DFT - Compact Paddle-Wheel Flow Sensor User Manual
Contents
1. Error code Reason Reset E102 User unit may not be s0 Correct parameter eua Din betwee upper and wer analogue val Care parameter E162 Hysteresis too large Correct parameter E242 Frequency must be between 0 2 and 2000 Hz Correct parameter E245 Calculated pulse value out of valid range Correct parameter M100 Overflow Acknowledge with PGM button HEHH Value does not fit in the display Choose suitable measuring unit ZED K K04 0310 page 17 ZED K 8 Relay Functions 8 1 Switching characteristic limit value MV sxSPoint sxSPoint sxHyste REL Sx 8 2 Switching characteristic window MV sxFPoint sxHyste sxFPoint sxSPoint sxSPoint sxHyste page 18 ZED K K04 0310 ZED K 9 Technical Information Display Display rate Flow display Flow units Measurement input Parameter input Parameter protection Control elements Customer comparison Control input Relay outputs Voltage supply Analogue output Apparent power Ambient temp Dimensions Aperture size Casing material Protection type Mounting Connection Weight ZED K K04 0310 2 x 8 digit alphanumeric LCD module illuminated 1s 3 or 4 digit XX X X XX or XXXX mL s mL m L s L m L h m m mh GPM US GPH US user unit per h min s selectable 0 2 2000 Hz 5 24 Voc TTL PNP NPN Namur menu controlled German or English 4 digit password2. 3 keys by entering frequency and measured value or in the Teach In procedure level calibration reset function 2 x changer 2 x N O contact DF KL max 250 Vacmpc 5 A 1000 VA 24 Vpc 20 96 approx 80 mA or 90 250 Vac max 3 VA 0 4 20 mA Load max 500 O 300 O at AC supply or 0 10 V Load 100kQ 15 V at 24 Vpc max 50 mA 12 V AC supply max 50 mA 20 70 C 96 x 96 x 109 mm LxWXxD incl screw clamp control panel installation 117 x 117 x 127 mm LxWxD field casing 92 8 x 92798 mm control panel installation fibreglass reinforced Noryl control panel installation powder coated aluminium PA 66 field casing IP 40 on front clamp IP 00 control panel installation IP 65 field casing with mounting clip Form B DIN 43 835 control panel installation wall and pipe mounting field casing plug in terminal strip control panel installation cable connection field casing approx 360 g control panel installation approx 1240 g field casing page 19 ZED K 10 Order Codes Order example ZED ZF10 KS AR P Supply Model Electrical connection Analogue output Casing 90 250 Vac ZED KF10 P control panel installation 96x96 mm KS terminal strip AR 0 A 20 mA F field casing 116 x116 mm control panel installation E S field casing with MS cable connection TECUM wall mounting 24 Vpc ZED KF13 M 18 field casing infinitely variable pivotab
3. ALUE INPUT e 2 e 2 e 3 e a e e a 4 gt 7 eon FLOW ALUE INPUT e 4 mim GPH e 4 FREQUENCY INPUT COUNTING PULSES e 4 INPUT e 4 ISELECTION mi oa no no ZED K rn T H Bz di ef 9 535 1 T u u soos a N SHF page 15 ZED K USER CALIBRATION Menu Item Function Description CAL Freq Calibrate by entering frequency and flow In the menu item CAL Freg the bottom line always shows the current pulse value of the User calibration Calibration process a FlowVal Enter nominal flow value of the sensor gt e press gt b FlowUhnit Enter unit for flow value gt e press gt c Freq Val Enter nominal frequency gt finish with e The new pulse value of the User calibration is calculated from these three values and saved as user calibration for the flow measurement e g 20 2757 pls litre CAL Vol Calibration process using impulse counting and volume input cc procedure In the menu item CAL Vol the bottom line always shows the current pulse value of the User calibration Calibration process a PulseCnt measures number of impulses e press gt start counter impulses are counted gt e press gt stops counter b Vol Val Enter measured volume value gt e press c Vol Uni
4. by using the keys can also be blocked The set parameters can be protected against unauthorized alteration by using a password function page 4 ZED K K04 0310 6 Electrical Connection ZED K 6 1 ZED K field housing and control panel installation Namur mu c 2 al Power F Input 14 d c 13 GND 12 d c 11 GND 10 Sensor supply 9 GND 8 0 10 V 7 0 20 mA 6 5 4 GND 3 LL 2 T 1 PNP 7 supply Don t connect the clamp S2 S1 or AC orAC 6 2 DF KLxxx cable connection Wire number ZED K electronics 24 Vpc GND 4 20 mA 0 10 V GND S1 N O S1 COM S1 N C S2 N O S2 COM olelel sola sers S2 N C Dont connect the wire ZED K K04 0310 page 5 ZED K 6 3 Connection example PNP Sensor NPN Sensor Sensor supply Sensor supply GND 5 GND a 7 S PNP Es Namur Sensor 14 13 Sensor supply Namur F Input page 6 ZED K K04 0310 7 Operation and Menu Structure ZED K 7 1 General Only the menu items of which the lines are marked in the selection matrix in the right position in grey colour are available in the respective instrument version Italic written values in the menu structure are blinking in th
5. customer supplied V 5 24 VDC PDF Rev 3 14 DFT 4 3 1 4 DET w Controller Please refer to the appropriate ZED display controller manual provided separately 3 1 5 DFT w PNP Pulse or Analog Output Please refer to the appropriate connection information as noted on the label of the device 3 2 Mechanical Installation 3 2 1 The flow direction is indicated by an arrow on the housing Install the instrument with the arrows aligned with the flow direction in your pipes The flow sensor may be mounted in any orientation as long as the axle remains in a horizontal plane 3 2 2 Connect the unit with appropriately sized fittings Take care not to place stresses on the housing Use a wrench to hold the instrument static while you tighten the fittings on your pipe 3 2 3 Should there be small amounts of ferrite contaminants in the medium we recommend the installation of our magnetic filter type MFR or equivalent 3 2 4 Medium should be introduced to the system slowly to avoid pressure surges which could damage the instrument PDF Rev 3 14 5 DFT Operation 4 1 DFT w Pulse Output The device is delivered with a label noting the output frequency at maximum flow You must use this infomation to calculate a k factor to enter into your display device to determine the rate of flow in your system Modification of the sensor by physically modifying or replacing s nsor components due to wear requires factory recalib
6. to a remote location conveniently The optional electronic controllers allow the flow rate data to be indicated locally and have various capabilities such as batching and control switching in addition to an analog output for remote data collection or display The DFT uses a paddle wheel to meter flow The principle of operation is quite simple the paddle wheel rotation is calibrated for flow rate This rotation flow relationship is linear in theory In practice theory is nearly borne out leading to a very precise measuring device Any non linearity is within the stated measurement error of the device The paddle wheel approach to flow measurement has the advantage that the instrument may be installed in any orientation only the flow direction is specified Further this measurement technique is relatively insensitive to small debris in the medium ferritic contaminants however must be avoided PDF Rev 3 14 DFT 2 0 Specifications Table 2 1 Mechanical Data Flow Range Accuracy Media Maximum Pressure Temperature Range Wetted Materials Brass Body PTFE body Table 2 2 Electrical Data 0 05 0 30 GPM to 0 5 12 GPM 2 5 of Full Scale Water and other low viscosity liquids Brass Body 230 PSIG PTFE Body 70 PSIG 4 to 176 F Brass Ceramic or Brass Sapphire POM NBR PTFE Ceramic or PTFE Sapphire with OEM Pulse Flow Transmitter Power Supply Output Type Electrical Connection Environmental P
7. 13 eli 4 AIT sle 60 0 Ln 4 E rit ait BHighFlo e 9 150 Lh IE er Limit E 4 AIT ormal E rit dT 8 0 Lh IE Y 4 A T F 1 Hyste elo 20 Lh IE rit ait E TUUP oint e s 18 0 Lh IE rt GAT 1 0 sec IE 4 A T 20 0 sec E Level 3 Enter change values carry out functions c 3 S Un Darrping Re Dir IMRST BLIFEO Oar BLIFED ALUE INPUT ALUE INPUT E 1 Logic ALUE INPUT ALUE INPUT ALUE INPUT ALUE INPUT ALUE INPUT B 3 ig a 2 2 48 87 al el alo alo eliT 413 eit 44 EL dl ev 4 eliT 4ja eiT Unit GPH Damping wt sec tide Dir Les tutti ST aLiFEO dd BLIFE 0 ZU 51 Char Limit sl Logic normal AR PARERA RAAN lll ZED K if Ana Output current if Ana Output voltage only i s1 Char Window 6571 DF KLxxx ZED K Corf igurati onlevel ZED Devices Activation with P ZED K K04 0310 page 11 ZED K FLOW Menu Item Parameter Function Explanation Values Other m mL s mL m L s L m L h m m m h fUnit Unit of flow indicator GPM GPH UU s UU m UU h The attenuation pacifies the flow indicator fDamoin Attenuation of reading fluctuations in the flow indicator The attenuation value is the approximate equivalent of t
8. KOBOLD DFT Flow Sensor User Instructions KOBOLD Instruments Inc KOBOLD Instruments Canada Inc OBOLD 1801 Parkway View Drive 9A Aviation Pittsburgh PA 15205 Pointe Claire OC H9R 4Z2 412 788 2830 Fax 412 788 4890 514 428 8090 Fax 514 428 8899 www koboldusa com DFT_manual_3 14 1 0 2 0 3 0 4 0 5 0 6 0 7 0 Table Of Contents KOBOLD DFT FLOW SENSOR ei ER EE n N Specifications siende doy a Re add eC tse ood EE 2 1 Mechanical Data 22 El etrical Data sos Med ie Nissen Installation Instructions 3 1 Electrical Installation 3 2 Mechanical Installation OPERA ING aea en der Rache 4 1 DFT w Pulse Output et a Da RS nata EER ed N 4 2 DFT w Analog Output 43 DFT w Electronic Controller Arrival of Damaged Equipment Maintenance s d cep Rf PER sup RO DFT ER 3 EE TEE 7 PDF Rev 3 14 DFT KOBOLD DFT FLOW SENSOR User Instructions CAUTION For safety reasons please read the cautionary information located at the end of the manual before attempting installation 10 General The KOBOLD DFT is intended for use in applications where flow measurement is desired and the pulse output signal is to be transmitted to a remote location The available 4 20 mA current outputs also allow for an output signal to be transmitted
9. cted number by 1 or gt c Select list value e g L m L h m m a Press briefly gt a Select parameter group or parameter or gt b Increase selected number by 1 or gt c Select list value e g mm L h L m Note If no button is pressed for 20 seconds during parameterising the instrument automatically switches back into gt measuring lt mode page 8 ZED K K04 0310 7 3 Character explanation for main menu e Button E Button press shortly press and hold for approx 3 seconds V Button v press shortly A Button A press shortly 7 4 General settings Operating Mode E gt gt MEASURING lt E ZED K K04 0310 Level 1 Choose parameter groups GENERAL AD JUSTM nt e 2 E E EE E E E E EE E E Level 2 Display parameter choose functions Language german Yl a T fUnitFS m3h v 1 a T fvalueF S 2700m3h v V 4 final a 5 o e 3 YL 4 fPlsirev i F 4 4 Te 5 a 5 iut fOverf 100 96 i 4 T Factor factory emi 4 T UserUnit 115 6271 1 4 SPdired s 7 Sai s3 FA FF ze EE an S 5 a S az 2o s 3 s a 39 s 3 io a sa ds a r 5 yer g Sa La LA E j amp x x Fi e E e 23 E e E e E e 3 E
10. ded s2SPoint Relay2 Switchpoint Reading is in the same units as the flow indicator s2Hyste Relay2 Hysteresis Reading is in the same units as the flow indicator 2 f Reading is in the same units as the flow indicator szerelot Relay2 Window point only if s2Char Is set to Window Delays the switching of the relay when the limit value is exceeded s2SDelay Relay2 Switch delay Range 0 0 99 9 sec Delays the switching of the relay when the limit value is undershot s2RDelay Relay2 Reset delay Range 0 0 99 9 sec page 14 ZED K K04 0310 7 7 User alignment and service settings Level 1 Choose parameter groups 4 T Opersting Mode CAL USER 1 a T eC SERMCE ZED K K04 0310 e E E e 3 E E EIE E E Level 2 Display parameter choose functions v l a v 4 4 a Tt 3 Q 3 o Ol o aj m ut vyl aj SecCode o leg gt 2 ini AT ag x D v 4 T TE oo D D 3 3 U E Tm 3 3 qut Restore Default e lt E 4 E E e gt E E e E e 3 4 E e gt E e 4 E e gt LET Level 3 Enter change values carry out functions loval 50 0 L AT Jm YL AT reg val 200 0 Hz P ulseCnt 800 YL AT 4 AT e in i IAEA aum Buh ALUE INPUT ALUE INPUT es oad Prm es
11. ded an M100 report is generated and faded in alternating fOverflV Flow overflow value overflow with the flow indicator The report is saved and can be reset by briefly pressing the PGM key fFactor Select pulse ration Selection of works calibration or user calibration P only for devices Model DF ZLxxx and Model ExxR Customer specific special unit UU UserUnit Special volume unit The value entered corresponds to the number of litres of the special unit e g in the case of the unit Barrel the factor would for example be 115 6271 yes Direct input of switching points s1SPoint and SPdirect Activation of direct input switching s2SPoint is possible using the keys default no The switching points can only be set in the menu Only for ZED devices Device specific parameter is only visible after activation in the SecCode menu item in the SERVICE menu group and can be changed page 10 ZED K K04 0310 7 5 Flow analogue output and relay S1 Level 1 Choose parameter groups Operating Mode FLOW gt mEAsURING lt CE ee EIE E AT ed 4 T ejt AT vi le eit e E e E SIE 213 SIE KLE IE eiE ele elE SIE KLE KLE elE KLE KLE Level 2 Display parameter choose functions er Lh E 4 AIT Camping e s die Y 4 A T e 4 E 4 AIT RST 213 o 4 E mA EIE 4 ait BLIFEO 2
12. e 4 E e a r E e E e e E e 3 E Level 3 Enter change values carry out functions VALUE INPUT VALUE INPUT VALUE INPUT 2 5 3 eO 4 gt 7 4 gt N eO 4 4 N 4 eo ceo H val os 5 8 38 Ty 35 a o 20 200 96 es vd ZED K 6571 KLxxx Corfigurationlevel ZED Devices Activation with PY DF ZEDK page 9 ZED K point GENERAL SETTINGS Menu Item Parameter Function Explanation Values Other Language Select menu language German or English EES Measuring unit for flow mL s mL m L s L m L h m m m h A measurement GPM GPH UU s UU m UU h fValueFS Maximum measuring range value Range 0 00 99 9 _100 9999 for flow measurement Minimum measuring range value Basis lev ales and fons E fMinVal tor flow measurement If the level drops below this the flow indicator goes to 0 Number of impulses per revolution of the sensor wheel or the like M Impulse per sensor wheel ass z fPls rev Necessary for long term period averaging if the readings per revolution vary revolution P AT The function is switched off when the input value is 1 fJumpVD Flow switch value for attenuation Value in 96 basis is fValueFS and fUnitFS P cut off Attenuation does not function if the switch value is 096 Value in 96 basis is fValueFS and fUnitFS If excee
13. e display if they have been chosen for any input The parameter can only be changed if the security code has been entered correctly The message locked will appear if the input has not been activated 7 2 Function of the control keys Operating mode gt Measure lt Press briefly gt a Display total quantity then Display corresponding scale unit or gt b Reset status reports Press for 3 sec 2 Switch to operating mode gt Parameterise lt v Press for 3 sec 2 Enter switching point for Relay S1 Press briefly gt Display min flow value MIN value memory s1SPoint only if parameter SPdirect is set to yes a only when parameter Press for 3 sec gt Enter switching point for Relay S2 Press briefly gt Display max flow value MAX value memory s2SPoint SPdirect is switched to yes ZED K K04 0310 page 7 ZED K a Press for 3 sec 2 Sets min and max value memory to flow value only when parameter FMMReDir is switched to yes Operating mode gt Parameterize lt Press briefly gt a Open parameter group or gt b Change parameter go lower in menu level or gt c Adopt value input Press for 3 sec 2 Abort input and go back one menu level Q Press briefly gt a Select parameter group or parameter or gt b Reduce sele
14. ensor Make a Fail safe System Design a fail safe system that accommodates the possibility of switch or power failure In critical applications KOBOLD recommends the use of redundant backup systems and alarms in addition to the primary system PDF Rev 3 14 Operating Instructions for Evaluation Electronics Model ZED K and DF KLxxx KET NO ZED K 1 Contents NESCIRE ES 2 2 INDIE ea aan EE EE EO tr OE EO 3 3 Instrument nspecllOri rn a ken ed 3 4 Regulation U Se rece real reete eater eaten ea es 3 Ds OMS AUN Pnpclple ner eoe sn encens 4 6 Electrical Connections adero ES Monto uv op rc 5 6 1 ZED K field housing and control panel installation 5 6 2 DF KLxxx cable connectlon es se ee nn 5 6 3 Connection example u a rennen 6 7 Operation and Menu Structure ce a a kn 7 felh SEER DIE Dr n u n r doo u tele Ds 7 7 2 Function of the control keys 7 7 3 Character explanation for main menu 9 fA General Setlings ccc BOD IIa 9 7 5 Flow analogue output and relay S1 11 126 Relay Szenen een 13 7 7 User alignment and service settingS 15 T8 ae Hi eed ONE EE EE OG DT 17 8 Relay Functions SEE N Ge DO Ge Ge EG de Gee GR Ge De nn 18 8 1 Switching characteristic limit value 18 8 2 Switching character
15. he setting time ping of the display value to c 90 of a measured value jump in seconds Parameter is blocked at DF ZLxxx devices yes direct resetting of the Min Max value memory by simultaneously fMMReDir Reset the Min Max flow value directly using the keys pressing 3 sec the and keys default without using the menu no memory reset only possible with fMMRST Reset the Min Max flow value memory of the flow yes Resets Min Max value memory for the flow fMMRST n R indicator no No action ANALOGUE OUTPUT Menu Item Parameter Function Explanation Values Other aLIFE 0 Select Life Zero Offset at power output 0 mA or 4 mA at 0 10 V 0 mA 0 V and 4 mA 2 V aLowFlow Flow reading at 0 4 mA or 0 2 V Lower flow reading of gauged output range value has the same unit as the flow indicator aHighFlo Flow reading at 20 mA or 10 V Upper tow reading of gauged output range value has the same unit as the flow indicator RELAY S1 Menu Item Parameter Function Explanation Values Other Limit Monitoring a reading s1SPoint s1Char Relay1 Switch characteristic Window Monitoring an adjustable measuring range s1SPoint s1Fpunkt siLogic Relay1 Switch logic normal Relay 1 activated when the limit value is exceeded 9 y 9 invers Relay 1 drops out when the limit value is exceeded s1SPoint Relay1 Switchpoint Reading is in the same units as the flow indicator s1Hyste Relay1 Hysteresis Reading is in the same units as the flo
16. istic window sse eee eee eee eee 18 9 Technical Informations senne e ee 19 10 Order COdGS ze ar GO A hk 20 11 DIMENSIONS 3 RE SE ee E E bao durs ds ou bon qu qu o d Ead 20 12 Declaration of Conformance ss 21 Manufactured and sold by Kobold Messring GmbH Nordring 22 24 D 65719 Hofheim Tel 49 0 6192 2990 Fax 49 0 6192 23398 E Mail info de kobold com Internet www kobold com page 2 ZED K K04 0310 ZED K 2 Note Please read these operating instructions before unpacking and putting the unit into operation Follow the instructions precisely as described herein The devices are only to be used maintained and serviced by persons familiar with these operating instructions and in accordance with local regulations applying to Health amp Safety and prevention of accidents When used in machines the measuring unit should be used only when the machines fulfil the EWG machine guidelines 3 Instrument Inspection Instruments are inspected before shipping and sent out in perfect condition Should damage to a device be visible we recommend a thorough inspection of the delivery packaging In case of damage please inform your parcel service forwarding agent immediately since they are responsible for damages during transit Scope of delivery The standard delivery includes e Electronics for measuring and monitoring model ZED K and DF KLxxx e Operating Instructions 4 Regulation Use Any use of the Evaluatio
17. le R field casing with 2 pipe mounting The order details of a ZED electronics in combination with a flow sensor can be found in the data sheet of the measuring device 11 Dimensions ZED K control panel installation casing P page 20 ZED K field housing ZED K K04 0310 ZED K 12 Declaration of Conformance We KOBOLD Messring GmbH Hofheim Ts Germany declare under our sole responsibility that the product Evaluation Electronics Model ZED K and model DF KLxxx to which this declaration relates is in conformity with the standards noted below EN 61326 1 2006 10 Electrical equipment for control and instrumentation technology and laboratory use EMC requirements industrial area DIN EN 61010 1 2002 08 Safety requirements for electrical measuring control and laboratory instruments EN 60529 DIN VDE 0470 1 1992 11 Protection type housing IP Code Also the following EEC guidelines are fulfilled 2004 108EC EMC Directive 2006 95 EC Low Voltage Directive TN LE oom Nus Hofheim 22 April 2008 i H Peters M Wenzel General Manager Proxy Holder ZED K K04 0310 page 21
18. ment fittings rigid with a correctly sized wrench Do not install by twisting the instrument into the pipe fittings e Do NOT install by holding the device housing to provide counter torque to the pipe fitting f Use an appropriate amount of PTFE tape on male threads of fitting This reduces the twisting stresses produced by tightening the fittings into each other g Do not use pliers or wrenches on the housing as this may damage it h Do not overtighten as this may fracture the fittings PDF Rev 3 14 11 DFT While Operating the Flow System During operation there are a number of situations to avoid a The sudden cessation of fluid flow causes what is typically referred to as water hammer Most people are familiar with this phenomenon from their home experience it is the cause behind the loud clank of water pipes which occurs when faucets are turned off too suddenly The cause behind this water hammer is quite easy to visualize Water is fairly massive The amount of water in long runs of pipe is quite substantial When the faucets are turned off suddenly especially from a full on condition the water has considerable momentum and does not want to stop flowing The situation is similar to stopping a car by running into a wall rather than by applying brakes Both are sudden rather than gradual The damage to the wall can be substantial not to mention the car b The water hammer causes surges in fluid pressure
19. ment under these circumstances If your claim is refused please contact Kobold Instruments for further advisement 6 0 Maintenance The KOBOLD DFT requires little maintenance provided the measured medium is kept free of contaminants In particular ferritic pollutants can cause problems for this device due to the incorporation of magnets into the paddle wheel To avoid this we recommend the installation of a magnetic filter such as Kobold s model MFR or equivalent Do NOT tamper with the electronics as this voids your warranty 7 0 Need help with your DFT Flowmeter Call one of our friendly engineers at 412 788 2830 PDF Rev 3 14 DFT PDF Rev 3 14 9 DFT Caution PLEASE READ THE FOLLOWING GENERAL FLOW METER MONITOR WARNINGS BEFORE ATTEMPTING INSTALLATION OF YOUR NEW DEVICE FAILURE TO HEED THE INFORMATION HEREIN MAY RESULT IN EQUIPMENT FAILURE AND POSSIBLE SUBSEQUENT PERSONAL INJURY PDF Rev 3 14 DFT 10 User s Responsibility for Safety KOBOLD manufactures a wide range of process sensors and technologies While each of these technologies are designed to operate in a wide variety of applications it is the user s responsibility to select a technology that is appropriate for the application to install it properly to perform tests of the installed system and to maintain all components The failure to do so could result in property damage or serious injury Inspect instrument for damage upon arrival Cracked fract
20. n Electronics model ZED K and DF KLxxx which exceeds the manufacturer s specification may invalidate its warranty Therefore any resulting damage is not the responsibility of the manufacturer The user assumes all risk for such usage ZED K K04 0310 page 3 ZED K 5 Operating Principle The evaluation unit changes the frequency signal of the pickup into a flow reading and into a scalable analogue signal The top display line of the double spaced display shows the flow value with measuring unit and the bottom line a bargraph indicator proportional to the measuring value The two relays with floating output changeover contacts continuously monitor the flow values Switching point hysteresis a window point and switch on or off delay can be set separately for each relay The switching points can also be set directly by using the control keys without having to change over into the menu A red LED indicates the switching status The analogue output is optionally available as current output with 0 4 20 mA or as voltage output with 0 10 V The menu languages can be switched between German or English If used where the flow readings change rapidly the display can be pacified and the analogue reading averaged by switching on some software A MIN MAX reading memory determines the extreme readings of the flow The display of the readings and the resetting are achieved by using the keys without having to change into the menu Resetting
21. ration of the unit if the design accuracy is to be maintained 4 1 1 Turning the Unit On The sensor is operational as soon as it is wired into a power supply 4 1 2 Flow Measurement with pulse putput A frequency counting device must be used to read the sensor output and convert that measurement to rate of flow the flowmeter output frequency is directly proportional to flow The sensor k factor calculated previous Wis the number of pulses the sensor generates per gallon of water flow through the sensor and is used to properly scale the display 4 2 DET w Analog Output The device is delivered fully calibrated and ready for use Remember that a zero flow or no flow condition provides a 4 mA output while a 20 mA output is produced at the maximum flow point of the unit s range The output is linear directly proportional with flow within the typical stated accuracy limits of the device 4 3 DFT w Electronic Controller The device is delivered fully calibrated and ready for use Please refer to the appropriate ZED display controller manual provided seperately PDF Rev 3 14 DFT PDF Rev 3 14 7 DFT 5 0 Arrival of Damaged Equipment Your instrument was inspected prior to shipment and found to be defect free If damage is visible on the unit we advise that you carefully inspect the packing in which it was delivered If damage is visible notify your local carrier at once since the carrier is liable for a replace
22. rotection 5 24 VDC 10 mA Maximum NPN Open Collector 0 100 Hz Nominal DIN 43650 Plug IP65 equivalent to NEMA 4 with Electronic Controllers See appropriate ZED manual PDF Rev 3 14 3 DFT 3 0 Installation Instructions CAUTION For safety reasons please read the cautionary information located at the end of the manual before attempting installation Electrical Installation 3 1 1 Make sure that the actual flow rate in your system lies within the flow range of the instrument Flow rates in excess of 120 of the units maximum range will in continuous use lead to bearing and or paddle wheel damage 3 1 2 Ensure that the power supply voltage is in accordance with that specified on the identification tag 3 1 3 DFT w OEM Pulse Output If the sensor is to be used to provide a voltage pulse output a sourcing output pull up resistor MUST be connected between the supply voltage terminal and the open collector output terminal terminals 1 and 3 This resistor should be sized such that the collector to emitter current is nominally 8 mA during the transistor On state Under no circumstances should the collector to emitter current be allowed to exceed 10 mA Electrical connections are made using the standard DIN 43650 plug as specified by the following wiring diagram Diagram 3 1 OEM NPN Pulse Output Wirin V supply R pull up ohms 008 Not Gonn ded Output NPN Pulse R pull up
23. t Enter unit for volume value gt finish with e The pulse value of the User calibration is calculated from these three values and is saved as the user calibration for the flow measurement e g 3900 5 pls L CAL Freq Only possible with ZED devices Note With ZED devices it is necessary to enable the device specific parameter input in the menu Item SecCode in the menu SERVICE in order to activate the CAL USER function page 16 ZED K K04 0310 ZED K SERVICE Menu Item Function Explanation Values Other SecCode Enter security code Input of 4 digit security code Input and enablement of the parameter change The following codes have been defined 3461 General menu release 6571 Activates the device specific parameters only ZED and measuring unit as compact version SecCode Change security code Define or change security code for the first time or change change If no code 0000 has been set then the parameter values set are unsecured Save Prm Save parameter record Save current settings Load Prm Load parameter record Restore saved settings reload Restore Reset to works default Load initial setting with password 2541 Default settings ATTENTION For ZED devices the device specific parameters will be overwritten An adjustment provided by the customer will be lost in the process 7 8 Error report
24. ured bent or otherwise damaged instruments must not be put into use since the device is weakened to an unknown extent Refer to Section 5 0 Arrival of Damaged Equipment for additional information Media and Chemical Compatibility The maximum tolerances of the device have been determined using water If using other media especially corrosive media it is critically important that the user determine chemical compatibility with our instruments KOBOLD Instruments Inc cannot accept responsibility for failure and consequences resulting from use of media other than water Material Compatibility Make sure that the model which you have selected is chemically compatible with the application liquids While the meter is liquid and spray resistant when installed properly it is not designed to be immersed Proper Installation in Flow System Install the device in a fully supported position within your flow system This avoids excessive stresses which may damage the instrument In particular a Ensure that the plumbing leading to and from the instrument is fully supported and that the instrument does not perform the physical function of a joint b When calculating stress on the device caused by plumbing the weight of the medium in the pipes must be considered as well c Misaligned runs of rigid piping can cause large stresses when connected to the instrument Do not connect in such a fashion d When connecting fittings hold the instru
25. w indicator Reading is in the same units as the flow indicator SIFkoint Relay Windowpoint only if s1Char is set to Window A Delays the switching of the relay when the limit value is exceeded s1SDelay Relay1 Switch delay Range 0 0 99 9 sec s1RDelay Relay Reset delay Delays the switching of the relay when the limit value is undershot Range 0 0 99 9 sec page 12 ZED K K04 0310 ZED K 7 6 Relay S2 Level 1 Level 2 Level 3 Choose parameter groups Display parameter choose functions Enter change values carry out functions x m x o MN Operating Mode RELA e 2 s2Char s2Char gt MEASURING lt irri elE iow ir im el il s2Logik elE mese el noma lela aug INPUT e t 2 Hyste e 3 HE uj sue ed AT cit pino VALUE INPUT only ifs2 Char Window v YT 52 Delay el 4 E 100 sec e E VALUE INPUT is2RDelay fel elE 200 sec e E VALUE INPUT 3 H BE dllld ZED K K04 0310 page 13 6571 Corfigurationlevel Activation with Pu ZED Devices ZED K RELAY S2 Menu Item Parameter Function Explanation Values Other Limit Monitoring a reading s2SPoint s2Char Relay2 Switch characteristic Window Monitoring an adjustable measuring range s2SPoint s12punkt s2Loaic Relav2 Switch logic normal Relay 2 activated when the limit value is exceeded 9 y 9 invers Relay 2 drops out when the limit value is excee
26. which could cause the measurement instrument s pressure limit to be exceeded resulting in failure and possible personal injury c Fluid surges as well as the water hammer can be particularly damaging to empty flowmeters since there is no back pressure in the device The damage is caused once again by momentary excess pressure To avoid these surges fluid lines should remain full if possible and water flow should be introduced to the device slowly d Ifthe instrument is isolated with inlet and outlet valves the flowmeter must be completely drained when said valves are both closed Failure to do so could result in damage to the device caused by thermal expansion of fluid e Freezing of water in the instrument must be avoided since the resultant expansion will damage the flowmeter and make it unsafe for use Wiring and Electrical Section 2 0 Specifications and Section 3 0 Installation Instructions provide the voltage and current limitations and the wiring for the various sensor types The sensor electrical ratings should never be exceeded Electrical wiring of the sensor should be performed in accordance with all applicable national state and local codes Temperature and Pressure Section 2 0 Specifications provides the temperature and pressure limits for each model Operation outside these limitations will cause damage to the unit and can potentially cause personal injury Fluid should never be allowed to freeze inside the s
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