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Micronics 

 

U1000-HM User Manual                                                              

 

Issue 2.2 

 

 

Page 13 

 

5.6  U1000-HM Interface Cables 

The U1000-HM interface cable supplied is a 6-core cable for power and pulse output connections and 
a separate 4 core plug-in cable for the Modbus connections. 
 
 
 
 
 
 
 
 
 
 
 
 
 
The  un-insulated  wire  is  the  connection  to  the  screen  of  the  cable  and  should  be  earthed  for  full 
immunity to electrical noise. 
 
 
 
 
 
 
 
 
 
 
 
 

 

Figure 8 instrument connections 

 

5.7  Connecting The U1000-HM To The Supply 

The U1000-HM will operate within the voltage range 12 - 24V ac/dc. The supply must have a minimum 
rating of 7VA. Connect the external power supply to the Brown and Blue wires of the six core cable.  
 

Ensure that the supply wires are NOT earthed / grounded. 
 

This equipment is designed to work with a non-earth referenced power supply. If a power supply with 
a connection to ground is used in conjunction with a communications link an earth loop may be formed 
that can damage the instrument. See the notes below:

 

 
  

Power 

 

Figure 8. U1000-HM Interface Cable 

Содержание Micronics U1000-HM

Страница 1: ...Issue 2 2 Page 1 Micronics U1000 HM Clamp On Ultrasonic Heat Meter User Manual...

Страница 2: ...bus connections 15 5 10 Cable Screen 15 6 Powering up for the first time 16 6 1 How to enter the Pipe ID 18 6 2 Pulse output 19 6 2 1 Volumetric mode 19 6 2 2 Frequency mode 19 6 2 3 Energy 19 6 2 4 L...

Страница 3: ...nd 10 5mm for plastic Simple to install temperature sensors Compact rugged and reliable the U1000 HM has been designed to provide sustained performance in industrial environments U1000 standard featur...

Страница 4: ...il on the pipe using the banding provided then remove the sensor holding screws See Section 5 3 8 Plug in the flow and temperature sensors and check that flow and temperature readings can be obtained...

Страница 5: ...direction being sent from the Upstream transducer red to the Downstream transducer blue as shown in the lower half of Figure1 The speed at which the ultrasound is transmitted through the liquid is acc...

Страница 6: ...e instrument Pulse Enabled LED is illuminated when the Pulse output is ON Figure 2 U1000 HM User Interface Selection key Allows the user to select between options on the display Used to decrement the...

Страница 7: ...strument Pulse Enabled LED is illuminated when the Pulse output is ON Figure 2 U1000 HM User Interface Selection key Allows the user to select between options on the display Used to decrement the valu...

Страница 8: ...strument Pulse Enabled LED is illuminated when the Pulse output is ON Figure 2 U1000 HM User Interface Selection key Allows the user to select between options on the display Used to decrement the valu...

Страница 9: ...effect To obtain the most accurate results the condition of both the liquid and the pipe must be suitable to allow ultrasound transmission along the predetermined path It is important that liquid flow...

Страница 10: ...need to be one code higher or lower The instrument displays the required separation after the pipe internal diameter and material are entered Pipe material Plastic and Copper Steel Plastic and Copper...

Страница 11: ...Micronics U1000 HM User Manual Issue 2 2 Page 9 The diagram below shows how to adjust the separation of the sensors Figure 5 Separation Setting...

Страница 12: ...be kept in case it is necessary to change the location of the guide rail and sensors See the relocation section section 10 for the procedure to do this Remove the covers from the Gel pads Ensure ther...

Страница 13: ...7 Pipe Adaptors Guide rails for small pipes are supplied with adaptors The diagrams above show how these are fitted around the pipe The top pipe adaptor clips into the ends of the guide rail Less than...

Страница 14: ...and leave running for about 30 minutes 3 Enter the password controlled menu See Section 8 and scroll to the calibration sub menu 4 Press the enter key until the Zero Temp Offset screen is displayed 5...

Страница 15: ...ections 5 7 Connecting The U1000 HM To The Supply The U1000 HM will operate within the voltage range 12 24V ac dc The supply must have a minimum rating of 7VA Connect the external power supply to the...

Страница 16: ...on The communications may fail if the Modbus master isn t galvanically isolated Incorrect 24V AC wiring earth low side connection The communications may fail if the Modbus master isn t galvanically is...

Страница 17: ...lead is provided for the Modbus connections that plugs into the electronics assembly near the power cable entry The Brown and Black conductors are the ve bus wires and the White conductors are the ve...

Страница 18: ...User Manual Issue 2 2 Page 16 6 Powering Up For The First Time Powering up for the first time will initiate the sequence shown in Figure 10 Select the option required and press the Figure 10 initial p...

Страница 19: ...ates that there is no usable signal from sensors The cause of this could be incorrect pipe data no Gel couplant on the sensors sensor not in contact with the pipe or very poor surface conditions on th...

Страница 20: ...ncrement digit or hold down to scroll through the numeric sequence Decrement the tens digit in the sequence 9 8 7 6 5 4 3 2 1 0 9 using the key Press once to increment digit or hold down to scroll thr...

Страница 21: ...ol per Pulse to 10 litres or reduce the Pulse Width value 6 2 2 Frequency Mode In Frequency mode the pulse output frequency is proportional to the flow rate within a specified frequency range of 0 200...

Страница 22: ...value 40007 40008 6 7 Flow m3 sec 2 registers IEE754 floating Point 40009 40010 8 9 Flow m3 hr 2 registers IEE754 floating Point 40011 40012 10 11 Power kW 2 registers IEE754 floating Point 40013 4001...

Страница 23: ...1 Information Screens Total Flow 1012 23 litres Instant Power 000 00 kW Temperature dT H 30 0 C 23 0 7 0 Sig 80 100 l min Total Energy 00 00 kWh v v v v v The system will initially display the Flow R...

Страница 24: ...Figure 14 The default value l min will blink to indicate that this is the current setting To change to l s press the key Now the l s units will blink to indicate that this is now the selected units P...

Страница 25: ...Invalid OR No input for 10 seconds User Menu Pulse Output User Menu Calibration User Menu Setup User Menu Totals Checking Signals Sig 87 246 3 l min Setup Menu Totaliser Menu Pulse Output Menu User M...

Страница 26: ...ct Reading Flow Vel System Units litres m3 System Units Impgal USgal Flow Units m3 min m3 h Flow Units l min l s Flow Units gal min gal h Flow Units USgal m USgal h Range 20 110mm 050 0 mm SETUP MENU...

Страница 27: ...e 10 0 l Pulse Width 25 ms PULSE OUTPUT MENU Valid On Volume Max Pulse Freq 200 Max Flow Freq 9999 0 l s Valid Valid Test mode press V or to generate a 20ms pulse Invalid Freq Pulse Type Energy Range...

Страница 28: ...Micronics U1000 HM User Manual Issue 2 2 Page 26 Figure 18 Modbus menu Modbus Address 103 Modbus Baud 38400 MODBUS MENU Range 1 0 to 126 0 103 Invalid Valid...

Страница 29: ...t 0 000 l min Range 0 00 0 50 0 10 m s Done 71360 Zero Offset Averaging 9 To Clear V To Set Valid Invalid Calibrat Factor 1 000 Range 0 500 1 500 1 000 NO YES CALIBRATION MENU Invalid Valid Zero Temp...

Страница 30: ...etween 600 to 970 The number in parentheses is the switch setting and should be x1 or x10 Gains of X100 show that the received signal is too small to be used The second line shows the current time dif...

Страница 31: ...off the electronics unit Figure 21 4 Disconnect the sensors 5 Remove the original Gel pads from the sensors 6 Push the sensor blocks into the guide rail to enable the washers and locking screws to be...

Страница 32: ...e l s l min gal s gal min USgal s USgal min m3 min m3 h Volume litres m3 gals USgals Energy kWh MWh kBTU MBTU Totaliser 8 digits with roll over to zero Languages supported English only Power input 12...

Страница 33: ...Flammability Rating UL94 V 0 Dimensions 250mm x 48mm x 90mm electronics guide rail Weight 0 5kg Environmental Pipe temperature 0 C to 85 C Operating temperature Electronics 0 C to 50 C Storage temper...

Страница 34: ...00 l min Pulse Output On Modbus Address 1 Energy per Pulse 1kWh Data Rate 38400 Pulse Width 25ms Parity None Damping 20s Stop Bits 2 Table 2 System Default Values Metric Parameter Default Value Parame...

Страница 35: ...he Flow Reading screen will be displayed to indicate the nature of the fault A signal strength of less than 40 indicates poor set up of the instrument and the installation should be checked or possibl...

Страница 36: ...ing warning message is displayed 5 When programming the Calibration Factor this is limited to the range 0 5 to 1 5 If an invalid value is entered then the following warning message is displayed 6 If a...

Страница 37: ...Micronics U1000 HM User Manual Issue 2 2 Page 35...

Страница 38: ...on The communications may fail if the Modbus master isn t galvanically isolated Incorrect 24V AC wiring earth low side connection The communications may fail if the Modbus master isn t galvanically is...

Страница 39: ...User Manual Issue 2 2 Page 16 6 Powering Up For The First Time Powering up for the first time will initiate the sequence shown in Figure 10 Select the option required and press the Figure 10 initial p...

Страница 40: ...ncrement digit or hold down to scroll through the numeric sequence Decrement the tens digit in the sequence 9 8 7 6 5 4 3 2 1 0 9 using the key Press once to increment digit or hold down to scroll thr...

Страница 41: ...Figure 14 The default value l min will blink to indicate that this is the current setting To change to l s press the key Now the l s units will blink to indicate that this is now the selected units P...

Страница 42: ...Invalid OR No input for 10 seconds User Menu Pulse Output User Menu Calibration User Menu Setup User Menu Totals Checking Signals Sig 87 246 3 l min Setup Menu Totaliser Menu Pulse Output Menu User M...

Страница 43: ...ct Reading Flow Vel System Units litres m3 System Units Impgal USgal Flow Units m3 min m3 h Flow Units l min l s Flow Units gal min gal h Flow Units USgal m USgal h Range 20 110mm 050 0 mm SETUP MENU...

Страница 44: ...e 10 0 l Pulse Width 25 ms PULSE OUTPUT MENU Valid On Volume Max Pulse Freq 200 Max Flow Freq 9999 0 l s Valid Valid Test mode press V or to generate a 20ms pulse Invalid Freq Pulse Type Energy Range...

Страница 45: ...Micronics U1000 HM User Manual Issue 2 2 Page 26 Figure 18 Modbus menu Modbus Address 103 Modbus Baud 38400 MODBUS MENU Range 1 0 to 126 0 103 Invalid Valid...

Страница 46: ...t 0 000 l min Range 0 00 0 50 0 10 m s Done 71360 Zero Offset Averaging 9 To Clear V To Set Valid Invalid Calibrat Factor 1 000 Range 0 500 1 500 1 000 NO YES CALIBRATION MENU Invalid Valid Zero Temp...

Страница 47: ...off the electronics unit Figure 21 4 Disconnect the sensors 5 Remove the original Gel pads from the sensors 6 Push the sensor blocks into the guide rail to enable the washers and locking screws to be...

Страница 48: ...on The communications may fail if the Modbus master isn t galvanically isolated Incorrect 24V AC wiring earth low side connection The communications may fail if the Modbus master isn t galvanically is...

Страница 49: ...User Manual Issue 2 2 Page 16 6 Powering Up For The First Time Powering up for the first time will initiate the sequence shown in Figure 10 Select the option required and press the Figure 10 initial p...

Страница 50: ...ncrement digit or hold down to scroll through the numeric sequence Decrement the tens digit in the sequence 9 8 7 6 5 4 3 2 1 0 9 using the key Press once to increment digit or hold down to scroll thr...

Страница 51: ...Figure 14 The default value l min will blink to indicate that this is the current setting To change to l s press the key Now the l s units will blink to indicate that this is now the selected units P...

Страница 52: ...Invalid OR No input for 10 seconds User Menu Pulse Output User Menu Calibration User Menu Setup User Menu Totals Checking Signals Sig 87 246 3 l min Setup Menu Totaliser Menu Pulse Output Menu User M...

Страница 53: ...ct Reading Flow Vel System Units litres m3 System Units Impgal USgal Flow Units m3 min m3 h Flow Units l min l s Flow Units gal min gal h Flow Units USgal m USgal h Range 20 110mm 050 0 mm SETUP MENU...

Страница 54: ...e 10 0 l Pulse Width 25 ms PULSE OUTPUT MENU Valid On Volume Max Pulse Freq 200 Max Flow Freq 9999 0 l s Valid Valid Test mode press V or to generate a 20ms pulse Invalid Freq Pulse Type Energy Range...

Страница 55: ...Micronics U1000 HM User Manual Issue 2 2 Page 26 Figure 18 Modbus menu Modbus Address 103 Modbus Baud 38400 MODBUS MENU Range 1 0 to 126 0 103 Invalid Valid...

Страница 56: ...t 0 000 l min Range 0 00 0 50 0 10 m s Done 71360 Zero Offset Averaging 9 To Clear V To Set Valid Invalid Calibrat Factor 1 000 Range 0 500 1 500 1 000 NO YES CALIBRATION MENU Invalid Valid Zero Temp...

Страница 57: ...off the electronics unit Figure 21 4 Disconnect the sensors 5 Remove the original Gel pads from the sensors 6 Push the sensor blocks into the guide rail to enable the washers and locking screws to be...

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