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YOKOGAWA SC202G(S), User Manual

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YOKOGAWA SC202G(S) User Manual Download Page 7

IM 12D7B3-E-H

Introduction 1-1  

1. INTRODUCTION AND GENERAL DESCRIPTION

The Yokogawa EXA 202 is a 2-wire transmitter designed for industrial process monitoring, measurement
and control applications.  This user’s manual contains the information needed to install, set up, operate and
maintain the unit correctly.  This manual also includes a basic troubleshooting guide to answer typical user
questions. 

Yokogawa can not be responsible for the performance of the EXA analyzer if these instructions are not
followed.

1-1. Instrument check

Upon delivery, unpack the instrument carefully and inspect it to ensure that it was not damaged during ship-
ment.  If damage is found, retain the original packing materials (including the outer box) and then immedi-
ately notify the carrier and the relevant Yokogawa sales office.

Make sure the model number on the textplate affixed to the side of the instrument agrees with your order.
Examples of textplates are shown below.

Figure 1-1. Textplate

NOTE: 

The textplate will also contain the serial number and any relevant 
certification marks. Be sure to apply correct power to the unit. 
The first two characters of the serial number refers to the year and 
month of manufacturing
Check that all the parts are present, including mounting hardware, as 
specified in the option codes at the end of the model number.  For a 
description of the model codes, refer to Chapter 2 of this manual 
under General Specifications. 

Basic Parts List: Transmitter SC202

User’s Manual (See model code for language)
Optional mounting hardware when specified (See model code)

NOTE: mounting screws and special grommet are packed in the terminal compartment.

N200

CONDUCTIVITY / RESISTIVITY

TRANSMITTER

PROGRAMMABLE

24V DC

4 TO 20 mA DC

-10 TO 55 

°

C

SUPPLY

OUTPUT

AMB.TEMP. [ Ta ]

SERIAL No.

RANGE

MODEL

EXA SC202G

N200

CONDUCTIVITY / RESISTIVITY

TRANSMITTER

24V  DC

4 TO  20 mA DC

-10 TO 55 

°

C

SUPPLY

OUTPUT

AMB.TEMP. [ Ta ]

SERIAL No.

EEx ib [ia] IIC T4
EEx ib [ia] IIC T6
KEMA 00ATEX1069 X

IS CL I, DIV 1, GP ABCD
T4
T6
HAZ LOC per Control Drawing
FF1-SC202S-00

MODEL

EXA SC202S

SC202S CSA

WARNING

Substitution of
components may impair 
intrinsic safety

AVERTISSEMENT

La substitution de composants
peut compromettre la sécurité
intrinsèque. 

T4 for Ta -10 to 55 

°

C

T6 for Ta -10 to 40 

°

C

Ex ia CL I, DIV 1, GP ABCD,

Refer to Installation Drawing

for Ta -10 to 55 

°

C

for Ta -10 to 40 

°

C

0344

Amersfoort, The Netherlands

II 2 (1) G

RANGE

PROGRAMMABLE 

for Ta -10 to 55 

°

C

for Ta -10 to 40 

°

C

N200

CONDUCTIVITY / RESISTIVITY

24V  DC

4 TO  20 mA DC

-10 TO 55 

°

C

SUPPLY

OUTPUT

AMB.TEMP. [ Ta ]

SERIAL No.

EEx nA [L] IIC T4
EEx nA [L] IIC T6
KEMA 00ATEX1070 X

NI CL I, DIV 2, GP ABCD
T4
T6
HAZ LOC per Control Drawing
FF1-SC202S-00

MODEL

EXA SC202S-N

SC202S CSA

WARNING

Substitution of
components may 
impair suitability for

AVERTISSEMENT

La substitution de composants
peut rendre ce materièl inacceptable
pour les emplacements de 

NI CL I, DIV 2, GP ABCD

Refer to Installation Drawing

for Ta -10 to 55 

°

C

for Ta -10 to 40 

°

C

0344

Amersfoort, The Netherlands

II 3 G

RANGE

PROGRAMMABLE 

for Ta -10 to 55 

°

C

for Ta -10 to 40 

°

C

TRANSMITTER

T4
T6

for Ta -10 to 55 

°

C

for Ta -10 to 40 

°

C

Class I, Division 2.

Classe I, Division 2.

Y = Year

M = Month

2000 M

January

1

2001 N

February

2

2002 P

March

3

2003 R

April

4

........ ..

..........

..

2008 W

September

9

2009 X

October

O

2010 A

November

N

2011 B

December

D

Summary of Contents for SC202G(S)

Page 1: ...User s Manual Model SC202G S Conductivity and Resistivity Transmitter IM 12D7B3 E H 6th Edition YOKOGAWA ...

Page 2: ......

Page 3: ...3 3 3 Hazardous Area Non Incendive SC202S N 3 5 3 4 Wiring of power supply 3 5 3 4 1 General precautions 3 5 3 4 2 Connection of the power supply 3 5 3 4 3 Switching the instrument on 3 5 3 5 Sensor wiring 3 6 3 6 Sensor connection using junction box and extension cable 3 6 3 7 Other sensor systems 3 7 3 7 1 Sensor cable connection using junction box BA10 and extension cable WF10 3 7 4 OPERATION D...

Page 4: ...8 2 8 1 1 Off line calibration checks 8 2 8 1 2 On line impedance checks 8 2 9 USP Water Purity Monitoring 9 1 9 1 What is USP 9 1 9 2 What is conductivity measurement according to USP 9 1 9 3 USP in the SC202 9 1 9 4 Setting SC202 for USP 9 2 10 SPARE PARTS 10 1 10 1 Itemized parts list 10 1 11 APPENDIX 11 1 11 1 User setting for non linear output table code 31 and 35 11 1 11 2 User entered matri...

Page 5: ... Warranty and service Yokogawa products and parts are guaranteed free from defects in workmanship and material under normal use and service for a period of typically 12 months from the date of shipment from the manufacturer Individual sales organizations can deviate from the typical warranty period and the conditions of sale relating to the original purchase order should be consulted Damage caused...

Page 6: ...0 62 Burn out inactive HI or LO output on fail 5 14 5 15 SC 32 Temperature compensation NaCl in water fixed T C matrix 5 12 5 13 5 5 SC 20 28 temp USP functionality inactive Fail if USP limits are 9 1 9 2 5 17 SC 57 exceeded HOLD during maintenance inactive HOLD last value or fixed value 5 17 5 3 5 4 hold SC 50 Calibration temperature inactive adjustment 15 C 5 11 SC 12 ZERO calibration inactive a...

Page 7: ...pecified See model code NOTE mounting screws and special grommet are packed in the terminal compartment N200 CONDUCTIVITY RESISTIVITY TRANSMITTER PROGRAMMABLE 24V DC 4 TO 20 mA DC 10 TO 55 C SUPPLY OUTPUT AMB TEMP Ta SERIAL No RANGE MODEL EXA SC202G N200 CONDUCTIVITY RESISTIVITY TRANSMITTER 24V DC 4 TO 20 mA DC 10 TO 55 C SUPPLY OUTPUT AMB TEMP Ta SERIAL No EEx ib ia IIC T4 EEx ib ia IIC T6 KEMA 0...

Page 8: ... order to ensure easy calibration and peak performance If the unit must be mounted remotely from the sensors WF10 extension cable can be used up to a maximum of 50 metres 150 feet with a BA10 junction box The EXA is delivered with a general purpose default setting for programmable items Default settings are listed in Chapter 5 and again in Chapter 11 While this initial configuration allows easy st...

Page 9: ...ulse of 22mA to signal failure See Fig 2 1 and 2 2 F Temperature compensation Automatic for temperature ranges mentioned under C inputs Reference temp programmable from 0 to 100 C or 30 210 F default 25 C G Compensation algorithm NaCl According IEC 746 3 NaCl tables default T C Two independent user programmable temperature coefficients from 0 00 to 3 50 per C F by adjustment or calibration Matrix ...

Page 10: ...n and log book and lithium battery for clock H Watchdog timer Checks microprocessor I Automatic safeguard Return to measuring mode when no keystroke is made for 10 min J Operation protection 3 digit programmable password K Regulatory compliance EMC meets council directive 89 336 EEC Emmission meets EN 55022 Class A Immunity meets EN 61000 6 2 L Intrinsic safety ATEX EEx ib ia IIC T4 for Ta 10 to 5...

Page 11: ...mple apparatus devices which comply with clause 1 3 of the EN 50014 Electrical data of the EXASC202S Supply and output circuit terminals and Maximum input voltage Ui 31 5 V Maximum input current Ii 100 mA Maximum input power Pi 1 2 W Effective internal capacitance Ci 22 nF Effective internal inductance Li 22 µH Sensor input circuit terminals 11 through 16 Maximum output voltage Uo 14 4 V Maximum o...

Page 12: ... 5 V Maximum input current Imax 100 mA Maximum input power Pmax 1 2 W Effective internal capacitance Ci 22 nF Effective internal inductance Li 22 µH Sensor input circuit terminals 11 through 16 Maximum output voltage Voc 14 4 V Maximum output current Isc 12 8 mA Maximum allowed external capacitance Ca 103 nF Maximum allowed external inductance La 200 mH Barriers and power supply should be CSA cert...

Page 13: ...imum allowed external capacitance Ca 103 nF Effective internal capacitance Ci 22 nF Maximum allowed external inductance La 200 mH Effective internal inductance Li 22 µH If Hand Held Terminal HHT is not connected to the power supply lines of the EXA SC202S see figure 1 Any FM Approved barrier or power supply may be used that meets the following requirements Voc or Vt 31 5 V Isc or It 100 mA Ca 22 n...

Page 14: ...m output voltage Vt 14 4 V Maximum input power Pi 1 2 W Maximum output current It 12 8 mA Effective internal capacitance Ci 22 nF Maximum allowed external capacitance Ca 1 4 µF Effective internal inductance Li 22 µH Maximum allowed external inductance La 900 mH The Hand Held Terminal must be FM Approved in case it is used in the classified location When installing this equipment follow the manufac...

Page 15: ...ntenance procedures are possible avoiding corrosive environments The ambient temperature and humidity of the installation environment must be within the limits of the instru ment specifications See chapter 2 3 1 2 Mounting methods Refer to figures 3 2 and 3 3 Note that the EXA transmitter has universal mounting capabilities Panel mounting using two 2 self tapping screws Surface mounting on a plate...

Page 16: ... mounting wall mounting pipe mounting pipe mounting vertical horizontal 2x ø6 5 0 26 4x ø10 0 4 200 7 87 70 2 75 56 2 20 IM 12D7B3 E H 3 2 Installation and wiring Figure 3 4 Internal view of EXA wiring compartment Figure 3 3 Wall and pipe mounting diagram ...

Page 17: ...he power Commission the instrument as required or use the default settings 5 Replace the cover and secure frontplate with the four screws 6 Connect the grounding terminals to protective earth 7 The optional hose connection is used to guide the cables coming from an immersion fitting through a protective plastic tubing to the transmitter 3 2 1 Cables terminals and glands The SC202 is equipped with ...

Page 18: ...ertificate This sets a limit to the cable and extensions used The intrinsic safe version of the EXA 202 instrument can be mounted in Zone 1 The sensors can be installed in Zone 0 or Zone 1 if a safety barrier according to the limits given in the system certificate is used Ensure that the total of capacitances and inductances connected to the terminals of the EXA SC202 do not exceed the limits give...

Page 19: ...res the minimum operating voltage for the instrument Grounding If the transmitter is mounted on a grounded surface e g a metal frame fixed in the soil the shield of the 2 wire cable may NOT be connected to ground at the distributor If the transmitter is mounted on a non conducting surface e g a brick wall it is recommended to ground the shield of the 2 wire cable at the distributor end 3 4 2 Conne...

Page 20: ...d extension cable Where a convenient installation is not possible using the standard cables between sensors and transmitter a junction box and extension cable may be used The Yokogawa BA10 junction box and the WF10 exten sion cable should be used These items are manufactured to a very high standard and are necessary to ensure that the specifications of the system can be met The total cable length ...

Page 21: ... g 5 m fixed cable and 55 m extension cable 3 7 Other sensor systems To connect other sensor systems follow the general pattern of the terminal connections as listed below 11 and 12 Always used for temperature compensation resistor input 13 and 14 Normally used for the outer electrode 15 and 16 Used for inner electrode In case a 4 electrode measuring system will be used 14 and 16 should be used fo...

Page 22: ...13 Core 17 Screen Brown Co axial Cable WF10 Cable TRANSMITTER CONVERTER A C Overall shield B D Screen E Red White Blue Brown Thermistor Temperature sensor Ground Shield Secondary Coil Primary Coil 11 12 17 13 15 16 14 Fig 3 12 Connection of WF10 extension cable and BA10 BP10 junction box NOTE See page 3 10 for termination for WF10 cable in combination with EXA SC ...

Page 23: ...ve insulation Fig 3 13a 3 Remove loose copper screening and cut off the cotton packing threads as short as possible 4 Strip insulation from the last 3 cm of the brown and the white coaxial cores 3 cm cotton threads Fig 3 13b 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 drain wire 14 and the 2 c...

Page 24: ...IM 12D7B3 E H ...

Page 25: ...et such values as the output ranges and hold features It also gives access to the service menu See table 4 1 LEVEL 3 Service For more advanced configuration selections press the button marked then press NO repeatedly until you reach SERVICE Now push the YES button Selecting and entering Service Code numbers in the commissioning menu provide access to the more advanced functions An explanation of t...

Page 26: ...it The value can not be decreased so in order to obtain a lower value increase past nine to zero then increase to the required number ENT When the required value has been set using the and keys press ENT to confirm the data entry Please note that the EXA does not register any change of data until the ENT key is pressed key This is the commissioning mode key It is used to obtain access to the commi...

Page 27: ... in Service Code 52 to obtain access to the Commissioning Mode Service From the commissioning menu select Service by pressing YES key The display shows 000 and PASS Enter a 3 digit passcode as set in Service Code 52 to obtain access to the Service Mode NOTE See Service Code 52 for the setting of passcodes 4 4 Display examples The following pages show the sequence of button presses and screens disp...

Page 28: ...2 2nd compensated value µ S c m NO w w See Calibration menu Chapter 6 NO NO YES ENT HOLD FAIL YES NO ENT NO MODE YES MODE MEASURE CAL DISPLAY HOLD OUTPUT SET HOLD TEMP SERVICE YES NO YES NO NO YES NO NO YES NO NO NO YES NO NO YES NO YES NO YES NO YES NO YES NO YES NO YES NO YES NO µ S c m Current output 1 Press YES to fix the selected second line of display µS c m NO YES NO NO Uncompensated if USP...

Page 29: ...y once to enter this dialog mode Note that at this stage the user will be prompted for a passcode where this has been previously set up in service code 52 section 5 Calibrate See calibration section 6 Display setting See operation section 4 Hold Manually switch on off hold when enabled in commissioning menu See adjustment procedure 5 2 3 5 1 2 Manual activation of Hold IM 12D7B3 E H ENT FAIL NO MO...

Page 30: ...ompensation types and values see also section 5 2 4 NaCl is the default compensation and is used for neutral salt solutions Strong solutions of salts are compensated as are process waters and pure and ultrapure water TC temperature coefficient compensation uses a linear temperature compensation fac tor This can be set by calibration or configuration Matrix compensation is an extremely effective wa...

Page 31: ...IM 12D7B3 E H IM 12D7B3 E H 5 2 2 Range ENT NO MODE YES MODE MEASURE CAL DISPLAY HOLD OUTPUT SET HOLD TEMP SERVICE ENT YES NO YES NO NO NO NO NO NO YES YES NO YES NO YES NO ENT Parameter setting 5 3 ...

Page 32: ...HOLD HOLD active last measured value NO YES NO NO YES NO YES NO NO NO YES NO YES NO YES NO YES NO YES NO NO HOLD YES HOLD OUTPUT SET HOLD TEMP SERVICE MODE MEASURE CAL DISPLAY HOLD HOLD ENT Set HOLD fixed value YES HOLD ENT HOLD ENT NO YES YES NO YES YES NO ...

Page 33: ...e following equation Kt Kref x 100 T Tref Kref In which Temperature compensation factor in C T Measured temperature C Kt Conductivity at T Tref Reference temperature C Kref Conductivity at Tref 3 Manual temperature compensation If the standard compensation function is found to be inaccurate for the sample to be measured the trans mitter can be set manually for a linear factor on site to match the ...

Page 34: ...y reading to the correct value using ENT keys µ S c m ENT Briefly WAIT MODE MEASURE CAL DISPLAY HOLD OUTPUT SET HOLD TEMP SERVICE NO ENT YES YES NO YES YES NO NO YES NO NO NO NO YES NO YES NO YES NO YES NO YES NO IM 12D7B3 E H IM 12D7B3 E H 5 6 Parameter setting 5 2 5 Temperature compensation selection ...

Page 35: ...pages On the page facing the setting tables are concise explanations of the purpose of the service codes Example Service Code 01 Select main parameter for SC for RES With the ENT keys ENT After changing the parameter the instrument first goes into reset to load the parameter specific default values MODE MEASURE CAL DISPLAY HOLD OUTPUT SET HOLD TEMP SERVICE YES ENT NO NO NO NO NO ENT ENT ENT ENT EN...

Page 36: ... or if the entered cell constant differs from previous value then the message RESET will appear on the second line display After pressing YES the entered value becomes the new nominal and calibrated cell constant After pressing NO the update proce dure of the cell constant entry is canceled Code 4 AIR To avoid cable influences on the measurement a zero calibration with a dry sensor may be done If ...

Page 37: ...t Press NO to step through choice of 0 100 cm 1 multiplying factors on the second display 0 10xC 1 00xC 0 10xC 10 0xC 100 xC 0 01xC Press YES to select a factor Use ENT keys to adjust MAIN digits 1 000 04 AIR Zero calibration Zero calibration with dry cell connected START Press YES to confirm selection WAIT Press YES to start after briefly displaying END WAIT END will be displayed Press YES to ret...

Page 38: ...y resistivity sensors Code 11 T UNIT Celsius or Fahrenheit temperature scales can be selected to suit user preference Code 12 T ADJ With the process temperature sensor at a stable known temperature the temperature reading is adjusted in the main display to correspond The calibra tion is a zero adjustment to allow for the cable resistance which will obviously vary with length The normal method is t...

Page 39: ...ault values Temperature measuring functions 10 T SENS Temperature sensor Pt1000 0 0 Pt1000 Ni100 1 Pb36 2 Pt100 3 8k55 4 11 T UNIT Display in C or F C 0 0 C F 1 12 T ADJ Calibrate temperature Adjust reading to allow for cable None resistance Use ENT keys to adjust value 13 19 Not used ...

Page 40: ...lues at the differ ent temperatures must be entered in codes 24 to 28 Code 23 T1 T2 T3 Set the matrix compensation range It is not necessary to enter equal T4 T5 C temperature steps but the values should increase from T1 to T5 otherwise the entrance will be refused Example 0 10 30 60 and 100 C are valid values for the T1 T5 The minimum span for the range T5 T1 is 25 C Code 24 28 L1xT1 In these acc...

Page 41: ...n section 5 2 5 using ENT keys HCl cation pure water 0 80 C 1 1 HCI Ammonia pure water 0 80 C 2 Morpholine pure water 0 80 C 3 HCl 0 5 0 60 C 4 NaOH 0 5 0 100 C 5 User programmable matrix 9 23 T1 C F Set temp range Enter 1st lowest matrix temp value T2 Enter 2nd matrix temp value T3 Enter 3rd matrix temp value T4 Enter 4th matrix temp value T5 Enter 5th highest matrix temp value 24 L1xT1 Enter con...

Page 42: ...ation of an output curve by 21 steps intervals of 5 The following example shows how the table may be configured to linearize the output with a mA curve Code 4 20 H2SO4 mS cm Default Output mA Service Service mS cm code 55 code 35 0 4 0 0 00 0 0 5 4 8 1 25 60 50 10 5 6 2 50 113 100 15 6 4 3 75 180 150 20 7 2 5 00 218 200 25 8 0 6 25 290 250 30 8 8 7 50 335 300 35 9 6 8 75 383 350 40 10 4 10 00 424 ...

Page 43: ...function No burnout 0 0 No Burn Burnout downscale 1 Burnout upscale 2 Pulse burnout 3 33 34 Not used 35 TABLE Output table for mA 0 Linearization table for mA in 5 steps 5 The measured value is set in the main 10 display using the ENT keys for each of the 5 interval steps Where a value is not known that value may 95 be skipped and a linear interpolation will 100 take place 36 39 Not used ...

Page 44: ...s can be set for shorted and open measurement Dependent on the main E6 LIM parameter chosen in code 01 the EXA will ask for a resistivity or conductivity value to be set value to be set is the uncompensated conductivity resistivity value Code 55 For some applications the measured parameter values may be more or less lin ear to concentration For such applications it is not needed to enter an output...

Page 45: ...Err 08 Temp sensor shorted Soft Hard 0 1 1 Hard Err 13 USP limit exceeded Soft Hard 0 1 0 Soft 54 E5 LIM E5 limit setting Maximum conductivity value 250 mS Minimum resistivity value 0 004 kΩ E6 LIM E6 limit setting Minimum conductivity value 1 000 µS Maximum resistivity value 1 000 MΩ 55 Display mA in w w mA range displayed in w w off 0 Off mA range displayed in w w on 1 0 Set 0 output value in w ...

Page 46: ...for a fresh start This may be desirable when re commissioning an instrument that has been out of service for a while 5 8 General Code 70 LOAD The load defaults code allows the instrument to be returned to the default set up with a single operation This can be useful when wanting to change from one application to another 5 9 Test and setup mode Code 80 TEST The test mode is used to confirm the inst...

Page 47: ...ddress Set address 00 to 15 00 61 HOUR Clock setup Adjust to current date and time using MINUT and ENT keys SECND YEAR MONTH DAY 62 ERASE Erase logbook Press YES to clear logbook data 63 69 Not used Code Display Function Function detail X Y Z Default values General 70 LOAD Load defaults Reset configuration to default values 71 79 Not used Code Display Function Function detail X Y Z Default values ...

Page 48: ...IM 12D7B3 E H ...

Page 49: ...to give a precise concentration with the temperature stabilized to the adjusted reference temperature of the instrument default 25 C The conductivity of the solution is taken from litera ture tables or the table on this page Alternatively the instrument may be calibrated in an unspecified solution against a standard instrument Care should be taken to make a measurement at the reference temperature...

Page 50: ...E YES MODE MEASURE DISPLAY CAL HOLD Press the MODE key The legend CALIB appears and the YES NO key prompt flags flash ENT The cell constant is automatically updated after the calibration and the new value can be read on the display as described in section 4 5 The calculation is as follows Cell constant in cm Conductivity of calibration solution in mS cm x Cell resistance in kOhm Comparing this cal...

Page 51: ...s ENT to enter the change After briefing displaying WAIT the CAL END message appears The calibration is now complete Put the sensor back in the process and press YES HOLD will be displayed Press NO to turn off HOLD and return to the measuring mode NO YES NO YES NO YES HOLD MODE NO YES YES HOLD ENT NO MODE YES MODE MEASURE CAL DISPLAY HOLD Press the MODE key The legend CALIB appears and the YES NO ...

Page 52: ...IM 12D7B3 E H ...

Page 53: ...ur nearest Yokogawa service centre for spare parts and instructions 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 resistivity measurements do not need much periodic maintenance If the EXA indi cates an error in the measurement or in the calibration some action m...

Page 54: ...IM 12D7B3 E H ...

Page 55: ...sation factor while performing manual temperature compen sation as described in section 5 2 5 If the TC factor stays within 0 00 to 3 50 per C it is accepted Otherwise E2 will be displayed 8 1 2 On line checks The EXA performs several on line checks to optimize the measurement and to indicate a fault due to the fouling or polarization of the connected sensor The fault will be indicated by the acti...

Page 56: ...re sensor open Process temperature too high or too low Check process Pt1000 T 250 C or 500 F Wrong sensor programmed Check model code sensor Pt100 Ni100 T 200 C or 400 F Incorrect wiring Check connections and cable 8k55 T 10 C or 10 F PB36 T 20 C or 0 F E8 Temperature sensor shorted Process temperature too high or too low Check process Pt1000 Pt100 Ni100 T 20 C or 0 F Wrong sensor programmed Check...

Page 57: ...ality are based on the Chloride model or the Ammonia model Our job is to develop on line analyzers that make it simple for our customers to meet the water quality that is specified as stage 1 Conductivity Limit as a Function of Temperature If the water exceeds the limits of stage 1 then it can still be acceptable but requires the customer to pro ceed to Stage 2 and possibly Stage 3 to validate the...

Page 58: ...s uncompensated conductivity in the display menu The E13 feature is also enabled For E13 the FAIL flag is triggered when the uncompensated conductivity exceeds the relevant value in the graph Conductivity limit as a function of Temperature Temperature in ºC 0 25 50 75 100 microSiemens cm 3 5 3 2 5 2 1 5 1 0 5 0 Fig 9 1 IM 12D7B3 E H ...

Page 59: ...alogue input board general purpose K1544SK 5b Analogue input board intrinsically safe K1544SE 6 Ribbon cable K1544PH 7 EPROM K1544BJ 8 Lithium cell battery K1543AJ 9 Terminals block of 3 K1544PF 10 Housing K1542JL 11 Gland set one gland including seal and backing nut K1500AU 12 Text plate general purpose version only K1544BC Options U Pipe and wall mounting hardware K1542KW SCT Stainless steel tag...

Page 60: ...IM 12D7B3 E H ...

Page 61: ...80 16 8 085 17 6 090 18 4 095 19 2 100 20 0 11 2 User entered matrix data code 23 to 28 Medium T1 data T2 data T3 data T4 data T5 data Code 23 Temperature T1 T5 Code 24 Solution 1 L1 Code 25 Solution 2 L2 Code 26 Solution 3 L3 Code 27 Solution 4 L4 Code 28 Solution 5 L5 Medium T1 data T2 data T3 data T4 data T5 data Code 23 Temperature T1 T5 Code 24 Solution 1 L1 Code 25 Solution 2 L2 Code 26 Solu...

Page 62: ...178 µS 0 203 µS 0 273 µS 0 974 µS 60 0 251 µS 0 256 µS 0 278 µS 0 344 µS 1 090 µS 70 0 350 µS 0 356 µS 0 377 µS 0 439 µS 1 225 µS 80 0 471 µS 0 479 µS 0 501 µS 0 563 µS 1 393 µS Morpholine p 0 ppb 20 ppb 50 ppb 100 ppb 500 ppb selection 3 0 0 0116 µS 0 0272 µS 0 0565 µS 0 0963µS 0 288 µS 10 0 0230 µS 0 0402 µS 0 0807 µS 0 139 µS 0 431 µS 20 0 0419 µS 0 0584 µS 0 108 µS 0 185 µS 0 592 µS 30 0 0710 ...

Page 63: ...most cases the temperature sensor is integrated in the conductivity resistivity sensor 11 5 Setup for other functions Current Outputs Transmission signals for the measured parameters can be set up in service codes 30 39 Diagnostic checks Polarization check and checks on the calibrated cell constant and the adjusted Temperature Coefficient are included in the EXA SC202 Communications The proprietar...

Page 64: ...0 11 T UNIT 0 C 12 T ADJ None Temperature compensation functions 20 T R C 25 C 21 T C 1 2 1 C T C 2 2 1 C 22 MATRX None see 5 2 5 23 T1 C T range See sep table 11 2 24 L1xT1 Cond C1 See sep table 11 2 25 L2xT1 Cond C2 See sep table 11 2 26 L3xT1 Cond C3 See sep table 11 2 27 L4xT1 Cond C4 See sep table 11 2 28 L5xT1 Cond C5 See sep table 11 2 mA outputs 31 OUTP F 0 Linear S C 32 BURN 0 No Burn 35 ...

Page 65: ...ard fail Err 06 1 hard fail Err 07 1 hard fail Err 08 1 hard fail Err 13 0 soft fail 54 E5 LIM 250 mS 0 004 kΩ E6 LIM 1 000 µS 1 0 MΩ 55 0 0 Off 100 100 0 56 DISP 0 Auto ranging SC 2 xx xxMΩ cm RES 57 USP 0 off Communication 60 COMM 0 1 off write prot ADDR 00 00 61 HOUR 62 ERASE General 70 LOAD Test and setup mode 80 TEST IM 12D7B3 E H ...

Page 66: ...ocess Pt1000 T 250 C or 500 F Wrong sensor programmed Check model code sensor Pt100 Ni100 T 200 C or 400 F Incorrect wiring Check connections and cable 8k55 T 10 C or 10 F PB36 T 20 C or 0 F E8 Temperature sensor shorted Process temperature too high or too low Check process Pt1000 Pt100 Ni100 T 20 C or 0 F Wrong sensor programmed Check model code sensor 8k55 PB36 T 120 C or 250 F Incorrect wiring ...

Page 67: ...e Device id Write protect Universal revision Transmitter revision Software revision Hardware revision Polling address Req preambles Device setup Primary value Analog output Lower rangeval Upper rangeval Review ON LINE MENU Level 1 menu Level 2 menu Level 3 menu Level 4 menu Level 5 menu Process variab Diag Service Basic Setup Detailed Setup Date Descriptor Message Write protect Manufacture device ...

Page 68: ...e release 1 1 PH201 communication added for Japanese market 11 9 2 Changes made by software release 1 1 E20 is cleared after the programmed data was recovered 11 9 3 Changes made by software release 2 1 Communication is default set to enabled write enabled 11 8 Appendix ...

Page 69: ...sure that all the relevant parts are present and correctly fitted 3 Safety Test The minus and the external ground terminal of the housing are connected to a Voltage generator 100 VDC The measured impedance value should be over 9 5 MΩ Terminal 14 and the external ground terminal of the housing are connected to a Voltage generator 500 VAC RMS for 1 minute The leakage current should remain below 12 m...

Page 70: ...ct the SC202 as shown in Figure 1 Set box 1 to simulate 25 ºC 1097 3 Ω for Pt1000 Before starting the actual test the SC202 and peripheral testing equipment has to be connected to the power supply for at least 5 minutes to assure the instrument is warmed up properly Figure 1 Connection diagram for the overall accuracy test The tolerances specified relate to the performance of the SC202 with calibr...

Page 71: ...Test Certificate 12 3 IM 12D7B3 E H ...

Page 72: ... 32 2 719 55 11 Fax 32 2 725 34 99 NORTHERN EUROPE Yokogawa Nordic A B Finlandsgatan 52 2fl SE 164 74 Kista STOCKHOLM Tel 46 8 477 1900 Fax 46 8 477 1999 FRANCE Yokogawa France S A Vélizy Valley 18 20 Rue Grange Dame Rose 78140 VELIZY VILLACOUBLAY Tel 33 1 39 26 10 00 Fax 33 1 39 26 10 30 GERMANY Yokogawa Deutschland GmbH Berliner Strasse 101 103 D 40880 RATINGEN Tel 49 2102 4983 0 Fax 49 2102 498...

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