YOKOGAWA EXAxt 450 Скачать руководство пользователя

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Содержание EXAxt 450

Страница 1: ...IM 12D06D05 01E 4th Edition User s Manual Model ISC450G Style S2 Inductive Conductivity Converter ...

Страница 2: ...y be referred to when reading pages where subsequent submenu screens are shown in the text Connection to the relevant submenu screen is indicated by a doted line with an arrow Note that screens in the text are typical examples and actual screens may differ depending on the set parameters Connection to the relevant submenu screen is indicated by a doted line with an arrow ...

Страница 3: ...that they are suitable the particular purpose of the user Every effort has been made to ensure accuracy in the preparation of this manual However when you realize mistaken expressions or omissions please contact the nearest Yokogawa Electric representative or sales office This manual does not cover the special specifications This manual may be left unchanged on any change of specification construc...

Страница 4: ...rganisations can deviate from the typical warranty period and the conditions of sale relating to the original purchase order should be consulted Dam age caused by wear and tear inadequate maintenance corrosion or by the effects of chemical processes are excluded from this warranty coverage In the event of warranty claim the defec tive goods should be sent freight paid to the service department of ...

Страница 5: ... conduit adapter 8 3 3 Wiring the power supply 9 3 3 1 General precautions 9 3 3 2 Access to terminal and cable entry 10 3 3 3 AC power 10 3 3 4 DC power 10 3 3 5 Grounding the housing 10 3 3 6 Switching on the instrument 10 3 4 Wiring the contact signals 11 3 4 1 General precautions 11 3 4 2 Contact outputs 11 3 4 3 Contact input 11 3 5 Wiring the mA output signals 11 3 5 1 General precautions 11...

Страница 6: ...oftware revision 17 4 3 14 HART Device revision 18 4 3 15 Logbook 18 4 3 16 Trouble shooting 18 4 4 Information function 18 4 5 Setup Calibration commissioning 18 4 6 Secondary primary value display switch 18 4 7 Navigation of the menu structure 19 5 MENU STRUCTURE COMMISSIONING 20 5 1 Configure sensor 20 5 2 Temperature setting 20 5 3 Temperature compensation 20 5 4 Calibration settings 22 5 5 Co...

Страница 7: ...ing methods 40 7 4 LCD adjustment 40 8 TROUBLESHOOTING 42 8 1 General 42 8 2 Calibration check 42 8 3 Predictive maintenance 42 8 4 Poor calibration technique 42 8 5 Error displays and actions 42 9 QUALITY INSPECTION 43 10 SPARE PARTS 47 APPENDICES 48 APPENDIX 1 Temperature compensation 48 APPENDIX 2 Temperature compensation matrix 51 APPENDIX 3 Calibration solutions for conductivity 52 APPENDIX 4...

Страница 8: ...vi ...

Страница 9: ...onductiv ity and or Concentration in industrial instal lations The unit combines simple operation and microprocessor based performance with advanced self diagnostics and enhanced communications capability to meet the most advanced requirements The measurement can be used as part of an automated process control system It can also be used to indicate operating limits of a process to monitor product ...

Страница 10: ... added to above performance mA output tolerance 0 02 mA of 4 20 mA D Transmission signals General Two isolated outputs of 4 20 mA DC with common negative Maximum load 600Ω Bi directional HART digital communication superimposed on mA1 4 20 mA signal Output function Linear or 21 step table for Conductivity Concentration or Temperature Control function PID control Burn out function Burn up 21 0 mA or...

Страница 11: ...gbook Software record of important events and diagnostic data readily available in the display or through HART J Display Graphical Quarter VGA 320 x 240 pixels LCD with LED backlight and touchscreen Plain language messages in English German French Spanish Italian Swedish Portuguese and Japanese K Shipping details Package size 290 x 300 x 290 mm L x W x D 11 5 x 11 8 x 11 5 inch Package weight app ...

Страница 12: ...d operational conditions Ambient temperature 20 to 55 ºC 5 130 ºF Storage temperature 30 to 70 ºC 20 160 ºF Humidity 10 to 90 at 40 ºC 100 ºF RH non condensing Data protection EEPROM for configuration data and logbook Lithium cell for clock Watchdog timer Checks microprocessor Power down Reset to measurement Automatic safeguard Auto return to measuring mode when touchscreen is untouched for 10 min...

Страница 13: ...he limits of the instrument specifications See chapter 2 3 1 2 Mounting methods Refer to figures 3 2 and 3 3 Note that the EXAxt converter has universal mounting capa bilities Panel mounting using optional brackets Surface mounting on a plate using bolts from the back Wall mounting on a bracket for example on a solid wall Pipe mounting using a bracket on a horizontal or vertical pipe Size nominal ...

Страница 14: ...e 3 3 Option U wall and pipe mounting diagram 80 3 15 2x Ф6 5 0 26 4x Ф10 0 4 200 7 87 70 2 75 154 5 6 08 2 ND pipe pipe mounting horizontal pipe mounting vertical wall mounting 15 0 6 35 1 38 13 0 51 Unit mm inch Note When option code UM is specified universal pipe wall pannel mounting kit are supplied same as option code U and PM both specified ...

Страница 15: ...r terminals 6 Connect the analog output s the sensor inputs and if necessary the HART wiring and input contact 7 Use the front three glands for analog output sensor inputs contact input and HART wiring see figure 3 5 8 Swing back the cover and secure it with the four screws 9 Switch on the power Commission the instrument as required or use the default settings Do not turn on power with the touchcs...

Страница 16: ...lands includ ing the blind plugs supplied ISC450G A D U The ISC450 is supplied with terminals suitable for the connection of finished wires in the size range of 14 26 AWG The cable entry holes are sealed with FM certified plugs Prior to cable entry the plugs can be removed with allen key size 3 8 The cable conduit fittings can be mounted in the holes of the housing as required The cable glands sup...

Страница 17: ...power cables and contact outputs should be fixed securely onto a wall or construction using cable racks conduit tubing nylon bands or other appropriate ways Accidental removal from terminals by pulling may result in electric shock Local health and safety regulations may require an external circuit breaker to be installed The instrument is protected internally by a fuse The fuse rating is dependent...

Страница 18: ...SOR S REFER TO INSTRUCTION MANUAL FOR CONNECTIONS ISC mA1 HART 14 COILS RECEIVE DRIVE SHLD 13 32 31 33 42 41 43 52 51 53 72 71 73 NC C NO NC C NO NC C NO NO C NC S1 S2 S3 CONTACTS S4 250V 5A AC DC 100VA 50W fail safe 2 1 DC POWER 12 24 V 10 W FUSE 2A 250 VAC T 2 1 N L AC POWER 100 240 VAC 15 VA 50 60Hz FUSE 500 mA 250 VAC T Fuse replacement should be performed only by a qualified service person Se...

Страница 19: ...O button on the main screen the user is given an explanation as well as a remedy for the current fail situation Always connect the fail contact to an alarm device such as a warning light alarm bell or displayed on an annunciator ALARM Contact FAIL Contact Power Off NC NC Power On NC NC Alarm NO NC Fail NC NO Fail and Alarm NC NO HOLD NC NC When a fail situation occurs which is related to the param...

Страница 20: ...or additional me chan i cal pro tec tion of the sensor cable 3 6 3 Installation of the sensor The Model ISC40 is a doughnut shaped sen sor Preferably the process will flow through the hole of the donut with the temperature com pensator up stream For minimal obstruction of the flow and for accurate measurement without the need for calibration of the cell constant the process will flow freely around...

Страница 21: ...ufactured to a very high standard and are necessary to ensure that the specifications of the system can be met The total cable length should not exceed 60 metres e g 5 m fixed cable and 55 m exten sion cable Ø 40 1 57 wrench opening 20 0 79 wrench opening 32 1 42 thermistor ground secondary primary YOKOGAWA G3 4 47 1 85 11 12 17 13 15 16 14 L 5000 200 ca 240 9 45 40 1 57 100 3 94 Hole in flange Ø ...

Страница 22: ...l cores 5 Extract the coaxial cores from the braid and trim off the black low noise screening material as short as possible 6 Insulate the overall screen and the 2 coaxial screens with suitable plastic tubing 7 Strip and terminate all ends with suitable crimp terminals and identify with numbers as shown 8 Finally shrink the overall heat shrink tube into position 14 Overall Screen 11 12 12 13 14 14...

Страница 23: ...15 IM 12D06D05 01E 3 INSTALLATION AND WIRING Figure 3 11 a Figure 3 11 b Figure 3 11 c ...

Страница 24: ...The full screen displays a trend of 51 points that represent the average of the selected time interval The analyzer samples the measurement every second The trending graphic also shows the maximum and minimum measured value in that interval For example if the time scale is set to 4 hours then the trend is shown for 4 hours prior to the actual measurement Each point on the trend line represents the...

Страница 25: ... this reading and the C C factory value the sensor should be checked for damage and cleanliness Routing is via the Calibration menu 4 3 6 Temp comp 1 the chosen temperature compensation method for the primary measure ment Routing Commissioning Measurement setup Temp compensation 4 3 7 Temp comp 2 the chosen temperature compensation method for the secondary meas urement Note This does not imply two...

Страница 26: ...The events logged in this logbook are user definable This is done in Commissioning Configure Logbook Settings Logbook mA and or Settings Logbook contact mA1 mA2 shows all dynamic events concern ing the analog outputs S1 S2 S3 S4 shows all dynamic events con cerning the contacts Each HMI screen can contain up to 5 events As each logbook can contain 50 events in total one can access previous events ...

Страница 27: ...19 IM 12D06D05 01E 4 OPERATION OF EXAxt ISC450G RETURN KEY exit to previous display Main display Primary setup display Commisioning menu display Instrument in HOLD 4 7 Navigation of the menu structure ...

Страница 28: ...mperature that represents the process tem perature must be set here Reference Temperature Choose a temperature to which the measured conductivity value must be compensated Normally 25 C 77ºC is used therefore this temperature is chosen as default value Method TC In addition to the temperature coefficient calibration routine it is possible to adjust the compensation factor directly If the compensa ...

Страница 29: ...omp Reference Temp 25ºC 77ºF 0ºC 32ºF 100ºC 211ºF Manual Comp Manual Temp 25ºC 77ºF 20ºC 3 9ºF 139ºC 284ºF Temp Coef T C methods 1 2 10 ºC 0 ºC 0 ºF 3 5 º C 2 0 º F Temp Coef T C methods 2 2 10 ºC 0 ºC 0 ºF 3 5 ºC 2 0 ºF Enter Measurement setup Temperature settings Temp Compensation Calibration settings Concentration Measure Conductivity only Configure sensor ...

Страница 30: ... bandwidth of 1 over a period of the stabilization time the calibration is considered stable and the calibration may be completed Calibration Interval A user defined interval in which a new calibra tion should take place If the interval is ex ceeded the instrument will give a warning or a fail user definable in error configuration 2 3 5 5 Concentration Concentration has a direct relation with the ...

Страница 31: ...ilization time 5 s 2 s 30 s Calib interval 250 days 1 day 250 days Concentr Table Table See appendix Enter Measurement setup Temperature settings Temp Compensation Calibration settings Concentration Measure Conductivity only Configure sensor Concentration measurement is only possible if measure in the Configure sensor menu is set to conductivity concentration or Concentration only ...

Страница 32: ... desired setpoint The output signal is represented as a percentage of output 0 100 Proportional control will reduce but not eliminate the steady state error Therefore proportional Control action includes a Manual Reset The manual reset percentage of output is used to eliminate the steady state error Note Any changes disturbances in the process will re introduce a steady state error Proportional co...

Страница 33: ... ºF inf inf Linear mA2 100 Value 100 0 ºC ºF inf inf P control mA1 Setpoint 500 0 mS cm inf inf P control mA1 Range 100 0 mS cm inf inf P control mA1 Manual Reset 0 000 0 100 P control mA2 Setpoint 25 0 ºC ºF inf inf P control mA2 Range 10 0 ºC ºF inf inf P control mA2 Manual Reset 0 000 0 100 mA1 simulate Simulation perc 50 0 100 Hold Fixed value mA1 12 00 mA 3 6 mA 21 mA Hold Fixed value mA2 12 ...

Страница 34: ...ower on power down normal opened contact activated S1 S2 S3 S4 Above table shows contact output status between common to NO Configure hold Hold is the procedure to set the outputs to a known state when going into commission ing Du ring commissioning HOLD is always enabled out puts will have a fixed or last value During ca libra tion the same HOLD function applies For ca libra tion it is up to the ...

Страница 35: ...c Alarm S2 Setpoint 100 0 mS cm low inf inf Alarm S2 Hysteresis 1 000 mS cm 0 0 µS cm inf Alarm S2 Delay Time 0 2 sec 0 0 sec inf Alarm S2 Expire Time 0 0 sec 0 0 sec 1800 sec S1 control Expire Time 0 0 sec 0 0 sec 1800 sec P control S1 Setpoint 500 0 mS cm inf inf P control S1 Range 100 0 mS cm inf inf P control S1 Manual Reset 0 000 0 100 PID control S1 I time 3600 sec 1 0 sec 3600 sec PID contr...

Страница 36: ...urs 5 9 Simulate The contact can be switched on off or a percentage of output can be simulated On Off enables the user to manually switch a contact on or off The percentage is an analogue value and represents the on time per period The Duty cyde Period time see figure 5 4 is used as a period for percentage simulation Note that the simulated settings of the con tacts become visible in measuring mod...

Страница 37: ...29 IM 12D06D05 01E 5 MENU STRUCTURE COMMISSIONING Menu Parameter Default Range values min max Simulation Percentage 50 0 100 S2 S3 S4 Similar structure to S1 depending on mA1 and mA2 output settings ...

Страница 38: ...al and the converter continues to work normally A good example is a time out warning that the regular maintenance is due The user is noti fied but it should not be used to shut down the whole measurement 5 12 Logbook configuration General Logbook is available to keep an electronic record of events such as error messages calibrations and programmed data changes By reference to this log users can fo...

Страница 39: ...31 IM 12D06D05 01E 5 MENU STRUCTURE COMMISSIONING Menu Parameter Default Range values min max Errors High limit 1 000S 0 1S 3S Errors Low limit 5 000µS 0 0S 100µS ...

Страница 40: ...er Passwords Calibration and Commissioning may be sepa rately protected by a password By default both passwords are empty Entering an empty pass word results in disabling the password check A password can contain up to 8 characters When a password is entered for the calibration and commissioning a 4 digit operator ID can be entered One can also leave the ID empty Date time The Logbooks and trend g...

Страница 41: ...33 IM 12D06D05 01E 5 MENU STRUCTURE COMMISSIONING Menu Parameter Default Range values Low High HART Network address 0 0 15 ...

Страница 42: ...nd secondary display lines are determined by the choices made in the menu measurement Measurement setup Measurement Additional text Each process value can be given an additional text containing up to 12 characters per text This text is displayed on the main display next to the process value This way the user can distinguish separate measurements X axis timing The time range of the trend graph can ...

Страница 43: ...arameter Default Range values Low High Y axis Conduct low 0 µS cm inf inf Y axis Conduct high 500 µS cm inf inf Y axis Conduct 2 low 0 µS cm inf inf Y axis Conduct 2 high 500 µS cm inf inf Y axis Temp low 0ºC 32ºF inf inf Y axis Temp high 100ºC 212ºF inf inf ...

Страница 44: ...red with a known precise concentration Thetem per a ture is stabilized to the ref er ence tem per a ture of the instrument usu al ly 25 C The actual conductivity value of the solution is taken from tables To calibrate the in stru ment the sensor is removed and sus pend ed in the solution the conductivity val ue from the tables is then entered and the cal i bra tion routine completed Make sure the ...

Страница 45: ...indicated on the cable markers and the actual installation can change this factor If there is less than 25 mm spacing between sensor and holder in situ calibration is necessary to meet the specified accuracies D non conductive piping conductive piping D i n m i l l i m e t e r s 0 10 20 30 40 50 0 90 Correction factor x nominal C C 0 95 1 30 1 25 1 20 1 00 1 05 1 10 1 15 Only for PEEK ...

Страница 46: ... a better accuracy at low readings This should be done for all installations during commissioning After some time in service a dirty sensor may well show a high zero offset because of fouling Clean the sensor and try again Wait for the sensor to dry because air cal must be made with no current flow in the sensor that is the sensor must be dried while being exposed to air The sensor must be install...

Страница 47: ...Cali bration Press Temperature calibration to execute it 6 8 Operation of hold function during cali bration EXAxt ISC450G has a HOLD function that will suspend the operation of the control alarm re lays and mA outputs During calibration the user may choose to enable HOLD so that the output signals are frozen to a last or fixed value Some users will choose to leave the outputs live to record the ca...

Страница 48: ...ced contact your nearest Yokogawa service center 7 2 Periodic maintenance of the sensor Note Maintenance advice listed here is intentionally general in nature Sensor maintenance is highly application specific In general conductivity measurements do not need much periodic maintenance If the EXAxt indicates an error in the measurement or in the calibration some action may be needed ref chapter 8 tro...

Страница 49: ...power then on again The touchscreen will be calibrated automatically to the correct touch position at power on It is recommended to turn off power then on again when periodic maintenance Do not turn on power with the touchscreen pressed otherwise inaccurate touch position will occur If it occurs leave the touchscreen unpressed turn off power then on again The touch position will be accurate CAUTIO...

Страница 50: ...ooting procedures including possible causes and remedies 8 2 Calibration check The EXAxt ISC450G converter incorporates a diagnostic check of the adjusted cell constant value during calibration If the adjusted value stays within 80 120 of the factory value it is accepted otherwise the unit generates an er ror message and the calibration is rejected 8 3 Predictive maintenance EXAxt has a unique pre...

Страница 51: ...minal 3 Between the current output terminals shorted 62 and the protective earth terminal 3 2 Dielectric Strength Test 1 Apply 1390 V AC an AC voltage of substantially sinusoidal waveform with a frequency of 50 Hz or 60 Hz between the power supply terminals shorted together 1 and 2 and the protective earth terminal for at least 2 seconds The insulation must withstand this voltage The sensed curren...

Страница 52: ...wn in Table 2 Table 2 RANGE Resistance Ω of Decade Resistance Box 2 Data Display Ω RANGE4 1 5k 1 5k 0 01k RANGE5 15k 15k 0 2k RANGE6 150k 150k 12k After the above test is completed touch the Exit to return to the HIF display 3 4 Temperature Indication Check Following Section 3 3 select the PT1000 in Temperature of the HIF display In this state change the resistance of the decade resistance box 1 a...

Страница 53: ...ata Display Current Output mA DC 4 4 0 02 12 12 0 02 20 20 0 02 After all tests are completed a Touch the Exit twice to return to the Service display b Select Normal in Key c Touch the Home icon to return to the initial display Figure 1 Testing Circuit and Test Equipment ...

Страница 54: ...46 IM 12D06D05 01E ...

Страница 55: ...47 IM 12D06D05 01E 10 SPARE PARTS 10 SPARE PARTS See Customer Maintenance Parts List ...

Страница 56: ...ard temperature compensation From the factory the EXAxt is set with the default of a general temperature compensation func tion based on a Sodium Chloride table salt solution This is suitable for many applications and is compatible with the NaCl compensation functions of typical laboratory or portable instruments ISC temperature compensation Table 11 1 NaCl compensation according to IEC 60746 3 wi...

Страница 57: ... K2 T1 Tref K1 K2 K ref 1 α T1 Tref 1 α T2 Tref K1 1 α T2 Tref K2 1 α T1 Tref K1 α T2 Tref K2 α T1 Tref K2 K1 Where T1 T2 liquid temperature C K1 conductivity at T1 C K2 conductivity at T2 C Figure 11 1 Conductivity Calculation example Calculate the temperature co efficient of a liquid from the following data Conductivity 124 5 µS cm at a liquid temperature of 18 0 C and a conductivity 147 6 µS cm...

Страница 58: ...or a particular solution Choose the component that you will be measuring in your application and where appro priate the concentration range EXAxt will do the rest By following the routing Commissioning Measurement setup Temp compensation Matrix you gain access to the Matrix selection area Matrices are available for the common mineral acids and bases In addition Ammonia and Morpho line are included...

Страница 59: ...rix value An empty value is shown as APPENDIX 2 Temperature compensation matrix 1 A minimum number of values is required to make interpolation possible The highlighted values marked as are mandatory to enter Concent Tref T1 Tx T10 Sol1 C1 S1Tr S1T1 S1T10 Solx SxTx Sol10 C10 S10Tr S10T1 S10T10 2 Tref reference temperature is defined in the Temperature Compensation menu If Tref is between T1 and T10...

Страница 60: ...the calibration check can confirm their presence by a deviation from the known solution conductivity The remedial action should be to clean the sensor and carefully check for blockage or damage not simply to recalibrate Higher conductivity solutions should be used where possible The lower the conductivity of the test solution the easier it is to contaminate Carbon dioxide from the air can be quick...

Страница 61: ... coil is of a high permeability mag net ic ma terial and a strong magnetic field is generated in the toroid The liquid passes through the hole in the toroid and can be considered as a one turn second ary winding The magnetic field will induce a voltage in this secondary winding The induced cur rent in the liquid winding is proportional to this volt age and the conductance of the liquid one turn wi...

Страница 62: ...oom Zoom sensor Fact CC Adj CC Method SC1 Method SC2 Ohms Zoom outputs mA1 value mA2 value S1 perc S2 perc S3 perc S4 perc Zoom device Serial number Note Software Revision Device Revision DD Revision Logbook Sensor data Calibration Sensor Output data Settings mA1 mA2 S1 S2 S3 S4 APPENDIX 5 HART HHT 275 375 Menu structure Note A part of the HART device ID descriptor ...

Страница 63: ...TC Calibration SC1 TC Calibration SC2 Temp Calibration Hold Instrument Hold Instrument Hold Outputs Hold Off Commissioning Measurement setup Configure sensor Meas unit Fact CC Measure Temp settings Temp sensor Temp unit Temp compensation Temp comp Man value Ref temp Method SC1 TC SC1 Matrix SC1 Method SC2 TC SC2 Matrix SC2 Calib settings Air adjust limit cc hi limit cc lo limit Stab time cal inter...

Страница 64: ...to S1 S4 setup similar to S1 Type control Func Process parameter Expire time PID SP PID Rng PID dir PID MR PID I time PID D time Analog output DC period time max pulse freq Type fail func Type alarm Func Process parameter alarm SP alarm dir alarm hyst alarm delay expiry time Type simulate func on off percentage Type hold func Type Off HOLD setup HOLD L F mA1 fixed mA2 fixed Hold during cal Input c...

Страница 65: ... Device information Date Descriptor Message Poll addr Num resp preams Review Model Distributor Write protect Manufacturer Dev id Tag Descriptor Message Date Universal rev Fld dev rev Sofware rev Poll addr Num req preams Note HART protocol DD files can be downloaded by following URL http www yokogawa com an download an dl fieldbus 001en htm ...

Страница 66: ...58 IM 12D06D05 01E APPENDIX 6 Control drawing for FM approval ...

Страница 67: ... 5c K9676MY 1 Cable assembly shield 6a A1108EF 1 Fuse AC version 1 pcs 6b A1111EF 1 Fuse DC version 1 pcs 7 K9676BE 1 Cover assembly without screws and hingepins 8 K9676BU 1 Cable glands assembly 6 pcs M20 9 K9676DL 1 Stainless tagplate blank 10 K9676BT 1 Screw assembly to fix cover M4 screws washer O ring hingepins 11 K9676CM 1 Housing assembly polyurethan baked finish 12 Adapter assembly for con...

Страница 68: ...ting Hardware Option code PM Item Part No Qty Description 1 K9171SS 1 Mounting Set U 2 Y9608KU 4 Screw 3 D0117XL A 1 U Bolt Assembly 4 K9171SY 1 Plate 5 K9171SX 1 Bracket 6 K9171ST 1 Mounting Set PM 7 Y9520LU 2 Screw 8 K9171SW 2 Bracket 9 Y9608KU 4 Screw 10 K9676BA 1 Awning hood assembly H5 UNIVERSAL MOUNT SET Option code UM includes both U and PM ...

Страница 69: ...anged because external dimensions for awning hood H5 conduit adapter AFTG ANSI AM20 added p7 Figure 3 4 title modified p8 conduit adapter work added to subsection 3 2 2 p9 to 14 Layout changed descriptions after conduit adapter work moved p17 Subsection 4 3 12 Serial number HART ID changed p20 to 35 Layout changed illustration of submenu screen placed on appropriate page p37 error corrected p41 so...

Страница 70: ... Style S2 Inductive Conductivity Converter The user s manual IM 12D06D05 01E 4th Edition supplied with the product has been amended as follows Please replace the corresponding pages in your copy with the attached revised pages Revisions Page 5 to 6 Some revision of Figure 3 1 and Figure 3 3 addtion of M6 screw position for wall mounting Page 20 Some caution added when measuring unit change in the ...

Страница 71: ...of the instrument specifications See chapter 2 3 1 2 Mounting methods Refer to figures 3 2 and 3 3 Note that the EXAxt converter has universal mounting capa bilities Panel mounting using optional brackets Surface mounting on a plate using bolts from the back Wall mounting on a bracket for example on a solid wall Pipe mounting using a bracket on a horizontal or vertical pipe Size nominal 50A 3 INST...

Страница 72: ...3 Option U wall and pipe mounting diagram 2 ND pipe pipe mounting horizontal pipe mounting vertical wall mounting 15 0 6 35 1 38 13 0 51 4x Ф6 5 0 26 4x Ф10 0 4 200 7 87 70 2 75 154 5 6 08 80 3 15 80 3 15 Unit mm inch Note When option code UM is specified universal pipe wall pannel mounting kit are supplied same as option code U and PM both specified ...

Страница 73: ...f the Temperature elements used The other is a manual set temperature The manual temperature that represents the process tem perature must be set here Reference Temperature Choose a temperature to which the measured conductivity value must be compensated Normally 25 C 77ºC is used therefore this temperature is chosen as default value Method TC In addition to the temperature coefficient calibration...

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