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<3.Construction and Function>

3-16

IM 11R02A01-02E

5th Edition : Dec. 28, 2016-00

3.6 Density Meter

The GD400G is used for gas density meter.
Regarding GD400G Gas density meter, refer to attached Instruction Manual IM 11T3B1-01E.

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Summary of Contents for CM6G

Page 1: ...User s Manual Model CM6G Gas Calorimeter IM 11R02A01 02E IM 11R02A01 02E 6th Edition ...

Page 2: ...ubject to change without prior notice The contents of this manual shall not be reproduced or copied in part or in whole without permission This manual explains the functions contained in this product but does not warrant that they are suitable for 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 exp...

Page 3: ... out in this manual in order to avoid the risks for the human body and health including risk of injury electric shock or fatalities or the damages to instruments The manual describes what special care the operator must take to avoid such risks CAUTION This symbol indicates that the operator must refer to the instructions in this manual in order to prevent the operator or instrument from being inju...

Page 4: ... of warranty stated in instruction manual Failure caused by usage of software hardware or auxiliary equipment which Yokogawa Electric did not supply Failure due to improper or insufficient maintenance by user Failure due to modification misuse or outside of specifications operation which Yokogawa does not authorize Failure or damage caused by relocation of the instrument Failure due to power suppl...

Page 5: ...Blank Page ...

Page 6: ...gulating System 3 1 3 2 Gas Pressure Control Section 3 1 3 3 Differential Pressure Detection Part 3 4 3 4 Calorie Detector 3 5 3 4 1 Burner Unit 3 8 3 4 2 High Low Alarm Action 3 9 3 4 3 Ignition 3 9 3 5 Computing Station 3 10 3 5 1 Display 3 10 3 5 2 Contents of the Data Display 3 13 3 5 3 Correcting Computation 3 14 3 6 Density Meter 3 16 4 Preparation of Operation 4 1 4 1 Sampling Section Outsi...

Page 7: ...l Use 7 1 7 1 3 Take Out the Drain from the Air Set 7 1 7 2 Regular Check 7 2 7 2 1 Cleaning of the Orifice Plate and Replacement of O ring 7 2 7 2 2 Fulflo Filter For Steel Mill Use 7 3 7 2 3 Line Filter For Town Gas Use 7 3 7 2 4 Washing Bubbler or Pressure Regulating Pot 7 4 7 2 5 Dehumidifier For Steel Mill Use 7 4 7 2 6 Density Meter 7 4 7 3 Check at the Regular Service 7 5 7 3 1 Check the Bu...

Page 8: ...rmity Standard Class A 한국 전자파적합성 기준 A급 기기 업무용 방송통신기자재 이 기기는 업무용 A급 전자파적합기기로서 판매자 또는 사용자는 이 점을 주의하시기 바라며 가정외의 지역에서 사용하는 것을 목적으로 합니다 n Town Gas Application Measurement Object Measurement and control of WI or the calorific value of fuel gas for town gas Measuring Range 3 to 62 MJ Nm3 Sample Conditions Dust 5 mg Nm3 or less Temperature 50 C or less Humidity dew point of 0 C or less Pressure 1 10 to 20...

Page 9: ... When you perform a low calorific value measurement the frequency variation should be within 0 4 If the frequency variation exceeds 0 4 especially for exporting overseas consult with Yokogawa n Steel Mill Application Measurement Object Measurement and control of WI or the calorific value of fuel gas for a steel mill Measuring range 3 to 62 MJ Nm3 Sample Conditions Dust 100 mg Nm3 or less Temperatu...

Page 10: ...ith Yokogawa Panel Construction For indoor installation rack panel Paint Color Munsell 3 2PB7 4 1 2 inside and outside Ambient Temperature 0 to 40 C little temperature variation particularly no rapid change 1 2 Model and Suffix Codes n CM6G Gas Calorimeter Model Suffix Code Option Code Description CM6G Gas calorimeter S6 Always S6 Gas Pressure 1 2 3 4 5 6 7 8 Gas pressure 10 to 20 kPa for town gas...

Page 11: ...ach Application Application Measurement System specification Suffix code Town Gas WI Without density meter Gas pressure 10 to 20 kPa Standard Gas pressure 10 kPa or under With pump Gas pressure 100 to 600 kPa With pressure reducing value S6200 S6300 S6400 Calorific value MJ Nm3 With density meter Gas pressure 10 to 20 kPa Quake proof Gas pressure 10 to 20 kPa Standard Gas pressure 10 kPa or under ...

Page 12: ...stant differential pressure In the calorific value measurement if the density of a sample gas changes a flow rate error proportional to the reciprocal of the square root of the density of the sample gas 1 ρg will be generated which directly affects the calorific value Therefore density compensation is required using a density meter For the WI measurement a density meter is not required since the W...

Page 13: ...0 30 Front Back View X E D B A C Density meter converter Density meter detector Flowmeter for density meter Computing station Calorie detector 4 Ø14 holes X Mark Name Connection A SAMPLE GAS IN Rc1 4 B SAMPLE GAS OUT OR VENT Rc1 2 C INST AIR IN Rc1 4 D STD GAS IN Rc1 4 E STD GAS IN Rc1 4 Maintenance Space CM6G S6 10 with density meter only CM6G S6200 S6210 S6300 S6310 S6400 S6410 Unit mm Dim 6210 ...

Page 14: ...M6G S6110 Unit mm 850 1000 0 700 800 500 1000 100 500 1500 100 300 700 100 600 Approx 1670 90 90 1000 100 800 100 700 30 640 30 400 View X D Ø120 hole A B C2 C1 4 Ø15 holes Wiring to switch box should be made through the bottom Computing station Density meter converter Flowmeter for density meter Calorie detector Dim 6110 ai CM6G C A M PF FAIL ALM YOKOGAWA SHIFT TREND 3 Y2 Y1 X3 X1 500 0 90 00 35 ...

Page 15: ...nd flowmeter CM6G S6500 S6510 S6600 S6610 S6700 S6710 S6800 S6810 Unit mm 0 200 300 750 1500 1650 1900 100 0 500 600 700 800 350 800 800 500 900 260 540 500 900 700 100 100 100 740 30 30 Approx 1160 Approx 70 60 100 150 800 40 60 80 80 Approx 1970 View X Computing station Flowmeter for density meter Density meter converter H G F E D B A 4 Φ14 holes Calorie detector C Density meter detector Pump CM...

Page 16: ...t mm H7800HA ai l Fulflo Filter Part no G7043XJ Approx 350 108 Rc1 2 Rc1 2 Unit mm l Pressure Reducing Valve Part no G7008XF T A K A O H I H 閉開 C Approx 119 Approx 120 Approx 38 Approx 62 Rc1 4 F2 8 ai Outlet Handle for pressure control Handle for stop valve Secondary pressure gauge 0 3MPaG Stop valve Outlet Approx 166 Approx 81 Safety valve Nut Inlet W22 Left hand thread Daiflon packing Unit mm ...

Page 17: ...ormula of the increased temperature is as follows θ 1 1 Cps Fs K Fg where K Calorific value of the sample gas Fg Flow rate of the sample gas Fs Air diluted combustion exhaust gas flow rate Cps Constant pressure heat ratio of air diluted combustion exhaust gas Air flow rate Fa is big enough compared with the sample gas flow rate Fg Fa Fg 50 200 1 and Cps Cpa Fs Fa Fg Fa 1 g therefore the formula 1 ...

Page 18: ... the following formula θ C K 1 4 ρg 1 ρa Pa Pg C Cpa 1 g 1 Ka Kg According to formula 1 4 if Pa Pg are constant temperature difference θ is in proportion to WI K ρg or calorific value K Thus we can measure continuously WI after θ measurement and the calorific value after the measurement and calculation of the density ...

Page 19: ...Blank Page ...

Page 20: ...il it completes or right after the flame extinction sample gas mixed with the air will be released from the top of the equipment into the installation space of the equipment Use the equipment in a well ventilated environment equipped with a ventilation system 2 2 External piping Refer to the drawing Figure 1 4 on the connections on the panel The principal points to be taken care are as follows Ben...

Page 21: ...ling Point Pipe SUS 15A or greater House Requirements Temperature 0 to 40 C Not rapid temperature change allowed Adequate ventilation and lighting provided H Water sealing greater than pressure at sampling point is required Note denotes that piping should be installed at an angle that allows drain to flow downstream and smoothly F4 1 ai Pipe SUS 15A Instrument Air Pressure 0 3 0 7MPa Flow rate App...

Page 22: ...U bolt like bolts Provide 1 2 inch gate valves at the sample gas inlet and outlet Take an ample space under filters so that checking and replacing of elements can be held easily For drain exhaust pipes use flexible pipes F4 3 ai Gate valve 1 2 inch Union 1 2 inch Rc1 2 Rc1 4 Bush Drain Drain In Out U bolt Flexible tube Fulflo filter Figure 2 3 Example Fulflo Filters with the Piping ...

Page 23: ...terminal block of the switch box inside the panel Use M4 terminal screws Use appropriate crimp terminals at the wire ends MAIN PANEL DENSITY METER CONVERTER COMPUTING STATION SWITCH BOX 150 350 810 200 EARTH TERMINAL CALORIE DETECTOR Figure 2 4 Switch Box and Earth SWITCH NFB FUSE POWER TERMINAL SIGNAL TERMINAL Figure 2 5 Inside a Switch Box ...

Page 24: ... twisted pair cable with a cross section area of 0 5 mm2 or more or a cable that is the equivalent or better and install it separately from the power supply and alarm output cables and sources of electromagnetic interference A shielded cable must be connected to the frame ground FG beside each of the output terminals The load resistance from the perspective of this equipment must be 750 Ω or less ...

Page 25: ... 2 Installation Piping Wiring 2 6 IM 11R02A01 02E 5th Edition Dec 28 2016 00 ...

Page 26: ...f calorific value Not required for WI measurement Differential pressure transmitter Detects differential pressure of gas and air before and after orifice and converts it to an electrical signal Orifice assembly Gas and air orifices housed in the constant temperature chamber Solenoid valve Serves as a safety valve to shut off the sample gas flow Figure 3 1 Components and Functions of Model CM6G Gas...

Page 27: ...lowmeter 5 3 The pressure of the standard gas is reduced by the pressure reducing valve 4 1 to about 6 kPa and is supplied by the flowmeter 4 2 with the flow rate about 10 l min Standard Flow Sheet 1 Town Gas Application Standard Type V 3 V 2 V 1 V 4 3 1 V 5 V 12 1 6 7 2 7 1 6 2 6 1 4 1 INST AIR IN 0 3 0 7MPa 50Nl min SAMPLE GAS IN STD GAS IN ZERO SAMPLE GAS OUT OR VENT V 6 V 11 V 7 V 13 V 14 V 9 ...

Page 28: ...ansmitter gas 1 6 Computing station 2 1 Air set 2 2 Pressure reducing valve 2 3 Pressure gauge 2 4 Preheating chamber 2 5 One touch coupler No Item 3 1 Line filter 3 2 Pressure gauge 3 3 Flowmeter 3 4 Pressure reducing valve 3 5 Pressure gauge 3 6 Pressure reducing valve 4 1 Pressure reducing valve 5 1 Density meter detector 5 2 Density meter converter 5 3 Flowmeter for density meter No Item 6 1 Z...

Page 29: ...0 S6800 S6810 SAMPLE GAS OUT C 9 1 10 1 10 2 9 2 7 1 V 2 SAMPLE GAS OUT B V 7 V 1 V 12 WATER IN DRAIN 2 5 V 3 SAMPLE GAS VENT V 16 V 15 V 14 V 10 V 9 V 8 V 6 4 2 4 1 3 7 3 6 3 5 3 4 2 4 2 3 2 1 2 2 1 5 1 4 1 3 1 2 1 1 INST AIR IN DRAIN OUT WATER IN P P 1 6 V 5 V 4 V 13 6 2 11 1 3 1 SAMPLE GAS IN STD GAS IN STD GAS IN 7 2 H G E F A D D 3 2 V 11 3 3 3 8 3 9 5 3 5 2 5 1 FLOW 6810 ai SPAN ZERO 2 Figur...

Page 30: ... thermostat down 15 16 17 18 19 Thermistor check Thermistor control Temperature check terminal Neon lamp Terminal 1 5 6 2 17 13 14 11 12 7 10 8 15 16 3 9 4 19 18 F0506 ai Figure 3 6 Orifice Assembly 3 4 Calorie Detector The calorie detector consists of a burner unit which detects the temperature difference before and after the sample gas is burned a detected signal amplification and ignition and s...

Page 31: ...c 28 2016 00 BURNER UNIT IGNITION TRANS ASSEMBLY PRINTED CIRCUIT BOARD ASSEMBLY Figure 3 7 Calorie Detector 0 POWER Lamp IGNIT Lamp MEAS Lamp ALARM Lamp START Switch POWER Switch METER Switch SPAN Volume LOW AL Volume SAFE EV Switch Figure 3 8 Front Panel Assembly ...

Page 32: ...wever if you leave the switch at RELEASE no alarm signal is given even when the burner flame is off When the switch shows RELEASE START switch does not start the operation METER switch The indication of the indicator and the X5 display 1 of the computing station switches between P MEAS and LOW AL The switching does not affect the final output and sequence action SPAN volume With this span volume y...

Page 33: ...red by the tertiary air Finally the gas is exhausted out from the top of the calorie detector The increased temperature is measured with the difference of the electromotive force between the cold junction point located at the air inlet and the hot junction point inside the mixed diluted exhaust gas The heating wire wound the burner tip is used for both ignition and preheating when lower calorie ga...

Page 34: ...pendently within the range from approximately 2 to 20 seconds depending on the measurement range and gas composition If the amplified thermocouple output exceeds the lower alarm limit the burner is determined to be ignited and the ignition action is stopped even if it is not completed If the burner is not ignited even after the ignition voltage is applied five times the ignition action is stopped ...

Page 35: ...c value green X1 MAX range of NON CORR WI value yellow X3 MAX range of gas differential pressure pink Y1 MAX range of Calorific value green Y2 MAX range of WI light blue Y1 green Calorific value Y2 light blue WI X1 yellow NON CORR WI X3 pink differential gas pressure Pa Trend data indicator 1 to 4 X3 Gas differential pressure Pa pink X1 NON CORR WI yellow ALARM lamp FAIL lamp Unused Y2 WI value li...

Page 36: ...put status and for setting X1 X2 and X3 Push key 1 Measuring display CM6G C A M PF FAIL ALM YOKOGAWA SHIFT I O DATA X8 X7 X6 X5 X4 X3 X2 X1 25 0 25 0 25 0 18 00 0 500 500 0 500 0 90 00 Y6 Y5 Y4 Y3 Y2 Y1 0 0 0 0 0 0 6 3 35 00 18 00 DI10 DI09 DI08 DI07 DI06 DI05 DI04 DI03 DI02 DI01 DO16 DO15 DO14 DO13 DO12 DO11 DO10 DO09 DO08 DO07 DO06 DO05 DO04 DO03 DO02 DO01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

Page 37: ...P07 P06 P05 P04 P03 P02 P01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 00 7 00 100 0 7 00 100 0 0 00 2 500 60 00 CM6G C A M PF FAIL ALM YOKOGAWA SHIFT TREND 3 Y2 Y1 X3 X1 500 0 90 00 35 00 18 00 100 00 1000 0 23 02 37 67 0 0 0 00 23 02 14 65 O C By using and key change the parameter value which becomes larger characters In setting other parameters 4 Input...

Page 38: ...d Output YN Y1 cal MJ Nm3 Calorific value 1 Y2 WI Wobbe index 1 Y3 Option Option 1 Y4 BIAS CHECK Preheating check output 0 0 to 100 0 Y5 Y6 Unused Variable data PN P01 ZERO Zero adjustment 0 0 to 100 0 P02 SPAN Span adjustment 1 P03 BIAS Preheating adjustment 0 0 to 100 0 P04 A CORR RATE Air differential pressure signal computing correction rate 0 0 to 200 0 P05 A TIME sec Time constant of air dif...

Page 39: ...xtend to SPAN then being range suppressed and shall be extended again to SPAN Further as to generate the output of the calorific signal the following density correction is necessary K C WI 3 2 ρg Also it is necessary for each signal to operate with a timing matched with the signal of the calorific detector and for this reason dynamic characteristic function is provided A CORR RATE A TIME G CORR RA...

Page 40: ...IME Air differential pressure signal Extraction Figure 3 17 Computing Block Diagram Preheating Circuit Does Not Exist G CORR RATE G TIME A CORR RATE A TIME ZERO F0522 ai SPAN BIAS Gas differential pressure signal Root Extraction Root Extraction Calorie detector signal Calorie signal WI signal Remarks is variable constant Density signal Pre heat temperature check signal Correction of density DYNAMI...

Page 41: ...ction and Function 3 16 IM 11R02A01 02E 5th Edition Dec 28 2016 00 3 6 Density Meter The GD400G is used for gas density meter Regarding GD400G Gas density meter refer to attached Instruction Manual IM 11T3B1 01E ...

Page 42: ...Valve No Open or Close V 1 V 2 V 3 V 4 V 5 V 6 V 7 V 8 Close Open Open Close Open Close Close V 9 V 10 V 11 V 12 V 13 V 14 V 15 V 15 Close Close Open Open Close Open Remarks Valves with the mark are the flow adjustment use and preliminary adjusted They don t need to be adjusted Table 4 2 For steel mill use Valve No Open or Close Valve No Open or Close V 1 V 2 V 3 V 4 V 5 V 6 V 7 V 8 Close Close Cl...

Page 43: ...sition POWER SAFE EV METER OFF SET P MEAS 2 Turn on the switches of the following components in the switch box Calorie Detector Orifice Assembly NFB Pre heater NFB Computing station Density meter With density compensation Dehumidifier For steel mill use 3 When you turn on the POWER switch on the front of the calorie detector both POWER and ALARM lamps are lit to show an alarm status 4 When the pow...

Page 44: ...fferential pressure transmitter from the calorie detector To operate the differential pressure transmitter turn on the calorie detector switch of the switch box and the POWER switch on the front panel of the calorie detector After the zero point adjustment is completed do not turn off the transmitter immediately If the power is turned off within 30 seconds after the completion of the adjustment th...

Page 45: ...mill use 1 Close V 4 connect the one touch coupler 2 5 and open V 5 and V 8 2 Set the switch SAFE EV of the calorie detector to RELEASE The solenoid valve of the gas line opens and the alarm is released 3 Adjust the flow rate of the flowmeter 4 2 to about 10 l min by using the pressure reducing valve 4 1 The pressure gauge 3 1 indicates approx 6 kPa 4 When the density meter is attached adjust the ...

Page 46: ... increased by the pump open V 1 V 4 respectively 2 When the pump is attached turn on the power supply switch of the pump at this time 3 Use V 3 for standard pressure or use V 2 and V 3 for the pressure raised by pump to make the pressure gauge indicate approx 6kPa n Start Operation of the Calorie Detector Confirm the switch SAFE EV is set at SET then push the switch START n Differential Pressure R...

Page 47: ... supply is suspended and the burner is extinguished the lamp MEAS of the calorie detector is lit off and the lamp ALARM on 3 Switch the calorie detector from SAFE EV to RELEASE 4 To stop the flow of a town gas close V 6 and open V 7 V 8 To stop the flow of steel mill gas close V 4 and open V 5 V 8 The sample gas in the gas line should be blown off by the air then the subtle sample gas will be emit...

Page 48: ...of the flowmeter 3 3 by the pressure reducing valve 4 1 to become about 10 l min In case of only indication check the adjustment to approximately 2 to 3 l min is permissible 5 Push the START switch of the calorie detector to ignite 6 Set the computing station to Input Output display screen If the indication of X2 A PRESS and X3 G PRESS is not 500 adjust each with the pressure reducing valve 3 6 an...

Page 49: ...oth the gas differential pressure and the flow rate to the density meter 11 Do not forget to close the root valve of the calibration gas cylinder 6 2 Span Adjustment of the Calorie Detector This adjustment is not necessary for the usual calibration This adjustment is held when replacement such as the thermocouple of the burner unit takes place This adjustment is different depending upon if the pre...

Page 50: ...lue is stabilized and then record the value Ec mV 8 Set the computing station to Input Output status display and adjust the SPAN potentiometer of the calorie detector so that X1 will show the specified value x WI is to be used to find out the value of x For example WI value of the upper range 5 00 WI WI value of the span gad 4 90 WI Eo 4 mV Ec 19 mV x 100 98 4 19 4 x 4 19 5 00 4 9 x Ec Eo Eo 100 E...

Page 51: ...Zero and Span Adjustment 1 Introduce the zero gas and ignite 2 Set the computing station to Input Output status display Adjust with the P01 ZERO of the operator to be the Y2 WI or Y1 MJ Nm3 WI value or the calorific value of the calibration gas 3 Change from zero gas to span gas when if let the span gas start flowing before the zero gas valve is not completely closed the burner is not extinguished...

Page 52: ... the instruction on the adjustment 7 1 2 Take Out the Water Out of the Drain Pot Pump for Steel Mill Use If the drain is accumulated open V 7 and take it out After the drain is taken out be sure to close the valve 7 1 3 Take Out the Drain from the Air Set Turn the knob at the bottom of the air set and take out the drain After the drain is taken out be sure to turn the knob to close tightly ADJUSTM...

Page 53: ...s shown on Figure 10 2 5 Loosen the set screw by using the hexagonal wrench attached to take out the orifice plate together with the cover plate The following is part number of the orifice plate Orifice hole Ø Part number Orifice hole Ø Part number 0 35 G7025XJ 0 80 G7034XJ 0 40 G7026XJ 0 85 G7035XJ 0 45 G7027XJ 0 90 G7036XJ 0 50 G7028XJ 1 0 G7037XJ 0 55 G7029XJ 1 1 G7038XJ 0 60 G7030XJ 1 2 G7039X...

Page 54: ...Turn the nut and remove the cover 2 Pull out the element and clean or replace 3 Assembly is carried out in contrary order to above 4 When the packing or gasket is worn out replace it We provide a packet which contains 4 pieces of packing and a gasket G7086XL F0703 ai PACKING GASKET ELEMENT PACKING NUT COVER CASE TENTION BOLT Figure 7 3 Fulflo Filter 7 2 3 Line Filter For Town Gas Use Disassemble 3...

Page 55: ... and Pressure Regulating Pot 7 2 5 Dehumidifier For Steel Mill Use The washing bubbler cannot eliminate all of the naphthalene if it is contained too much in a sample gas The naphthalene may be crystallized and clog the piping inside of dehumidifier In such a case stop the sample gas flow remove the 4 pipes at the top of the dehumidifier and introduce hot water of 70 C to 80 C The naphthalene is d...

Page 56: ... there is any blockade or leakage is the air line the flame becomes like the shape as shown in Figure 7 7 D F11 8 ai OUTER FLAME INNER FLAME A B C D Figure 7 7 Burner Flames Check the flames of the burner according to the following procedures As to the adjustment of the squeezing screw of the primary air and the secondary air and the cleaning of the air distribution part ask to our service personn...

Page 57: ...1574MR Detector for Cold Junction Exhaust Pipe Detector for Hot Junction Primary Air Throttle Screw Connector Ignition Trans Assembly Constant Voltage Power Supply Transformer Figure 7 8 Flame Checking 7 3 2 Zero Adjustment of the Differential Pressure Transmitter Adjust according to the procedure described in paragraph 4 6 7 3 3 Others If necessary conduct each regular check mentioned in paragrap...

Page 58: ... a cause of the trouble If the pressure reducing valve is attached and the indication of the pressure gauge 3 2 does not change even after the operation of the pressure reducing valve 3 8 the pressure reducing valve may have a defect 4 When introducing the check gas confirm the indication of the flowmeter 3 3 is about 10 l min If you need to check only an indication adjust the flowmeter to approxi...

Page 59: ...according to the paragraph 7 2 2 7 Check the water level of the pressure regulating pot If necessary supply water or clean 8 Check if the bubbles are coming out 3 to 6 pcs sec from the pipe A of the pressure regulating pot When V 11 V 12 fail to adjust clean the piping inside the dehumidifier as according to the paragraph 7 2 5 But no bubbles are coming out when you use low calorie gas 9 When the ...

Page 60: ...re is disconnected in thermocouple 2 Measure 3 and 4 on the terminal board of the calorie detector The normal voltage output when preheating circuit does not exist is 1 to 5 V almost in proportion to 0 to WI value namely the highest value in the measurement range If preheating circuit exist approx 1 8 to 5 V is almost in proportion to 0 to WI value namely the highest value in the measurement range...

Page 61: ...TPUT DC 1 5V DC 1 5V DC 1 5V DC 4 20mA DC 1 5V DC 1 5V 250 Ω DC 0 20mA DIFFERENTIAL PRESSURE TRANSMITTER GAS DIFFERENTIAL PRESSURE TRANSMITTER AIR DENSITY METER CALORIE DETECTOR COMPUTING STATION CALORIFIC OUTPUT OPTIONAL OUTPUT Figure 8 1 Signal Circuit Diagram 1 2 3 4 5 6 7 8 9 10 1112131415161718 19 20 212223242526 27 Figure 8 2 Terminal Block of the Calorie Detector ...

Page 62: ...tput signal is cut off But in this case the computing inside the station keeps working Change to Alarm display and examine the cause of the alarm 2 Lighting of the fail lamp Red color The lighting of the fail lamp means an occurrence of an abnormal trouble produced inside the instrument When a fail occurs the analog output and status output reserve the value just before the occurrence of the failu...

Page 63: ...Blank Page ...

Page 64: ...3 1 Section 3 3 In Figure 3 4 drawings of Computing Station change to Model YS1700 Chapter 5 In Figure 5 1 and 5 5 drawings of Computing Station change to Model YS1700 Subsection 5 5 1 Complete revision Application of Model YS1700 operation Subsection 5 5 2 In table 5 3 items X6 to 8 Y5 to 6 and P08 to 30 are added Subsection 5 5 3 Equation 5 2 and 5 3 are revised Figure numbers of 5 17 and 5 18 a...

Page 65: ... 28 2016 00 Section 9 5 Item 1 is revised 2 is deleted 3 is partially changed and printed as item 2 Chapter 10 Subsection 10 1 1 In item 8 part No is corrected to Y9107XB Aug 2007 2nd Edition All over revised Jun 2009 1st Edition Newly published ...

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