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Wire and Flex level sensor manual 04

October 2021 HBproducts.dk 4

Stand pipe: DN32..

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DN65.

Recommended pipe standard: DIN 10220

Recommended bending: DIN 2615

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1/Type 3

Recommended TEE: DIN 2615

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1

Standpipe: DN65

…

DN100.

Recommended pipe standard: DIN 10220

Recommended bending: DIN 2615

-

1/Type 3

Site pipe can be designed in smaller pipe e.g. o.5 x DN.

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Содержание HBLC-CO2

Страница 1: ...in a vessel they need an inner pipe Both sensors measure between the wire tube elements and the sur rounding pipe The sensor can be installed in refrigeration systems and similar demanding applications with high pressures and aggressive fluids The sensor emits a 4 20mA analog signal which is proportional to the liquid level Introduction Manual for all flexible level sensors and wire sensors delive...

Страница 2: ...s used to point out important safety instructions for the user It will always be found in places in the chapters where the information is relevant The safety in structions and the warnings in particular must always be read and adhered to Intended use conditions of use The level sensor is designed for continuous measurement of liquids but please note the sensor design and setup has to comply with t...

Страница 3: ...ounted in an angle of 5 10 degree from horizontal to secure drainage and oil pockets in refrigeration systems The sensor is installed and is supplied with a standard non shielded cable If EMC is greater than described in EN 61326 a shielded cable must be used The wire sensor is designed for level measurement of liquids in vessels like tanks pump separators and receivers The sensor can be mounted i...

Страница 4: ...and pipe DN32 DN65 Recommended pipe standard DIN 10220 Recommended bending DIN 2615 1 Type 3 Recommended TEE DIN 2615 1 Standpipe DN65 DN100 Recommended pipe standard DIN 10220 Recommended bending DIN 2615 1 Type 3 Site pipe can be designed in smaller pipe e g o 5 x DN ...

Страница 5: ...be mounted in a standpipe DN25 orDN32 The standpipe must be insulated to avoid boiling of refrig erant The outlet pipe from standpipe shall be mounted in an angle of 5 10 degree from horizontal to secure drainage and oil pockets in refrigeration systems The sensor is supplied and can be is installed with a standard non shielded cable If EMC is greater than described in EN 61326 a shielded cable mu...

Страница 6: ... part of the thread so that the ground connection is established If you are in doubt regarding the ground connection measuring the resistance between the tank and sensor is recom mended This should be approx 0 ohms An aluminum sealing washer has been included for the sensor with cylindrical thread To install HBLT wire you must use a 2 5 mm Allen key shifting spanner and gasket depending on the typ...

Страница 7: ...mm into the weight and a 50 mm clearance below the weight to the bottom of the vessel You can have up to 50 mm free wire at the top or shorten one of the aluminum pieces to get to the desired length When sealing the conical thread you must use liquid conductive sealant which cre ates a ground connection between the standpipe tank and the sensor since the sen sor uses the standpipe tank as referenc...

Страница 8: ...r version with 4 20 mA output A controller version with both cable for direct valve control and analog output All sensors can provide a signal for a PLC via the M12 connection The M12 connection is also used for power supply Some versions are able to control a valve directly They have a cable which can be connected directly to the valve PLC Controller and sensor version HBSLT HBSLC PLC optional or...

Страница 9: ...rol the valve The lev el measurement signal for the PLC comes via the M12 plug On pin 3 it is possible to send an analog 4 20 mA signal to the controller and change the setpoint The signal is scaled linear like analog output The cable is connected according to the drawing and the parameters are set as shown in the next section For the stepper motor setup a special menu is activated Connection diag...

Страница 10: ...e The sensor provides both the analog output via the cable to control the valve The level measurement signal for the PLC comes via the M12 plug On pin 3 it is possible to send an analog 4 20 mA signal to the controller and change the setpoint The signal is scaled linear like analog output The cable is connected according to the drawing and the parameters are set as shown in the next section Suited...

Страница 11: ...o control the valve The level measurement signal for the PLC comes via the M12 plug On pin 3 it is possible to send an analog 4 20 mA signal to the controller and change the setpoint The signal is scaled linear like analog output The cable is connected according to the drawing and the parameters are set as shown in the next section Suited for HBSLT C and HBSLT wire Flex C HBLC C AO Grey 4 20 mA Mo...

Страница 12: ... temperature compensa tion Suited for HBLT and HBLT wire Flex HBLC Scaling and offsetting the output Scaling the analog output The output is scaled linear from minimum to maxi mum and it is done in the HB tool Offsetting minimum and maximum If your sensor height doesn t match your vessel height it is possible move the minimum level and maximum level beyond the physical sensor by adjusting the off ...

Страница 13: ...ly the latest version of the tool has this feature When you like to change a setting you just type in a new value or select in the drop down After changing the value you store the data by clicking save to sensor The data is then saved and stored in the sensor and remains there even when the power supply is discon nected Use the HB tool for setting up the sensor Connecting the sensor All sensor are...

Страница 14: ...esults in a system that reacts more slowly Filter time const in sec Filter function Averages the measurement so that the control function is performed based on an av erage measurement in a programmable time span in seconds This is increased if there are brief fluctuations in the measure ment which lead to unstable control Run in signal remote activation with this function it is possible to activat...

Страница 15: ... select either LP mode low pressure control or HP mode high pressure control In LP mode the container is filled so that the level is maintained and in HP mode the container is emptied so that the level is maintained LP mode 4 20 mA HP mode 20 4 mA Set mA or digital 2 output Select the sensor output digital or analog Digital 2 alarm in set the alarm setpoint Digital Hysteresis in Indicates the devi...

Страница 16: ... SPAN which is a part of the calibration The value is normally calculated based on an automatic calibration and should not be changed Use this button to make the zero calibration Use the button and the field to make a calibration to a known level between 1 and 100 Diagnostic calibration of sensor Here you make the calibration of the sensor If the sensor is operating in one of the predefined liquid...

Страница 17: ...ED is on ON during the 5 second activation and turns off OFF when calibration mode is activated Activate R once Yellow LED flash once Afterwards the green LED flashes to confirm calibration Instruction for 100 calibration Fill the vessel to 100 Activate R for 5 seconds to activate calibration mode Yellow LED is on ON during the 5 second activation and turns off OFF when calibration mode is activat...

Страница 18: ...ive cable plug Check and find faults in the power supply or replace the supply cable Yellow and red LED flash Power supply is not sufficient Install proper power supply Valve open and close to fast Refrigerant is boiling in the stand pipe Increase filter settings and eventu ally increase P band as well No contact activation There may be dirt between the elec tronic housing and the mechanical housi...

Страница 19: ...Wire and Flex level sensor manual 04 October 2021 HBproducts dk 19 ...

Страница 20: ...s described in the complete manual You need a computer and a USB M12 cable to do the calibration and more advanced setup The setup is done in the HB tool which is down loaded from the HBproduct web page www hbproducts dk Measurement signal The sensor output is a 4 20mA provided on pin 4 in the M12 plug The signal grow linear to the level More advanced wiring and wiring of sensors controlling a val...

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