mA Pan Consumption lt 0 5W i temperature range see table in 5 1 and diagrams 1527 VDC Power supply U Provided by the PKK 312 8 Ex remote Ambient temperature range see table in 5 1 and diagrams switching unit for the Ex version By switch on the remote sw
5. below Temperature classification TAmbient 10 ntegral cable version NIVOSWITCH Connector version NIVOSWITCH Potential balancing cable R lt 1 ohm CONDITIONS OF SAFE OPERATION e Ambient and medium temperature see table above e The vibration fork level switch has to be operated in intrinsically safe circuits only Technical data see to point 2 2 e For installation of version ROO 400 9 Ex with integrated cable a suitable junction box shall be used e The level switch of type RAO 400 9 Ex is covered with plastic material that charges up electrostatically thus The velocity respectively mode of the filling and discharging process must be chosen according to the medium The medium to be measured must be an electrostatically conductive material the specific resistance of which does not exceed the value 104 Qm even under the most unfavorable places and conditions It is not permitted to clean the plastic material in explosion hazardous area e The level switch is not capable of withstanding the 500 V insulation test required by clause 6 4 12 of EN 50020 This must be considered during installation e The level switch shall be connected to local EP circuit with a copper wire min 4 mm within 1 m distance 6 MAINTENANCE REPAIR TH The NIVOSWITCH R 400 does not require routine maintenance In some instances however the sensor probe may need occasional clea
6. itching unit low er F 5 Liquid density gt 0 7 kg dm Setting operating mode fail safe hight fail safe Liquid viscosity lt 10000 mm s cSt When 0 5 se Electrical protection Class III immersed tid bx Response Ex protection mark 020g time ne lt 1 s see response time p amp Il 1 2 G EEx ia IIC T6 T4 Manufacturer diagram U lt 28V 1 lt 100 mA NIVELCO Process Control Co fe P lt 1 4 W H 1043 Budapest Dugonics U 11 Output mode indication Bicolour LED Intrinsically safe data Ceq lt 7 nF Phone 36 1 369 7575 Fax 36 1 369 8585 Output can be changed by test Leq 0 e mail sales nivelco com www nivelco com Operation test magnet For temperature classes see 5 1 2 3 2 WIRE AC AND 3 WIRE DC VERSIONS TO DRIVE RELAYS PLC S VERSION 3 wire DC ROO 400 1 ROO 400 2 ROO 400 3 ROO 400 4 Integral cable 4 x 0 75 mm Connector Integral cable 5 x 0 5 mm max length 30 m max length 30 m Mechanical protection IP 65 IP 68 IP 65 IP 68 High low mode setting Connection within connector Wire selectable switch selectable Wire selectable F Field selectable Field selectable galvanically isolated Output 2 wire AC for serial connection PNPINPN transistor switch PNPI NPN transistor switch Electric connections wire cross section Connector Output protection Ro E a G a Reverse polarity overcurrent and short circuit protection Supply voltage 20 255 VAC 50 6
7. low Junction Junction box box LOW level limit switch HIGH level limit switch ROO 400 3 ROO 400 4 In case of overload caused by short circuit transistor will switch on and off and LED will start to blink 4 2 1 Connector version ROO 400 3 4 2 3 WIRE DC VERSIONS M Operation mode H High level limit switch L Low level limit switch 4 2 1 1 Wiring diagram for 3 wire DC version with connector in case of relay application Terminal block cover can be rotated in 90 steps to ensure appropriate cable positioning 4 2 1 2 Wiring diagram for 3 wire DC version with connector for PLC application A B sink input IN_ OMRON SYSMAG 4 2 2 Integral cable version ROO 400 4 4 2 2 1 Relay application PNP mode ic Junction Junction box Junction Junction box box LOW level limit switch HIGH level limit switch TUV A 03 ATEX 0021X rcm4004a0600h_04 4 3 4 2 2 2 PLC applications A B sink input OMRON SYSMAC PNP mode Junction Junction box box LOW level limit switch HIGH level limit switch STANDARD OR EX ROO 400 6
8. ning to remove surface F deposits This must be carried out gently without harming the vibrating section of the vibrating fork 7 STORAGE CONDITIONS Ambient temperature 35 to 60 C Relative humidity max 98 8 WARRANTY All NIVELCO products are warranted to be free from defects according to the Warranty Sheet within two 2 years from the date of purchase recm4004a0600h_05 January 2004 Nivelco reserves the right to change technical specifications without notice
9. ork tines are easily freed from the process medium any of the mountings shown to the right is possible High viscosity liquids On applications where the fork tines are not freed easily from the process medium the horizontal mounting is recommended MUNU PUUN i 1 Wx f a pi UM NUU ANN MNNM Threaded version Critical distances Xmin gt 5 mm a jil E sae RASA For pipe mounting fork tines must be parallel to the direction of flow D a Switching point and switch differential for water at 25 C Switching point as well as the switch differential depends on liquid density and mounting position 4 ELECTRICAL CONNECTIONS RO O 40 O 1 connector ROO 400 2cable DO NOT POWER UP THE DEVICE WITHOUT A LOAD CONNECTED IN SERIES WITH THE UNIT AND WITHOUT GROUNDING IT 4 1 1 Connector versionROO 400 1 4 1 2 WIRE AC VERSIONS LOW level limit switch HIGH level limit switch Terminal block cover can be rotated in 90 steps to ensure appropriate cable positioning 4 1 2 Integral cable version ROO 40O0 2 This version is with 4 wire cable equipped Only one of the black and brown wires is used dependent on the operating mode High or Low Provide also a terminal block connection for the unused wire brown brown blue blue black black green yellow green yel
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