YOKOGAWA FLXA202 User Manual
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YOKOGAWA FLXA202 User Manual

2-wire analyzer start-up manual
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User's
Manual
This Start-up Manual explains mainly the installation and wiring of the FLXA202/FLXA21.
For detailed information and other information, the User's Manual of the FLXA202/FLXA21
should be referred to.
FLXA202 / FLXA21
2-Wire Analyzer
Start-up Manual
IM 12A01A02-12E
IM 12A01A02-12E
10th Edition

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Summary of Contents for YOKOGAWA FLXA202

  • Page 1 FLXA202 / FLXA21 2-Wire Analyzer Start-up Manual IM 12A01A02-12E This Start-up Manual explains mainly the installation and wiring of the FLXA202/FLXA21. For detailed information and other information, the User’s Manual of the FLXA202/FLXA21 should be referred to. IM 12A01A02-12E 10th Edition...
  • Page 2 Thank you for purchasing the FLXA 202/FLXA 21 2-Wire Analyzer. Please read the following respective documents before installing and using the FLXA202/FLXA21. When the FLXA21 with the output of FOUNDATION Fieldbus or PROFIBUS PA Communication is used, please refer to the User’s Manual, IM 12A01A02-71E 12A01A02-72E, too.

  • Page 3: Copyright And Trademark Notices

    • No part of the user’s manuals may be transferred or reproduced without prior written consent from YOKOGAWA. • YOKOGAWA reserves the right to make improvements in the user’s manuals and product at any time, without notice or obligation. • If you have any questions, or you find mistakes or omissions in the user’s manuals, please contact our sales representative or your local distributor.

  • Page 4: Safety Precautions

    The product is provided on an “as is” basis. YOKOGAWA shall have neither liability nor responsibility to any person or entity with respect to any direct or indirect loss or damage arising from using the product or any defect of the product that YOKOGAWA can not predict in advance. FLXA202/FLXA21 •...
  • Page 5 Please use this instrument in the industrial environment only. • The HART communication may be influenced by strong electromagnetic field. In this case another trial of the HART communication and/or operation with FLXA202/ FLXA21 touch screen can be carried out. • When you open the front panel, make sure the screws are completely out of the screw holes, and then open the front panel slowly in order not to damage the threaded parts on the housing.

  • Page 6: Ce Marking Products

    CE marking products Authorized Representative in EEA The Authorized Representative for this product in EEA is Yokogawa Europe B.V. (Euroweg 2, 3825 HD Amersfoort, The Netherlands). Identification Tag This manual and the identification tag attached on packing box are essential parts of the product. Keep them together in a safe place for future reference. Users This product is designed to be used by a person with specialized knowledge.
  • Page 7 FLXA202 and FLXA21: [Intrinsic safety “ia”] (IECEx) Applicable Standard: IEC 60079-0: 2011, IEC 60079-11: 2011 United FLXA202 and FLXA21: [Intrinsically safe / Nonincendive] States (FM) Applicable Standard: FM 3600:2018, FM 3610:2018, FM 3611:2018, FM 3810:2005, NEMA 250: 2014, ANSI/ISA 60079-0: 2013,...

  • Page 8: Instrument Check

    Refer to table 2. NOTE Be sure to apply correct power to the unit , as detailed on the nameplate. -D-B-D-AB-P1-P1 -A-N-LA-N-N/U/H6 Figure 1.1 Inside of the FLXA202 and example of nameplate FLXA21 Make sure the model and suffix code on the nameplate affixed to the left side or inside of the housing. Refer to table 3. -D-P-D-CB-P1-NN-A-N-LA-N-NN /UM/SCT S3.02...
  • Page 9 <Start-up manual> Table 2 Model and suffix code (FLXA202) Model Suffix code Option code Description FLXA202 ······················································· ··············· 2-Wire Analyzer Power supply -D ··············· Always -D ··············· Housing Aluminum alloy cast + urethane coating ··············· Aluminum alloy cast + epoxy coating ···············...

  • Page 10: Wiring And Installation

    Installation site The FLXA202/FLXA21 is weatherproof and can be installed both inside and outside. It should, however, be installed as close as possible to the sensor to avoid long cable runs between the instrument and sensor. When a pH sensor is used, the cable length including the sensor cable should not exceed 20 meters (65.6 feet);...

  • Page 11: Wiring The Power Supply

    If the instrument is installed outside and exposed to direct sunlight, a sun shade hood should be used. The FLXA202/FLXA21 can be mounted on a wall, pipe or panel when the mounting kit is ordered. For dimensional information please refer to the Appendix, Mounting methods.

  • Page 12: Dip Switches

    Note: 1900 m is trunk + sum of Spurs (Max length type A cable) Yokogawa recommends the use of Type A. Usage of Type B and D is restricted. Yokogawa does not recommend the use of Type C. Table 2.2 Recommended length of Spur Cables...

  • Page 13: Connection Of The Power Supply

    For details, refer to the User’s Manual 12A01A03-01EN. FLXA202 FLXA21 CAUTION The FLXA202/FLXA21 is used with a DC power supply. Do not use an alternating current or 100 volt mains power supply. 2.2.6 Wiring covers FLXA202 NOTE Wiring covers are required intrinsic safety (Type is -C*).

  • Page 14: Wiring The Sensor

    01EN. 2.2.7 Wiring the sensor The FLXA202/FLXA21 can be used with a wide range of commercially available sensor types, both from Yokogawa and other manufacturers. Terminal screw size is M4, and torque of screw up is 1.2N•m Pin terminal, ring terminal and spade terminal can be used.

  • Page 15: Periodic Maintenance Of The Sensor

    Battery The FLXA202/FLXA21 has a logbook feature that uses a clock to provide the timings. The instrument contains a lithium cell (battery) to continue the clock function while the power is turned off. Although the cell has an expected working life of 10 years, this is not guaranteed. When this...

  • Page 16: Revision Record

    Change the location of the nameplate, addition of Type n, deletion of stainless steel housing, etc. Oct. 2015/8th Edition Addition of FLXA202 Apr. 2015/7th Edition Change of “type of ground” of the stainless steel housing (pages 14 and 15), Note for wall mounting (pages 14 and 15) Oct.

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Flxa21

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