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Instrument installation

Azbil Corporation

2-16

Model MCB10A

Step

Description

Figure

Pass bolts through the remaining

two flange holes represented by

black circles in Steps 1 and 2, with a

centering fixture put on, and lightly

fix them.

•

Check for misalignment.

•

Check the gaskets for flushness.

•

On completion of these checks,

pass the remaining bolts through

the other flange holes and tighten

all the bolts evenly with the

tightening torque on page 2-9.

Содержание MCB10A

Страница 1: ...Electromagnetic Flowmeter for Water Measurement Model MCB10A User s Manual CM2 MCB100 2001 3rd edition...

Страница 2: ...aims the implied warranties of merchant ability and fitness for a particular purpose and makes no express war ranties except as may be stated in its written agreement with and for its customer In no e...

Страница 3: ...r purchasing our electromagnetic flowmeter The model MCB is a flowmeter dedicated to water flow measurement and was developed applying the basic principle of electromagnetic flow measurement to be an...

Страница 4: ...regarding the specifications contact the nearest Azbil Corporation office or Azbil Corporation representative service offices When making an inquiry be sure to provide the MODEL NO and PRODUCT NO Stor...

Страница 5: ...mbols are used in this manual to alert you to possible hazards WARNING Denotes a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Failure to observe...

Страница 6: ...urrent power lines motors or transformers to prevent damage from electromagnetic induction which can cause equipment malfunction or output errors CAUTION Do not install the electromagnetic flowmeter i...

Страница 7: ...O ring remains in the groove to insure an air tight seal when the unit is reassembled CAUTION Before installing the detector make sure any foreign matter is flushed from the interior passage of the de...

Страница 8: ...olt a little at a time CAUTION Using a gasket with too small a diameter can affect the flow velocity distribution resulting in inaccurate measurement Using a gasket with too large a diameter can cause...

Страница 9: ...2 1 1 Criteria 1 for selecting an installation location 2 2 2 1 2 Criteria 2 for selecting an installation location 2 4 2 1 3 Direction of indicator data setter 2 6 2 1 4 Direction of the converter 2...

Страница 10: ...se output or contact output 5 26 5 6 3 Setting detector information 5 27 5 6 4 Setting flow rate range 5 28 5 6 5 Setting and changing compensation coefficient 5 29 5 6 6 Setting specific gravity 5 30...

Страница 11: ...apter 6 Maintenance and troubleshooting Outline of this chapter 6 1 6 1 Maintenance and inspection of hardware 6 2 6 1 1 Replacement of indicator data setter 6 2 6 2 Troubleshooting 6 3 6 2 1 Types of...

Страница 12: ...t installation 2 10 Figure 2 10 Horizontal mounting Attach two pieces to each of the right and left flanges 2 11 Figure 2 11 Vertical mounting Attach 4 pieces to the lower flange 2 11 Figure 2 12 Grou...

Страница 13: ...and structure of measuring system Outline of this chapter This chapter presents the equipment configuration of a measuring system using this instrument It also describes the structure the names and fu...

Страница 14: ...rument is shown Fluid Output signal Analog output Pulse output Contact output Figure 1 1 Conceptual drawing of measuring system integral type Analog output If instantaneous flow rate values are to be...

Страница 15: ...analog signal from the instrument can be delivered directly to a host control system 4 20mA Analog output Host control system Figure 1 2 Loop configuration for analog output Electromagnetic flowmeter...

Страница 16: ...t to an electronic counter sequencer or other host control system or counter Electronic counter Capable of receiving open collector output signal Figure 1 3 Loop configuration for pulse output Electro...

Страница 17: ...tput In addition to an analog signal this loop configuration allows this instrument to deliver the contact output to a sequencer or other host control system Contact input equipment Capable of receivi...

Страница 18: ...rious parts The following table gives a description of the various parts Name Description Detector When a fluid passes through the inside the sensor generates a signal of electromotive force that is p...

Страница 19: ...ng position is for horizontal mounting for both electrodes Names of various parts The structure and names of various parts of the sensor are shown Flow direction mark Grounding ring Setscrew 4 places...

Страница 20: ...llowing function and structure Displays the instantaneous flow rate value and internal conditions of the instrument The indicator face can be turned at intervals of 90 degrees through one turn Names o...

Страница 21: ...ignal terminals Open the transducer cover and you will find screwed miniature terminals on the left Names of various parts The structure of the terminal block and the manes of its various parts are sh...

Страница 22: ...erminals L Power supply terminal There are models for 24V DC and 100V AC Check referring to the specification PULSE STATUS OUT Open collector pulse output and contact output terminals Grounding termin...

Страница 23: ...instrument The necessary components and installing methods depend on the material of the grounding ring and the material of the installed piping The description proceeds in the following order Criter...

Страница 24: ...sfies the following conditions Otherwise output errors or fluctuations may result A place where the measured fluid has the necessary electric conductivity for measurement the value depending on the tr...

Страница 25: ...g a hand tool An impact from the tool may cause a broken case resulting in injury WARNING 1 When removing this instrument do removal work after ascertaining that there is no residual liquid or pressur...

Страница 26: ...If empty output fluctuations may result If the measured fluid is highly viscous we recommend installing the instrument on a vertical pipe and flowing the fluid to ensure an axially symmetrical flow L...

Страница 27: ...eam side However ensure 2D or over if influences of drift are thought possible Choose a place where there are little pulsations in the flow install at a place sufficiently distant from a pump or the l...

Страница 28: ...d you with care 4 The indicator data setter is fixed by three screws Remove these screws Note The screws are not captive to the indicator data setter so take care not to drop them 5 Remove the indicat...

Страница 29: ...Follow the procedure below Step Procedure 1 Using an M5 hex wrench remove the four screws securing the converter 2 Holding the detector rotate the converter horizontally to the desired position CAUTIO...

Страница 30: ...opriate installing method Example of installing the wafer type detector The basic installing method of the wafer type detector is shown Nut option Through bolt option Pipe Centering fixture Accessorie...

Страница 31: ...kgf cm Values in parentheses are for information only Flange shape Referring to Figure 2 7 use a flange that gives a large area of contact with the gasket Good example Bad example Flange Weld Weld Pi...

Страница 32: ...e broken Figure 2 9 Example 2 of incorrect installation CAUTION When installing align the bores of the detector and pipe so that the gasket does not stick out inside the pipe Otherwise a leakage may r...

Страница 33: ...es When installing use the centering fixtures to prevent misalignment between the pipe and sensor Pass bolts through the centering fixtures so that the detector rests on or in between the fixtures The...

Страница 34: ...nches 80 mm 3 inches 100 mm 4 inches Internal diameter 16 5 1 25 5 1 40 5 1 52 1 65 1 79 1 104 1 If you use rubber gaskets and install with a small tightening torque provide rubber gaskets with the in...

Страница 35: ...the sensor to be installed choose the appropriate installing method A wrong installation may bring about leakage of the measured fluid or damage to the pipe flanges resulting in injury Selecting an i...

Страница 36: ...aterial on pages 2 17 to 2 18 Procedure Follow the following Step Description Figure 1 Pass bolts through the flange holes represented by black circles in the figure In this occasion put two centering...

Страница 37: ...rial of the pipe on which to install the sensor Refer to the installing methods by pipe material on pages 2 17 to 2 19 Procedure Follow the following Step Description Figure 1 The flange holes are rep...

Страница 38: ...ange holes represented by black circles in Steps 1 and 2 with a centering fixture put on and lightly fix them 4 Check for misalignment Check the gaskets for flushness On completion of these checks pas...

Страница 39: ...entering fixtures Gaskets The recommended gaskets are gasket made of PTFE or rubber Recommended gasket internal diameter Refer to Table 2 2 on page 2 12 Installing Install as shown below For the tight...

Страница 40: ...rotective fixtures Needed if installing with the prescribed tightening torque gives rise to a threat of deformation of or damage to the PVC pipe Use stainless steel or other metallic material 6 mm thi...

Страница 41: ...material Lining Grounding ring Gasket Protective fixture Figure 2 14 Grounding ring made of SUS material protective fixture used 3 In the case of installing with a small tightening torque rubber gaske...

Страница 42: ...Instrument installation Azbil Corporation 2 20 Model MCB10A...

Страница 43: ...Model MCB10A 3 1 Chapter 3 Electrical wiring Outline of this chapter This chapter describes the electrical wiring of the main unit...

Страница 44: ...internal measuring circuit Power and load resistance Use power of 24V DC 10 or 100V AC according to the specification The ripple of the supply power should be 1V or less in peak to peak value The wire...

Страница 45: ...ions CAUTION Incorrect wiring polarity can do damage to the equipment Reconfirm the wiring position Wire connection of power supply and analog current output Wire connection Terminal Applicable conduc...

Страница 46: ...SE OUT PULSE OUT External power source 30V DC max 100mA max Avoid this polarity Figure 3 2 Pulse output wire connection diagram Wire connection for contact output Because of the open collector output...

Страница 47: ...his chapter describes the procedure for start up of the instrument and making zero adjustment It also describes termination of the measuring system When starting up and operating the instrument for th...

Страница 48: ...her the settings are in accordance with the data sheet inserted in the transducer If there is a need to change settings to meet your usage change them by the data setter or the like Note If the detect...

Страница 49: ...er 5 Operation using the data setting device This section describes how to operate this system from the data setting device This system configuration and settings can be made using the four keys on th...

Страница 50: ...data setting unit Startup When the power supply is turned on the display changes in the order of OVERALL DISPLAY SELF CHECK MODE and MEASURING MODE OVERALL DISPLAY SELF CHECK MODE Main display 7 segm...

Страница 51: ...0 minutes the configured data returns to the previous values Be sure to press the MODE key to return to the MEASURING MODE and to save data ENGINEERING MODE In the set mode for engineering the mode is...

Страница 52: ...mportant adjustment values or operations for the flow rate measurement Wrong settings make accurate flow rate measurement impossible For the operation contact our service engineers CAUTION When the mo...

Страница 53: ...low rate flow rate and totalized value RATE appears for the actual flow rate display for the flow rate display and TOTAL for the totalized value display see 5 3 1 Display overview Area Description Mai...

Страница 54: ...NG 001 0 S Cursor If the key is pressed when the cursor is placed at a number the number is decremented 1 0000 m s SPAN 07 069 m3 h Cursor If the cursor is placed at a decimal point the decimal point...

Страница 55: ...t figure of 4 digits 3rd line flow rate display Significant figure of 4 digits Totalization is not performed when the output selection is set to the contact output However the previous value is displa...

Страница 56: ...5 8 Model MCB10A Totalized value display An totalized value is displayed in 8 digits without signs and decimal points In the main display unnecessary zeros are deleted but are not deleted in the sub d...

Страница 57: ...three types of modes OPERATOR S MODE ENGINEERING MODE and MAINTENANCE MODE MAINTENANCE MODE is furthermore divided into three of sub modes OUTPUT CALIBRATION and CRITICAL The screen flow is as follow...

Страница 58: ...0 AUTO ZERO READY CNT RESET VALUE Sets a built in counter reset value 20 0 CNT RESET VALUE 0 0 0 4 4 4 4 CNT RESET READY Resets totalized value to a built in counter reset value 20 0 CNT RESET READY 0...

Страница 59: ...1 LCD display flow The LCD display flow of the OPERATOR S MODE is as shown below OPERATOR S MODE DAMPING 003 0 s AUTO ZERO READY CNT RESET VALUE 00000000 CNT RESET READY PREV 00000000 SPIKE CUT OFF AV...

Страница 60: ...example in MEASURING MODE measurement state Press the MODE key 20 0 01 94 m3 h 00069401 2 The OPERATOR S MODE screen appears for approx two seconds and then the damping setting screen appears 20 0 OPE...

Страница 61: ...h 00069401 2 The OPERATOR S MODE screen appears for approx two seconds and then the damping setting screen appears 1 0 OPERATOR S MODE 1 0 DAMPING 005 0 s 3 Press the h key once to display the screen...

Страница 62: ...E measurement state Press the MODE key 20 0 01 94 m3 h 00069401 2 The OPERATOR S MODE screen appears for approx two seconds and then the damping setting screen appears 20 0 OPERATOR S MODE 20 0 DAMPIN...

Страница 63: ...measurement state Press the MODE key 20 0 01 94 m3 h 00069401 2 The OPERATOR S MODE screen appears for approx two seconds and then the damping setting screen appears 20 0 OPERATOR S MODE 20 0 DAMPING...

Страница 64: ...o use this function for applications requiring high response and performance e g the function should not be used when a pump frequently generates pulsation Electromagnetic flowmeter MCB Output not aff...

Страница 65: ...processing of the measured flow rate values The model MCB performs the flow rate calculation every 400 ms For example if the moving average process time is set to 2 seconds the moving average process...

Страница 66: ...or i key to display the screen shown on the right 20 0 AVERAGING OFF 4 Press the g key to move the cursor to the OFF position 20 0 AVERAGING OFF 5 Press the h key to switch the OFF screen to the ON sc...

Страница 67: ...2 The OPERATOR S MODE screen appears for approx two seconds and then the damping setting screen appears 20 0 OPERATOR S MODE 20 0 DAMPING 005 0 s 3 Press the h or i key to display the screen as shown...

Страница 68: ...en 1 The screen shown right is a screen display example in MEASURING MODE measurement state Press the MODE key 20 0 01 94 m3 h 00069401 2 The OPERATOR S MODE screen appears for approx two seconds and...

Страница 69: ...OPERATOR S MODE screen appears for approx two seconds and then the damping setting screen appears 20 0 OPERATOR S MODE 20 0 DAMPING 005 0 s 3 Press the h key once to display the screen as shown on th...

Страница 70: ...pen collector output selects pulse output or contact output 20 0 FUNC SET PULSE EX DIA Sets the detector information Ex value and bore diameter 20 0 MCB DIA 200 EX 300 0 SPAN Sets the flow rate range...

Страница 71: ...0 100 ERROR OUT MODE I OUT Determines the analog output failsafe direction 20 0 ERROR OUT MODE I OUT HOLD ERROR OUT MODE P OUT Determines the pulse output failsafe direction 20 0 ERROR OUT MODE P OUT...

Страница 72: ...w is as follows ENGINEERING MODE ID SET XXXXXXXX FUNC SET PULSE MCB DIA 100 1 0000 m s SPAN 7 0690 m3 h GRAVITY 1 0000 COEFFICIENT 1 0000 PLS 10 000 Hz SCL 196 36 m3 P PLS 30 000 WID 0010 ms DROP OUT...

Страница 73: ...owing procedure Step Procedure Screen 1 Enter ENGINEERING MODE see section 5 4 10 and display the screen where the ID is to be set 12 3 ID SET XXXXXXXX 2 Press the g key to move the cursor to the posi...

Страница 74: ...t STOUT Selection of contact output Default PULSE Select pulse output or contact output in accordance with the following procedure Step Procedure Screen 1 Enter ENGINEERING MODE in accordance with the...

Страница 75: ...owing procedure Step Procedure Screen 1 Enter ENGINEERING MODE in accordance with the entry into ENGINEERING MODE see section 5 4 10 Then press the h or i key to display the screen at right 12 3 MCB D...

Страница 76: ...mass flow rate lb Unit of time d h min s Set the flow rate range in accordance with the following procedure Step Procedure Screen 1 Enter ENGINEERING MODE in accordance with the entry into ENGINEERING...

Страница 77: ...with the entry into ENGINEERING MODE see section 5 4 10 Then press the h or i key to display the screen at right 12 3 COEFFICIENT 1 0000 2 Press the g key to move the cursor to the position under a d...

Страница 78: ...into ENGINEERING MODE see section 5 4 10 Then press the h or i key to display the screen at right 12 3 GRAVITY 1 0000 2 Press the g key to move the cursor to the position under a desired value to be...

Страница 79: ...ct the same unit systems volume unit or mass unit for the flow rate range and pulse scale Selection of different unit systems for them will cause set errors Err 22 PULSE WEIGHT SETTING ERROR See 5 8 2...

Страница 80: ...2 Press the g key to move the cursor to the position under a desired value to be set or changed 12 3 PLS 27 780 Hz 100 00 l p SCL 3 Using the h or i key change the value to a desired pulse scale to b...

Страница 81: ...if the pulse width exceeds the DUTY ratio of 70 in span frequency Default DUTY 50 Method of setting pulse width The DUTY ratio is B A in the diagram at right 1 NUM when real pulse width is selected D...

Страница 82: ...e range into the unit of per second s 360 m3 h g 0 1 m3 s Convert the unit of flow rate range to be same as the unit of pulse scale 0 1 m3 s g 0 1 1000 l s 100 l s Calculation of span frequency 100 l...

Страница 83: ...r pulse width to a screen for fixing the DUTY ratio to 50 12 3 PLS 50 WID DUTY 4 To enter a numeric value for pulse width press the h key to return to the screen for the entry of numeric values Using...

Страница 84: ...drop out in accordance with the following procedure Step Procedure Screen 1 Enter ENGINEERING MODE in accordance with the entry into ENGINEERING MODE see section 5 4 10 Then press the h or i key to d...

Страница 85: ...rate Example If the velocity range is set as 2 m s the lower limit of the low flow cutoff value is 1 5 0 03 2 0 015 1 5 Setting range 1 to 10 Default 5 Set low flow cut in accordance with the followi...

Страница 86: ...the upper lower limit alarm in accordance with the following procedure Step Procedure Screen 1 Enter ENGINEERING MODE in accordance with the entry into ENGINEERING MODE see section 5 4 10 Then press t...

Страница 87: ...t is held at its last good value Default LOW Set failsafe mode for analog output in accordance with the following procedure Step Procedure Screen 1 Enter ENGINEERING MODE in accordance with the entry...

Страница 88: ...ilsafe mode for pulse output in accordance with the following procedure Step Procedure Screen 1 Enter ENGINEERING MODE in accordance with the entry into ENGINEERING MODE see section 5 4 10 Then press...

Страница 89: ...following procedure Step Procedure Screen 1 Enter ENGINEERING MODE in accordance with the entry into ENGINEERING MODE see section 5 4 10 Then press the h or i key to display the screen at right 12 3 S...

Страница 90: ...ilsafe mode for pulse output in accordance with the following procedure Step Procedure Screen 1 Enter ENGINEERING MODE in accordance with the entry into ENGINEERING MODE see section 5 4 10 Then press...

Страница 91: ...MAINTENANCE MODE consists of the following three types OUTPUT CHECK MODE CALIBRATION MODE and CRITICAL MODE For details on the modes see the following pages LCD display flow The LCD display flow of M...

Страница 92: ...I OUT Outputs a fixed value of analog current output to perform loop checks 12 3 OUTPUT CHECK I OUT 100 OUTPUT CHECK P OUT Outputs a fixed value of pulse output to perform loop checks 12 3 OUTPUT CHE...

Страница 93: ...ection 5 4 10 Then display the screen at right 20 0 OUTPUT CHECK MODE OFF 2 Press the g key to move the cursor to the OFF position Press the h key With the display switched from OFF to ON the output c...

Страница 94: ...screen at right 20 0 OUTPUT CHECK MODE OFF 2 Press the g key to move the cursor to the OFF position Press the key With the display switched from OFF to ON the output check mode is then active 20 0 OUT...

Страница 95: ...ry into MAINTENANCE MODE see section 5 4 10 Then display the screen at right 20 0 OUTPUT CHECK MODE OFF 2 Press the g key to move the cursor to the OFF position Press the h key With the display switch...

Страница 96: ...surements of the flow rate To operate in this mode contact an Azbil Corp representative Item Content Screen CAL I OUT Adjusts 4 mA analog current output 12 3 CAL I OUT OFF LOW 4 000 mA LOW 4 000 mA CA...

Страница 97: ...tting device Model MCB10A 5 49 LCD display flow The LCD display flow of CALIBRATION MODE is as follows CAL I OUT OFF LOW 4 000 mA CAL I OUT OFF HIGH 20 000 mA CAL P OUT OFF FREQ 90 Hz CAL GAIN ZERO RE...

Страница 98: ...ude factory calibration data and factory settings or initial default settings for customer configuration data 20 0 SHIPPING DATA RECOVERY READY INITIAL DATA RECOVERY Initial data recovery eliminates a...

Страница 99: ...MAINTENANCE MODE in accordance with the entry into MAINTENANCE MODE see section 5 4 10 Using the h or i key display the screen at right 20 0 OUTPUT CHECK MODE OFF 2 Press the h key twice to display t...

Страница 100: ...E OFF 2 Press the h key twice to display the screen at right 20 0 CRITICAL MODE OFF 3 Press the g key to move the cursor to the OFF position Then press the h key to switch the display from OFF to ON A...

Страница 101: ...e electromagnetic flowmeter will continue to output the preset value in the abnormality treatment failsafe direction The error message and the self diagnostic results will be visible on the display Pe...

Страница 102: ...ror code Error content Action LCD display Err 12 Upper lower limit alarm set error HI LO is set Set HI LO Err 12 SETTING ERROR HI LO Err 21 Span is set to 12 m s or more Check the settings of flow rat...

Страница 103: ...ECOVERY Display conditions When SHIPPING DATA RECOVERY is executed Displayed for 3 seconds sub indication after rebooted and after the entire LCD indication is displayed 5 8 3 Status indication OVER L...

Страница 104: ...Operation using the data setting device Azbil Corporation 5 56 Model MCB10A...

Страница 105: ...nance and troubleshooting Outline of this chapter This chapter presents an instrument maintenance and inspection procedure and information to refer to when doing troubleshooting Ensure the measures to...

Страница 106: ...ward you with care 4 Remove the 3 fixing screws Note The screws are not captive to the indicator data setter so take care not to drop them 5 Remove the indicator data setter Note A cable is attached t...

Страница 107: ...the appropriate measure referring to the troubleshooting guide given here Critical failure A critical failure is defined as a state or failure that causes a grave hindrance to the operation of the ins...

Страница 108: ...own Contact the nearest Azbil Corporation office or Azbil Corporation representative service offices Trouble Points to check and measures Nothing is displayed on the indicator when powered on Check th...

Страница 109: ...ctly Check that the damping time constant is set correctly Clean the electrodes The output value exceeds 100 Check that the range is set correctly Check that zero is adjusted correctly The output valu...

Страница 110: ...ples of application described in any documents provided by Azbil Corporation are for your reference purpose only and you are required to check the functions and safety of your Equipment prior to your...

Страница 111: ...the conditions or environment of use the number of open close operations of relays etc as prescribed in specifications or instruction manuals or depending on the design margin of your machine or equi...

Страница 112: ......

Страница 113: ...ocument Number CM2 MCB100 2001 Document Name Magcube Electromagnetic Flowmeter General type Model MCB10A User s Manual Date 1st edition Apr 2004 3rd edition Sep 2020 Issued Edited by Azbil Corporation...

Страница 114: ......

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