Azbil mF CMG Series User Manual Download Page 31 | Manualshive

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Chapter 3. MOUNTING AND WIRING

• Use an operation panel/display and a sensor/terminal section with

the same combination of combination numbers.
Combination numbers differ from device to device as each
device is adjusted individually. If different combination numbers
are combined, accuracy can no longer be guaranteed. The
combination numbers are each displayed on the operation panel/
display and sensor/terminal section.

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Summary of Contents for mF CMG Series

Page 1: ...f the product Those designing or maintaining equipment that uses this product should first read and understand this manual This manual contains information not only for installation but also for maint...

Page 2: ...is manual is complete and accurate but if you should find an omission or error please contact us In no event is Azbil Corporation liable to anyone for any indirect special or consequential damages as...

Page 3: ...vent injury to the operator and others and to prevent damage to property Be sure to observe these safety precautions WARNING Warnings are indicated when mishandling this product might result in death...

Page 4: ...duced Use the analog outputs and alarm contact outputs on the device for monitoring the gas flow rate of a burner or other equipment Do not use these outputs in applications where safety will be impai...

Page 5: ...ng will prevent the safety circuit from functioning properly Be sure to check that the wiring is correct before you turn the power ON Incorrect wiring may cause damage or malfunction Connect the power...

Page 6: ...manual Handling Precautions Handling Precautions indicate items that the user should pay attention to when handling the CMG Series Note Notes indicate information that might benefit the user 1 2 3 Nu...

Page 7: ...upper limit of flowrate range 11 Pipes 12 Wiring 20 Chapter 4 OPERATION 24 Displaying the flow rate 24 Resetting alarms 26 Resetting the integrated flow rate 26 Displaying the total flow rate 27 Chap...

Page 8: ...vi Chapter 7 SPECIFICATIONS 38 CMG Series specifications 38 Individual CMG model specifications 40 Pressure loss 43 External dimensions 45...

Page 9: ...d 25 C according to the function settings Features Installation of the compact and high precision CMG is simple It can be mounted in any direction as the direction of the display can be changed Gas fl...

Page 10: ...25 25A 1B 40 40A 1 1 2B 50 50A 2B 0 Rc thread 1 JIS 10K flange 40A 50A only A Air 004 4m3 h normal CMG15 1 010 10m3 h normal CMG25 1 030 30m3 h normal CMG25 1 080 80m3 h normal CMG40 50 1 150 150m3 h...

Page 11: ...2B 50 50A 2B 0 Rc thread 1 JIS 10K flange 40A 50A only N Fuel gas 13A 004 4m3 h normal CMG15 1 010 10m3 h normal CMG25 1 030 30m3 h normal CMG25 1 080 80m3 h normal CMG40 50 1 150 150m3 h normal CMG4...

Page 12: ...0 60Hz 2 200Vac 50 60Hz 00 None D0 Inspection certificate provided Y0 Traceability certificate provided z Butane model Basic model No I II III IV V VI VII VIII IX Description Pipe size Pipe shape Gas...

Page 13: ...model refer to When selecting a medium pressure model for air and fuel gas 13A 46MJ m3 on page 42 3 1 to 5 V output models have event output 1 relay but not event output 2 open collector For use of a...

Page 14: ...alarms integrated flow rate Operation panel Use this panel to set functions parameters alarms or alarm occurrence wait time and to reset alarms or reset the integrated flow rate Display Displays the...

Page 15: ...7 Chapter 2 NAMES AND FUNCTIONS OF PARTS Fuse position 24Vdc power supply model AC power supply model Fuse M3 5 6 terminal screws Fuse M3 5 4 terminal screws M3 5 3 terminal screws...

Page 16: ...If the CMG model has a threaded pipe connection when connecting the piping fasten the flow inlet outlet section and then screw in the pipe side to connect the piping When connecting a flanged device f...

Page 17: ...erating temperatures that fall below 10 C and rise above 60 C 2 Operating humidity that exceeds 90 RH 3 Sudden changes in temperature and condensation 4 Corrosive gases and flammable gases 5 Abundant...

Page 18: ...e piping is expected due to fluctuation in gas composition etc z Gas flow Gas Gas Handling Precautions Make sure that the gas flows into the device in the direction indicated by the FLOW arrow on the...

Page 19: ...upper limit both the flowrate display and the output voltage current will begin to decrease giving the appearance that the flowrate is within the flowrate range limits Also if there is a sudden great...

Page 20: ...sure that there is no welding fume particulate or dust and then install the device Handling Precautions If foreign matter cannot be fully eliminated by flushing or wiping or if the regular presence of...

Page 21: ...13 Chapter 3 MOUNTING AND WIRING z Straight pipe section To be sure the straight pipe section is long enough refer to pages 40 42...

Page 22: ...pe connection varies according to the model number For details see Individual CMG model specifications page 40 z Screw connection Coating sealant Coat with an appropriate amount of sealant Do not coat...

Page 23: ...the body with a wrench Pipe Pipe connection port Handling Precautions Do not grip the display or sensor terminal section Doing so might damage the body or cause leakage Do not tighten the pipe at a to...

Page 24: ...ow speed distribution may be disturbed and adversely influence accuracy If the gasket inner diameter is too large leakage may occur Align the inner diameters of the piping and the flowmeter and attach...

Page 25: ...the flowmeter and cause error Nut Thru bolt Pipe Gasket Tighten according to the torque in the following table Aperture Flange Rating Torque N m 40mm JIS10K 22 to 32 50mm JIS10K 24 to 34 Handling Pre...

Page 26: ...18 Chapter 3 MOUNTING AND WIRING Do not exert unnecessary force on the narrow section between flange surfaces Doing so might damage the device Tilted piping Off center Off center...

Page 27: ...urn the power ON Incorrect wiring might cause damage or malfunction The following table describes the meaning of symbols indicated on the terminal layout label on the CMG Symbol Meaning Direct current...

Page 28: ...1 Terminal 2 COM Terminal 1 24Vdc Terminal 3 OUTPUT Terminal 4 EVENT2 Terminal 5 RELAY Terminal 6 RELAY Relay output A DC power supply can also be used for the load that is wired to terminals 5 and 6...

Page 29: ...put 4 RELAY Event output 1 contact output relay output 5 COM Common 6 OUT Analog output 7 EVENT2 Event output 2 NPN open collector integrated pulse Handling Precautions Use crimped terminal lugs which...

Page 30: ...sily visible position 3 Fasten the operation panel display onto the sensor terminal section with screws CW rotation max 180 CCW rotation max 180 Connector leads Operation panel display Sensor terminal...

Page 31: ...combination of combination numbers Combination numbers differ from device to device as each device is adjusted individually If different combination numbers are combined accuracy can no longer be guar...

Page 32: ...e is 9999m3 or less Hold down key for at least five seconds key key key key key key z Displaying the instantaneous flow rate and integrated flow rate When the power is turned ON the m3 h indicator lig...

Page 33: ...tching to the integrated flow rate display from the instantaneous flow rate display digits past the decimal point for the integrated flow rate are displayed Handling Precautions When the flow rate exc...

Page 34: ...occurrence wait time when the flow rate exceeds the preset alarm value after the flow monitor is re energized Resetting the integrated flow rate Hold the key down for at least two seconds while the i...

Page 35: ...the integrated flow rate display 3 Press the key again within five seconds while it is displayed The first four digit display You can also alternately display the first four digits and the last four d...

Page 36: ...er the enabled or disabled condition using the function setup If the Reset is performed by key switch setting has been selected press the key for 2 seconds or more while dis playing the total flow rat...

Page 37: ...he desired setting 5 When the desired setting has been selected press the key to finalize the setting After approx one second the item number is redisplayed and the setting is updated 6 If there are o...

Page 38: ...meter setup mode Lower limit alarm 1 A flow rate less than the lower limit of the measure ment range is not judged to be an alarm Lower limit alarm 2 A flow rate less than the lower limit of the measu...

Page 39: ...abled 1 Reset by key switch 0 The integrated flow rate is also reset when the total flow rate is reset C 08 Reference temperature selection 0 0 C 101 325kPa 1 atmosphere 1 5 C 101 325kPa 1 atmosphere...

Page 40: ...he digit to be changed can be moved by using the key 5 When the desired setting has been selected press the key to finalize the setting After approx one second the item number is redisplayed and the s...

Page 41: ...3 h normal 5 A dLY Delay timing for instantaneous flow rate alarm judgment 60 0s 0 0 to 999 9s 6 E SP L Integration event setup lower four digits 0m3 0 to 99 999 999m3 Value set is valid only when sel...

Page 42: ...If lower limit alarm1 has been selected in function setup C 02 alarm detection will not operate when the flow rate is less than the lower limit of the measurement range even if the flow rate is below...

Page 43: ...ch sensor Err2 is displayed but the operation contin ues with provisional data in spite of the error Readjustment by Azbil Corporation is necessary The display is other than 0 00 includ ing a minus di...

Page 44: ...ting of 250V and 0 5A for replacement on the 24Vdc power supply type and a fuse having an electrical rating of 250V and 2 0A for replacement on the AC power supply type Use of a non rated fuse prevent...

Page 45: ...er 2 NAMES AND FUNCTIONS OF PARTS 4 Remove the fuse 5 Attach the new fuse 6 Attach the fuse cover 7 Attach the operation panel display in its original position on the sensor terminal section Handling...

Page 46: ...0 to 400 of measurement range upper limit scalable Accuracy 0 5 FS Load resistance 300 max Event output 1 1a contact closes at event generation Contact rating 250Vac 30Vdc 5A resistance load Mechanic...

Page 47: ...Pollution degree Pollution degree 2 Altitude 2000m or less 1 Factory adjustment is done on the basis of the 13A 46MJ m3 gas composition shown in the table below When used with 13A 45MJ m3 gas change...

Page 48: ...rate is 25 FS or more Flow rate range 1 m h normal 2 Measurement 3 range top Display range bottom Fuel gas 13A Air 0 50to4 00 0 00to7 00 1 00to10 00 0 00to16 00 3 0to30 0 0 0to35 0 8 0to80 0 0 0to100...

Page 49: ...s Same diameter pipe diameters A and B and the same A B Upstream elbow Downstream elbow As per individual As per individual specifications B A Different diameter pipe diameter A is different from diam...

Page 50: ...Flow control valves such as butterfly needle and globe valves should be installed downstream of the CMG at least 5D away from it z When selecting a medium pressure model for air and fuel gas 13A 46MJ...

Page 51: ...3 h normal 0 50 100 150 200 250 300 350 0 5 10 15 20 25 30 35 CMG400A080 CMG400N080 CMG400P025 CMG400B020 CMG400A150 CMG400N150 CMG400P050 CMG400B040 Pressure loss Pa Flow rate m3 h normal 0 100 200 3...

Page 52: ...e m3 h normal 0 20 40 60 80 100 120 140 160 0 200 400 600 800 1000 1200 CMG501A080_1 CMG501N080_1 CMG501A150_1 CMG501N150_1 Pressure loss Pa Flow rate m3 h normal 0 10 20 30 40 50 60 70 80 90 100 0 50...

Page 53: ...dimensions z CMG150 250 CMG250 Rc1 CMG150 Rc1 2 G 1 2 thread with min depth 10 2 HEX46 0 1 5 60 5 83 9 25 25 100 94 131 5 27 z CMG400 500 G 1 2 thread with min depth 10 CMG500 Rc1 CMG400 Rc1 2 2 HEX75...

Page 54: ...thread with min depth 10 4 19 hole JIS 40A 9 0 8 1 90 4 2 90 45 42 105 140 116 60 5 220 60 195 222 16 14 z CMG501 JIS 50A G 1 2 thread with min depth 10 112 60 5 220 16 Micro Flow 45 9 0 4 19hole 120...

Page 55: ...ne of a model complying with CE C 09 the description on setup item and description and remarks changed Setup range of No 1 10 0 to 200 changed to 0 to 400 Setup range of No 2 to 4 11 0 to 100 changed...

Page 56: ...Zero adjustment removed from the description of RESET key and ENT key Description clarified Item of Pipes added Pages changed from 7 28 One item added to Handling Precautions Two sections of Handling...

Page 57: ...tions Description changed in Introduction Description changed on 3rd item in Features Description changed on 8th item in Handling Precautions Item of installation site added Oct 2007 13 ii 7 8 to 32 C...

Page 58: ...1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan URL https www azbil com 11 Specifications are subject to change without notice 1st edition July 2001 W 19th edition Dec 2020 K...

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