Micronics U1000MKII FM User Manual Download

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Micronics

U1000MKII-FM User Manual

Issue 2.0 June 18

Page 1

U1000MKII FM

Ultrasonic Flowmeter

User Manual

Micronics Ltd, Knaves Beech Business Centre, Davies Way, Loudwater,

High Wycombe, Bucks HP10 9QR

Telephone:

+44(0)1628 810456

E-mail:

[email protected]

www.micronicsflowmeters.com

Summary of Contents for U1000MKII FM

Page 1: ...0 June 18 Page 1 U1000MKII FM Ultrasonic Flowmeter User Manual Micronics Ltd Knaves Beech Business Centre Davies Way Loudwater High Wycombe Bucks HP10 9QR Telephone 44 0 1628 810456 E mail sales micr...

Page 2: ...ns if fitted 13 5 10 Cable Screen 13 6 Powering up for the first time 14 6 1 How to enter the Pipe ID 15 6 2 Pulse output 16 6 2 1 Volumetric mode 16 6 2 2 Frequency mode 16 6 2 3 Flow Alarm High Low...

Page 3: ...ndustrial environments U1000MKII FM standard features include 2 line x 16 character LCD with backlight 4 key keypad Isolated pulse output Universal guide rail for setting pre assembled transducers Two...

Page 4: ...lect any adaptors needed for pipes with an outside diameter of less than 60mm inside diameter will typically be less than 50mm See Section 5 3 7 Apply the Gel pads or couplant to the sensors and mount...

Page 5: ...es first from the Downstream blue transducer to the Upstream transducer red as shown in the upper half of Figure 1 The transmission is then made in the reverse direction being sent from the Upstream t...

Page 6: ...t is enabled Pulse LED is illuminated when the Pulse Frequency or Alarm functions are enabled Selection key Allows the user to select between options on the display Used to increment the value of each...

Page 7: ...must be suitable to allow ultrasound transmission along the predetermined path It is important that liquid flows uniformly within the length of pipe being monitored and that the flow profile is not d...

Page 8: ...nches S Steel S Steel mm inches M Steel M Steel 20 22 0 79 0 87 A 3 A 3 21 22 0 83 0 87 C 3 C 3 26 29 1 02 1 14 B 2 B 2 27 1 06 D 2 E 3 34 36 1 34 1 42 C 2 C 4 35 36 1 38 1 42 C 4 C 4 37 40 1 46 1 57...

Page 9: ...ow to adjust the separation of the sensors Figure 5 Separation Setting NOTE When the sensors have been moved to the correct setting and the guide rail is attached to the pipe REMOVE the sensor holding...

Page 10: ...pes Figure 6 Pipe Adaptors Adaptors are supplied for use on small pipes The diagrams above show how these are fitted around the pipe The top pipe adaptor clips into the ends of the guide rail 40 to 60...

Page 11: ...or program unit before clamping guide rail to pipe using the supplied banding Then release and REMOVE sensor locking screws Connect sensors to the electronics assembly before applying power Sensor lea...

Page 12: ...ould be earthed for full immunity to electrical noise 5 6 Connecting the U1000MKII FM to the Supply The U1000MKII FM will operate within the voltage range 12 24V ac dc The supply must have a minimum r...

Page 13: ...available at the Red and Black wires The polarities are shown Page 12 Figure 8 The alarm current due to a flow outside the range specified or due to a loss of signal is set at 3 5mA 5 9 Modbus Connec...

Page 14: ...e at least 40 for reliable operation The direction of flow when powered up will be set as that for positive flow The current output and pulse output will relate to the flow in this direction If the fl...

Page 15: ...tory enabled user set up of the application relies on the installer to set the correct operating parameters a considerable variation in results can be obtained from incorrectly set up units 6 1 How to...

Page 16: ...tput can be set up to operate one of four modes namely volumetric frequency Low Flow Alarm and Loss of Flow Signal Alarm The Alarm function allows the user to set the alarm to Normally Open or Normall...

Page 17: ...d on the flow rate must rise by 2 5 more than the set value to turn it on off again If the flow reading Signal is lost as indicated by the flow rate being displayed as the alarm will be triggered The...

Page 18: ...Offset Type Typical Contents Meaning Notes n a n a Byte 0x01 Instrument Address n a n a Byte 0x03 Instrument Command n a n a Byte 0x40 Number of bytes to read 40001 0 Int 16 0x00 Device ID 0xAC Energy...

Page 19: ...grees Fahrenheit for Imperial 0x00 40020 19 0x00 0x00 40021 20 iee754 0x60 Measured Total Units in m3 for Metric Units in US Gal for Imperial 0xef 40022 21 0x3c 0x1c 40023 22 Int 16 0x00 Instrument Un...

Page 20: ...ered using the method shown in 9 1 2 To exit the password controlled menu navigate to the Exit screen and press the key If you wish to abandon entering the password then wait until the display returns...

Page 21: ...e key five times to increment the hundreds unit from 0 to 5 1250 0 Press the key once to select units 1250 0 which will now blink Press the key twice to decrement the units from 0 to 8 1258 0 Press th...

Page 22: ...ED MENUS Invalid OR No input for 10 seconds User Menu Pulse Output User Menu Comms Output User Menu Calibration User Menu Setup User Menu Totals Checking Signals Sig 87 246 3 l min Setup Menu Totals M...

Page 23: ...System Units Impgal USgal Flow Units l min l s Flow Units gal min gal hr Range 20 165mm 050 0 mm SETUP MENU Inches Invalid mm Invalid Valid Valid Vel m s m3 Flow Litres Valid Flow Impgal USgal Vel ft...

Page 24: ...ts Pulse Type Volume Flow Alarm Frequency Select Pulse OFF ON Off On Enter Level 0000 Units Valid Volume Valid Valid Invalid Freq Invalid Max Pulse Freq 200 Pulse Width 50 ms Range 3 99 50 ms Range 1...

Page 25: ...us Setup Menu Select 4 20mA ON OFF Flow 20mA 1000 0 Flow 4mA 0000 0 OFF ON CURRENT OUTPUT MENU IF FITTED Valid Valid Modbus Address 103 Modbus Baud 38400 19200 9600 4800 2400 1200 MODBUS SETUP MENU Ra...

Page 26: ...LIBRATION MENU Zero Offset 0 000 l min To Clear Zero Offset Averaging 9 Done 71360 v To Set Zero Cut off 0 02 m s Valid Range 0 00 0 50 0 02 m s Invalid Select 10 20 30 50 or 100 sec Damping Time s 20...

Page 27: ...eoretical and measured transit times If the actual value is displayed as 9999 99 then a usable signal could not be detected This screen displays the pulse status the trigger level and the alarm type T...

Page 28: ...e guide rail and gently lift the same end as shown 3 The opposite end of the electronics can now be released from the guide rail Figure 22 4 Disconnect the sensors 5 Remove the original Gel pads from...

Page 29: ...with roll over to zero Languages supported English only Power input 12 24V ac or dc Power consumption 7VA maximum Cable 5m screened 6 core Pulse Output Output Opto isolated MOSFET volt free contact NO...

Page 30: ...ts the metric default values Table 2 System Default Values Table 3 lists the default values when Imperial dimensions are selected Table 3 System Default Values Metric Parameter Default Value Dimension...

Page 31: ...displayed as a number in the diagnostics menu Contact Micronics if other messages appear Common Error Message Error Message Error Meaning None or 0 None 2 Hot sensor error 4 Cold sensor error 6 Hot an...

Page 32: ...th 0x01 0x83 0x06 0xC1 0x32 slave is busy processing and is unable to respond 0x01 0x83 0x07 0x00 0xF2 CRC is incorrect Flow errors A signal strength of less than 40 indicates poor set up of the instr...

Page 33: ...o the range 3 to 99ms If an invalid value is entered then the following warning message is displayed 5 When programming the Zero Cut off this is limited to the range 0 000 to 0 500 If an invalid value...

Page 34: ...Micronics U1000MKII FM User Manual Issue 2 0 June 18 Page 34 15 Declaration of Conformity...

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