KROHNE OPTISONIC 3400 Supplementary Instructions Manual
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KROHNE OPTISONIC 3400 Supplementary Instructions Manual

KROHNE OPTISONIC 3400 Supplementary Instructions Manual

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OPTISONIC 3400
Supplementary Instructions
Ultrasonic flowmeter
Addendum for hazardous area. These additional instructions are an extension to the
OPTISONIC 3400 manual and quick start.
© KROHNE 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en

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  • Page 1 OPTISONIC 3400 Supplementary Instructions Ultrasonic flowmeter Addendum for hazardous area. These additional instructions are an extension to the OPTISONIC 3400 manual and quick start. © KROHNE 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...

  • Page 2: Table Of Contents

    4 Electrical connections 4.1 General ........................... 26 4.2 Cable glands ........................28 4.3 Field Wiring........................28 4.4 Non-"Ex i" I/O connections..................... 29 4.5 "Ex i" I/O connections ..................... 31 www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...
  • Page 3 5.4 Exchange of electronics unit ..................35 5.4.1 Field version.......................... 36 5.5 Service / repair information ................... 38 5.6 Form (for copying) to accompany a returned device ............. 39 5.7 Disposal .......................... 39 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 4: Introduction

    These additional instructions are an extension to the manual and the quickstart and only apply to the Ex- versions of the OPTISONIC 3400 C, OPTISONIC 3000 F and UFC 400 F ultrasonic flowmeters. All technical information as described in the manual and quickstart is applicable, when not specifically excluded, completed or replaced by the instructions in these additional instructions.

  • Page 5: Optisonic 3000 F

    ≤ 11.6 nF ≤ 134 µH INFORMATION! When thermally insulating the ultrasonic flow sensor, make sure that the temperature of the connection box does not exceed 90°C (194°F). 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 6: Optisonic 3400 C

    (Ex eb) or intrinsically safe (Ex ia) in-/outputs, indicated by an "i" in the type name and listed as OPTISONIC 3400 C/i- Ex. The in-/outputs and mains supply connections are located in the terminal compartment, which can either be ordered as “Ex eb”...

  • Page 7: Marking Labels (Examples)

    1.6 Marking labels (examples) See the following marking labels of respectively the UFC 400 F/...-Ex ultrasonic signal converter in field design, an example of an I/O sticker and OPTISONIC 3400 C/...-Ex ultrasonic compact flowmeter. Figure 1-1: UFC 400 F-Ex data sticker Figure 1-2: UFC 400 F/i-Ex data sticker 1.
  • Page 8 • Fieldbus IO PA on IO board 1. • Option with current out active • Pulse/Status Out/Control in on IO board 2 Other combinations are possible. See Chapter 4 "Electrical Connections", for details. www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...
  • Page 9 8. Calibration data, size info and Electronic Revision number 9. Type designation of the flowmeter and CE sign with number(s) of notified body / bodies 10. Name and address of the manufacturer 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 10: Marking Labels Mi004 (Examples)

    1.6.1 Marking labels MI004 (examples) See the following marking labels of respectively the UFC 400 F/...-Ex ultrasonic signal converter in field design and OPTISONIC 3400 C/...-Ex ultrasonic compact flowmeter. These examples show additional information on the label concerning MID applications.
  • Page 11 8. Calibration data, size info and Electronic Revision number 9. Type designation of the flowmeter, CG- / serial number and year of manufacturing 10. Name and address of the manufacturer 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 12: Example Of The Marking Labels For The Measuring Sensor

    See the following marking labels (i.e. data stickers) of respectively OPTISONIC 3000 F-Ex, OPTISONIC 3000 F/HJ-Ex (with heating jacket), OPTISONIC 3000 F/XXT-Ex (extended temperature range) and an OPTISONIC 3000 F/XXT/HJ-Ex. www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...
  • Page 13 Scan the auto ID code on the device nameplate to download all product specific information. • Handbooks, Quick Starts and Supplementary instructions • Calibration certificates • Factory settings as bin file • Parameter data sheets • Digital nameplates 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 14: Marking Labels Ukca (Examples)

    7. Additional info (ao. website manufacturer, WEEE and RoHs logo) 8. Type designation of the flowmeter and UKCA sign with number(s) of notified body / bodies 9. Name and address of the manufacturer www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...
  • Page 15 8. Calibration data, size info and Electronic Revision number 9. Type designation of the flowmeter and UKCA sign with number(s) of notified body / bodies 10. Name and address of the manufacturer 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 16: Ukca Marking Labels Mi004 (Examples)

    1.6.4 UKCA Marking labels MI004 (examples) See the following UKCA marking labels of respectively the UFC 400 F/...-Ex ultrasonic signal converter in field design and OPTISONIC 3400 C/...-Ex ultrasonic compact flowmeter. These examples show additional information on the label concerning MID applications.
  • Page 17 INTRODUCTION OPTISONIC 3400 Figure 1-16: OPTISONIC 3400 C -Ex UKCA marking label for MI004 application Figure 1-17: OPTISONIC 3400 C /i-Ex UKCA marking label for MI004 application 1. Ex logo, marking code and UKEX approval number / Ambient temperature 2. Intrinsically safe circuit info 3.

  • Page 18: Example Of The Marking Labels For The Measuring Sensor (Ukca)

    5. Calibration data and protection category 6. Type designation of the flowmeter and UKCA sign with number(s) of notified body / bodies 7. Name and address of the manufacturer www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...

  • Page 19: Temperature Limits

    It therefore has a temperature rating of T6. 2.3 OPTISONIC 3400 C/...-Ex The OPTISONIC 3400 C/…-Ex compact flowmeter is suitable for ambient temperatures in the range of -40...65°C, when equipped with the aluminum MH 300-Ex signal converter housing and -40…60°C in case that the stainless steel MH 300-Ex housing is installed.

  • Page 20: Optisonic 3000 F

    Note: the extension "XXT" applies to the ATEX & IECEx approved versions and the UKCA approved versions have the extension "XT". There are no differences except the extension in the type designation. www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...

  • Page 21: Connection Of Separate Systems

    The warning message reads as follows: WARNING! - Do not open flameproof enclosure when energized. Minimum waiting time before opening: T6 = 35 min., T5 = 10 min. 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 22: General

    INFORMATION! More than 30 m signal cable length is not recommendable, it will have a negative effect on the measuring accuracy. www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...

  • Page 23: Equipotential Bonding

    When the ambient temperature exceeds 60°C / 140°F, the cables and cable glands used (for connection of the UFC 400 F/...-Ex) must be suitable for at least 75°C / 167°F. 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 24: Signal Cable (Remote Versions Only)

    Figure 3-2: Clamp the cables on the shielding bush 1 Cables 2 Cable glands 3 Grounding clamps 4 Cable with metal shielding bush www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...
  • Page 25 Connection of flow sensor type Cryogenic (LT) and XXT or XT (UKCA) Figure 3-4: Connect the cables in the connection box of the flow sensor. INFORMATION! Connect the cable on connector with similar numeral marking. 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 26: Electrical Connections

    1 Unscrew interlocking head screw 2 Turn cover counter-clockwise and remove 3 Open / close safety lid of mains supply section 4 Mains supply & signal / data terminals www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...
  • Page 27 "Ex i" I/O connections on page 31. These overviews do not show all details. The exact connection diagram of a specific UFC 400 signal converter can be found on the sticker inside the terminal compartment cover. 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 28: Cable Glands

    However, the semi-circular insulation cover (covering the non-intrinsically safe mains supply terminals L and N or L+ and L-) MUST be kept closed at all times. www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...

  • Page 29: Non-"Ex I" I/O Connections

    • The options separated by "or" are hardware versions (must be ordered as such). • All outputs are passive unless otherwise indicated. • HighC means High Current input/output, Namur means that the in-/outputs are according to the NAMUR NE43 standard. 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...
  • Page 30 CI = Control Input, PA = Profibus PA, FF = Foundation Fieldbus, RS485 = RS485 Modbus, n.c. = not connected. All in-/outputs are passive unless otherwise noted as active with extension (a). www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...

  • Page 31: Ex I" I/O Connections

    ! Connection to non-“Ex i” devices, cancels the “Ex ia” properties of the flowmeter. 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...
  • Page 32 CI = Control Input, PA = Profibus PA, FF = Foundation Fieldbus, n.c. = not connected All in-outputs are passive unless otherwise noted as active with extension (a). www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...

  • Page 33: Maintenance And Service

    • Screw the cover as tight as possible onto the housing by hand, until it cannot be opened by hand anymore. Fixate the screw of the interlocking device tight with the No. 3 Allen key. 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 34: Replacement Of Mains Fuse

    250 V / 0.8 A T 5080850000 WARNING! Before reassembling the unit, refer to Before and after opening on page 33 , then: • Reassemble the unit in reverse order. www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...

  • Page 35: Exchange Of Electronics Unit

    WARNING! Before screwing the display cover back onto the housing, please refer to Before and after opening on page 33 . 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 36: Field Version

    CAUTION! Please pay attention that the same amount of force is applied on both pullers, otherwise the connector at the backside can be damaged. www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...
  • Page 37 • Screw the electronics unit back to the housing. • Re-install the display and make sure not to kink the display's flat ribbon cable. • Replace cover and tighten by hand. • Connect power. 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...

  • Page 38: Service / Repair Information

    • to check and ensure, if necessary by rinsing or neutralizing, that all cavities are free from such dangerous substances, • to enclose a certificate with the device confirming that is safe to handle and stating the product used. www.krohne.com 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en...

  • Page 39: Form (For Copying) To Accompany A Returned Device

    The user must dispose of the WEEE to a designated collection point for the recycling of WEEE or send them back to our local organisation or authorised representative. 06/2023 - 4007535901 - AD EX OPTISONIC 3400 - R03 - en www.krohne.com...
  • Page 40 Engineering, commissioning, calibration, maintenance and training services Head Office KROHNE Messtechnik GmbH Ludwig-Krohne-Str. 5 47058 Duisburg (Germany) Tel.: +49 203 301 0 Fax: +49 203 301 10389 info@krohne.de The current list of all KROHNE contacts and addresses can be found at: www.krohne.com...

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