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Hazardous area supplement to the QuickStart  

 OPTIFLUX 

12 

4.3

 

EEx i signal I/O 

connections 

Following intrinsically safe signal I/Os are available: 

I/O PCB 

I/O functions 

Ex i I/O 

Current  HART 
communication 
 
Pulse / Status Output  
 
Current Output, active 
+ HART communication 

EEx ia IIC  
Ui =30V, Ii = 100 mA, Pi = 1,0 W 
Ci = 10nF, Li = negligibly low 
 
EEx ia IIC 
Uo = 21 V, Io = 90 mA, Po = 0,5 W 
linear characteristic 
Co = 90 nF,   Lo =2,0 mH 
Co = 110 nF, Lo =0,5 mH 

 

Ex i Option 

 

Current Output 
 
Pulse / Status Output / 
Control Input 
Current Output, active 

EEx ia IIC  
Ui =30V, Ii = 100 mA, Pi = 1,0 W 
Ci = 10nF, Li = negligibly low 
 
EEx ia IIC 
Uo = 21 V, Io = 90 mA, Po = 0,5 W 
linear characteristic 
Co = 90 nF,   Lo = 2,0 mH 
Co = 110 nF, Lo = 0,5 mH 

 

Fieldbus I/O 

 

Profibus-PA 
 
Foundation Fieldbus 

EEx ia IIC  
Ui = 24 V, Ii = 380 mA, Pi = 5,32 W 
Ci , Li = negligibly low, 
suitable for connection to an 
intrinsically safe fieldbus in 
accordance with the FISCO-model 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for OPTIFLUX 4000 F

Page 1: ...lowmeters are delivered ready for operation Switch on and measure Supplement to the QuickStart Electromagnetic flowmeters Variable area flowmeters Mass flowmeters Ultrasonic flowmeters Vortex flowmeters Flow controllers Level measuring instruments Pressure and temperature Heat metering Communications technology Switches counters displays and recorders Engineering systems solutions ...

Page 2: ...make any commitment to update the information contained herein This manual and all other documents are subject to change without prior notice KROHNE will not be liable for any damage of any kind by using this device including but not limited to direct indirect incidental punitive and consequential damages This disclaimer does not apply in case KROHNE has acted on purpose or with gross negligence I...

Page 3: ...n safety of the devices Be sure to follow these instructions IMPORTANT The prescriptions and regulations as well as the electrical data described in the EC type examination certificate must be obeyed Beside the general regulations for low voltage installations such as HD384 etc the regulations laid down in the standard for electrical installations in gas hazardous areas such as EN 60079 14 or dust...

Page 4: ... 2 1 OPTIFLUX 4300 4 2 2 OPTIFLUX 5300 6 3 Connection diagrams 7 3 1 Equipotential bonding 8 3 2 Cable and conduit entries 8 4 Electrical connection 9 4 1 General 9 4 2 Non EEx I signal I O connections 10 4 3 EEx i signal I O connections 12 5 Service and maintenance 14 5 1 Maintenance 14 5 2 Replacement of mains fuse 14 5 3 Returning the device for service or repair 14 Appendix 1 EC declaration of...

Page 5: ...5 mA injected square wave current Electrode terminals in type of protection Intrinsic safety EEx ia terminals 1 2 3 and 4 Ui 20 V Ii 175 mA Ci 0 nF Li 0 mH Connection box electrode terminals 1 2 20 3 30 4 and 40 EEx ia Intrinsic Safety Connection box field coil terminals 7 8 and 9 EEx e Increased safety The cable gland for the electrode circuits is as intrinsic safe circuit marked with a blue O ri...

Page 6: ... following types of protection are used DN 2 5 15 EEx me DN 25 100 EEx d The electrode circuits in the coil housing are always in type of protection EEx ia EEx marking OPTIFLUX 5300 C Nominal diameter EEx e or EEx ia connection compartment EEx d connection compartment 2 5 15 EEx dme ia IIC T6 T3 EEx dme ia IIC T6 T3 25 100 EEx de ia IIC T6 T3 EEx d ia IIC T6 T3 1 4 IFC 300 EEx marking for all vers...

Page 7: ...pe examination certificate 6 General EEx notes and warnings 7 Specific EEx notes and warnings The data sticker on the IFC 300 converter typically contains following information 1 Name and address of the manufacturer 2 Name of flowmeter serial no manufacturing date 3 Electrical data mains circuit 4 CE sign with identification number s of notified body bodies 5 Specific sign for explosion protection...

Page 8: ...ture class Ta 40 C 40 C Ta 50 C 50 C Ta 60 C T6 75 70 70 T5 95 90 75 T4 130 115 75 T3 150 115 75 OPTIFLUX 4000 DN 25 150 EEx d coils Temperature class Max process temperature Tp in C Ta 40 C 40 C Ta 50 C 50 C Ta 60 C T6 70 70 70 T5 85 85 85 T4 120 120 120 T3 180 180 180 use heat resistant cables for Tp above Not needed 155 105 OPTIFLUX 4000 DN 200 300 EEx qe coils Temperature class Max process tem...

Page 9: ...erature limit Tm is determined by the temperature class T6 T3 of the gas hazardous area of concern the maximum ambient temperature Ta and the nominal diameter For dust hazardous areas the maximum surface temperature is equal to the medium temperature with a minimum of 85 C For ease of reference the flowmeter variants are simply denoted by main type of EEx protection of the flow sensor e g EEx m fo...

Page 10: ... 2 5 15 and 40 C for DN 25 100 The maximum process temperature Tp is dependent on the required temperature class T6 T3 and the maximum ambient temperature Ta OPTIFLUX 5000 Max process temperature Tp in C Temperature class for Gas Maximum surface temperature for Dust C Ta 40 C 40 C Ta 50 C 50 C Ta 65 C T6 85 65 65 60 T5 95 85 85 75 T4 130 125 125 115 T3 180 180 165 140 use heat resistant cable for ...

Page 11: ...ctrodes Screens marked with are mounted under the associated saddle earth clamps Cables type A and E DS300 electrode cables for 2 or 4 electrodes respectively to EN 60079 14 clause 12 2 Intrinsic safety Cable can be ordered from manufacturer Cable type B and F BTS300 electrode cables for 2 or 4 electrodes respectively to EN 60079 14 clause 12 2 Intrinsic safety Cable can be ordered from manufactur...

Page 12: ...between flowmeter and converter can be left out if by other means e g over bonding conductors over the metal piping system a high level of assurance that potential equalization exists between flowmeter and converter is reached 3 2 Cable and conduit entries The flowmeters are normally delivered with two EEx e certified cable glands If these are replaced by other cable glands or thread adapters the ...

Page 13: ...m for a specific IFC 300 EEx converter can be found on the sticker inside the cover of the connection compartment For use in gas hazardous areas The cable entry devices shall be in line with the type of protection chosen for the terminal compartment that is increased safety EEx e or flameproof enclosure EEx d They should be suitable for the conditions of use and correctly installed The flowmeter w...

Page 14: ...ssive highC or Namur Modular carrier with 1 or 2 I O modules each module 1 out of following 3 in output functions Current Output active or passive Status Pulse Output active or passive highC or Namur Control Input active or passive highC or Namur Profibus DP I O Profibus DP active Fieldbus I O Profibus PA or Foundation Fieldbus The options separated with slash are software selectable can be change...

Page 15: ... PA PA D8A to DLL Fieldbus I O Profibus PA with Module Carrier with 1 or 2 I O Modules many combinations possible PA PA E88 Fieldbus I O Foundation Fieldbus n c n c FF FF E8A till ELL Fieldbus I O Foundation Fieldbus with Module Carrier with 1 or 2 I O Modules many combinations possible FF FF F00 FL0Profibus DP I O n c DP a DP a DP a F80 till FL0Profibus DP I O with 0 or 1 I O Module many combinat...

Page 16: ...x ia IIC Uo 21 V Io 90 mA Po 0 5 W linear characteristic Co 90 nF Lo 2 0 mH Co 110 nF Lo 0 5 mH Ex i Option Current Output Pulse Status Output Control Input Current Output active EEx ia IIC Ui 30V Ii 100 mA Pi 1 0 W Ci 10nF Li negligibly low EEx ia IIC Uo 21 V Io 90 mA Po 0 5 W linear characteristic Co 90 nF Lo 2 0 mH Co 110 nF Lo 0 5 mH Fieldbus I O Profibus PA Foundation Fieldbus EEx ia IIC Ui 2...

Page 17: ...tion Intrinsic safety A maximum of 4 intrinsically safe EEx ia in outputs are possible All intrinsically safe circuits are galvanically insulated with respect to earth and to each other To avoid summation of voltages and currents the wiring of these EEx ia circuits must be sufficiently separated e g in line with the requirements of standard EN IEC 60079 14 section 12 2 The EEx ia signal in outputs...

Page 18: ...rely present any problems Should you nevertheless need to return a device for inspection or repair please pay strict attention to the following points Due to statutory regulations on environmental protection and safeguarding the health and safety of our personnel KROHNE may only handle test and repair returned devices that have been in contact with products without risk to personnel and environmen...

Page 19: ...Hazardous area supplement to the QuickStart 15 OPTIFLUX Appendix 1 EC declaration of conformity ...

Page 20: ...Altometer Addition to the Installation and Operating instructions Optiflux 4300 C EEx rev 0 20 07 2004 ...

Page 21: ...lation in Gas G hazardous areas classified as zone 1 or 2 and in Dust D hazardous areas classified as zone 21 or zone 22 Additionally the EEx ia signal in outputs of the IFC 300 EEx converter may run or originate from a Zone 0 Gas hazardous area The flowmeter incorporates several types of protection against ignition namely Converter housing connection compartment with in output terminals L N or L ...

Page 22: ... EEx ia connection compartment EEx d connection compartment 10 20 EEx dme ia IIC T6 T3 EEx dme ia IIC T6 T3 25 150 EEx de ia IIC T6 T3 EEx d ia IIC T6 T3 200 300 EEx dqe ia IIC T6 T3 EEx dqe ia IIC T6 T3 350 3000 EEx de ia IIC T6 T3 EEx de ia IIC T6 T3 Special versions 25 150 EEx dqe ia IIC T5 T3 EEx dqe ia IIC T5 T3 200 300 EEx de ia IIC T6 T3 EEx de ia IIC T6 T3 Data sticker A representative exa...

Page 23: ... range 40 till 60 C The flowmeter is certified for gas group IIC temperature classes T6 T3 The limit for the process medium temperature Tm is determined by the temperature class T6 T3 of the gas hazardous area of concern the maximum ambient temperature Ta and the DN size see following tables Note for ease of reference the several flowmeter variants are simply denoted by the main EEx type of protec...

Page 24: ...150 130 150 130 80 Table 4 Maximum medium temperatures for EEx q flowmeters DN200 300 and EEx e flowmeters DN200 300 and 350 3000 The minimum process medium temperature for all DN sizes is 40 C For the special version Optiflux 4300 C RT EEx only possible for EEx e flowmeters sizes DN200 300 or DN350 3000 the limit temperature for T3 is restricted to 130 C see values in brackets in line T3 of table...

Page 25: ...hreads free of dirt The thread must be well greased with a suitable teflon grease for example to make a smooth run possible For opening of the covers first the retention lock must be disabled by means of a hexagonal socket screwdriver no 3 After closing of the covers the retention lock must be enabled again Before opening of the electronic compartment a delay time after de energizing has to be res...

Page 26: ...ide of the IFC300 electronic unit The CG30 number contains 10 characters of which the last three XYZ determine the IO configuration IO circuits CG30 X Y Z pos 1 4 5 6 7 8 9 10 determine IO circuits Table 6 Explanation to CG30 numbers Schematic overviews of the CG30 numbers can be found in paragraph 2 2 non EEx i IO in outputs and 2 3 EEx i IO in outputs The overviews do not show all details The ex...

Page 27: ...trical installations in hazardous areas e g EN 60079 14 From this standard section 9 Wiring systems is valid for all types of protection Section 10 additional requirements for type of protection d Flameproof enclosures section 11 additional requirements for type of protection e Increased safety and section 12 additional requirements for type of protection i Intrinsic safety are valid for EEx e EEx...

Page 28: ...or 2 IO modules each module 1 out of following 3 in output functions Current Output active or passive Status Pulse Output active or passive highC or Namur Control Input active or passive highC or namur Profibus DP IO Profibus DP active Fieldbus IO Profibus PA or Foundation Fieldbus Notes the options separated with slash are software selectable can be changed by user the options separated by the wo...

Page 29: ... IO Modules many combinations possible D88 Fieldbus IO Profibus PA n c n c PA PA D8A till DLL Fieldbus IO Profibus PA with Module Carrier with 1 or 2 IO Modules many combinations possible PA PA E88 Fieldbus IO Foundation Fieldbus n c n c FF FF E8A till ELL Fieldbus IO Foundation Fieldbus with Module Carrier with 1 or 2 IO Modules many combinations possible FF FF F00 Profibus DP IO n c DP a DP a DP...

Page 30: ...e available IO pcb in output functions Ex i IO Current Output HART communication Pulse Status Output Current Output active HART communication EEx ia IIC Ui 30V Ii 100 mA Pi 1 0 W Ci 10nF Li negligibly low EEx ia IIC Uo 21 V Io 90 mA Po 0 5 W linear characteristic Co 90 nF Lo 2 0 mH Co 110 nF Lo 0 5 mH Ex i Option Current Output Pulse Status Output Control Input Current Output active EEx ia IIC Ui ...

Page 31: ... C C terminals D D 200 n c n c CO a PO SO 300 Ex i IO n c n c CO PO SO 210 CO a PO SO CI CO a PO SO 220 CO PO SO CI CO a PO SO 310 CO a PO SO CI CO PO SO 320 Ex i IO with Ex i Option CO PO SO CI CO PO SO D00 Fieldbus IO Profibus PA n c n c PA PA D10 CO a PO SO CI PA PA D20 Fieldbus IO Profibus PA with Ex i Option CO PO SO CI PA PA E00 Fieldbus IO Foundation Fieldbus n c n c FF FF E10 CO a PO SO CI...

Page 32: ...ith the requirements of standard EN IEC 60079 14 section 12 2 The EEx ia signal in outputs may only be connected to other EEx ia or ib certified apparatus e g intrinsically safe isolation amplifiers even if these apparatus are installed in the non hazardous area Connection to an non EEx i apparatus cancels the EEx ia properties of the flowmeter Terminals L N or L L for mains connection are always ...

Page 33: ...it can be completely moved from the housing The mains fuse is placed in a fuse holder at the back end of the electronic unit Replacement types must have a high breaking capacity to IEC 60 127 The rated nominal values must be 1 6 A for the 100 230 Vac version and 2 0 A for the 12 24 Vdc version Consult the standard Installation and Operating Instructions for the correct nominal value 4 Maintenance ...

Page 34: ...ux 4300 C EEx compact electromagnetic flowmeter is designed and manufactured conform following harmonized standards EN 50 014 1997 A1 A2 EN 50 017 1998 EN 50 018 2000 EN 50 019 2000 EN 50 020 2002 EN 50 028 1987 EN 50 281 1 1 1998 EN 61 326 1 1997 A1 A2 EN 61 010 1 2001 The Optiflux 4300 C EEx flowmeter is examined and type approved under EC type examination certificate KEMA 04 ATEX 2077 X The Kro...

Page 35: ...Altometer Addition to the Installation and Operating instructions Optiflux 5300 C EEx rev 0 23 06 2004 ...

Page 36: ...tion namely Converter housing connection compartment with in output terminals L N or L L and A A A B B C C D D standard EEx e Increased safety special EEx d Flameproof Enclosure For certain versions of converter IFC300 EEx the terminals A A A B B C C D and D are additionally in type of protection EEx ia Intrinsic Safety Consult the table with CG30 numbers for details in section 4 Converter housing...

Page 37: ...cturing date 3 Electrical data mains circuit 4 CE sign with identification number s of notified body bodies 5 specific sign for explosion protection 6 Symbols and code letters for explosion safety group II categories 2 1 Gas Dust GD EEx followed by the code letters for each used type of protection gas group IIC and temperature classes T6 T3 7 Warnings relevant for the explosion safety 8 Electrical...

Page 38: ...ture is equal to the medium temperature with a minimum of 85 C 2 Electrical connection 2 1 General Warnings The covers of the housing electronic compartment and the housing itself are provided with flameproof thread Compared with normal thread the fitting of flameproof thread is relatively tight due to explosion proof requirements Therefore screwing on or off of the cover must be done with care ne...

Page 39: ...onnection for signal in outputs PELV circuits non EEx i or EEx i dependant on specific version of the IFC300 EEx converter ordered Consult the table with CG30 numbers below for details Table 1 Function and electrical data of the IFC300 EEx terminals The exact IO configuration for circuits A B C and D is order specific that is determined by the CG30 number shown on the converter check sticker on th...

Page 40: ...storage must be replaced by suitable EEx d certified glands plugs or conduit accessories before the flowmeter is taken into service Unused openings shall be closed by suitable certified closing elements The wiring of the compact flowmeter has to be conform the requirements specified in the relevant national or regional standard for electrical installations in hazardous areas e g EN 60079 14 From t...

Page 41: ...or 2 IO modules each module 1 out of following 3 in output functions Current Output active or passive Status Pulse Output active or passive highC or Namur Control Input active or passive highC or namur Profibus DP IO Profibus DP active Fieldbus IO Profibus PA or Foundation Fieldbus Notes the options separated with slash are software selectable can be changed by user the options separated by the wo...

Page 42: ... IO Modules many combinations possible D88 Fieldbus IO Profibus PA n c n c PA PA D8A till DLL Fieldbus IO Profibus PA with Module Carrier with 1 or 2 IO Modules many combinations possible PA PA E88 Fieldbus IO Foundation Fieldbus n c n c FF FF E8A till ELL Fieldbus IO Foundation Fieldbus with Module Carrier with 1 or 2 IO Modules many combinations possible FF FF F00 Profibus DP IO n c DP a DP a DP...

Page 43: ...for in output functions CO current output PO Pulse Output SO Status Output CI Control Input PA Profibus PA FF Foundation Fieldbus DP Profibus DP all in outputs are passive unless otherwise noted as active a n c is not connected ...

Page 44: ... 21 V Io 90 mA Po 0 5 W linear characteristic Co 90 nF Lo 2 0 mH Co 110 nF Lo 0 5 mH Ex i Option Current Output Pulse Status Output Control Input Current Output active EEx ia IIC Ui 30V Ii 100 mA Pi 1 0 W Ci 10nF Li negligibly low EEx ia IIC Uo 21 V Io 90 mA Po 0 5 W linear characteristic Co 90 nF Lo 2 0 mH Co 110 nF Lo 0 5 mH Fieldbus IO Profibus PA Foundation Fieldbus EEx ia IIC Ui 24 V Ii 380 m...

Page 45: ...ers with EEx ia in outputs Notes shorts for in output functions CO current output PO Pulse Output SO Status Output CI Control Input PA Profibus PA FF Foundation Fieldbus DP Profibus DP all in outputs are passive unless otherwise noted as active a n c is not connected The IO circuits named Ex i IO Ex i Option are always in type of protection Intrinsic safety EEx ia The IO circuits Fieldbus IO Profi...

Page 46: ...nic unit is fixed Now carefully slide the electronic unit forward When them unit is almost completely moved out of the housing the long rectangular 14 pole blue connector at the back end of the unit must be released This connector is for the connection of the electrode and coil circuits Now the unit can be completely moved from the housing The mains fuse is placed in a fuse holder at the back end ...

Page 47: ...MC directive 89 336 EC The Optiflux 5300 C EEx compact electromagnetic flowmeter is designed and manufactured conform following harmonized standards EN 50 014 1997 EN 50 018 2000 EN 50 019 2000 EN 50 020 2002 EN 50 028 1987 EN 50 281 1 1 1998 EN 50 081 1 EN 50 081 2 EN 61 010 1 The Optiflux 5300 C EEx flowmeter is examined and type approved under EC type examination certificate KEMA 04 ATEX 2127 X...

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