Hontzsch UVA Operating Instructions Manual
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Contents
1 Safety Symbols ......................................................................................................................... 2
2 Safety Precautions ..................................................................................................................... 2
3 Intended Use............................................................................................................................. 3
4 Operating Safety ....................................................................................................................... 3
5 Scope of Delivery ....................................................................................................................... 3
5.1
Description, Type Plates ..................................................................................................... 4
6 Technical Specifications .............................................................................................................. 4
6.1
Conformity with Standards ................................................................................................. 4
6.2
Storage Conditions ............................................................................................................ 4
6.3
Operating Conditions ......................................................................................................... 5
6.4
Compatibility .................................................................................................................... 5
6.5
Housing and Connectors .................................................................................................... 5
6.6
Electrical Data .................................................................................................................. 5
6.7
Measurement Uncertainty .................................................................................................. 6
7 Installation ................................................................................................................................ 6
7.1
Block Diagram .................................................................................................................. 7
7.2
Wiring Diagrams ............................................................................................................... 7
7.2.1
Shielding contact at cable bush ................................................................................ 7
7.2.2
Power supply ......................................................................................................... 8
7.2.3
Sensor input .......................................................................................................... 8
7.2.4
Analog output ........................................................................................................ 9
7.2.5
Relay output .......................................................................................................... 9
7.2.6
RS232 Interface ................................................................................................... 10
7.2.7
LCD display in housing cover (optional) ................................................................... 10
7.3
Tips on Electromagnetic Compatibility (EMC) ...................................................................... 11
7.4
Connection Cable ............................................................................................................ 11
8 Functional Description .............................................................................................................. 12
9 Settings .................................................................................................................................. 13
10 Performance Test ..................................................................................................................... 13
11 Initial Operation....................................................................................................................... 13
12 Operation ............................................................................................................................... 13
13 Shut-down, Dismantling ........................................................................................................... 14
14 Inspection ............................................................................................................................... 14
15 Maintenance ............................................................................................................................ 14
16 Meaning of LEDs ...................................................................................................................... 14
17 Calibration .............................................................................................................................. 14
18 Troubleshooting ....................................................................................................................... 15
19 Returns .................................................................................................................................. 16
20 Disposal .................................................................................................................................. 16
21 Replacement Parts ................................................................................................................... 16
22 Declaration of Conformity, Declaration of Incorporation ................................................................ 17
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U328_UFAUVAextAS102_B_e_210512
Operating Instructions
Transducers UVA and UFA
im Gehäuse AS102
_
1/17
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Summary of Contents for Hontzsch UVA
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Page 1: Table Of Contents
__________________________________________________________________________________________________ Operating Instructions Transducers UVA and UFA im Gehäuse AS102 Contents 1 Safety Symbols ......................... 2 2 Safety Precautions ........................2 3 Intended Use..........................3 4 Operating Safety ........................3 5 Scope of Delivery ........................3 Description, Type Plates ..................... 4 6 Technical Specifications ...................... -
Page 2: Safety Symbols
__________________________________________________________________________________________________ Safety Symbols Warning! Failure to observe the instructions can result in serious injury and damage to property! Important notice! Non-observance can result in serious damage to the equipment or restriction in performance! Safety Precautions Danger to life, risk of injury and damage to material or property. Read the Operating Instructions carefully before initial operation. -
Page 3: Intended Use
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
: RJ22 plug Technical Specifications 6.1 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. 6.2 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. 6.5 Housing and Connectors... -
Page 6: Measurement Uncertainty
/ impedance 1 kOhm * for FAR sensors when configuring the relay: ±flow direction UVA analog output: 4 ... 20 mA = 0 ... x m/s (or m³/h), terminal value x configurable / burden max. 400 Ohm Alternative: 0 ... -
Page 7: Block Diagram
__________________________________________________________________________________________________ 7.1 Block Diagram 7.2 Wiring Diagrams Electrical connection must be carried out according to the appropriate wiring diagram. Faulty connection can cause damage to persons and destruction of the electronics. Do not install or wire up the transducer under mains voltage. Non-compliance can cause damage to persons and destruction of the electronics. -
Page 8: Power Supply
Before connecting please check that the power supply is within the specification. Remove the housing cov- er of the UFA or UVA to reveal the type plate with all relevant information. With a supply voltage of 230 VAC please ensure that the non-insulated areas of terminals and connecting... -
Page 9: Analog Output
__________________________________________________________________________________________________ 7.2.4 Analog output 0-10 V 4-20 mA Impedance 1 kOhm Resistance max. 400 Ohm = shielding = shielding All relevant information can be found on the type plate. The terminal value of the analog output can be configured with the PC software UCOM via the RS232 inter- face. -
Page 10: Rs232 Interface
__________________________________________________________________________________________________ 7.2.6 RS232 Interface Fig. 1: PC connection with RJ22 plug with open cover The RS232 interface connection is below left next to the connecting terminals. The RJ22 plug of the PC connecting cable is plugged in to the socket (see Fig. 1). PC connection follows at a COM port or using an optional USB adapter. -
Page 11: Tips On Electromagnetic Compatibility (Emc)
__________________________________________________________________________________________________ 7.3 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 12: 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 13: Settings
__________________________________________________________________________________________________ PC serial port RS232 dient zur Änderung der Kalibrierdaten und Einstellparameter. Remove cover. Plug PC connector cable (optional) with RJ22 into the socket in the transducer (see Fig. 2). Connect other end of cable to PC COM port. If a USB connection is required, then an optional USB / RS232 interface converter must be inserted. Changes to the settings can now take place after starting the PC programme UCOM (optional) (see under Fehler! Verweisquelle konnte nicht gefunden werden. -
Page 14: Shut-Down, Dismantling
17 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 calibration cycles should be chosen at the beginning. -
Page 15: Troubleshooting
__________________________________________________________________________________________________ 18 Troubleshooting Fault Cause Troubleshooting green LED off no power supply check connecting cable, measure voltage at connecting terminals transducer electronics faulty return to factory analog output = cable break or short-circuit check terminals; check cable for continuity and error (<... -
Page 16: Returns
__________________________________________________________________________________________________ 19 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 17: Declaration Of Conformity, Declaration Of Incorporation
Höntzsch GmbH & Co. KG Gottlieb-Daimler-Str. 37 D-71334 Waiblingen bearing sole responsibility, hereby declare that the product Transducer UFA / UVA in AS102 Housing referred to in this declaration, is in conformity with the following standards or norma- tive documents: Provisions of the Directive...
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