Operating Instructions Transducers UFA / UVA
Contents
1. Operating Instructions I ntegrated Transducers UFA and UVA zertifiziert nach ISO 9001 2000 certified quality Annex Operating I nstructions Transducers UFA UVA integrated in vane wheel sensors or vortex probes VA40 with connection housing Contents A1 A2 A3 A10 A11 Scope of Delivery A1 1 Description Type Plates Technical Specifications A2 1 Operating Conditions A2 2 Housing and Connection A2 3 Electrical Data A2 4 Measurement Uncertainty Installation A3 1 Block Diagram and Pin Assignment A3 2 Wiring Diagrams A3 2 1 Power supply A3 2 2 Analog output v A3 2 3 Digital output Open collector transistor A3 2 4 Interface RS232 A3 2 5 Optional LCD display Functional Description Settings Initial Operation Operation Shut down Dismantling Inspection Troubleshooting Replacement Parts U329 UFAUVAAS B e 070717 www hoentzsch com 1 11 a i wn Operating Instructions Q Jn a Integrated Transducers Cn iga UFA and UVA flow measuring technology Al Scope of Delivery Transducer UFA or UVA integrated in the connection housing of the FA or VA flow sensors Operating Instructions Flow Sensor FA or VA data sheet flow sensor FA or VA with integrated transducer UFA or UVA CD ROM with PC configuration software UCOM optional Programming adapter GO 070 RS232 for PC connection COM port optional USB adapter in addition to programming adapter GO 070 RS232 optional Cable sock2. the analog output sends a value of 4 mA or 12 mA depending on configuration with FAR sensors see under A4 Functional Description flow at sensor the analog output sends an analog value deviating from the zero flow conditions see above U329 UFAUVAAS B e 070717 www hoentzsch com 9 11 a EN P Operating Instructions O ye Bo Integrated Transducers UFA and UVA flow measuring technology A A7 Operation Pay attention to A2 1 Operating Conditions and A2 3 Electrical Data A A8 Shut down Dismantling Before disconnecting the cable please ensure that the supply voltage is switched off A9 Inspection see under A4 Functional Description Self diagnosis 10 11 www hoentzsch com U329 UFAUVAAS B e 070717 hontzsch flow measuring technology Operating Instructions f m I ntegrated Transducers y UFA and UVA aN AN A10 Troubleshooting Fault Causes Troubleshooting analog output no power supply check connecting cable measure voltage at 0 mA connecting terminals transducer electronics faulty electronics fault return to factor error lt 3 6 mA new checksum or return to factory analog output 4 mA coefficient set at 0 000 set coefficient at 1 000 no measured value measured value too sensor contaminated clean sensor according to instructions low coefficient setting too low set coefficient at 1 000 short with a flow rectifier rectifier vortex VA sensors return sensor to factory
3. Bit no parity 2 stop bits Xon Xoff Accessible by unscrewing the housing cover Connection flat ribbon cable with 10 pin cable socket for optional LCD display Do not plug in or out when live A2 4 Measurement Uncertainty Recording the measurement frequency at 1000 Hz lt 0 1 Analog output terminal value lt 0 15 Linearity error lt 0 1 Temperature coefficient lt 20 ppm K at 25 K temperature difference equivalent to lt 0 05 U329 UFAUVAAS_B_e 070717 www hoentzsch com 3 11 a EN wn Operating Instructions AB oS Integrated Transducers UFA and UVA flow measuring technology A A3 Installation Authoratative here are the valid national regulations for installing electrical equipment the general engineering regulations and these Operating Instructions A3 1 Block Diagram and Pin Assignment D Power V D Power iat GND 4 Digital Qutput 4 20mA Output amp RxD D TxD Soe amp ja _ c O O LC Display optional r l l Transducer UFA UVA Pin assignment UFA UVA integrated Q A3 2 Wiring Diagrams Electrical connection must be carried out according to the appropriate wiring diagram Faulty connection can cause damage to the electronics Do not install or wire up the transducer under mains voltage Non compliance can cause damage to the electronics In this connection and depending on the configuration of the equipment one of the follo
4. cers UFA and UVA flow measuring technology A4 Functional Description UFA transducers are designed for connecting to vane wheel probes FA and FAR directional sensing and vane wheel measuring tubes FA Di and FAR Di directional sensing for measuring flow velocity or flow ra te of air gases and water liquids UVA transducers are designed for connecting to vortex sensors VA for measuring flow velocity or flow rate of air gases The signal frequency generated from the flow sensor is converted to a linear analog output signal 4 20 mA The analog terminal value is configurable When logging directional sensing data the zero point can be selected in the middle of the analog range or display of flow direction takes place with the aid of the digital output for FA and FAR 4 20 mA 0 xX m s or m h for FAR 4 12 20 MA X O0 x m s or m h for VA 4 20 MA 0 xX m s or m h for FAR sensors configuration of the digital output See under direction of flow The actual velocity actual flow rate can be converted to standard velocity standard flow rate by enter ing the parameters temperature and pressure Working temperature and pressure should be constant A digital output open collector transistor can be configured for 1 of 3 different functions 1 as limit value for the flow velocity or flow rate flow velocity lt or limit value open collector transistor inactive flow velocity
5. d UVA a faa l flow measuring technology Display line 1 instantaneous value velocity or flow rate Display line 2 quantity counter or error code Configuration see Fig 3 A3 2 5 via 2 jumper wrap connectors m s m h and A B Display line 1 m s m3 h m s and A B any velocity in N m s m s m3 h m h and A B A flow rate in N m3 h m s m3 h m h and A B B flow rate in N It h standard values N only when parameter switching v NV 1 see under A5 only when diameter Di lt 75 0 mm otherwise display in N m3 h Display line 2 Quantity counter in m with 0 3 decimal places see under A5 parameter switching pulse m cbm litre and parameter m com litre per pulse and parameter decimal places quantity display with error error 01 parameter error error 02 sensor error see under A10 Troubleshooting Reset button in the housing cover see Fig 3 Reset the quantity counter by pressing the reset button for more than 3 seconds A5 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 A A6 Initial Operation Pay attention to A3 2 1 Power supply and A3 2 2 Analog output On connecting the supply voltage no flow at sensor
6. et GO 070 Please check that everything listed in the Delivery Note Technical Data Sheet is included in the delivery A1 1 Description Type Plates One of the following type plates or similar can be found on the connection housing VA Flow Sensor UVA PS 3bar FA Flow Sensor UFA PS 6 bar FA Di Flow Sensor UFA PS 10 bar S No va40 1196 E100 C S No md03 7377 350 C S No ms20 1157 18 100 C Di 18 2 mm Ta 40 80 C T oa 0 e Tarp 40 80 C Tregimi 40 350 C Tomp 40 80 C Trnedium 20 100 C amp Power 0VDC 24 VDC g Power OVDC 24 VDC g Power OVDC 24 VDC Output GND OM O 4 20 mA Output GND OM O 4 20 mA Output GND OM O 4 20 mA RS232 RxD TxD RS232 RxD TxD RS232 RxD TxD www hoentzsch com www hoentzsch com C www hoentzsch com C VA Flow Sensor vortex flow sensor VA40 FA Flow Sensor vane wheel flow sensor FA Di Flow Sensor vane wheel measuring tube UVA transducer for vortex sensors VA UFA transducer for vane wheel sensors FA PS max permissible pressure absolute S No serial number with max temperature of the medium Di inside diameter Di of the measuring tube Tamb ambient air temperature range 40 80 C 5 50 C with LCD display option Tmedium temperature range of medium Pin assignment of cable socket GO 070 Power 1 0 VDC supply voltage 0 VDC 2 24 VDC su
7. for performance test reduced acoustic coupling in the sensor elements as a result of intense vibration or powerful impact burden at current output is reduce resistance greater than specified in the Technical Data Sheet result ing in correct output values in the lower range and no longer increasing values at the top end of the measuring range incorrect scaling of analog check setting and amend if necessary output measured value too coefficient set too high set coefficient at 1 000 high EMC problem see reference to electromagnetic compatibility EMC A11 Replacement Parts Integrated transducers UFA UVA have no replacement parts An electronic self restoring fuse is used U329 UFAUVAAS_B_e 070717 www hoentzsch com 11 11
8. gt limit value open collector transistor active 2 aS quantity pulse for quantity measurement max pulse repetition frequency 1 Hz per unit of volume configurable e g 1 pulse per 1 10 or 100 norm m or norm litre pulse duration 0 5 s with FAR sensors configurable for or amounts 3 as direction of flow FAR sensors only direction open collector transistor inactive direction open collector transistor active analog output See above is then absolute value of flow only without direction Self diagnosis according to NAMUR NE43 No error analog output 4 mA flow velocity 0 or analog output gt 4mA flow velocity gt 0 Error analog output lt 3 6 mA Monitoring of power supply data logging sensor interface parameter settings see under A10 Troubleshooting PC serial port RS232 for changing calibration data and setting parameters Connect programming adapter GO 070 optional to the UFA UVA transducer then plug in the adapter Connect sub D to the PC RS232 socket If PC connection is via USB then an optional available USB RS232 interface converter must be inserted Changes to the settings can now take place after starting the PC programme UCOM optional see under A5 Settings Optional LCD display in housing cover 2 x 16 digit character height 3 mm 8 11 www hoentzsch com U329 UFAUVAAS_B_e 070717 Operating I nstructions f m L I ntegrated Transducers Ji T Oa OA LSC UFA an
9. of the data logging to which a pull up resistor for internal supply voltage of the data logging must be connected with 24 V as a rule 5 10 kOhm The limit values for the digital output are max 50 mA max 27 VDC Note If the same voltage source is used for the UFA UVA as for the internal supply for the data logging then the electrical isolation between the supply voltage and the UFA UVA outputs is deactivated A3 2 4 RS232 interface Fig 1 Programming adapter GO 70 RS232 for UCOM software connector PC Sub D 9 pin adaptor plug 230 VAC 24VDC and USB adapter To connect the RS232 interface plug the programming adapter into the UFA UVA The transducer is powered by the adapter Connection to a PC is via a COM port or with an optional USB adapter 6 11 www hoentzsch com U329 UFAUVAAS B e 070717 Operating Instructions I ntegrated Transducers Tal WA ON C2SCc UFA and UVA MaA flow measuring technology A3 2 5 Optional LCD display Fig 2 optional LCD in the housing cover Fig 3 LCD connection with cover open The flat ribbon cable with the 10 pin connector should not be plugged in or out when live Risk of damage to equipment Visible are the potentiometer for the LCD display the reset button for the quantity counter the jumpers m s m h and A B see under A4 Functional Description U329 UFAUVAAS_B_e 070717 www hoentzsch com 7 11 a EN wn Operating Instructions AB oS Integrated Transdu
10. pply voltage 24 VDC Output 3 GND reference potential 4 F digital output open collector internally connected to GND 5 4 20 MA current output 4 20 mA RS232 6 RxD serial interface 7 TxD serial interface GND reference potential 2 11 www hoentzsch com U329 UFAUVAAS B e 070717 Operating Instructions I ntegrated Transducers UFA and UVA A2 Technical Specifications Q A2 1 Operating Conditions Ambient air temperature of connection housing when in use 40 80 C with optional LCD display 5 50 C protection class IP65 mounting attitude no restrictions A2 2 Housing and Connection protection class housing IP65 material aluminium external dimensions L W H 80 80 60 mm connection cable socket GO 070 with terminals for strands with cross section 0 25 1 0 mm A2 3 Electrical Data Supply voltage mains supply 24 V DC 20 27 V DC power lt 3 W The mains supply is electrically isolated from the UFA UVA outputs Analog output 4 20 mMA 0 x m s or m h 4 20 MA x 0 x m s or m h with FAR function configurable Terminal value x configurable resistance max 400 Ohm Digital output open collector transistor max 50 mA 27 V DC configurable as limit value v quantity pulse or direction of flow see under A4 Functional Description RS232 interface for connection with PC programme UCOM see under A4 Functional Description 9600 Baud 8
11. wing wiring dia grams must be taken into account Wiring diagrams for measuring systems in customer specific design will be supplied separately 4 11 www hoentzsch com U329 UFAUVAAS_B_e 070717 Operating Instructions I ntegrated Transducers UFA and UVA Q A3 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 connection housing of the flow sensor 24 VDC 20 27 V DC A3 2 2 Analog output v 4 20 mA Resistance max 400 Ohm The terminal value of the analog output can be configured with the PC software UCOM via the RS232 in terface The factory programmed values can be found in the accompanying documents U329 UFAUVAAS B e 070717 www hoentzsch com 5 11 Operating Instructions I ntegrated Transducers UFA and UVA hontzsch 6 we flow measuring technology A3 2 3 Digital output open collector transistor The digital output is an open collector transistor output internally connected to GND The function of the digital output and the corresponding setting parameter are configurable using the UCOM software via the RS232 interface The factory programmed settings can be found in the parameter printout R pullup Input The reference potential terminal 3 of the UFA UVA is connected to the GND terminal of the data logging The open collector transistor output 4 is connected to the input
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