KROHNE OPTIFLUX 4040 C Series Supplementary Instructions Manual Download Page 18 | Manualshive

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MAINTENANCE AND SERVICE

18

OPTIFLUX 4040 C

www.krohne.com

09/2010 - 7312232100 - AD EX OPTIFLUX 4040 C R01 en

•

Screw the display cover as tight as possible into the housing by hand, so that the gasket of the
cover must be clamped to provide the required ingress protection (IP) degree.

•

Tighten the hexagon socket head cap screw of the interlocking device.

INFORMATION!

Refer to the standard installation and operating instructions for detailed information about
resetting and reprogramming the new electronics unit after replacement.

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Summary of Contents for OPTIFLUX 4040 C Series

Page 1: ...UX 4040 C OPTIFLUX 4040 C OPTIFLUX 4040 C OPTIFLUX 4040 C Supplementary instructions Supplementary instructions Supplementary instructions Supplementary instructions KROHNE 09 2010 7312232100 AD EX OPTIFLUX 4040 C R01 en ...

Page 2: ...3 Approval 6 1 4 General description 6 1 4 1 Flow sensor 7 1 4 2 Signal converter 7 1 5 Nameplates 8 2 Temperature limits 9 2 1 Temperatures 9 3 Electrical connections 10 3 1 Equipotential bonding system 10 3 2 Terminal arrangment 10 3 3 Description of the output circuits 11 3 4 Safety technical data 12 3 5 Connection examples 13 3 5 1 Example of OPTIFLUX 4040 C EEx in 2 wire mode 13 3 5 2 Example...

Page 3: ...he event any applicable law does not allow such limitations on implied warranties or the exclusion of limitation of certain damages you may if such law applies to you not be subject to some or all of the above disclaimer exclusions or limitations Any product purchased from the manufacturer is warranted in accordance with the relevant product documentation and our Terms and Conditions of Sale The m...

Page 4: ...tion To prevent any injury to the user or damage to the device it is essential that you read the information in this document and observe applicable national standards safety requirements and accident prevention regulations If this document is not in your native language and if you have any problems understanding the text we advise you to contact your local office for assistance The manufacturer c...

Page 5: ...g refers to the immediate danger of burns caused by heat or hot surfaces DANGER This warning refers to the immediate danger when using this device in a hazardous atmosphere DANGER These warnings must be observed without fail Even partial disregard of this warning can lead to serious health problems and even death There is also the risk of seriously damaging the device or parts of the operator s pl...

Page 6: ... with one of the codes below EEx marking WARNING Do not change the device Unauthorized changes affect the explosion safety of the devices The prescriptions and regulations as well as the electrical data described in the EC type examination certificate must be obeyed Beside the instructions for electrical installations in non hazardous locations according to the applicable national standard equival...

Page 7: ...tment Terminal compartment Terminal compartment The terminal compartment has seven terminals for all connections There are two versions possible with a different explosion protection according to the European Standards which is dependent on the safety technical maximum voltage Um of the mains power supply system to which the flowmeter is connected Version A terminal compartment EEx de ib with U Ve...

Page 8: ... C EEx is delivered with an EEx e cable gland and EEx e blind stop The cable gland and blind stop are suitable for connections in EEx e and EEx ib but not for EEx d When connection is planned in EEx d special EEx d certified conduits glands or blind stops must be used ATEX approved EEx d cable glands screw threaded adapters as well as blind plugs are no integral part of the delivery and must be pu...

Page 9: ...0 Temperature classification DN10 20 Temperature classification DN10 20 Temperature classification DN25 150 Temperature classification DN25 150 Temperature classification DN25 150 Temperature classification DN25 150 Temperature for gasses Max surface temperature for dusts Maximum process liquid temperature Ta 40 C Ta 50 C Ta 60 C T6 T85 C 75 C 70 C 70 C T5 T100 C 95 C 90 C 75 C T4 T135 C 130 C 115...

Page 10: ...utes a passive 4 20 mA current loop and includes the HART protocol of the communication device choice of polarity free Additional power supply or power booster Additional power supply or power booster Additional power supply or power booster Additional power supply or power booster These terminals are connected to provide the 2x2 wire mode choice of polarity free Binary outputs Binary outputs Bina...

Page 11: ...t EEx de with Um m m m 250 V This version is intended for applications where the mains power supply system provides a maximum safety technical voltage of Um 250 V The terminals can either be provided with type of protection increased safety EEx e according to EN 50019 or flameproof enclosure EEx d conform to EN 50018 Type of protection intrinsical safety EEx ib is not allowed for this version Impo...

Page 12: ...er is recommended 3 4 Safety technical data Safety technical data of output circuits CAUTION The functional technical data must also be regarded please see the standard documentation Terminal designation Function Electrical data per circuit Type of protection EEx ib Type of protection EEx e Circuit 1 I Ignd Current output passive 2 wire connection 4 20 mA HART is possible Maximum values Ui 30 V Ii...

Page 13: ...ire mode If data communication with the flowmeter through the HART protocol is required the transmitter power supply unit must be HART compatible Terminals I Ignd are not polarity sensitive The entity parameters of the EEx i approved transmitter power supply including the cable capacitances and inductances must fit the entity parameters of the OPTIFLUX 4040 C EEx compact flowmeter namely Ui 30 V I...

Page 14: ...between the two circuits It is strictly interdicted to use the IMoCOM adapter with the IFC 040 EEx unit The voltage of the external power supply unit must be carefully chosen to keep it within the allowed limits The upper limit is determined by the maximum working voltage of the zener barrier which in general lies a few volts below the maximum open voltage value Uo of the used zener barrier The lo...

Page 15: ...rier is 22 mA x 340 Ω 7 5 V This means that the external power supply must supply an output voltage to the zener barrier that lies in the range somewhere between 21 5 25 5 V The voltage over the terminals of the additional power supply of the OPTIFLUX 4040 C EEx is in that case between the required 14 0 18 0 V Zener barrier data Uo 28 V Io 93 mA Maximum working voltage 25 5 V End to end resistance...

Page 16: ...09 2010 7312232100 AD EX OPTIFLUX 4040 C R01 en The OPTIFLUX 4040 C can be programmed in the hazardous area with a bar magnet without opening the flameproof housing of the converter Consult the standard manual for a description of the software menu ...

Page 17: ...refully disconnect the 12 pin connector for field coil and electrode circuits connection from the electronics unit Unscrew the two mounting screws of the electronics unit which fixes the metal frame to the back of the signal converter housing A crosshead screwdriver type 2 Pt Philips is most suitable Carefully remove the electronics unit of the converter housing Do not damage any connecting cables...

Page 18: ... housing by hand so that the gasket of the cover must be clamped to provide the required ingress protection IP degree Tighten the hexagon socket head cap screw of the interlocking device INFORMATION Refer to the standard installation and operating instructions for detailed information about resetting and reprogramming the new electronics unit after replacement ...

Page 19: ...NOTES 6 19 OPTIFLUX 4040 C www krohne com 09 2010 7312232100 AD EX OPTIFLUX 4040 C R01 en ...

Page 20: ... products Measuring systems for the oil and gas industry Measuring systems for sea going tankers Head Office KROHNE Messtechnik GmbH Ludwig Krohne Str 5 D 47058 Duisburg Germany Tel 49 0 203 301 0 Fax 49 0 203 301 10389 info krohne de KROHNE 09 2010 7312232100 AD EX OPTIFLUX 4040 C R01 en Subject to change without notice The current list of all KROHNE contacts and addresses can be found at www kro...

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