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<12. Troubleshooting>

12-4

IM 11M12A01-04E

11th Edition : Jul. 19, 2017-00

12.2 Displays and Measures to Take When

Alarms are Generated

12.2.1

What is an Alarm?

When an alarm is generated, the alarm indication blinks in the display to notify of the alarm (Figure

12.3).
Pressing the alarm indication displays a description of the alarm. Alarms include those shown in

Table 12.2.

Displayed alternately

AL-06

21.0%

F12.4E.ai

Figure 12.4

Table 12.2

Types of Alarms and Reasons for Occurrence

Alarm

Type of alarm

Reason for occurrence

Alarm 1

through 3

Oxygen concentration alarm

concentration alarm

humidity, and mixing ratio alarms

Occurs when a measured value exceed or falls below the

set alarm value (refer to Section 8.3, "Setting Alarms").

Alarm 6

Zero calibration coefficient alarm

Generated when the zero correction ratio is out of the

range of 100 ± 30% in automatic and semi-automatic

calibration (refer to Section 9.1.4, Compensation).

Alarm 7

Span calibration coefficient alarm

Generated when the span correction ratio is out of the

range of 0 ± 18% in automatic and semi-automatic

calibration (refer to Section 9.1.4, "Compensation").

Alarm 8

EMF stabilization time-up

Generated when the cell (sensor) voltage is not stabilized

even after the calibration time is up in automatic and

semi-automatic calibration.

Alarm 10 Cold junction temperature alarm

Occurs when an equipment internal temperature

exceeds 85°C.

Alarm 11

Thermocouple voltage alarm

Generated when thermocouple voltage exceeds 42.1 mV

(about 1020°C ) or falls below -5 mV (about -170°C).

Alarm 13 Battery low alarm

Internal battery needs replacement

If an alarm is generated, such measures as turning off the heater power are not carried out. The alarm

is released when the cause for the alarm is eliminated.
However, Alarm 10 and/or Alarm 11 may be generated at the same time as Error-2 (heater temperature

error).
In such a case, the measure taken for this error has priority.
If the converter power is turned off after an alarm is generated and restarted before the cause of the

alarm has been eliminated, the alarm will be generated again.
However, Alarms 6, 7, and 8 (alarms related to calibration) are not generated unless calibration is

executed.

12.2.2

Measures Taken When Alarms are Generated

l

Alarm 1 through 3: Oxygen Concentration Alarm, Humidity, and Mixing Ratio

Alarms

This alarm is generated when a measured value exceeds an alarm set point or falls below it. For

details on the oxygen concentration alarm, see Section 8.3, “Setting Alarms,” in the chapter on

operation.

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Содержание EXAxt ZR402G

Страница 1: ...User s Manual Model ZR202G Integrated type Zirconia Oxygen Humidity Analyzer IM 11M12A01 04E IM 11M12A01 04E 11th Edition...

Страница 2: ...mperature Humidity Analyzer when the option code HS Set for Humidity Analyzer is selected In this manual the Oxygen Analyzer is mainly listed When there are not mentions such as in the case of Humidit...

Страница 3: ...tandard specification model code or part number dimension drawing for each equipment A B B 3 Installation Installation method for each equipment A C 4 Piping Examples of piping in three standard syste...

Страница 4: ...ration gas to ensure that there is no leakage of the gas If there is any leakage of the gas the moisture drawn from the sample gas may damage the sensor The probe especially at the tip becomes very ho...

Страница 5: ...well as in this manual WARNING This symbol indicates that an operator must follow the instructions laid out in this manual in order to avoid the risks for the human body of injury electric shock or fa...

Страница 6: ...ontact our sales representative or your local distributor n Drawing Conventions Some drawings may be partially emphasized simplified or omitted for the convenience of description Some screen images de...

Страница 7: ...Operation keys displays on the panel Enclosed in Ex MODE key Ex message display BASE Ex data display 102 lit 102 flashing l Drawing for flashing Indicated by gray characters Flashing lit l Displays o...

Страница 8: ...designed to be used by a person with specialized knowledge n How to dispose the batteries This is an explanation about the EU Battery Directive This directive is only valid in the EU Batteries are inc...

Страница 9: ...Blank Page...

Страница 10: ...2 1 3 ZO21R Probe Protector 2 9 2 1 4 ZH21B Dust Protector 2 10 2 2 ZA8F Flow Setting Unit and ZR20H Automatic Calibration Unit 2 11 2 2 1 ZA8F Flow Setting Unit 2 11 2 2 2 ZR20H Automatic Calibration...

Страница 11: ...3 4 2 2 Piping for the Calibration Gas 4 3 4 2 3 Piping for the Reference Gas 4 4 4 3 Piping for System 3 4 4 4 4 Piping for the Oxygen Analyzer with Pressure Compensation 4 6 4 4 1 Piping Parts for O...

Страница 12: ...rrent 20 mA Settings 7 11 7 8 Setting Display Item 7 12 7 8 1 Oxygen Analyzer Setting Display Item 7 12 7 8 2 Humidity Analyzer Setting Display Item 7 13 7 9 Checking Current Loop 7 13 7 10 Checking C...

Страница 13: ...are Calculated and Periods over which Maximum and Minimum Values Are Monitored 8 14 8 6 3 Setting Fuels 8 15 8 6 4 Setting Measurement Gas Temperature and Pressure 8 19 8 6 5 Setting Purging 8 20 9 Ca...

Страница 14: ...y and Mixing Ratio 10 6 10 1 21 Minimum Oxygen Concentration Humidity and Mixing Ratio 10 6 10 1 22 Average Oxygen Concentration Humidity and Mixing Ratio 10 6 10 1 23 Span and Zero Correction Ratios...

Страница 15: ...12 1 1 What is an Error 12 1 12 1 2 Measures to Take When an Error Occurs 12 2 12 2 Displays and Measures to Take When Alarms are Generated 12 4 12 2 1 What is an Alarm 12 4 12 2 2 Measures Taken Whe...

Страница 16: ...f manufacturing applications with humidifiers as well as with driers for humidity measurement and control It can help improve productivity in these application fields The probe uses a high reliability...

Страница 17: ...lean and dry air of oxygen concentration 21 is used as the reference gas and the span gas for calibration Zero gas is fed from a cylinder during calibration In case of humidity analyzer this system is...

Страница 18: ...pply air to the sensor 100 to 240 V AC Automatic calibration unit Reference gas Calibration gas Zero Contact input Analog output contact output Digital output HART Air Set Instrument air Calibration g...

Страница 19: ...A A B B G7001ZC Zero gas Cylinder A A B B G7013XF G7014XF Pressure Reducing Valve for Gas Cylinder A A B B E7044KF Case Assembly for Calibration gas Cylinder A A B B Model ZR202A Heater Assembly Spare...

Страница 20: ...tting in the range of 0 to 5 through 0 to 100 vol O2 in 1 vol O2 or partial range In case of Humidity Analyzer Moisture quantity 0 to 25 through 0 to 100 vol H2O in 1 vol H2O or partial range Mixture...

Страница 21: ...IEC 61010 II Note Pollution degree based on IEC 61010 2 Note Note Installation category called over voltage category specifies impulse withstand voltage Category II is for electrical equipment Polluti...

Страница 22: ...Pressure 200 kPa the pressure inside the furnace It is recommended to use air which is dehumidified by cooling to dew point 20 C or less and dust or oil mist are removed Consumption Approx 1Nl min We...

Страница 23: ...tio kg kg cell e m f mV cell internal resistance cell condition in four grades heater on time rate calibration record ten times time year month day hour minute output 1 2 current mA cell response time...

Страница 24: ...dded to high low alarms The following functions are programmable for contact outputs 1 Abnormal 2 High high alarm 3 High alarm 4 Low low alarm 5 Low alarm 6 Maintenance 7 Calibration 8 Range switching...

Страница 25: ...rinted tag plate 7 Failure alarm down scale Output status at CPU failure and hardware error is 3 6 mA or less 12 Failure alarm up scale Output status at CPU failure and hardware error is 21 0 mA or mo...

Страница 26: ...DIN PN10 DN100 A JIS 5K 65 FF JIS 10K 65 FF JIS 10K 80 FF JIS 10K 100 FF JPI Class 150 4 RF JPI Class 150 3 RF Westinghouse 152 4 190 5 228 6 165 200 220 155 175 185 210 229 190 155 120 6 152 4 190 5...

Страница 27: ...JIS 10K 100 FF JPI Class 150 4 RF JPI Class 150 3 RF Westinghouse 152 4 190 5 228 6 165 200 220 155 175 185 210 229 190 155 120 6 152 4 190 5 125 160 180 130 140 150 175 190 5 152 4 127 4 19 4 19 8 19...

Страница 28: ...O21R L 200 B to reinforce the probe Insertion Length 1 05 m 1 55 m 2 05 m Flange JIS 5K 65A FF equivalent ANSI Class 150 4 FF without serration equivalent However flange thickness is different Materia...

Страница 29: ...ible materials from entering the probe cell where humidity measurements are made in a dusty environment Insertion length 0 428m Flange JIS 5K 80 FF or ANSI Class 150 4 FF However flange thickness is d...

Страница 30: ...bration gas and reference gas Standard Specifications FIowmeter Scale Calibration gas 0 1 to 1 0 l min Reference gas 0 1 to 1 0 l min Construction Dust proof and rainproof construction Case Material S...

Страница 31: ...pecifications 2 12 IM 11M12A01 04E 11th Edition Jul 19 2017 00 l Model and Codes Model Suffix code Option code Description ZA8F Flow setting unit Joint J A Rc 1 4 With 1 4 NPT adapter Style code C Sty...

Страница 32: ...RO GAS IN AIR IN Instrument air Approx 1 5 l min Air Set REF OUT SPAN GAS IN 20 20 35 35 35 35 35 70 32 7 222 8 235 8 140 180 7 Reference gas outlet Calibration gas outlet 6 Hole Span gas inlet Zero g...

Страница 33: ...US304 JIS Flowmeter MA Methacrylate resin Bracket SUS304 JIS Finish Polyurethane corrosion resistance coating Case Mint green Munsell 5 6 BG3 3 2 9 Cover Mint green Munsell 5 6 BG3 3 2 9 Piping Connec...

Страница 34: ...NO AMB TEMP STYLE SUFFIX MODEL ZR20H 20 TO 558C AUTO CAL UNIT SPAN IN REF IN ZERO IN 84 166 5 80 243 258 166 5 56 44 180 MAX 44 40 40 66 5 49 111 66 5 40 40 84 Span gas inlet Zero gas inlet Reference...

Страница 35: ...to 1 0 vol O2 N2 balanced Power Supply 100 110 115 200 220 240V AC 10 50 60 Hz Power Consumption Max 5 VA Case material SPCC Cold rolled steel sheet Paint Epoxy resin baked Paint Color Mainframe Munse...

Страница 36: ...neral use the sample gas flow should be approximately perpendicular to the probe Mesh 30 microns Material SiC Filter SUS316 JIS Weight Approx 0 2 kg Part No Description K9471UA Filter K9471UX Tool Uni...

Страница 37: ...ial SUS316 JIS F15 ai 58 Full open length 40 Rc1 4 or 1 4NPT 48 2 4 4 Check Valve part no K9292DN or K9292DS This valve is mounted on the calibration gas line directly connected to the detector This i...

Страница 38: ...l Standard Specifications Part no G7003XF or K9473XK Primary Pressure Max 1 MPa G Secondary Pressure 0 02 to 0 2 MPa G Connection Rc1 4 or 1 4NPT F with joint adapter Weight Approx 1 kg Part No Descr...

Страница 39: ...40 2 M6 screw depth 8 40 Horizontal mounting Vertical mounting Panel cut dimensions View A F22_1 ai Unit mm 2 4 6 Zero Gas Cylinder part no G7001ZC The gas from this cylinder is used as the calibratio...

Страница 40: ...Stop valve Approx 112 IN Unit mm Outlet Part No G7013XF G7014XF Outlet Rc1 4 1 4 NPT female screw Secondary pressure gauge Primary pressure gauge Secondary safety valve Primary safety valve Approx 82...

Страница 41: ...ZR202A Heater Assembly for ZR202G Length 1 040 070 100 150 200 250 300 0 4 m 0 7 m 1 m 1 5 m 2 m 2 5 m 3 m Jig for change A N with Jig None A Always A 1 Suffix code of length should be selected as sam...

Страница 42: ...ection is selected as reference gas 4 No vibration 5 The sample gas satisfies the specifications described in Chapter 2 6 No sample gas pressure fluctuations CAUTION The ambient temperature of the ZR2...

Страница 43: ...insertion hole 3 1 2 Installation of the Probe CAUTION The cell sensor at the tip of the detector is made of ceramic zirconia Do not drop the detector as impact will damage it A gasket should be used...

Страница 44: ...1 EPS Screw Detector Attach the filter unit to the tip of the detector by screwing it clockwise Figure 3 2 Installation of the dust filter Procedures for installing the dust guard protector K9471UC Th...

Страница 45: ...obe insertion hole The probe protector should be installed so that the notch comes to the downstream of the sample gas flow 2 Make sure that the sensor assembly mounting screws four bolts at the probe...

Страница 46: ...ive gas 4 An ambient temperature of not more than 55 C and little changes of temperature 5 No vibration 6 Little exposure to rays of the sun or rain n Mounting of ZA8F Flow Setting Unit The flow setti...

Страница 47: ...access to the unit for checking and maintenance work 2 Near to the detector and the converter 3 No corrosive gas 4 An ambient temperature of not more than 55 C and little change of temperature 5 No v...

Страница 48: ...et Rc1 4 or 1 4NPT Female Reference gas inlet Rc1 4 or 1 4NPT Female 166 5 60 45 160 66 5 40 40 180 MAX 44 Figure 3 10 Automatic Calibration Unit Mounting 3 4 Installation of the Case Assembly E7044KF...

Страница 49: ...e voltage shall be applied for as short a time as practicable to confirm that insulation resistance is 20 M or more Remove wiring from the converter and the detector 1 Remove the jumper plate located...

Страница 50: ...DI 2 3 DI C 4 DO 1 5 DO 1 6 DO 2 7 DO 2 8 FG 9 AO 10 AO 11 L 12 N 13 G 14 FG F3 17E ai Remove jumper plate Insulation resistance tester Insulation resistance tester Crossover wiring Crossover wiring...

Страница 51: ...Blank Page...

Страница 52: ...the dew point 20 C or lower removed any dust oil mist and the like for reference gas Stable analyzing can be conducted when using instrument air 4 1 Piping for System 1 The piping in System 1 is illus...

Страница 53: ...stop valve of a quality specified by YOKOGAWA through a nipple found on the local market as illustrated in Figure 4 2 and mount a joint also found on the local market at the stop valve tip The stop va...

Страница 54: ...cylinder User s scope Pressure Regulator G7013XF or G7014XF recommended by YOKOGAWA Joint for tube connection Rc1 4 or 1 4 NPT General parts Reference gas inlet Air set G7003XF K9473XK or G7004XF K947...

Страница 55: ...as that of System 2 Refer to Section 4 2 Adjust secondary pressure of both the air set and the zero gas regulator so that these two pressures are approximately the same The flow rate of zero and span...

Страница 56: ...B F3 15E ai Horizontal mounting on the ZR202G A Unit mm Display side Zero gas inlet Rc1 4 or 1 4NPT Female Span gas inlet Rc1 4 or 1 4NPT Female Reference gas inlet Rc1 4 or 1 4NPT Female 166 5 60 45...

Страница 57: ...G1 2 2 1 2 NPT or the like Wiring connection Rc1 4 or 1 4NPT Calibration gas inlet Stop valve Reference gas outlet Flange PIPING PIPING Figure 4 6 Oxygen Analyzer with Pressure Compensation Ensure tha...

Страница 58: ...ensation Supplying the air pressure flow may vary depending on the furnace pressure It is recommended to use a flow gauge and an air set meeting the furnace pressure ZR202G Integrated type Zirconia Ox...

Страница 59: ...Rc1 4 or 1 4 NPT General parts Zero gas cylinder User s scope Pressure regulator G7013XF or G7014XF recommended by YOKOGAWA Joint for tube connection Rc1 4 or 1 4 NPT General parts Reference gas inlet...

Страница 60: ...y switch of this equipment Wiring procedure Wiring should be made according to the following procedure 1 Be sure to connect the shield of the shielded line to FG terminal of the analyzer 2 The most ou...

Страница 61: ...ngth should be taken for the HART communication For the detail refer to Section 1 1 2 of the IM 11M12A01 51E Communication Line Requirements 5 1 1 Terminals for the External Wiring Remove the terminal...

Страница 62: ...dard regarding grounding Ground to earth ground resistance 100 or less Figure 5 2 Wiring Connection 5 1 3 Mounting of Cable Gland For each wiring inlet connection of the equipment mount the conduit ap...

Страница 63: ...sand particles or dust to avoid gouging the thread After screwing the cover on the equipment body secure it with the lock screw 5 3 Wiring Power and Ground Terminals Wiring for supplying power to the...

Страница 64: ...a maximum of two contact signals These contact outputs can be used for different applications such as a low alarm or high alarm Do the contact output wiring according to the following requirements DO...

Страница 65: ...use 5 5 2 Wiring Procedure 1 M4 screws are used for the terminal of the converter Each cable should be equipped with the corresponding crimp contact 2 The ON OFF level of this contact input is identi...

Страница 66: ...nt to NEMA 4X IP66 Achieved when the cable entry is completely sealed with a cable gland in the recirculation pressure compensated version Probe this part is inserted in the furnace Selectable of leng...

Страница 67: ...2 ZA8F Flow Setting Unit ZERO IN REF IN SPAN IN ZERO IN REF IN SPAN IN F6 3E ai Flowmeter for Span gas Flowmeter for Span gas Flowmeter for Reference gas Flowmeter for Reference gas Flowmeter for Zero...

Страница 68: ...d wiring connections Set up valves Supply power Confirm converter type setting Select gas to be measured Set output ranges Check current loop Check contact action Calibrate analyzer Set detailed data...

Страница 69: ...continuously supplied to the Oxygen Analyzer if it is used in an application where its operations and suspensions are periodically repeated It is also recommended to flow a span gas instrument air bef...

Страница 70: ...racters and finally return to its original value ENT 1 Used to change the basic panel display to the parameter selection display 2 Used to enter data 3 Advances the operation The three infrared switch...

Страница 71: ...isplay Group E setup display Group F setup display Figure 7 5 Display Configuration Table 7 2 Display Functions Display Function and item to be set Basic panel Displays the oxygen concentration in nor...

Страница 72: ...to change the numeric value to 1 ENT 1100 Touch the key again to move the position of the digit that is flashing to the right one more digit Continuously touch the key and the position of the digit th...

Страница 73: ...lues will change from 0 to 1 to 2 to 3 to 8 to 9 and back to 0 However numbers that are not present in the parameter codes will be skipped Each digit is changed independently Even though a low order d...

Страница 74: ...uence from 0 to 1 to 2 to 3 to 8 to 9 and back to 0 ENT 09 0 Touch the key to move the position of the digit that is flashing to the right ENT 09 8 Touch the key to set the numeric value 8 ENT 09 8 Wh...

Страница 75: ...een entered ENT F01 Touch the key to switch to Group F If an unwanted alphabetic character after F has been entered continuously touch the key to return to the original ENT 0 Touch the ENT key for con...

Страница 76: ...n concentration in a wet gas is already set If the oxygen concentration in a dry gas is to be entered follow the steps below to set 1 one ENT 0 Continuously touch the key and the position of the digit...

Страница 77: ...ter code selection display ENT C11 Set the oxygen concentration at 20 mA Touch the key to move the position of the digit that is flashing to the right ENT C12 Touch the key to enter the numeric value...

Страница 78: ...entered ENT C01 Set the humidity reading at 4 mA Change the parameter code to C13 Touch the key to switch to Group C ENT C01 Touch the key to move the position of the digit that is flashing to the ri...

Страница 79: ...the key is being touched Light characters indicates that the digits are flashing 7 8 Setting Display Item 7 8 1 Oxygen Analyzer Setting Display Item Display items are defined as items displayed on the...

Страница 80: ...the current output values involving the output damping are displayed 7 9 Checking Current Loop The set current can be output as an analog output This enables the checking of wiring between the convert...

Страница 81: ...n ENT A01 Display after the password has been entered ENT G01 Touch the key to switch to Group G ENT G01 Touch the key to move the position of the digit that is flashing to the right one digit ENT G11...

Страница 82: ...y after the password has been entered ENT G01 Touch the key to switch to Group G ENT G01 Touch the key to move the position of the digit that is flashing to the right one digit ENT G11 Touch the key t...

Страница 83: ...are used to agree with the oxygen concentrations in the respective gases There are three types of calibration procedures available 1 Manual calibration conducting zero and span calibrations or either...

Страница 84: ...t CAUTION If instrument air is used for the span gas dehumidify the air to a dew point of 20 C and remove any oil mist or dust Incomplete dehumidifying or unclean air will have an adverse effect on th...

Страница 85: ...the digits flash ENT 000 98 Touch the ENT key again to stop the flashing ENT b01 Touch the ENT key once again to switch to the parameter code selection display Set the span gas concentration by above...

Страница 86: ...Y If you touch the ENT key again SPAn Y appears Y is flashing If you omit the span calibration touch the key and change Y to N If you touch the ENT key the display then jumps to ZEro Y ENT 21 00 Touc...

Страница 87: ...o ZEro Y ENT 0 89 If you touch the ENT key all the digits flash At that point no calibration is conducted yet ENT CALEnd Touch the ENT key again to get the measured value to agree with the zero gas co...

Страница 88: ...en concentration use parameter code C11 to set the minimum oxygen concentration at 4 mA and use parameter code C12 to set the maximum oxygen concentration at 20 mA 2 To provide a humidity output use p...

Страница 89: ...ntration for the maximum 20 mA point at 98 O2 75 1 3 Numbers after the decimal point are rounded up CAUTION When you select logarithmic mode the minimum output remains constant at 0 1 O2 and the param...

Страница 90: ...5 15 25 35 45 55 65 75 Minimum oxygen concentration vol O2 for a minimum current of 4 mA Minimum Maximum setting range of oxygen concentration Maximum oxygen concentration vol O 2 for a maximum curren...

Страница 91: ...kg kg and must be greater than 1 3 times plus 0 187 the mixing ratio set for the minimum Setting example 1 If the setting for a 4 mA current is 0 kg kg you must set the maximum 20 mA point at more th...

Страница 92: ...are initialized the output current settings are by default as shown in Table 8 3 Table 8 3 Output Current Default Values Item Default setting Min oxygen concentration 0 O2 Max oxygen concentration 25...

Страница 93: ...el display 3 During calibration see Chapter 9 Calibration In the manual calibration proceed with the calibration operation with the parameter code B10 to display the span gas confirmation display for...

Страница 94: ...f starting the calibration and the output will be held again at 4 mA after completing the calibration and when the output stabilization time elapses 8 2 3 Output Hold Setting Table 8 5 lists parameter...

Страница 95: ...range for a certain period of time for the preset delay time an alarm will result On the other hand there will be a similar delay each time the measured value returns to the steady state from the alar...

Страница 96: ...oint D08 0 100 H2O Mixing ratio high high alarm setpoint D11 0 1 kg kg Mixing ratio high alarm setpoint D12 0 1 kg kg Mixing ratio low alarm setpoint D3 0 1 kg kg Mixing ratio low low alarm setpoint D...

Страница 97: ...oint 1 kg kg Mixing ratio low alarm setpoint 0 kg kg Mixing ratio low low alarm setpoint 0 kg kg Oxygen concentration alarm hysteresis 0 1 O2 Humidity alarm hysteresis 0 1 H2O Mixing ratio alarm hyste...

Страница 98: ...uring calibration 1 Operated during calibration see Section 8 3 1 Measurement range change E27 0 Not operated when changing ranges 1 Operated when changing ranges Note 3 Warm up E28 0 Not operated dur...

Страница 99: ...mote contact signal Table 8 12 Input Contact Functions Set item Function Calibration gas pressure decrease While a contact signal is on neither semi automatic nor automatic calibrations can be made Me...

Страница 100: ...t contact 1 function E01 0 Invalid 1 Calibration gas pressure decrease 2 Measuring range change 3 Calibration 4 Unburnt gas detection Input contact 2 function E02 0 Invalid 1 Calibration gas pressure...

Страница 101: ...same way as the date has been entered on a 24 hour basis 2 30 p m Displayed on the left means 2 40 p m ENT 14 30 If you touch the ENT key all the digits flash ENT 14 30 Touch the ENT key again to set...

Страница 102: ...tained in exhaust gas per unit quantity of fuel by hydrogen and moisture content in fuel m3 kg or m3 m3 1 in Table 8 16 Gw1 Water vapor contained in exhaust gas per unit quantity of fuel moisture cont...

Страница 103: ...ch hydrocarbon in fuel weight percentage h2 Hydrogen in fuel weight percentage wv Moisture content in fuel weight percentage Hx Same as numeric value of Hl For solid fuel Amount of water vapor in exha...

Страница 104: ...0 026 0 024 0 022 0 020 0 018 0 016 0 014 0 012 0 010 0 008 0 006 0 004 0 002 0 000 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 3...

Страница 105: ...1 6 4 2 25 0 2 0 20 0 53 0 50 5 25 9 2 6 3 9 0 1 8 0 20428 18209 3391 3349 37883 34074 102055 93976 125496 115868 12767 12642 39750 69638 62991 99070 128452 10758 12642 35820 63744 59060 91255 118623...

Страница 106: ...of the atmosphere 0 1000 kg kg 8 6 4 Setting Measurement Gas Temperature and Pressure The analyzer calculates the moisture content contained in exhaust gases and saturated water vapors from the entere...

Страница 107: ...prevents cell breakage during calibration due to condensed water in the pipe Open the solenoid valve for the automatic calibration span gas during purging and after the purge time has elapsed close t...

Страница 108: ...ntually arrive at the positive electrode on the opposite side There the electrons are released and the ions return to the oxygen molecules This reaction is indicated as follows Negative electrode O2 4...

Страница 109: ...Principle of Zirconia Humidity Analyzer A solid electrolyte such as zirconia allows the conduction of oxygen ions at high temperatures Therefore when a zirconia plated element with platinum electrodes...

Страница 110: ...Zirconia element F9 1E ai Figure 9 2 Schematic Diagram of Measurement Principle B For the mixing ratio measurement Assuming that the mixing ratio is rkg kg then r can be calculated from the value of...

Страница 111: ...nitrogen gas N2 The span gas widely used is clean air at a dew point temperature below 20 C and free of oily mist or dust as in instrument air 9 1 4 Compensation The deviation of a measured value fro...

Страница 112: ...zero gas only 21 0 p1 0 51 81 92 ez e1 es 0 C A B Zero correction ratio B A x 100 Correctable range 100 30 Span correction ratio C A x 100 Correctable range 0 18 Cell electromotive force mV Calibrati...

Страница 113: ...uct both zero and span calibrations The following sets forth the required calibration settings 9 2 1 Mode There are three calibration modes available 1 Manual calibration which allows zero and span ca...

Страница 114: ...nt again This time after calibration the measurement gas enters the sensor to set the time until the output returns to normal The output remains held after completing the calibration operation until t...

Страница 115: ...automatic calibration the current calibration will not be conducted 3 If the calibration time conflicts with maintenance service operation calibration will start after completing the maintenance servi...

Страница 116: ...tically the zero gas solenoid valve opens and the zero gas flows ZEro and the currently measured value are displayed alternately ENT CALEnd End If the set calibration time elapses the zero gas solenoi...

Страница 117: ...e required for automatic calibration Automatic calibration starts in accordance with a preset start day and time Calibration is then executed at preset intervals NOTE Before conducting a semi automati...

Страница 118: ...n correction ratio 9 A07 Cell temperature C A60 Zero correction ratio 0 A08 Cold junction temperature C A61 Zero correction ratio 1 A09 Meas gas temperature C A62 Zero correction ratio 2 A10 Amount of...

Страница 119: ...al 10 1 2 Humidity The moisture content contained in air is displayed where the process gas contains water vapors and air refer to Section 9 1 1 earlier in this manual 10 1 3 Mixing Ratio Where the pr...

Страница 120: ...the cell sensor temperature usually indicating 750 C obtainable from the thermoelectromotive force and cold junction temperature described below 10 1 8 Process Gas Temperature A process gas temperatu...

Страница 121: ...0 7 0 8 0 9 mv 117 83 102 56 93 62 87 28 82 36 78 35 74 95 72 01 69 41 O2 1 2 3 4 5 6 7 8 9 mv 67 09 51 82 42 88 36 54 31 62 27 61 24 21 21 27 18 67 O2 10 21 0 30 40 50 60 70 80 90 mv 16 35 0 7 86 14...

Страница 122: ...values obtained during the calibration are displayed 10 1 17 Robustness of a Cell The robustness of a cell is an index for predicting the remaining life of a sensor and is expressed as one of four ti...

Страница 123: ...the setup period of time is changed the current minimum oxygen concentration will be displayed for more details see Section 8 6 2 earlier in this manual 10 1 22 Average Oxygen Concentration Humidity a...

Страница 124: ...revision number of the software installed is displayed 10 2 Operational Data Initialization Individual set data initialization enables you to return to the default values set at the time of delivery T...

Страница 125: ...ou enter the password and then touch the ENT key all the digits flash ENT USr Go Touch the ENT key again to display USr Go ENT USr Go Touch the ENT key once more All the digits then flash for two to t...

Страница 126: ...ubleshoot the problem by consulting the Troubleshooting chapter later in this manual When there is no error the Basic panel display will appear Table 10 6 Resetting Switch operation Display Brief Desc...

Страница 127: ...correction ratio 5 A15 Cold junction voltage mV A66 Zero correction ratio 6 A16 Output current mA A67 Zero correction ratio 7 A20 Cell response time Seconds A68 Zero correction ratio 8 A21 Cell inter...

Страница 128: ...al calibration B04 Hold Output stabilization time 0 minutes 0 seconds to 60 minutes 59 seconds MM SS 10 minutes 0 seconds B05 Calibration time 0 minutes 0 seconds to 60 minutes 59 seconds MM SS 10 min...

Страница 129: ...put damping constant 0 to 255 Seconds 0 second C31 Set value during warm up 2 4 to 21 6 mA 4 mA C32 Set value during maintenance 2 4 to 21 6 mA 4 mA C33 Set value during calibration 2 4 to 21 6 mA 4 m...

Страница 130: ...E10 Selecting action of output contact 1 0 Action with closed contact normally energized Action with closed contact 1 Action with open contact normally de energized E20 Output contact 1 error 0 No ac...

Страница 131: ...hours Hours 24 hours F15 Purging time 0 to 60 minutes Minutes 0 minute F20 Amount of water vapor in exhaust gas 0 to 5 m3 kg m3 1 0 m3 kg m3 F21 Theoretical amount of air 0 to 20 m3 kg m3 1 0 m3 kg m3...

Страница 132: ...oltage mV A66 Zero correction ratio 6 A16 Output current mA A67 Zero correction ratio 7 A20 Cell response time Seconds A68 Zero correction ratio 8 A21 Cell internal resistance A69 Zero correction rati...

Страница 133: ...ncentration 4 5 to 100 O2 21 O2 B03 Calibration mode 0 Manual calibration Manual calibration 1 Semi automatic and manual calibration 2 Automatic semi automatic and manual calibration B04 Hold Output s...

Страница 134: ...tion 2 Set value remains held C07 Output during error occurrence 0 Not held Held output at a preset value 1 Held output just before abnormal state occurs 2 Set value remains held C11 Min oxygen concen...

Страница 135: ...tion alarm hysteresis 0 to 9 9 O2 0 1 O2 D31 Humidity alarm hysteresis 0 to 9 9 H2O 0 1 H2O D32 Mixing ratio alarm hysteresis 0 to 0 1 kg kg 0 001 kg kg D33 Delayed alarm action 0 to 255 Seconds 3 sec...

Страница 136: ...osed contact 1 Action with open contact E10 Selecting action of output contact 1 0 Action with closed contact normally energized Action with closed contact 1 Action with open contact normally de energ...

Страница 137: ...ich max and min values are monitored 1 to 255 hours Hours 24 hours F13 Process gas temperature 0 to 3000 C 300 C F14 Process gas pressure 0 to 300 kPa abs 101 33 kPa abs F20 F21 F22 F23 F30 Initializi...

Страница 138: ...ols the span gas air flow Zero gas valve regulator Tube connection Cover screws six pcs Pump Supplies span gas air Gas cylinder Contains the zero gas A gas of 7 Nl is charged to 700 kPa Clamp Clamps t...

Страница 139: ...0 5 3 Calibration Gas Flow Preparation before calibration 1 To operate the standard gas unit place it on a nearly horizontal surface in order to allow the flow check to indicate the precise flow rate...

Страница 140: ...t to terminate the calibration in progress because of a shortage of gas in the cylinder Each gas cylinder is operable for nine minutes or more provided the gas is discharged at the specified rate Ther...

Страница 141: ...the measured oxygen concentration has stabilized touch the ENT key then all the digits will flash Touch the ENT key again to display ZEro Y 3 Close the span gas flow setting valve to stop the span gas...

Страница 142: ...or closing the terminal box first remove dust sand or the like from the terminal box cover 11 1 Inspection and Maintenance of the Detector 11 1 1 Cleaning the Calibration Gas Tube The calibration gas...

Страница 143: ...rroded or discolored area in the metal O ring groove in which the contact is embedded sand the groove with sandpaper or use a metal brush and then sand further with a higher grade of sandpaper No 1500...

Страница 144: ...ng comes in contact with the probe s O ring contact surface properly align the U shaped pipe insertion holes with the bolt openings 3 Attach the U shaped pipe to its support then fully insert the U sh...

Страница 145: ...ructions given above 11 1 3 Replacement of the Heater Assembly This section describes the replacement procedure for the heater assembly The sensor or ceramic heater furnace core internal structure is...

Страница 146: ...ction and Maintenance 11 5 IM 11M12A01 04E 11th Edition Jul 19 2017 00 A A View A A 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 14 13 17 18 19 20 21 22 23 24 24 24 F11 4E ai Figure 11 4 Exploded View of...

Страница 147: ...nector 13 in the following procedure First remove the screw 25 and then remove the plate 17 and two caps 20 If the O ring 22 remains in the hole pull them out from the back Pass the heater and thermoc...

Страница 148: ...the detector 2 If unavoidably impossible to supply the power and removing the detector keep on following air at 600 ml min into the calibration gas pipe Restarting Operation When restarting operation...

Страница 149: ...E ai Figure 11 7 Locations of Connectors Figure 11 8 Location of Fuse 7 To restore the electronics reverse the above removal procedures When restoring the electronics do not get leadwire jammed in any...

Страница 150: ...float easy to see is attached The end of the pin holding down the back plate must be on the bracket side 3 Replace piping and fix M6 bolts between brackets 1 1 When disassembling and reassembling mark...

Страница 151: ...Blank Page...

Страница 152: ...is set up for Output contact setup for that contact refer to Section 8 4 Output Contact Setup 4 Changes the analog output status to the one set in Output hold setting refer to Section 8 2 Output Hold...

Страница 153: ...be to gain access to the two connectors four connectors for the optional automatic calibration unit as indicated in Figure 12 2 Check these connectors are properly connected 6 If Error 1 still occurs...

Страница 154: ...le is normal the electronics may be defective Consult your local Yokogawa service or sales representative n Error 3 A D Converter Failure Error 4 Writing to memory Failure A D Converter Failure It is...

Страница 155: ...enerated when the cell sensor voltage is not stabilized even after the calibration time is up in automatic and semi automatic calibration Alarm 10 Cold junction temperature alarm Occurs when an equipm...

Страница 156: ...displayed cell voltage is very different from the theoretical value at each oxygen concentration Confirm the theoretical values of the cell voltage in Table 12 3 Although it cannot be generally specif...

Страница 157: ...re and taking measure in Section 12 2 2 2 Alarm 6 Zero Calibration Coefficient Alarm l Alarm 8 EMF Stabilization Time Over This alarm is generated if the sensor cell voltage has not stabilized even af...

Страница 158: ...indicated in Figure 12 5 The heater assembly is normal if the resistance is lower than about 90 If the resistance is higher than that value the heater assembly may be defective In this case replace t...

Страница 159: ...easures When Measured Value Shows an Error The causes that the measured value shows an abnormal value is not always due to instrument failures There are rather many cases where the causes are those th...

Страница 160: ...data display should also be used for deciding sensor quality as references 12 3 2 Measured Value Lower Higher for Humidity Analyzer Than True Value Causes and Measures 1 The measuring gas pressure bec...

Страница 161: ...n the sample gas may be getting into the sensor If the combustible components show signs of dust the abnormality may be improved by mounting a dust filter K9471UA 4 There may be a crack in the sensor...

Страница 162: ...7109YC K9470BK E7042DW K9470ZF K9470ZG E7042BR K9470BM K9473AN ZR01A01 01 ZR01A01 02 ZR01A01 05 ZR01A01 10 E7042BS K9470BJ E7042AY K9470ZK K9470ZL 1 4 4 1 1 1 1 1 1 1 1 1 Dust Filter Option Bolt M5x12...

Страница 163: ...CMPL 11M12A01 04E 9th Edition Feb 2016 YK Hood for ZR202G ZR202G_F ai 1 Item Part No Qty Description 1 K9472UF 1 Hood...

Страница 164: ...Subject to change without notice Model ZR20H Automatic Calibration Unit for Integrated type Zirconia Oxygen Humidity Analyzer ZR202G CMPL 11M12A01 12E 1st Edition Feb 2001 YK 4th Edition Feb 2016 YK S...

Страница 165: ......

Страница 166: ...ZO21S Zirconia Oxygen Analyzer High Temperature Humidity Analyzer Standard Gas Unit CMPL 11M3D1 01E 1st Edition Jan 2000 YK 4th Edition Mar 2011 YK 1 2 3 Item Part No Qty Description 1 1 Pump see Tab...

Страница 167: ......

Страница 168: ...e Part No G7013XF or G7014XF Standard Specifications Changed descriptions partly and drawing 5 3 Wiring Power and Ground Terminals Added description in Figure 5 5 5 3 2 Wiring for Ground Terminals Add...

Страница 169: ...bly Heater Assembly added to CMPL 11M12A01 04E CMPL 11M12A01 04E Model ZR20H changed Mar 2001 2nd Edition Revised section 1 1 3 Explanation changed in System 3 example 1 2 1 ZR20H added to list of Equ...

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