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<1.  Instrument Check>

1

IM 12A01A02-12E

9th Edition : Mar. 23, 2018-00

1.  Instrument Check

Upon delivery, unpack the instrument carefully and inspect it to ensure that it was not damaged 

during shipment. If damage is found, retain the original packing materials (including the outer 

box) and then immediately notify the carrier and the relevant Yokogawa sales office.

n

  Checking the model and suffix code

l

 FLXA202

Make sure the model and suffix code on the nameplate affixed to the left side of the housing.

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

Summary of Contents for FLXA21

Page 1: ...Start up Manual IM 12A01A02 12E IM 12A01A02 12E 9th Edition This Start up Manual explains mainly the installation and wiring of the FLXA202 FLXA21 For detailed information and other information the U...

Page 2: ...ad the Safety Precautions IM 12A01A02 20E before using the product The Safety Precautions includes Control Drawings of intrinsic safety nonincendive and Type n that describes specific condition for us...

Page 3: ...r mark to indicate those trademarks or registered trademarks in this user s manual u CE marking products n Authorised Representative in EEA The Authorised Representative for this product in EEA is Yok...

Page 4: ...rounding 6 2 2 3 Connection of the power supply 7 2 2 4 Installing the cable glands 7 2 3 Wiring the sensor 9 2 3 1 pH Measurement 10 2 3 2 ORP Measurement 11 2 3 3 SC Measurement 12 2 3 4 ISC Measure...

Page 5: ...Blank Page...

Page 6: ...nal packing materials including the outer box and then immediately notify the carrier and the relevant Yokogawa sales office n Checking the model and suffix code l FLXA202 Make sure the model and suff...

Page 7: ...FLXA21 Make sure the model and suffix code on the nameplate affixed to the left side or inside of the housing D P D CB P1 NN A N LA N NN UM SCT S3 02 2016 01 C2RA12345 S3 02 2016 01 C2RA12345 D P D AA...

Page 8: ...ed One grommet for grounding attachement pH analyzer Jumper 2 pcs module Grommet set 1 set module SENCOMTM pH analyzer Grommet 1 Option Bracket 1 set Option code UM U PM Sun shade hood 1 set Option co...

Page 9: ...egligible No relay switch and power switch are installed close to the converter There is space for cable connection beneath the cable glands Not exposed to direct sunlight or severe weather conditions...

Page 10: ...3 mm2 16 AWG 1 25 mm2 Max Length meters 1 900 1 200 400 200 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...

Page 11: ...ches for setting the address and write protection Normally you do not have the change them from the default settings Write protection switch Default OFF Address switch Default Hardware address is disa...

Page 12: ...y 2 2 4 Installing the cable glands WARNING For Type n model DB DE When the accompanying cable glands are used external clamping is required additionally When the optional conduit adaptors CB5 CD5 CF5...

Page 13: ...ed cable gland as shown in Figure 2 6 When using an adapter for conduit work see Figure 2 7 FLXA21 FLXA202 Cable gland nut O ring Gable gland O ring Gable gland Sleeve for grounding cable line Cable g...

Page 14: ...pter The stress on the conduit adapter may damage the housing 2 3 Wiring the sensor The FLXA202 FLXA21 can be used with a wide range of commercially available sensor types both from Yokogawa and other...

Page 15: ...entional pH sensors are connected to the module as follows 11 Temperature 12 Temperature 13 Reference 14 Solution ground 15 Glass measure 16 Shield 17 Shield FLXA202 FLXA21 REF TC PH Liquid Earth In a...

Page 16: ...nventional ORP sensors are connected to the module as follows 11 Temperature 12 Temperature 13 Reference 14 Solution ground 15 Metal measure 16 Shield 17 Shield FLXA202 FLXA21 REF TC Liquid Earth ORP...

Page 17: ...which are approximately 5 mm 0 2 in diameter and K1500FV liquid earth cables which are approximately 2 5 mm 0 1 in diameter For sensor systems using a single cable like the FU20 FU24 and the PR10 PD2...

Page 18: ...Temp V i 12 13 14 15 16 FLXA202 FLXA21 2 3 4 ISC Measurement ISC40 sensors are connected to the module as follows 11 Temp Receive coil Drive coil 12 13 17 15 16 14 shield Sensor shield internal shield...

Page 19: ...ield cathode polarographic 12 16 13 18 14 17 15 FLXA202 FLXA21 The DO30G sensor comes with integral cable and the wires are labeled with the corresponding terminal numbers 2 3 6 SENCOM pH ORP Measurem...

Page 20: ...13 14 15 16 Fixed Cable PR20 PR10 pH 11 12 13 14 15 16 Yes No Fixed Cable SC21 pH Blue Liquid Earth Red White No No WU20 Triax SC24V pH E F C H A B D VP8 DC SC25V pH E F B D A Yes No VP6 SC SC29 PTG...

Page 21: ...14 VP6 SC INCHTRODE pH E F B D A Yes No VP6 SC MECOTRODE pH Blue Red White Yes No 13 14 WU20D Cable MECOTRODE VP pH E F B A Yes No VP8 DC OXYFERM VP OXYGOLD DO White Green Green Yellow Black Red Hamil...

Page 22: ...cover 1 then wire input 1 sensor on the upper level module and replace the module wiring cover 2 Wiring cover 1 Housing Wiring cover 2 when using the second module The first module The second module l...

Page 23: ...FLEXA is English To select a different language other than English follow the steps below Start quick setup Yes No Change language Quick setup Chinese Czech English French German Italian Japanese Kore...

Page 24: ...e time while the Main display will show the individual sensor information If only one sensor module is installed the is grayed out and disabled on the Main display On the Home display pressing the 1st...

Page 25: ...hen be selected in the commissioning menu b SC measurement module Under measurement a selection is made between Conductivity Resistivity Concentration or Concentration plus Conductivity On this level...

Page 26: ...with more stubborn stains a neutral detergent may be used When you must open the front cover and or glands make sure that the seals are clean and correctly fitted when the unit is re assembled in orde...

Page 27: ...Blank Page...

Page 28: ...cable For sensor 1 cable FB4_01 ai Unit mm 40 Conduit Adapter Option code CB4 CD4 CF4 Adapter 49 1 93 G1 2 screw CB4 1 2 NPT screw CD4 M20x1 5 screw CF4 Approx 55 2 2 Packing Unit mm inch Nut F0204 ai...

Page 29: ...0 195 121 Panel thickness 1 to 12 Spacing panel cutout 4 M6 138 1 0 138 1 0 FB4 202_02 ai Unit mm Tighten the four screws to a torque of 2 N m Wall mounting hardware Option code U UM 165 168 13 100 70...

Page 30: ...U UM 155 100 200 50 184 5 165 209 Pipe mounting Horizontal Pipe mounting Vertical Pipe 50A 60 5 M8 U bolt 4 M6 FB4 202_04 ai Unit mm Tighten the four screws to a torque of 2 N m Stainless steel hood...

Page 31: ...5 80 4 M6 depth 5 For sensor 2 cable For sensor 1 cable For power supply For grounding cable 137 80 144 24 7 26 5 26 5 141 144 FB4_01 ai Unit mm Conduit Adapter Option code CB4 CD4 CF4 Adapter 49 1 9...

Page 32: ...ten the four screws to a torque of 2 N m Wall mounting hardware Option code U UM 144 164 13 100 70 144 224 200 50 15 For wall mounting 3 10 holes 4 M6 FB4_02 ai Unit mm Tighten the four screws to a to...

Page 33: ...28 IM 12A01A02 12E 9th Edition Mar 23 2018 00 Stainless steel hood Option code H6 H7 H8 184 220 70 100 9 144 144 72 57 50 199 FB4_05 ai Unit mm...

Page 34: ...y safe type Change of descriptions of messages on displays Change of figures of housing due to change of position of external grounding for stainless steel housing Change of figures of wiring covers C...

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