Hontzsch UFA Operating Instructions Manual Download | Manualshive

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U327_UFAUVALDG16_B_e_170808

www.hoentzsch.com

1/15

Transducers UFA and UVA

in LDG16 housing

Operating Instructions

Vane wheel flow sensors FA

Vortex flow sensors VA

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Summary of Contents for UFA

Page 1: ...________________________ ______________________________________________________________________________________ U327_UFAUVALDG16_B_e_170808 www hoentzsch com 1 15 Transducers UFA and UVA in LDG16 housing Operating Instructions Vane wheel flow sensors FA Vortex flow sensors VA ...

Page 2: ...ge Conditions 5 3 Operating Conditions 5 4 Compatibility 5 5 Housing and Connectors 5 6 Electrical Data 5 7 Measurement Uncertainty 6 Installation 6 1 Block Diagram 6 2 Wiring Diagrams 6 2 1 Power supply 6 2 2 Sensor input 6 2 3 Analog output 6 2 4 Relay output 6 2 5 Interface RS232 6 3 Tips on Electromagnetic Compatibility EMC 6 4 Connecting Cable 7 Functional Description 8 Settings 9 Performance...

Page 3: ...lass IP20 designed primarily for use in control cabinets The manufacturer is not liable for damage caused by improper use and or non compliance with the regula tions Do not carry out any structural modifications to the transducers Always follow the instructions on the type plate especially the information regarding supply voltage 3 Operating Safety All steps described below must be carried out by ...

Page 4: ...number Power 230 VAC supply voltage 230 V AC voltage 24 VDC supply voltage 24 V DC voltage 12 VDC supply voltage 12 V DC voltage Input FA FAR input for vane wheel sensors FA or FAR VA input for vortex sensors Filter filtration of vane wheel input frequency Output 4 20 mA analog output current 4 20 mA 0 10 V analog output voltage 0 10V RS232 behind the front cover 5 Technical Specifications 5 1 Con...

Page 5: ...e indu stry regulations with 16 shock proof terminals according to DIN VDE 0100 and VGB4 for wires with cross section 0 14 4 mm Protection class housing IP40 terminals IP20 Material Macrolon connections by terminals external dimensions W H D 55 75 110 mm 5 6 Electrical Data Supply voltage mains supply 230 V AC 215 255 V AC 50 60 Hz power 10 VA 24 V DC 20 27 V DC power 5 W 12 V DC 10 17 V DC power ...

Page 6: ... 300 mA 27 V DC configurable as limit value v quantity pulse or flow direction see under 7 Functional Description RS232 interface for connection with UCOM see under 7 Functional Description 9600 Baud 8Bit no parity 2 stop bits Xon Xoff 5 7 Measurement Uncertainty Recording the measurement frequency at 1000 Hz 0 1 Analog output terminal value 0 15 Linearity error 0 1 Temperature coefficient 20 ppm ...

Page 7: ... equipment one of the following wiring dia grams must be taken into account Wiring diagrams for measuring systems in customer specific design will be supplied separately 6 2 1 Power supply 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 ...

Page 8: ...output The change over contact of the relay is shown in rest position relay coil off The function of the relay output and the corre sponding setting parameter can be configured with the PC software UCOM via the RS232 inter face The customer specific settings can be found in the documentation 6 2 5 RS232 Interface The RS232 interface connection is behind the front cover After removing the front cov...

Page 9: ...in control cabinets such as subracks with control electronics or subplates to be con nected over a large area and HF wise suitably conductive wire relays switches and magnetic valves installed in the same circuit using spark extinguisher combi nations or over voltage limiting components apply analog signal cable shielding on one side only preferably on the evaluation unit and low re sistant Twist ...

Page 10: ...be converted to standard velocity or standard flow rate by en tering the parameter for temperature and pressure A relay output change over contact can be configured for 1 of 3 different functions 1 as limit value for the flow velocity or the flow rate flow velocity or limit value relay contact idle flow velocity limit value relay contact in working position 2 as quantity pulse for quantity measure...

Page 11: ...ds a value between 3 4 mA and 3 6 mA with output current or between 0 3 V and 0 2 V with output voltage 10 Initial Operation sensor connected pay attention to 6 2 1 Power supply 6 2 2 Sensor input and 6 2 3 Analog output after connecting the supply voltage the green LED lights up and the yellow LED is off No flow at sensor the green LED is permanently on the analog output sends a value of 4 mA wit...

Page 12: ...compatible with the hous ing materials 15 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 be...

Page 13: ...ory transducer electronics faulty return to factory no measured value sensor contaminated clean sensor according to instructions profile factor set at 0 000 set profile factor at 1 000 measured value too low sensor contaminated clean sensor according to instructions profile factor set too low set profile factor at 1 000 input output section too short change sensor position improve flow conditions ...

Page 14: ...act with the sensor or possibly infiltrated the cavities in the sensor If adhesion of hazardous substances cannot be ruled out then detailed safety measures to be taken when handling the equipment must be itemised 18 Disposal The customer should assume the duty to dispose of the equipment at his own expense and according to statutory provisions e g ElektroG in Germany 19 Replacement Parts Fuse TR5...

Page 15: ...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 Reference and date of issue 2014 30 EU Electromagnetic Compatibility EN 61000 6 4 EN 61000 6 2 2014 68 EU Pressure Equipment Directive 2006 42 EC Safety of Machinery EN 61010 ...

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