Hontzsch UVA Operating Instructions Manual
Transducers in ldg16 housing
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__________________________________________________________________________________________________
Transducers UFA and UVA
in LDG16 housing
Operating Instructions
Vane wheel flow sensors FA
Vortex flow sensors VA
______________________________________________________________________________________
U327_UFAUVALDG16_B_e_170808
www.hoentzsch.com
1/15
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Table of Contents
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Summary of Contents for Hontzsch UVA
- Page 1 __________________________________________________________________________________________________ Transducers UFA and UVA in LDG16 housing Operating Instructions Vane wheel flow sensors FA Vortex flow sensors VA ______________________________________________________________________________________ U327_UFAUVALDG16_B_e_170808 www.hoentzsch.com 1/15...
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Page 2: Table Of Contents
________________________________________________________________________________________ Contents 1 Safety Symbols 2 Application according to Regulations 3 Operating Safety 4 Scope of Delivery Description, Type Plates 5 Technical Specifications Conformity with Standards Storage Conditions Operating Conditions Compatibility Housing and Connectors Electrical Data Measurement Uncertainty 6 Installation Block Diagram Wiring Diagrams 6.2.1... -
Page 3: Safety Symbols
Transducers UFA and UVA are instruments for measuring flow velocity and flow rate: UFA for use with vane wheel flow sensors FA or FAR and measuring tubes FA Di or FAR Di and UVA for use with vortex flow sensors VA40 and measuring tubes VA Di. These instruments are designed for industrial application. -
Page 4: Description, Type Plates
: behind the front cover Technical Specifications Conformity with Standards Transducers UFA / UVA are manufactured according to the best available technology, are safe and reliable and comply with the relevant regulations, EU directives and standards. Storage Conditions Storage temperature: -30 to +70 °C... -
Page 5: Operating Conditions
The UFA replaces the U2a transducer with FA / FAR input. All Höntzsch vortex probes VA and all Höntzsch vortex measuring tubes VA Di (without integrated trans- ducer) can be connected to the UVA transducer. The UVA replaces the U2a transducer with VA input. Housing and Connectors The LDG16 housing is designed for snapping on to 35mm DIN rail according to DIN EN 60715 and SN EN 50022 or for screwed connection. -
Page 6: Measurement Uncertainty
________________________________________________________________________________________ UVA analog output: 4 ... 20 mA = 0 ... x m/s (or m³/h), terminal value x configurable / burden max. 400 Ohm, alternative: 0 ... 10 V = 0 ... x m/s (or m³/h), terminal value x configurable / impedance 1 kOhm Relay: (potential-free change-over contact), max. -
Page 7: Wiring Diagrams
Before connecting please check that the power supply is within the specification. The type plate with all relevant information can be found on the side of the UFA and UVA housing. With a supply voltage of 230 VAC please ensure that the non-insulated areas of terminals and connecting... -
Page 8: Analog Output
= shielding The type plate with all relevant information can be found on the side of the UFA and UVA housing. The terminal value of the analog output can be configured with the PC software UCOM via the RS232 in- terface. -
Page 9: Tips On Electromagnetic Compatibility (Emc)
__________________________________________________________________________________________________ 6.3 Tips on Electromagnetic Compatibility (EMC) all connecting cables are to be kept as short as possible with cable routes longer than 30 m or with strong electromagnetic disturbance along the cable route between sensor and evaluation unit, the use of a double-shielded cable is recommended: to do this lay inner shielding to one side of the evaluation unit and lay outer shielding on both sides over a large area with low-impedance connection on the sensor and evaluation unit or on the control cabinet ... -
Page 10: Functional Description
FA Di and FAR Di (directional sensing) for measuring flow velocity or flow rate of air/gases and water/liquids. UVA transducers are designed for connecting to vortex probes VA and vortex measuring tubes VA Di for measuring the flow velocity or flow rate of air/gases. -
Page 11: Settings
__________________________________________________________________________________________________ Settings The following setting parameters can be read using the PC software UCOM and are also alterable. The customer-specific settings are shown on the parameter print-out, which is included in the documents. Please find operation instructions PC software UCOM in document U385. Performance Test sensor not connected (pay attention to 6.2.1 Power supply and 6.2.3 Analog output) -
Page 12: Inspection
Calibration The UFA and UVA transducers have an excellent long-term stability. However, it makes sense to have the instruments calibrated at certain intervals. The period between two calibrations depends on the individual operational conditions and the tolerable measurement error. Therefore, as a precaution, shorter calibra- tion cycles should be chosen at the beginning. -
Page 13: Troubleshooting
__________________________________________________________________________________________________ 16 Troubleshooting Fault Cause Troubleshooting green LED does not light no power supply check connecting cable, measure volt- age at connecting terminals transducer electronics faulty return to factory yellow LED lights up, cable break or short-circuit check terminals, green LED does not flash check cable for continuity and replace if despite flow, analog necessary... -
Page 14: Returns
________________________________________________________________________________________ 17 Returns No special measures necessary for UFA and UVA transducers. When returning sensors, these should be cleaned thoroughly according to the instructions. A hazard warn- ing or declaration of no objection must be supplied for substances which have been in contact with the sensor or possibly infiltrated the cavities in the sensor. -
Page 15: Declaration Of Conformity, Manufacturer's Declaration
Höntzsch GmbH & Co. KG Gottlieb-Daimler-Straße 37 D-71334 Waiblingen bearing sole responsibility, hereby declare that the product Transducer UFA / UVA in LDG16 Housing referred to in this declaration, is in conformity with the following standards or normative documents: Provisions of the Directive...
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