HB Products HBLC Manual
Intelligent liquid level sensors
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Manual for rigid level sensors and controllers
Covers: HBLC, HBLT, HBSLC & HBSLT
For analog measurements of liquids like NH3, water, HFC/HFO refriger-
ants, CO2, Hydro carbons and alcohols.
Can be used in refrigeration systems and similar demanding systems.
Introduction
HBLC, HBLT , HBSLC and HBSLT are intelligent liquid level sensors which can be installed in a vessels or in a standpipes. The
sensors can be mounted directly in a stand pipe or in a vessel. The HBLC and HBSLC are sensor without an external pipe
which means they measure between the sensor element and the vessel or standpipe whereas the other types has an exter-
nal pipe and measures between the inner rod and the outer pipe. Installation and configuration is similar for the two product
types and they share the electronic heads.
The sensor can be installed in refrigeration systems and similar demanding applications with high pressures and aggressive
fluids.
The sensors comes in different versions with or without a cable for direct valve control. All versions emits a 4-20mA analog
signal, which is proportional or disproportional to the liquid level, via the M12 plug. The sensors are available in special ver-
sions which contains a controller able to control a valve directly, without using a PLC.
Rigid level sensor manual 01
ATEX/Ex versions included
May 2020
HBproducts.dk
1
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Table of Contents
Related Manuals for HB Products HBLC
Summary of Contents for HB Products HBLC
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Page 1: Introduction
Introduction HBLC, HBLT , HBSLC and HBSLT are intelligent liquid level sensors which can be installed in a vessels or in a standpipes. The sensors can be mounted directly in a stand pipe or in a vessel. The HBLC and HBSLC are sensor without an external pipe which means they measure between the sensor element and the vessel or standpipe whereas the other types has an exter- nal pipe and measures between the inner rod and the outer pipe. -
Page 2: Table Of Contents
If changes are made to type-approved equipment, this type approval becomes void. The product's input and output, as well as its accessories, may only be connected as shown in this guide. HB Products assumes no responsibility for damages re- sulting from not adhering to the above. - Page 3 Application Examples HBLC and HBSLC HBLC consist of a PTFE covered rod and requires a electrical connection to the overflow pipe or to the pipe segment where it is installed. The sensor is more sensitive to turbulent conditions but with a high filter time it is able to control the level even in turbulent conditions.
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Page 4: Application Examples
Application Examples HBLT and HBSLT are designed for level measurement of liquids and is typically used in chillers, pump separators, coolers and condensers. The sensors can be mounted in vessels , containers and standpipes without an external pipe. HBSLT/C Sensor with integrated cable for direct control of 4-20 mA controlled modulating valve like Siemens MVS-series or... - Page 5 Application Examples HBLC and HBSLC Level sensor installed directly in a vessel Level sensor installed in a standpipe connected to a receiver. Rigid level sensor manual 01 May 2020 HBproducts.dk...
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Page 6: Installation Instructions
Mount the sensor on the ves- sel. Torque 80-150 Nm. Liquid sealant should be used for HBLC and HBSLC and products with a rod without outer pipe Rigid level sensor manual 01 May 2020... -
Page 7: How To Connect The Sensor
How to connect the sensor Three different type of sensors • A simple sensor version with 4-20 mA output • A advanced sensor version with 4-20 mA output, LED indications, display and multiple settings • A controller version with both cable for direct valve control and analog output, LED indications, display and mul- tiple settings The M12 connection is also used for power supply. -
Page 8: Connection Diagrams
AO, 4-20 mA level Communication only used for setting up and calibration Connection diagram for sensors without control Suited for cable. • HBLC • HBLT and HBLT-wire +24V DC - Common DO, Alarm output AO, 4-20 mA level Communication only... - Page 9 Connection diagram for sensors with control ca- Suited for • HBSLT/S and HBSLT–wire/S ble for all common stepper motor valves — here • HBSLC/S shown with Carel E2V +24V DC - Common AI Remote set point 4-20 mA AO, 4-20 mA level Run in signal The sensor has a build in controller for a stepper valve.
- Page 10 Connection diagram for sensors with control ca- Suited for ble for pulse modulating valve — here shown • HBSLT/C and HBSLT–wire/C with Danfoss AKV/AKVA • HBSLC/C +24V DC - Common AI Remote set point 4-20 mA AO, 4-20 mA level Run in signal The sensor has a build in controller for a pulse modulating valve.
- Page 11 Connection diagram for sensors with control ca- Suited for • HBSLT/C and HBSLT–wire/C ble for modulating valve — here shown with Sie- • HBLC/C mens MVS661 MVS661 motor valve -common - = White common + supply + = Brown Supply...
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Page 12: Analog Output
Connection diagram for sensors with EX approval Suited for • HBLT and HBLT-wire and two wire connection • HBLC Barrier +24V DC Not used Not used AO, 4-20 mA level Not used The sensor with ATEX approval use a two wire connection. -
Page 13: Use The Hb-Tool For Setting Up The Sensor
Setting up the sensor When the sensor is delivered with one of the predefined liquids it is pre-calibrated and need no further calibration. The sim- ple sensor can still be setup using a simple tool where filter time and calibration can be made. The advanced sensors has mul- tiple parameters. - Page 14 Use the HB tool for setting up the sensor Advanced versions only Setup — level or control The sensor can operate in two different modes • As sensor input to a PLC, computer or other device that Setting up the sensor The HB tool has three pages of settings.
- Page 15 Basic settings Filter time averages the output over a peri- Here you make the primary settings of the sensor od and reduce fluctua- tions Here you set the parame- ters for the control func- Here you set the pa- tion. rameters for the sen- When “Run in signal”...
- Page 16 Advanced settings Here you make the advanced settings of the sensor Here you set the parame- ters for the alarm func- tion. Only available for sensors without cable Here you can adjust parameters for the valve control Alarm relay function: Here, the relay function is indicated, depending upon the instructions –...
- Page 17 Diagnostic (calibration of sensor) Here you make the calibration of the sensor. If the sensor is operating in one of the predefined liquid it is delivered with a calibration and does normally not need further calibration. If you need higher accuracy the sensor can be calibrated Here you can see and change the zero Here you can see and change the SPAN calibration.
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Page 18: Led Indication
LED indication • Green LED indicates 24 V DC supply; it flashes during operation. If "run-in" is not used, this function must be deactivated in the tool. • Yellow LED indicates control. The flashing sequence indicates if the valve is closing or opening. •... -
Page 19: Fault Detection
Please contact your local distributor about how to handle complaints. Further Information For further information, please visit our website, www.hbproducts.dk, or send an email to: support@hbproducts.dk. HB Products A/S – Bøgekildevej 21 – DK8361 Hasselager – support@hbproducts.dk – www.hbproducts.dk Rigid level sensor manual 01 May 2020 HBproducts.dk...
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