User`s Manual WT-WI02 & Easy Control
Contents
1. 4 2 4 Changing the settings Setup In the setup mode the following settings can be done Setting the input full scale i E the frequency giving 20mA Setting the analogue mode Input Frequency The input frequency is converted in 4 20mA 4 mA The W 02 draws constant 4mA Setting the frequency mode Off Digital output not used Input Frequency The output frequency equals the input frequency Switch nc Switch normally closed Switch no Switch normally open Corrected frequency The output frequency is calculated according to the specified parameters Settings m Input M Digital Output Input full scale Frequency gives 20mA out Frequency Output Mode Fmax 1000 Hz PS Set Mode Frequency confirm mM Analog Output Analog Output Mode Set Mode input Frequency v confirm DAC Range 0 to 4095 i Set DAC Value 3800 set Read DAC Value get Return to main menu Note In the Setup Mode also the analogue output is disabled The last value is maintained until the setup is finished Changes in flow will not alter the current K ppers Elektromechanik GmbH WT WI02 User s Manual 4 2 5 Calibration The calibration of the W 02 is protected by a password Click Calibrate Password Calibrate For calibrating the 4 mA point click on Test in the field Calibrate 4 mA Set the value in the field Showed val2. Operating modes Further specifications Measuring frequency Response time Temperature drift Connector Ambient temperature Medium temperature Dimensions Material Protection class 4 20 mA 2 wire passive 5 HA 12 30 V regulated UB 12V 20 mA max 800 ON frequency proportional current OFF supply current 4 mA independent of frequency open collector potential free 1 600 Q 1 3 000 Hz OFF frequency output disabled 1 1 output frequency input frequency CORR scaleable output frequency SW switch output 1 3 000 Hz actually usable frequency depends on flow meter 250ms for input frequencies gt 5Hz lt 100 ppm K M12 5 pin 1 I on D27_ 3 emitter digital ground 4 collector frequency output i 5 remote input i 20 50 C 20 to 120 C with a distance of at least 25 mm 61 between flow meter and electronic housing ot see drawing show K or R version E stainless steel IP65 __MI amp I 5 K ppers Elektromechanik GmbH 19 WT W102 User s Manual 6 4 WEEE and RoHS The unit described herein is not subject to the WEEE directive and the corresponding national laws At the end of life forward the unit to a specialised recycling company and do not dispoes it of f as domestic waste The unit described herein fully complies with the RoHS directive 6 5 Addresses Main office KEM K ppers Elektromechanik GmbH Liebigstr 2 DE 857
3. WT 4 2 Remote Control The W 02 has a built in interface which uses the frequency output and pin 5 of the connector for communication Communication with a computer is easily implemented by using the USB converter CON USB WT and the remote SW KEM EasyControl Note In remote mode the digital output is used for communication and does not provide the frequency output or switch functionality 10 KEM WT W102 User s Manual 4 2 1 Installation of EasyControl Note To install EasyControl on the computer administrator rights are required Start setup exe on the CD The installation will be performed automatically and an icon for starting EasyControl will be created on your desktop Note If necessary Windows XP without SP3 the Microsoft NET Framework runtime library will be installed on the computer Start CDM 2 04 06 exe on the CD and the driver for the CON USB WT will be installed 4 2 2 Connecting the WT to the PC The CON USB WT provides 3 modes of operation POW int The WT is powered from the USB interface No connection at the output connector of the CON USB WT is required The frequency output cannot be used The LED lights up when the CON USB WT is connected to a PC This mode is used for setting up the WT or for simple measurements of the input frequency POW DAM The WT is powered from the USB interface Between Pin 2 and 5 of the output connector of the CON USB WT a DAM must be connected This
4. 57 Karlsfeld Germany Phone 49 81 31 59 39 10 info kem kueppers com www kem kueppers com Please see our website for worldwide contacts Rev 001 01 09 20 KEM
5. DAM shows the 4 20mA signal of the WT The frequency output cannot be used The LED lights up when the CON USB WT is connected to a PC This mode is used for setting up the WT for calibrating the analogue output and for simple measurements of the input frequency POW off The WT is not powered from the USB interface An external power supply at the output connector of the CON USB WT is required The LED does not light up This mode is used for in line monitoring the WT in a complete installation To set the mode proceed as follows e Open the CON USB WT by removing the 2 screws in the top cover e Set the rotary switch with a small screwdriver to the desired position see figure below e Close the CON USB WT with the 2 screws K ppers Elektromechanik GmbH 11 WT WI02 User s Manual Connect the CON USB WT via the provided USB cable to your PC Note Pin 3 of the output connector of the CON USB WT is connected to the ground potential of the PC Connect the cable of the CON USB WT to the WT Note When you connect for the first time a CON USB WT to your PC you need administrator rights on the PC as the drivers must be installed on the PC If necessary connect the DAM or the power supply control unit to the output of the CON USB WT Start EasyControl by double clicking on the icon Click COM ComPort SELECT KEM EasyControl co RE Connect Disconnect Select the right com port normally
6. User s Manual WT WI02 amp Easy Control Version 1 22 Kuppers Elektromechanik GmbH Quality system certified to DIN ISO 9001 WT W102 User s Manual Contents 1 1 Features 1 2 Safety 1 2 1 General Safety 1 2 2 Special requirements for Ex installations 1 3 Ordering Codes and Accessories 1 3 1 Ordering Code 1 32 Accessories 2 Getting started 2 1 Unpacking 2 2 Operating Elements 2 2 1 W 02 2 2 2 CON USB WT 2 3 Pin Assignments 2 3 1 W 02 2 3 2 CON USB WT 3 Installation 3 1 Mechanical 3 2 Electrical 3 3 Ex Installation 4 Operation SOOM m NNN QU DDH auu U u AAA RWW Ww 4 1 Normal operation 4 1 1 Using the 4 20mA loop only 4 1 2 Using the 4 20mA loop and the digital output 4 1 3 Using the digital output only 1 4 2 Remote Control 10 4 2 1 Installation of EasyControl 11 4 2 2 Connecting the WT to the PC 11 4 2 3 Reading the input frequency 14 4 2 4 Changing the settings 15 4 2 5 Calibration 16 5 Service and Maintenance 18 5 1 Maintenance 18 5 2 Trouble shooting 18 5 3 Service 18 6 Listings 19 6 1 Warranty 19 6 2 Declaration of conformity 19 6 3 Technical Data 19 6 4 WEEE and RoHS 20 6 5 Addresses 20 2 KEM WT W102 User s Manual General Information 1 1 Features The converters type W 02 are passive 4 20 mA sensors with carrier frequency WT or inductive WI input stage In addition to the analogue output the sensor provides a galvanically isolated open collector output whic
7. V 5 Imp in T 7 3 I o oo y WT The following modes are possible for the digital output Input Frequency The input signal is transformed to a square signal and fed to the digital output pin 4 Switch Normally open The output is high open at low frequencies As the input frequency reaches f fpysteresis the transistor becomes conducting and the output goes low As soon as the input frequency drops below f f the output becomes non conducting again hysteresis and goes high provided that an external pull up is connected Switch Normally closed The output is low conducting at low frequencies As the input frequency reaches f f the hysteresis transistor becomes non conducting and goes high provided that an external pull up is connected As soon as the input frequency drops below f f the output becomes conducting again and the hysteresis output goes low For changing the mode refer to chapter 4 2 4 K ppers Elektromechanik GmbH 9 WT W102 User s Manual 4 1 3 Using the digital output only If only a digital output is required connect the W 02 according to the figure below For the description of the digital output modes refer to chapter 4 1 2 For best performance and lowest power requirements the analogue mode can be set to 4 mA In that mode the W 02 draws a supply current of 4 mA independent of the input frequency
8. e current carrying capacity of the cable used is required K ppers Elektromechanik GmbH WT W102 User s Manual 1 2 2 Special requirements for Ex installations When used in hazardous area a suitable separation amplifier or zener barriers must be used When using long cables make sure that the maximum inductances and capacitances for the respective voltage or gas group are not exceeded 1 3 Ordering Codes and Accessories 1 3 1 Ordering Code Wa 02 bb c d Ex approval if blank standard version Ex Ex approved versions Sensor K for ZHM 02 to 04 and HM series L for ZHM 05 to 07 and for temperatures up to 150 C R for ZHM 01 01 1 and 01 2 SRZ series and LFM 10 S centre pickup for ZHM series Material if blank stainless steel as per DIN 1 4101 Sensor principle I inductive T carrier frequency 1 3 2 Accessories CON USB WT USB adapter for WT 02 with output plug to loop through the analogue and frequency output In the remote mode the WT 02 can be powered via the USB interface or via an external power supply EasyControl Remote software for WINDOWS XP or VISTA With WINDOWS XP SP3 or N NET framwork is required Connector M12 5 pin female 713 Shielded cable 4 KEM WT WI02 User s Manual 2 Getting started 2 1 Unpacking Verify that you have received the following items When you ordered W 02 e User s manual When you ordered CON USB WT e CON USB WT e USB cabl
9. e e CD incl software and drivers e User s manual 2 2 Operating Elements 2 2 1 W 02 1 Electrical connector 2 Lock nut 3 Installation thread 4 Pickup tip K ppers Elektromechanik GmbH WT WI02 User s Manual 2 2 2 CON USB WT 1 cable to W 02 2 USB connector 3 output connector 4 control LEDp 2 3 Pin Assignments 2 3 1 W 02 1 I Q 2 I 3 Digital Ground Q G 4 WT Frequency Out 5 WT Communication In 2 3 2 CON USB WT l I Q 2 I 5 3 Digital Ground 2 4 Frequency Out 5 WT supply n c see chapeter 4 2 2 KEM WT W102 User s Manual 3 Installation 3 1 Mechanical Screw the W 02 manually without tools into the pickup thread of the flow sensor until you reach the stop Turn the W 02 back by 90 Fix the lock nut Note Screwing in the W 02 with too much force can damage the pickup tip 3 2 Electrical Make sure that the flow meter is grounded Note The housing of the W 02 is connected to the shield of the cable In bigger systems a separate grounding of the meter might be required for avoiding high currents in the cable shield In that case the shield might be left open or grounded via a capacitance of e g 100nF to avoid ground loops Note Inproper grounding and shielding may lead to bad EMC behaviour or danger to your health Connect the W 02 via a shielded cable to the control unit The W 02 is specified for a supply voltage of 15 V or 24 V and wi
10. h can be used either as a switch or frequency output The frequency output is freely scaleable for a calibration to the volume flow independent of the type of flow meter The W 02 have an interface integrated in the M12 sensor plug The interface adapter and remote software KEM EasyControl allow for programming the operating parameters and to read the input frequency The output frequency and current can be linearized with up to 10 points The W 02 is supplied either with standard settings or adjusted to a specific flow meter 1 2 Safety 1 2 1 General Safety All statements regarding safety of operation and technical data in this manual will only apply when the unit is operated correctly in accordance with this manual The data for Ingress Protection IPxx will only apply when all connectors are caped properly with the corresponding counterpart with the same or better IP rating Cable glands must be populated with cables with the specified diameter and closed properly During operation all openings of the housing must be closed unless otherwise noted in this manual All connections to the load and to the supply must be made with shielded cables unless otherwise noted in this manual This unit must be grounded This unit must be supplied by a safety approved power supply with outputs which comply with Safety Extra Low Voltage SELV As a protection against fire in the positive supply a fuse with a current rating not higher than th
11. ll operate at supply voltages from 12 V up to 30 V Note Make sure that all cable and wires are connected and fixed properly before applying power to the W 02 For the electrical connections refer to the drawings in chapter 4 1 3 3 Ex Installation The W 02 Ex is intrinsically save when operated with zener barriers Mount the W 02 as described in chapter 3 1 Connect the W 02 to suitable zener barriers Note When used in hazardous areas the W 02 must not be connected to any circuitry except suitable zener barriers K ppers Elektromechanik GmbH WT W102 User s Manual 4 Operation 4 1 Normal operation The W 02 is ready to use and does not require any special settings If changes of the K factor for the analogue output or of the operational mode are required please refer to chapter 4 2 4 4 1 1 Using the 4 20mA loop only The W 02 operates as a passive 4 20mA sensor with 2 wire connection Connect the W 02 according to the figure below 1 gt 24 V 12 50 V OV WT Note For this mode of operation the analogue mode must be set to Input Frequency This is the default setting The frequency mode can be set to OFF 8 KEM WT W102 User s Manual 4 1 2 Using the 4 20mA loop and the digital output In this mode the W 02 operates as a passive 4 20mA sensor with auxiliary optically isolated open collector output Connect the W 02 according to the figure below 24
12. that with the highest number and confirm with OK ComPort 12 KEM WT WI02 User s Manual Click COM Connect KEM EasyControl ComPort Disconnect The main menu now shows device name serial number and SW version of the WT and EasyControl is ready to be used KEM EasyControl For ending the remote control of the WT click COM Disconnect For finishing EasyControl click EXIT K ppers Elektromechanik GmbH 13 WT WI02 User s Manual 4 23 Reading the input frequency During normal operation it is possible to read the input frequency without disturbing the analogue 4 20mA signal In the main menu a single frequency measurement can be performed by clicking Single measurement In the menu Continuous measuring the actual input frequency is displayed continuously with 1 measurement per second Input Frequency fooss Hz Return to main graph Fmin f1 Hz Fmax 100 Hz time interval in sec Tit f1 A number of values Num 100 graph The frequency over time can be displayed as a graph Set the 4 parameter for the graph and start the measurement by clicking graph When the graph is finished the total set of values can be stored in a file Click store If required name and location of the file can be set individually 14 KEM WT WI02 User s Manual
13. ue with the arrows up and down to the measured current Click Confirm The 20 mA point is calibrated the same way Note Changing the device settings is only possible with the KEM master password 16 KEM WT WI02 User s Manual Linearisation In the linearization menu a linearization of the analogue output and the corrected frequency output can be defined Linearization Linearization M Frequency Points Value in Hz Error in Value in Hz Error in Frequency t 1 or comimf Femeny o oo A ci Frequency 2 5 A 03 comimf Frequency o oo A ci Frequency 3 fo 00 comimf Freqvency fo bo A ci Fiequency fo I oo confirm Femenys fo foo contin Frequency o oo contin Freauencyi fo foo contin 4 Starting at frequency 1 up to 10 couples of input frequency and frequency error can be specified Each couple has to be confirmed by clicking confirm The value error is defined as the deviation of the input frequency from the ideal input frequency Note Starting at frequency 1 the frequency value for each couple must be higher than the value of the previous one The remaining non used couples are specified by 0 as frequency value K ppers Elektromechanik GmbH 17 WT W102 User s Manual 5 Service and Maintenance 5 1 Maintenance The W 02 does not require regular maintenance For best performance howe
14. ver we recommend checking the calibration of the analogue output every 5 years in harsh environments even more frequent A recalibration can be performed by using the CON USB WT plus KEM EasyControl or at KEM 5 2 Trouble shooting In case the W 02 does not work properly first check the following items No output signal All cables properly connected gt connect the missing cables W 02 properly mounted gt Check mounting position and if necessary mount the W 02 properly Output frequency too low All cables properly connected gt reconnect the loose cables Meter working properly gt Check and if necessary replace the meter Output frequency too high or unstable Most probably EMC problems Shield and ground properly connected gt Connect shield properly If necessary try additional means of grounding and shielding 5 3 Service The W 02 does not contain any user serviceable parts In case of malfunction please contact your nearest dealer or directly KEM For the addresses see chapter 6 5 18 KEM WT W102 User s Manual 6 Listings 6 1 Warranty KEM warrants material and production for a period of 18 months after installation and start up max 24 months from delivery date 6 2 Declaration of conformity See separate sheet 6 3 Technical Data Analogue signal Type Resolution Supply voltage Allowable load Operating modes Digital output Type Protective resistor Frequency range
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