YOKOGAWA RAKD series User Manual Download Page 4

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<CONTENTS>

IM 01R01B30-00E-E 6th edition October 01, 2014-00

6. Service ..........................................................................................................6-1

6.1 Maintenance ....................................................................................................6-1

6.1.1 Function test ......................................................................................................... 6-1

6.1.2 Measuring tube, float ........................................................................................... 6-1

6.1.3 Explosion drawings ............................................................................................. 6-2

6.1.4 Electronic transmitter .......................................................................................... 6-3

6.1.5 Exchange of scale ................................................................................................ 6-3

6.1.6 Exchange of indicator .......................................................................................... 6-3

6.1.6 Troubleshooting .................................................................................................... 6-4

6.2 Template for sending back to service ..........................................................6-5

7. Technical Data .....................................................................................7-1

7.1 RAKD Type-, Suffix-codes and Options .........................................................7-1

7.2 Standard Specifications ..................................................................................7-6

7.3 Dimensions and weights .............................................................................. 7-12

7.4 Temperature curves ...................................................................................... 7-16

8. Explosion-protected Type Instruments ............................................8-1

8.1 General .............................................................................................................8-2

8.2 Intrinsically safe ATEX certified RAKD (/KS1) .............................................8-3

8.2.1 Technical data ...................................................................................................... 8-3

8.2.2 Installation ............................................................................................................ 8-5

8.3 Intrinsically safe IECEx certified RAKD (/ES1) ............................................8-6

8.3.1 Technical data ...................................................................................................... 8-6

8.3.2 Installation ............................................................................................................ 8-8

8.4 Non incendive RAKD for Category 3 (ATEX) (/KN1) ...................................8-9

8.5 Dust proofed limit switches (ATEX) (/KS2) ..................................................8-9

8.4 Intrinsically safe INMETRO certified RAKD (/US1) ....................................8-10

8.5 Intrinsically safe "ic" RAKD for Category 3G (ATEX /IECEx) (/KS3, /ES3) 8-11

Summary of Contents for RAKD series

Page 1: ...User s Manual Model RAKD Small Metal ROTAMETER IM 01R01B30 00E E Rota Yokogawa GmbH Co KG Rheinstr 8 D 79664 Wehr Germany IM 01R01B30 00E E Copyright 2003 Rü 6th edition October 2014 Rü ...

Page 2: ...Blank Page ...

Page 3: ... Precautions 2 1 2 1 Transportation and Storage 2 1 2 2 Installation 2 1 3 Installation 3 1 3 1 Installation in the pipeline 3 1 3 2 Wiring 3 1 3 2 1 Connecting diagrams 3 1 3 2 3 Conductor M12 connection Option A29 or A30 3 6 4 Start of operation 4 1 4 1 Hints on flow rate measurement 4 1 4 2 Pulsation and pressure shock 4 1 4 3 Start of operation of electronic transmitter 4 1 5 Limit switches Op...

Page 4: ... 7 1 RAKD Type Suffix codes and Options 7 1 7 2 Standard Specifications 7 6 7 3 Dimensions and weights 7 12 7 4 Temperature curves 7 16 8 Explosion protected Type Instruments 8 1 8 1 General 8 2 8 2 Intrinsically safe ATEX certified RAKD KS1 8 3 8 2 1 Technical data 8 3 8 2 2 Installation 8 5 8 3 Intrinsically safe IECEx certified RAKD ES1 8 6 8 3 1 Technical data 8 6 8 3 2 Installation 8 8 8 4 No...

Page 5: ...ertified RAKD GS1 8 19 APPENDIX 1 Safety Instrumented Systems Installation A1 1 A1 1 Scope and Purpose A1 1 A1 2 Using RAKD for a SIS Application A1 1 A1 2 1 Safety Function A1 1 A1 2 2 Diagnostic Response Time A1 2 A1 2 3 Setup A1 2 A1 2 4 Proof Testing A1 2 A1 2 5 Repair and replacement A1 2 A1 2 6 Startup Time A1 3 A1 2 7 Reliability data A1 3 A1 2 8 Lifetime limits A1 3 A1 2 9 Environmental li...

Page 7: ...o these instructions Yokogawa does not guarantee safety If this instrument is used in a manner not specified in this manual the protection provided by this instrument may be impaired As for explosion proof model if you yourself repair or modify the instrument and then fail to return it to its original form the explosion protected construction of the instrument will be impaired creating a hazardous...

Page 8: ...e maintenance of the instrument in question by the Purchaser handling use or storage of the instrument in question beyond the design and or specifications requirements use of the instrument in question in a location not conforming to the conditions specified in the Seller s General Specification or Instruction Manual retrofitting and or repair by an other party than the Seller or a party to whom t...

Page 9: ...entre or sales office Please describe any defect precisely and indicate model code as well as com no number YOKOGAWA refuses any liability for units which have been repaired by the user without prior consent and do not meet the specifications as a consequence 1 2 Principle of measurement The RAKD is a Variable Area Flow Meter for volume and mass measurements of gases and liquids A float whose move...

Page 10: ...0 50 l h II2G Ui 30V Ii 100mA KEMA 00ATEX 1037X Ex ia IIC T6 Transmitter Li 0 73mH Ci 2 4nF Pi 0 75W KEMA 00ATEX 1037X see certificate for data Ex ia IIC T6 Limit Switch SC2 N0 F12 EPS Flow scale Ex marking Ex data electronic transmitter Limit switch Ex data limit switch Ex marking Made in Germany D 79660 Wehr 20 Grad C 1 1 bar abs Wasser 0 99831 g cm 1 mPas MS Code RAKD41 G6SS 33NNN Kom Nr 200000...

Page 11: ...geneous static magnetic fields in the area of the RAKD like the geomagnetic field have no influence Asymmetric ferromagnetic bodies of considerable mass e g steel girders should be kept at a distance of at least 250 mm from the RAKD To avoid interference the distance between two adjacent RAKDs must be at least 120 mm Do not expose the unit to pressures higher than the indicated maximum operating p...

Page 12: ... by careful moving it with your fingers and watching whether it responds to the scale value If it does not work properly the mechanical display unit 14 must be changed To avoid damage of the float and of the stopper do not use magnetic valves In the phase of start up increase the flow slowly to the desired flow rate If a sudden rise of the pressure can not be avoided with use of magnetic valves th...

Page 13: ...nstructions on installation please refer to VDI VDE3513 In case of devices without valve but with process connection internal thread the float shaft of tubes with cone 44 and bigger sizes may move into the range of the threaded joint Keep attention not to bend the guide bar when screwing up the connection The inner diameter of the connector must be at least 8 mm for cone sizes 44 51 resp 10 mm for...

Page 14: ...o o o o o Limit Switch Type 2 I 25mA P 64mW L 0 15mH C 150nF KEMA 00ATEX 1037X Ex ia IIC T6 T4 Gb U 16V EN 60947 5 6 NAMUR Limit Switches RAKD T80 PTB 00ATEX 2081 L 97mH C 2320nF I 19 1mA P 51mW Transmitter Relay KFA6 SR2 Ex2 W U 10 6V Ex ia IIC KFA6 SR2 Ex2 W Supply 230V AC Limit MIN Limit MAX BU 2 BN BU BN 1 2 1 10 12 6 4 3 1 11 7 8 9 14 15 MIN F MAX S T U Hazardous Area Safe Area F3 EPS Fig 3 2...

Page 15: ...P 0 597W Ex ia IIC I 87 6mA Output 4 20mA Power supply 230V AC i i i i i o i i i i i o o o o P P i i i i i o L L I I o o o o BU 1 K 15 K 2 1 2 3 1 14 7 8 9 15 BN 1 1 2 L N O O S S U F G T Hazardous Area Safe Area Fig 3 3 RAKD in Ex version with electronic transmitter in combination with power supply and additional limit switch or pulse output with transmitter relay 3 2 2 Conductor connection with ...

Page 16: ...h to a length of approx 15 mm fig 3 4 and slide the union nut 1 the cap 2 and the rubber seal 3 onto the conductor Fig 3 4 Fig 3 5 Slide the rubber seal as far as the rim of the insulation and then slide the cap onto the rubber seal This provides the strain relief for the conductor fig 3 5 To connect the conductor please observe in particular the following steps ...

Page 17: ... 1 2 Cut off the projecting core ends Make sure that the core ends are flush with the splice ring 5 they can protrude by up to 3 mm but must not be too short Insert the prepared conductor into the QUICKON contact carrier 4 Turn the conductor with the splice ring until the coding noses fit exactly into the corresponding guides fig Close the gland by tightening the union nut This presses the core en...

Page 18: ...0 Pin assignment Connection Type Option Signal Upper connector 1 2 E T K1 K2 K3 K6 K7 K8 K9 K10 Single limit switch Two limit switches K3 K8 K9 K10 lower switch e g MIN MAX MIN Upper connector 3 4 E T K3 K8 K9 K10 Single limit switch Two limit switches K3 K8 K9 K10 upper switch e g MIN MAX MAX Lower connector 1 2 E Electronic transmitter 4 20 mA supply Lower connector 3 4 E CP Electronic transmitt...

Page 19: ...marginally 0 5 the present scale can be used If the RAKD is operated outside the given viscosity independent range the viscosities at the previous and new state of operation as well as the mass and diameter of the float have to be taken into account To establish a new scale please refer to the folder Anweisung zur Skalenumrechnung Instructions for Scale Conversion as well as the conversion table o...

Page 21: ... MIN or MAX MAX function is set by adjusting the switching direction of the transmitter relay The concerning 2 channel transmitter relays are Option W1B KFA5 SR2 Ex2 W Option W2B KFA6 SR2 Ex2 W Option W4B KFD2 SR2 Ex2 W The following table shows the assignment Function Switching direction of transmitter relay Channel 1 Channel 2 Channel 1 Channel 2 MIN MAX S1 position I S2 position I MIN MIN S1 po...

Page 23: ...er like tightening the packing of the valve the pressures in pressurized pipelines has to be reduced Take care that the counter screw is tighten after screwing the valve Disassembling the tube Please perform the following steps to clean the measuring tube and the float Disassemble the Rotameter from the pipe Unscrew hollowed top threaded bolt 6 for cone 31 43 resp remove top snap ring and socket f...

Page 24: ...ontroller Fig 6 2 RAKD with valve and controller F61 EPS F62 EPS No in Fig 6 1 and 6 2 Part 1 Tube for unit with valve and controller 2 Socket 3 Float stop 4 Cone 5 Float 6 Threaded bold 7 Gasket 8 Screw sealing plug 9 10 11 12 13 Packing for valve 14 Indicator 15 Nut M5 16 19 Nozzle 17 20 Cutting ring fitting 18 Controller 21 Tube for unit without valve and controller ...

Page 25: ...ision no code and data of new parts Switch off power supply Remove the cover of the indicator Do not bend or twist the pointer on its axis Exchange of scale Untighten the screw of the scale Remove the screw and the small cover Pull the scale out of the indicator to the left in which the scale raised on the right to raise it from the 2 pins Shove the new scale correspondingly below the pointer from...

Page 26: ...RAKD does not work properly use the following flow charts for troubleshooting then check isolate and remedy the fault Precision problems with T unit execute test acc fig 6 3 If the indicated countermeasure do not remedy the fault or in case of troubles which cannot be remedied by the user please contact your YOKOGAWA service centre F63 EPS Fig 6 3 ...

Page 27: ...ironment and for the safety of our staff YOKOGAWA may only ship repair and check sent devices on the condition that this does not constitute any risk to environment and staff YOKOGAWA can only process your returned RAKD if you attach a certificate of harmlessness according to the following sample If the unit has been in contact with corrosive poisonous flammable or water polluting substances you m...

Page 28: ...he outside of the packaging you use for shipment Customer data Company Address Contact person E Mail Phone no Fax no Reference Order no Instrument data Type Serial no Type Serial no If not enough note on separate sheet Process data Process medium Medium is toxic corrosive explosive biological hazardous unknown if dangerous non hazardous Remarks Cleaning agent Kind of cleaning Other remarks Reason ...

Page 29: ...ver VSE Indicator wit electronic output E 1 5 100 33 PTFE PCTFE VPE Cutting ring 4 150 34 Housing type Ø 6 PN 25 53 C3 6 200 37 With valve in outlet Stainless steel 80 Ø 8 PN 25 54 C3 10 325 41 Gasket Valve seat Ø 10 PN 25 55 C3 16 500 42 PTFE Silver VSA Power supply Ø 12 PN 25 56 C3 25 800 43 PTFE PCTFE VPA none for type T NNN 40 1400 44 24V 2 wire 4 20mA for type E 424 Nozzle 60 2000 47 Ø 6 PN 1...

Page 30: ...33 PTFE PCTFE VPE 1 4 NPT PN 100 41 T6 4 150 34 Housing type 6 200 37 With valve in outlet Stainless steel 80 Cutting ring 10 325 41 Gasket Valve seat Ø 6 PN 40 53 C4 16 500 42 PTFE Silver VSA Power supply Ø 6 PN 100 53 C6 25 800 43 PTFE PCTFE VPA none for type T NNN Ø 8 PN 40 54 C4 40 1400 44 24V 2 wire 4 20mA for type E 424 Ø 8 PN 100 54 C6 60 2000 47 Ø 10 PN 40 55 C4 SS 100 3250 51 Ø 10 PN 100 ...

Page 31: ...g type ANSI 1 2 300 lbs 01 A2 6 200 37 Stainless steel 80 ANSI 1 300 lbs 02 A2 10 325 41 16 500 42 Power supply Internal thread 25 800 43 none for type T NNN G 1 4 PN 100 41 G6 40 1400 44 24V 2 wire 4 20mA for type E 424 G 1 4 PN 160 41 G7 60 2000 47 1 4 NPT PN 100 41 G6 SS 100 3250 51 1 4 NPT PN 160 41 G7 Cone Dp mbar Cutting ring 31 37 6 Ø 6 PN 100 53 C6 41 43 8 Ø 6 PN 160 53 C7 44 51 11 Ø 8 PN ...

Page 32: ...DN 15 PN 40 01 D4 160 5000 52 Local indicator T DN 25 PN 40 02 D4 250 8000 53 Indicator wit electronic output E ANSI 1 2 150 lbs 01 A1 ANSI 1 150 lbs 02 A1 Cone Dp mbar Housing type ANSI 1 2 300 lbs 01 A2 52 53 13 Stainless steel 80 ANSI 1 300 lbs 02 A2 Power supply Internal thread none for type T NNN G 3 8 PN 100 42 G6 24V 2 wire 4 20mA for type E 424 G 3 8 PN 160 42 G7 3 8 NPT PN 100 42 G6 SS 3 ...

Page 33: ...04 2 1 As P2 Test report acc to EN 10204 2004 2 2 Material certificate acc to EN 10204 2004 3 1 PAMI test 1 test point metering tube PAMI test 4 test points metering tube connection heads sealing plug PAMI test 5 test points metering tube connection pieces slip on flanges Not for R1 and R3 Only for tube connection heads screw sealing plug Only for models without valve Only for models with valve On...

Page 34: ...ndication scale Flow units Indicator housing Material Stainless steel AISI 304 1 4301 Degree of Protection IP66 67 Scales Standard removable aluminium plate with scale double scale as option Transportation and storage condition 40 C to 110 C ELECTRONIC TRANSMITTER Indicator Code E Temperature range 25 C to 65 C Transportation and storage condition 40 C to 70 C Process Ambient temperature The depen...

Page 35: ...it switch option K6 or K7 is ordered for power supply option W2E or W4E must be selected If Fail Safe limit switch option K8 K9 or K10 is ordered for power supply option W2F or W4F must be selected SWITCHING LEVELS FOR LIMIT SWITCHES Table 1 Min Max and Min Max contact in standard version Option K1 Option K2 Option K3 Function Pointer Signal Signal Signal SC2 N0 SC2 N0 SC2 N0 MAX above LV below LV...

Page 36: ... to and including SIL2 RAKD with valve and controller with local indicator and standard or fail safe limit switches RAKD SS V T NNN R K1 K10 Suitable for application in safety functions up to and including SIL1 Reliability data available on request in FMEDA report COMPLIANCE WITH ISO 13849 For Safety Metrics acc to ISO 13849 2 please refer to the FMEDA report METROLOGICAL REGULATION IN CIS AND EAC...

Page 37: ...ion proof Ex nL IIC T6 protection nL group II category 3G Dust proof Ex II 3D group II category 3D Max surface temperature 80 C Entity parameter see table 6 Temperature specification see table 7 RAKD with ATEX certification intrinsic safe ic option KS3 Output signal 4 20 mA Pulse output Limit switches Explosion proof Ex ic IIC T6 Gc group II category 3G Entity parameter see table 6 Temperature spe...

Page 38: ...S3 Output signal 4 20 mA Pulse output Limit switches Explosion proof Ex ic IIC T6 Gc group II category 3G Entity parameter see table 8 Temperature specification see table 9 RAKD with NEPSI certification intrinsic safe China option NS1 Certificate GYJ101552 Output signal 4 20 mA Explosion proof Ex ia IIC T5 T6 Max Tamb 65 C Limit switches option K1 to K8 see certificates GYJ11 1505X Entity paramete...

Page 39: ...nsmitter option UT Type Power supply with galvanically separated input and output RN221N B1 HART compatible Certificate ATEX PTB 00 ATEX 2018 IECEx PTB06 0089 NEPSI GYJ06495 Supply voltage 20 250 V DC AC 50 60 Hz Maximum load impedance 700 Ω Output signal 4 20 mA Control circuit Intrinsically safe Ex ia IIC group II category 1 GD Entity parameters see fig 5 Power supply for intrinsically safe limi...

Page 40: ...ber 01 2014 00 7 TECHNICAL DATA 7 12 All Rights Reserved Copyright 2003 Rota Yokogawa 7 3 Dimensions and weights F7 EPS F8 EPS F13 EPS Fig 7 2 Version without valve Fig 7 3 Version with flange connection Fig 7 4 Back view with mounting ...

Page 41: ...0E E 6th edition October 01 2014 00 7 TECHNICAL DATA 7 13 All Rights Reserved Copyright 2003 Rota Yokogawa F9 EPS Cutting ring F12 EPS Cutting ring Fig 7 5 Version with inlet valve Fig 7 6 Version with outlet valve ...

Page 42: ...ght 2003 Rota Yokogawa Cutting ring G or NPT thread approx 135 approx 113 approx 60 F10 eps ENG 018554 Cutting ring G or NPT thread approx 135 approx 113 approx 60 F11 eps ENG 018555 Fig 7 7 Version with inlet valve and inlet controller Fig 7 8 Version with outlet valve and back pressure controller ...

Page 43: ... NPT 1 4 NPT INSTALLATION LENGTHS DEPENDING ON CONNECTION TYPE AND SIZE TABLE 7 13 L1 L2 L3 Process connection Size Cone 31 51 Cone 52 53 Cone 31 53 Cone 31 51 Cutting ring 6 mm 178 mm 54 5 mm 164 mm 8 mm 172 mm 51 5 mm 161 mm 10 mm 174 mm 52 5 mm 162 mm 12 mm 174 mm 177 mm 52 5 mm 162 mm Nozzle 6 mm 182 mm 56 5 mm 166 mm 8 mm 182 mm 56 5 mm 166 mm WEIGHTS TABLE 7 14 without valve with valve with ...

Page 44: ...Fig 7 9 For option KS1 or KN1 Ex i versions ATEX the maximum values for ambient and process temperature according to the respective temperature class mentioned in fig 5 and table 7 must be regarded For option ES1 Ex i versions IECEx the maximum values for ambient and process temperature according to the respective temperature class mentioned table 9 must be regarded For option NS1 Ex i version NEP...

Page 45: ...R01B30 00E E 6th edition October 01 2014 00 All Rights Reserved Copyright 2003 Rota Yokogawa 8 Explosion protected Type Instruments This is only applicable to the countries in European Union GB DK I E NL SF P F D S LT LV PL EST SLO H BG RO M CZ SK GR ...

Page 46: ...da for hazardous classified locations Class I Division 1 Groups A B C D The RAKD with option NS1 is NEPSI certified The RAKD with option US1 is INMETRO certified The RAKD must be connected to an intrinsically safe certified power supply with a maximum voltage and output power below the maximum values of the RAKD refer to Technical data section 7 The combined internal inductance and capacity of the...

Page 47: ...n 94 9 EG ATEX II 2 G Data of electronic transmitter type E Type of protection Intrinsically safe Ex ia IIC T6 T4 Gb Ambient temperature 25 C 65 C Safety relevant maximum values Supply current output Maximum voltage Ui 30 V Maximum current Ii 100 mA Maximum power Pi 750 mW Inner inductance Li 0 73 mH Inner capacity Ci 2 4 nF Pulse output Maximum voltage Ui 16 V Maximum current Ii 20 mA Maximum pow...

Page 48: ...current and power of the connected limit switch as specified above For example the type KFA6 SR2 Ex option W2_ according certificate PTB 00 ATEX 2081 230V AC supply or the type KFD2 SR2 Ex option W4_ according certificate PTB 00 ATEX 2080 24V DC supply can be used Temperature specification Table 8 1 Configura tion Max ambient temperature Max process tem perature Temperature class Transmitter 4 20m...

Page 49: ... L 0mH KEMA 00ATEX 1037X Puls output Ex ia IIC T6 T4 Gb U 10 6V KEMA 00ATEX 1037X L 0 15mH C 150nF U 16V I 25mA P 64mW PTB 00ATEX 2081 L 97mH C 2320nF I 19 1mA P 51mW Limit switch type 2 EN 60947 5 6 NAMUR Limit switch or Pulse output KFA6 SR2 Ex1 W Transmitter relay Option W2A Ex ia IIC 4 20mA output I 100mA U 30V KEMA 00ATEX 1037X L 0 73mH C 2 4nF P 0 75W Ex ia IIC T6 T4 Gb RAKD E80 Option KS1 O...

Page 50: ...ature 25 C 65 C Safety relevant maximum values Supply current output Maximum voltage Ui 30 V Maximum current Ii 100 mA Maximum power Pi 750 mW Inner inductance Li 0 73 mH Inner capacity Ci 2 4 nF Pulse output Maximum voltage Ui 16 V Maximum current Ii 20 mA Maximum power Pi 64 mW Inner inductance Li 0 mH Inner capacity Ci 0 nF Data of limit switches Type of protection Intrinsically safe Ex ia IIC ...

Page 51: ...may not exceed the safety relevant maximum values for voltage current and power of the connected limit switch as specified above For example the type KFA6 SR2 Ex option W2_ according certificate IECEx PTB 11 0031 230V AC supply or the type KFD2 SR2 Ex option W4_ according certificate IECEx PTB 11 0034 24V DC supply can be used Temperature specification Table 8 2 Configura tion Max ambient temperat...

Page 52: ...ia IIC T6 T4 Gb U 16V P 64mW I 20mA C 0nF L 0mH Puls output Ex ia IIC T6 T4 Gb U 10 6V L 0 15mH C 150nF U 16V I 25mA P 64mW L 97mH C 2320nF I 19 1mA P 51mW Limit switch SC2 NO type 2 EN 60947 5 6 NAMUR Limit switch or Pulse output KFA6 SR2 Ex1 W KFA6 SR2 Ex1 W Transmitter relay EEx ia IIC 4 20mA output I 100mA U 30V L 0 73mH C 2 4nF P 0 75W Ex ia IIC T6 T4 Gb RAKD E80 Option ES1 Transmitter power ...

Page 53: ...dition October 01 2014 00 All Rights Reserved Copyright 2003 Rota Yokogawa 8 4 Intrinsically safe INMETRO certified RAKD US1 Used standards ABNT NBR IEC 60079 0 2008 ABNT NBR IEC 60079 11 2009 Technical data see IECEx chapter 8 3 1 Installation see IECEx chapter 8 3 2 ...

Page 54: ...Pi 750 mW Inner inductance Li 0 73 mH Inner capacity Ci 2 4 nF Pulse output Maximum voltage Ui 16 V Maximum current Ii 20 mA Maximum power Pi 64 mW Inner inductance Li 0 mH Inner capacity Ci 0 nF Protection circuit for a power supply to meet the maximum values Data of limit switches Type of protection Intrinsically safe Ex ic IIC T6 Gc Safety relevant maximum values SC2 NO K1 K3 SJ2 S N K6 K10 Typ...

Page 55: ...1 Non incendive Cl I Div 2 GP A B C D T5 Ta 50 C Cl II Div 1 GP E F G Cl III Div 1 Maximum Entity Field Wiring Parameters see FM control drawing 116 0165 on page 8 11 and 8 12 for intrinsic safety see FM control drawing 116 0155 on page 8 13 for non incendive 8 6 2 Limit switches option K1 K10 CS1 for Canada Data of limit switches CSA approval The limit switches are intrinsically safe devices They...

Page 56: ...r Ui and Imax or Ii for the intrinsically safe apparatus and the approved values of Ca or Co and La or Lo for the associated apparatus are greater than Ci Ccable Li Lcable respectively for the intrinsically safe apparatus 3 Barriers shall not be connected to any device that uses or generates in excess of 250V rms or DC unless it has been determined that the voltage is adequately isolated from the ...

Page 57: ... N A RJ10 Bia 90 20 75 90 100 70 85 100 55 70 90 N A N A N A RJ10 a Bia 90 20 75 90 100 70 85 100 55 70 90 N A N A N A RJ15 Na 130 20 75 90 100 70 85 100 55 70 90 N A N A N A RJ15 a Na 130 20 75 90 100 70 85 100 55 70 90 N A N A N A RJ15 Bia 90 50 75 90 100 70 85 100 55 70 90 N A N A N A RJ15 a Bia 90 50 75 90 100 70 85 100 55 70 90 N A N A N A RJ21 Na 30 25 75 90 100 70 85 100 55 70 90 N A N A N ...

Page 59: ... 8 EXPLOSION PROTECTED TYPE INSTRUMENTS 8 15 IM 01R01B30 00E E 6th edition October 01 2014 00 All Rights Reserved Copyright 2003 Rota Yokogawa CSA limit switches intrinsically safe 1 ...

Page 60: ... 8 EXPLOSION PROTECTED TYPE INSTRUMENTS 8 16 IM 01R01B30 00E E 6th edition October 01 2014 00 All Rights Reserved Copyright 2003 Rota Yokogawa CSA limit switches intrinsically safe 2 ...

Page 61: ...ner inductance Li 0 73 mH Inner capacity Ci 2 4nF Pulse output Maximum voltage Ui 16 V Maximum current Ii 20 mA Maximum power Pi 64 mW Inner inductance Li 0 mH Inner capacity Ci 0nF Data of limit switches option K1 to K10 The following table shows the maximum safety parameters for intrinsic safe limit switches according the certificate NEPSI GYJ06542X Table 8 3 Standard K1 K3 Fail Safe K6 K10 Type...

Page 62: ...ansmitter Pulse output Limit switch Standard K1 K3 Type 2 Type 3 Ui V 30 16 16 16 Ii mA 100 20 25 52 Pi mW 750 64 64 169 Li µH 730 5 150 150 Ci nF 2 4 5 150 150 Temperature specification Table 8 4 Configuration Max ambient temperature Max process temperature Temperature class Indicator E limit switch type 2 65 C 65 C T6 50 C 80 C 45 C 100 C T5 38 C 135 C T4 Indicator T with limit switch es type 2 ...

Page 63: ...its and parameter settings A1 2 Using RAKD for a SIS Application A1 2 1 Safety Function Suitable for use in Safety Instrumented Systems are the versions listed in table 1 only The safety related data listed in this manual does not apply to other versions of RAKD V1 RAKD standard RAKD SS NNN T8 NNN V2 RAKD with head valve RAKD SS V T8 NNN V3 RAKD with head valve controller RAKD SS V T8 NNN R Table ...

Page 64: ...oximately 99 of possible DU failures in the variable area flow meter RAKD can be claimed The following tools need to be available to perform proof testing Measurement instrument to verify output status of the limit switches The person s performing the proof test of the Yokogawa RAKD variable area flow meter should be trained in SIS operations including bypass procedures flow meter maintenance and ...

Page 65: ... limits The expected lifetime of the Yokogawa Rota Yokogawa RAKD variable area flow meter is 10 years The reliability data listed in 2 7 is only valid for this period The failure rates of the Rota Yokogawa RAKD variable area flow meter may increase sometime after this period Reliability calculations based on the data listed in A1 2 7 for Rota Yokogawa RAKD variable area flow meter lifetimes beyond...

Page 66: ...ion Verification The demonstration for each phase of the life cycle that the output deliverables of the phase meet the objectives and requirements specified by the inputs to the phase The verification is usually executed by analysis and or testing Validation The demonstration that the safety related system s or the combination of safety related system s and external risk reduction facilities meet ...

Page 67: ... of 10 years and a Mean Time To Restoration of 24 hours Table 2 Summary for RAKD V1 with fail safe limit switches 3 Failure rates Profile 2 Profile 4 Fail Safe Detected λSD 0 FIT 0 FIT Fail Safe Undetected λSU 132 FIT 174 FIT Fail Dangerous Detected λDD 4 FIT 19 FIT Fail Dangerous Undetected λDU 62 FIT 108 FIT SFF 4 68 7 64 1 MTBF 486 years 310 years SIL AC 5 SIL2 SIL2 Safety metrics according to ...

Page 68: ...el required PLr c PLr c Performance Level calculated 6 60E 08 1 h 1 27E 07 1 h T Proof 1 year T Proof 5 years T Proof 10 years PFDAVG 2 96E 04 PFDAVG 1 37E 03 PFDAVG 2 72E 03 Table 4 Summary for RAKD V2 with fail safe limit switches 3 Failure rates Profile 2 Profile 4 Fail Safe Detected λSD 0 FIT 0 FIT Fail Safe Undetected λSU 162 FIT 215 FIT Fail Dangerous Detected λDD 4 FIT 19 FIT Fail Dangerous...

Page 69: ...el required PLr c PLr c Performance Level calculated 1 27E 07 1 h 1 97E 07 1 h T Proof 1 year T Proof 5 years T Proof 10 years PFDAVG 5 87E 04 PFDAVG 2 72E 03 PFDAVG 5 39E 03 Table 6 Summary for RAKD V3 with fail safe limit switches 3 Failure rates Profile 2 Profile 4 Fail Safe Detected λSD 0 FIT 0 FIT Fail Safe Undetected λSU 232 FIT 334 FIT Fail Dangerous Detected λDD 4 FIT 19 FIT Fail Dangerous...

Page 70: ...4 PFDAVG 4 49E 03 PFDAVG 8 89E 03 3 The switching contact output is connected to a fail safe NAMUR amplifier e g Pepperl Fuchs KF SH Ex1 The failure rates of the amplifier are not included in the listed failure rates 4 The complete sensor subsystem will need to be evaluated to determine the overall Safe Failure Fraction The number listed is for reference only 5 SIL AC architectural constraints mea...

Page 72: ... CORPORATION OF AMERICA 2 Dart Road Newnan GA 30265 USA www yokogawa com us YOKOGAWA ELECTRIC ASIA Pte LTD 5 Bedok South Road Singapore 469270 Singapore www yokogawa com sg YOKOGAWA CHINA CO LTD 3F Tower D Cartelo Crocodile Building No 568 West Tianshan Road Changing District Shanghai China www yokogawa com cn YOKOGAWA MIDDLE EAST B S C c P O Box 10070 Manama Building 577 Road 2516 Busaiteen 225 M...

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