Home

Manual

1. Actual flow rate K x flow meter reading Correction Pa 14 7 Tc 460 Factors ies ire 14 7 i 460 Continued Pa Actual gas pressure at inlet to flow meter psig Pc Calibrated gas pressure marked on the flow meter dial psig Ta Actual gas temperature at inlet to flow meter F Tc Calibrated gas temperature marked on the flow meter dial F Example Flow meter calibrated for compressed gas air at 100 F and 80 psig reads 100 SCFM at an actual temperature of 70 F and pressure of 85 psig What is the actual flow rate 85 14 7 100 460 K 80 14 7 70 460 ee 1 05 1 06 1 05 Therefore actual flow rate 1 05 x 100 105 SCFM Cutaway View Cutaway View Front Figure 9 M1 Rev H Installation Operation and Manintenance Manual Page 8 Instructions for Setting Reed Switches Option 1S2 or 2S2 Check the meter zero Pointer should point at zero reference point with no flow See Installation Operation and Maintenance Manual M 1 page 4 Remove the back coverplate to gain access to the reed switches and loosen the adjustment clamp screws Connect a continuity tester to the common and the normally open or normally closed terminal on the terminal strip Move the pointer to the desired flow rate either by moving the lever with your fingertip or by establishing the desired flow rate throught the meter Caution Do not flex the lever forward or backward as this will
2. three to four times and observe the pointer motion Pointer should return to zero smoothly Page 5 Operation and Maintenance Page 6 Establish a known flow rate through the flow meter corresponding to approximately 90 of full scale and observe the flow meter indication Move the camfollower up to decrease the pointer indication or down to increase the pointer indication To move the cam follower up rest a screwdriver on the cell block with the blade between the cell block and center shaft Pry gently up on the cam follower To move the cam follower down place the screwdriver on top of the cam follower With the blade resting against the case press gently down Take care not to put excessive forward pressure on the cam follower to prevent the G elip on the pivot shaft from coming off Re zero the flow meter using the cam nut Cam Follower Cam Follower Adjustment Figure 7 Check flow meter indication at 50 of full scale The flow meter should indicate actual flow rate within 3 of full scale If meter does not indicate actual flow consult factory 4 7 Cleaning of Pressure Ports Remove the flow meter housing from the body by removing the 4 screws Remove the pulsation snubbers from the body by inserting a small wood screw into the hole in the pulsation snubbers and gently pull them out Clean the passages in the body and snubbers and reassemble If you are unable to clean without further disassembly the flow meter should
3. 24Vdc supply 24Vdc supply not included use option PS 24 m Fig 1 Typical application Configuration of the unit The display has been designed to be implemented in many types of applications All settings are stored in EEPROM memory and will not be lost in the event of power failure Display information The unit has a large transflective LCD with all kinds of symbols and digits to display measuring units based on application specification when ordered Flowrate and total can be displayed either with the small 8mm digit or with the 17mm digits A backup of the total and accumulated total in EEPROM memory is made every minute M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 5 of 28 2 OPERATIONAL 2 1 GENERAL The digital display may only be operated by personnel who are authorized and trained by the operator of the facility All instructions in this manual are to be observed Take careful notice of the Safety rules instructions and precautionary measures in the front of this manual Caution This chapter describes the daily use of the display This instruction is meant for users operators 2 2 CONTROL PANEL The following keys are available 506 Fig 2 Control Panel Functions of the keys This key is used to program and save new values or settings It is also used to gain access to SET UP level read chapter 3 This key is used to SELECT accumulated total The a
4. Ib cf REV no unit scf Nm3 NL P Alteration of the measurement unit will have consequences for operator and SETUP level values Please note that the Span has to be adapted as well the calculation is not done automatically The flowrate can be calculated per second SEC minute MIN hour HR or day DAY The decimal point determines for total and accumulated total the number of digits following the decimal point The following can be selected 0000000 111111 1 22222 22 3333 333 With the span the flowmeter signal is converted to a quantity The span for flowratel is determined on the basis of the selected measurement unit and time unit at 20mA Enter the span in whole numbers decimals are set with SETUP 25 The more accurate the span the more accurate the functioning of the system will be Example 1 Calculating the span for flowrate Let us assume that the flowmeter generates 20mA at a flowrate of 2 481 3 Liters minute the selected unit is Liters and time unit minute The span is 2481 3 enter for SETUP 24 2481 3 And for SETUP 25 decimals span 2 Example 2 Calculating the span for flowrate Let us assume that the flowmeter generates 20mA at a flowrate of 652 31 USGAL per hour the Selected unit is USG and the time unit is minute The span is 652 31 60 minutes is 10 87183 GPM Enter for SETUP 24 108718 and for SETUP 25 4 This setting determine
5. and frequency output MUST be isolated from each other Transmitter Connections Figure 3 4 1 Test equipment Fluke 9600A digital multimeter or equivalent Non metallic screwdriver Field 4 2 Setup Calibration Remove the back cover plate to gain access to the adjustment pots and the mechanical parts of the flowmeter Refer to the Installation Operation and Maintenance Manual for 4 20 mA dc the Series 7000 and Series 8000 Flo Gage if necessary Remove the housing lens to gain access to the pointer Make all mechanical adjustments before proceeding DO NOT APPLY POWER UNTIL ALL CONNECTIONS ARE MADE Connect 24 V dc power supply positive to terminal 8 and negative to terminal 7 Set multimeter to milliamp scale and connect to terminal 9 and 10 Turn power on Observe current output reading Page 3 Field Calibration 4 20 mA dc Continued Field calibration 0 1000 Hz M2 REV D 0599 Page 4 O Oo 2 assy 4212 REV L__ Transmitter Board Figure 4 4 3 Adjustment pot location Pots VR1 VR2 and VR3 are located just to the right of the terminal strip when viewing the meter from the rear VR1 is adjacent to terminal 10 VR2 is the center pot and VR3 is the rightmost See Figure 4 4 4 Calibration Note The easiest way to set the pointer for calibration of the transmitter is with the vertical lever By manipulating this lever the pointer can be driven up down scale to the desired location simulating the fl
6. distort the set point With the pointer at the desired set point slide the reed switch until the tester changes state The set point range window should indicate a par tial or complete green mark When viewed from the rear move switch to right for upscale and left for downscale Check new set point by moving lever to verify that switching occurs at the desired flow rate Minor adjustments of the switch may be necessary to fine tune to the desired set point Tighten the adjustment clamp screws taking care not to overtighten as overtightening may break the switch Replace the back coverplate See reverse for recommended reed switch electrical protection adjustment clamp screws set point range windows terminal strip DOWNSCALE UPSCALE lt __ Hl FLOW SWITCH INSIDE lo H 0 com it COM I Reed Switch Contact Protection When switching inductive loads such as relays solenoids and transformers reed switch con tacts require protection in order to ensure long dependable life When contacts open the inductance or electrical inertia of the load generates a large high frequency voltage which appears across the switch contacts If the voltage is large enough it can arc causing the contacts to burn weld together or stick The purpose of protecting the circuit is to prevent arcing by shorting this voltage through an alternate path Important Don t be misled by the resistive rat
7. information will be lost the input signal will be processed and the output signal will be generated in the normal way The following cab be selected FAST 1 sec 3 sec 15 sec 30 sec off Example battery life time Battery life time with FAST update about 3 years Battery life time with 1 sec update about 5 years Note after a button has been pressed by the operator the display refresh rate will always switch to FAST for 30 seconds When OFF is switched on as soon as a button has been pressed The unit has two modes operational or shelf After shelf has been selected the unit can be stored for several years it will not process the sensor signal the display is switched off but all settings and totals are stored In this mode the power consumption is extremely low To wake up the unit again press the SELECT key twice M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 16 of 28 The display can process the 4 20mA signal in two ways Interpolation the signal is processed linear R Sxl Square root for differential pressure R SV I1 Where R Rate the calculated flowrate S Span the maximum flowrate at 20mA The span is programmed with setting 24 for flowrate and setting 13 for total Input the scaled analog value in these formulas value 0 zero for 4mA and 1 one for 20mA The analog output signal of a flowmeter does mirror the actual flow This s
8. or blank Low logic 0 Less than 5 VDC Low Battery Error Detection BAT Minimum On 25 msec descriptor Under Over range Indication Flashing Pulse Ouput display The pulse output advances with the least significant digit of the totalizer Environmental Type Opto isolated open collector Operating Temperature transistor 4 F 20 C to 158 F 70 C Max voltage off state 30 VDC Humidity Current on state 5 mA 9 V drop 1 0 90 Noncondensing mA 0 7 drop Accuracy Pulse Duration 15 msec 0 1 Full Scale Resolution 1 Count Pulse Output Rate 25 CPS max Temperature Drift Pulse output divider User selectable 50 ppm C Typical 1 10 200 ppm C Worst Case 100 or off Listing CE Compliant Calibration amp Operation Input Scaling Via front keypad Decimal Point Via front keypad Reset Input Via front keypad or remote dry contact closure Lockout Password Unauthorized menu changes can be prevented by entering a user selectable password 5 digit number If you forgot the password you can access the menu by using the override password 2910 Jumper An internal jumper shunt is provided for applications requiring a sealed menu and totalizer lockout Install the jumper to enable the lock see Typical Wiring Pg 2 M4 Rev E Wiring and Programming Options RW3 DR 1 Page 9 Installation and Startup Instructions Option R2 and R3 with KT 1 and KT 3 Install the body in the piping system according to the Insta
9. surroundings with high humidity above 90 annual mean It is the users responsibility to take all precautions to dehumidify the internal atmosphere of the display in such a way that no condensation will occur for example by placing dry silica gel sachet in the casing just before closing it Furthermore it is required to replace or dry the silica gel periodically as advised by the silica gel supplier Check Periodically The condition of the casing cable glands and front panel The input output wiring for reliability and aging symptoms The process accuracy As a result of wear and tear re calibration of the flowmeter might be necessary Do not forget to re enter any subsequent span alterations check factory programming against model number The indication for low battery will be displayed 5 2 REPAIR This product cannot be repaired by the user and must be replaced with an equivalent certified product Repairs should only be carried out by the manufacturer To return meter for repair contact your supplier for an RMA 5 3 TEST EQUIPMENT Using a Fluke 9600A digital multimeter or equivalent Connect multimeter in series with current loop WARNING Do not adjust span unless you are certain that the meter is reading incorrectly Adjustment pots are marked Z zero and S span 5 4 CALIBRATION PROCEDURE OUTPUT CALCULATION With pipeline pressurized adjust zero pot Z until current reads 4 00mA 0 02mA at no flow Establish a known
10. the downstream connections to the meter Note that the flow meters are calibrated based on schedule 40 pipe connections Tubing and hoses do not have the same ID as pipe and should be transitioned to pipe at least 10 pipe diameter upstream of the flowmeter to achieve rated accuracy FLOW ae i Installation Conditions Figure 2 Avoid placing the flow meter where it will be subjected to water hammer and mount the flowmeter rigidly to minimize shock or vibration Flow meters installed outdoors or exposed to splashing liquids should be ordered with a gasketed case Protect from freezing liquids Installation ABS Housing Aluminum Housing Either Housing 3 1 Safety Considerations Do not exceed the pressure and temperature limits marked on the nameplate of the flow meter Although each flow meter is pressure tested to 150 of nameplate rating overpressure may cause injury leaking or flow meter damage Temperature ratings are determined by the effects on the mechanical linkage elastomer seals and electronics if electronics are fitted If temperature ratings are exceeded the flow meter may be damaged or fail Contact the factory for application assistance for expanded temperature operation 3 2 Changing the Dial Orientation Note the flow direction arrows on the body If necessary change the dial facing direction by removing the four screws holding the body to the housing Do not remove the two screws holding
11. until returning to the run mode Example 1 1 2 71 VUR 60 ARW3 Option RW3 2 wire loop powered transmitter 4 20mA RUN MODE Programming Flowchart ENTER CODE 3 5 or 4 5 RATE DISPLAY DECIMAL LOCATION RATE TOTAL DECIMALS TOTAL DESCRIPTOR kl FT3 RATE DESCRIPTOR scaling put TYPE f lock OFF nja CLEAR TOTAL EJ aL tot dESC ae MIN Press the M key to enter the programming menu If the panel lock is ON you must enter the 4 digit lock code to gain access to the menu Press the A key to increment each individual digit of the code Press the lt key to advance to the next digit Press the E key to enter the displayed code If the code is correct display advances to CLr tot if not display returns to run mode Press the E key to clear the totalizer and return to the Run Mode Press the M key to skip and go to next menu item Press the A key to step to the desired number of digits for the rate display Press the E key to enter the displayed choice Press the M key to skip and keep the existing choice Press the lt key to step the decimal to the next digit Press the E key to enter the displayed decimal location Press the M key to skip and keep the existing choice Press the lt key to step the decimal to the next location Press the E key to enter the displayed decimal location Press the M key to skip and keep the existing decimal locati
12. 25 450 x100 0 3 16mMAx0 3 4mA 4 05mA With this setting it is possible to calibrate the input value for 4mA as the signal from the flowmeter might not be exact 4 0mA at flowrate zero This function will measure the real output value at flow zero Warning be very sure that the offered signal is correct before the calibration is executed as this function has major influences on the accuracy of the system After pressing PROG three settings can be selected CALIBRATE with this setting the input will be calibrated with the actual 4mA value After pressing enter CAL SET will be displayed as soon as the calibration is completed From that moment the analog value must be more than the calibrated value before the signal will be processed DEFAULT with this setting the manufacturer s value is re installed CAL SET to select the last calibrated value With this setting it is possible to calibrate the input value for 20mA as the signal from the flowmeter might not be exact 20 0mA at maximum flowrate This function will measure the real output value at maximum flow Warning be very sure that the offered signal is correct before the calibration is executed as this function has major influences on the accuracy of the system After pressing PROG three settings can be selected CALIBRATE with this setting the input will be calibrated with the actual 4mA value After pressing enter CAL SET will be displayed as soon as the calibration
13. 4 3 Installing the Nardware ccccececeeeeeeeeeeeeeeeeeeeeeeeeeees 4 3 1 Terminal connectors with power SUPDPIY cccceceeeeees 5 Maintenance cccccccececeeeeeeseceeeeeaeseeegsaseeeaeetaeaeaeas 5 1 General directOns sni ir ete nae a ee eae 5 2 Repa esas tute a dae deck ta a wa bee tds aae 5 3 Calibration Procedure ic2ce 2 t sdacesdeceugee decd aprene emised Appendix A Technical specification ccccccceeeeeeeeceaeeeneeees Appendix B Problem SOIVING ccccceeeeceeee encase eeeeeeeeeaeneneas Index of this MANUAl cece ccc cece cece cence eee eset eee ea ease een eaeaee een ed List of figures in this Manali 203 0s25 casuals Dados nancecdeeuwewoneeee tenses Configuration setting liSt cccccc cece ec eceeeeee cence ee eeeeeeeenenenes M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Riga teantedans 23 ar E 26 Page 4 of 28 1 INTRODUCTION 1 1 SYSTEM DESCRIPTION Functions and features The flowrate totalizer is a microprocessor driven instrument designed to display flowrate total and accumulated total as well as to generate a scaled pulse according the accumulated total Flowmeter input This manual describes the unit with an analog 4 20mA input from flowmeter One flowmeter with a passive or active 4 20mA signal output can be connected to the display The display is powered by a 2 wire loop powered transmitter and
14. IN THIS MANUAL Fig 1 Typical application for the display cccceceeeeceeeeeeeeeenenees Fig 25 COO Dail sits r Ra a ara E a EE a EE manna metas Fig 3 Example of display information during process cceceeeee ees Fig 4 Example of low battery alarm cccccccccccceeeeeeeeeeeeeaeeeeeeeeas Fig 5 Installation and site selection requirement cceceeeeeeeeeeees Fig 6 Overview of terminal connectors and options eceeeeeee ees Fig 7 Wiring connection RW3 option cccceceeeeeeeeeeeeeeeeeeeeeeaeeees Fig 8 Wiring connection DR 1 amp W2 W3 option cceceeeeeenee eee es Fig 9 Flow to current output 4 20MA Chart ccc cc cc ec eeeeeeeeeeeees M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 21 18 7 8 10 23 O 26 26 19 19 8 26 28 10 19 24 21 14 14 14 20 Page 27 of 28 Enter factory settings here L 0000000 22222 22 0001600 sec sec sec 0 Enter factory settings here L min 0000000 LO 0 22222 22 Enter factory settings here ia es operational operational sd Enter factory settings here interpolation 01 off 01 off 00 0 15 Default 400mA o Enter factory settings here oo0ses of 0000000 ee 1000 L ee Enter factory settings here 0000 es es M4 Rev F Installation
15. INSTALLATION OPERATION AND MAINTENANCE Threaded and Wafer Style Flowmeters Table of Contents 1 Principle of Operation 00e 2 Installation Planning cceeeeeeeee ne 3 IS TANAUNG NM yccsientaccanantcecianeincecnican saatetedas 3 1 Safety Considerations 0068 3 2 Changing the Dial Orientation 3 3 Changing from Horizontal to 3 4 Threaded BodieS 0 sccseesccesectncadess 3 5 Wafer style Bodies cc0eceeee f 4 Operation and Maintenance 4 1 Preventative Maintenance 4 2 Checking Zero ccccec ec eeeceeeaeaeees 4 3 Checking the Pointer Preload 4 4 Coarse Zero Adjustment 665 4 5 Fine Zero Adjustment 0000e 4 6 Flow Calibration cccceceeeeeee ees 4 7 Cleaning of Pressure Ports 4 8 Adjustment of Reed Switches 5 Troubleshooting cccececeeeeeeeeeeeeeeeees 5 1 Pointer Fluctuation cccccceeeeee 5 2 Zero SMM Ses dca to cartaecastacanuateakckunsacets 5 3 Sluggish Meter Response 6 Correction Factors cccccecseseeeeeeeees 6 1 Liquid Service c ce cccc eee ee ee ee eees 6 2 Compressed Gas Service 7 Cutaway Vie Weiss ciccicsiiecne icncnsnvcnencacnnnunnen Figures Figure 1 Wafer style flowmeter Figure 2 Installation condi
16. M is displayed press the SELECT key to display the reason of the alarm 1 3 Please Appendix B problem solving M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 8 of 28 3 CONFIGURATION 3 1 INTRODUCTION This and the following chapters are exclusively meant for electricians and non operators In these an extensive description of all software settings and hardware connections are provided Mounting electrical installation start up and maintenance of the instrument may only be carried out by trained personnel authorized by the operator of the facility Personnel must read and understand this Operating Manual before carrying out its instructions The display may only be operated by personnel who are authorized and trained by the operator of the facility All instructions in this manual are to be observed Ensure that the measuring system is correctly wired up according to the wiring diagrams The housing may only be opened by trained personnel Take careful notice of the Safety rules instructions and precautionary measures in the front of this manual Caution 3 2 PROGRAMMING SETUP LEVEL 3 2 1 GENERAL Configuration of the display is done at SETUP level SETUP level is reached by pressing the PROG ENTER key for 7 seconds at which time both arrows A V will be displayed In order to return to the operator level PROG will have to be pressed for three seconds Alternately if no keys are pressed fo
17. P 54 55 Do recalibrate the input if desired Alarm When the flag starts to blink an internal alarm condition has occurred Press the select button several times to display the 4 digit error code The codes are 0001 irrecoverable display data error data on the display might be corrupted 0002 irrecoverable data storage error the programming cycle might have gone wrong check programmed values 0003 error 1 and error 2 occurred simultaneously The alarm condition will almost certainly be handled internally and if all mentioned values still appear correct no intervention by the operator is needed If the alarm occurs more often or stays active for a longer time please contact your supplier Output malfunction If the display does not indicate a rate and total the problem maybe a plugged pressure which prevents the differential pressure sensor transducer from providing the 4 20mA signal to the display If the pressure sensor is plugged the unit will need to be returned for extensive cleaning and or replacement Pressure Port Cleaning Remove the housing from the body by removing the four screws Remove the pulsation snubbers from the body by inserting a wood screw into the hole in the pulsation snubbers and gently pull out Clean the passages in the body and snubbers using a probe and or compressed air to free debris and sediment If you are unable to clean without further disassembly the flow meter should be returned to the supp
18. accordance with EMC guidelines Electro Magnetic Compatibility Do connect a proper grounding as indicated if the digital display has been supplied with an aluminum casing The green yellow wire between the back casing and removable terminal block may never be removed DISPOSAL At the end of its life this product should be disposed of according to local regulations regarding waste electronics equipment If a battery is present in this product it should be disposed of separately The separate collection and recycling of your waste equipment will help to conserve natural resources and ensure that it is recycled in a manner that protects the environment SAFETY RULES AND PRECAUSTIONARY MEASURES The manufacturer accepts no responsibility whatsoever if the following safety rules and precautions instructions and procedures as described in this manual are not followed Modifications of the digital display implemented without preceding written consent from the manufacturer will result in immediate termination of product liability and warranty period Installation use maintenance and servicing of this equipment must be carried out by authorized technician Check the mains voltage and information on the manufacturers plate before installing the unit Check all connections settings and technical specifications of the various peripheral devices with the digital display supplied Open the casing only if all leads are free of potential Never touc
19. and Programming Instruction Manual Options RW3 DR 1 Page 28 of 28
20. be returned to the factory for service Reassemble the flow meter housing to the body in the desired viewing position Take care to properly seat the inner and outer o rings before tightening screws 4 8 Adjustment of Reed Switches Check the flow meter zero and correct if necessary using the coarse or fine zero procedure before proceeding Connect continuity tester to N O contact Loosen the switch clamp Establish the desired flow rate for switch tripping Slide the switch to the left most position Range window should show a partial or complete green mark Slowly slide to the right while monitoring N O contact Switch will close Continue to slide to the right Switch will open false trigger Continue to slide to right until switch closes again Adjust by sliding to the right to raise set point left to lower Tighten clamp Note Tiny adjustments may be required to reach the desired set point i lt 4 gt iS H 4 re A _ H COM Kia A con i Reed Switch Adjustment Figure 8 Trouble shooting Correction Factors 5 1 Pointer Fluctuation Mechanical fluctuation of the pointer is usually a symptom of excessive turbulence in the pipeline This is frequently caused by valves or fittings installed too close to the flow meter inlet If moving the meter is not practical snubbers with smaller holes heavy duty snubbers can be installed to increase the mechanical dampening of the flow meter Pulsati
21. cale The pointer should stop at full scale If the pointer goes beyond full scale adjust with the cam nut following the COARSE ADJUSTMENT procedure Otherwise go to the FINE ADJUSTMENT procedure 4 4 Coarse Zero Adjustment If necessary to restore spring preload place a small screwdriver in the slotted pointer hub Grip the pointer close to the hub on both sides of the hub and rotate the hub approximately one quarter turn clockwise with respect to the pointer Check preload by rotating the pointer CCW toward full scale When properly adjusted the pointer should stop at full scale Operation and Maintenance Continued Release the pointer Using the cam nut adjust the lever so that the pointer points to the zero reference point Check the position of the stop nut Applying force to the stop nut manually move the center shaft to the right as seen from the rear and make certain that the stop nut contacts the cell block when the pointer stops If necessary adjust the stop nut to stop the pointer near the 6 o cfock position The factory set point is the YU in USA CENTER SHAFT STOP NUT CELL CaP a CELL BLOCH Cam Nut and Stop Nut Figure 6 IMPORTANT The stop nut must stop the center shaft movement before the bellows hit the cell cap If the bellows hit the cell cap the bellow or cap can be damaged causing leaking or meter error Adjust the cam nut until the pointer points at the zero reference point Gentl
22. day 23 DECIMALS 0 1 2 3 Ref displayed value 0 000001 9 999 999 unit time unit 25 DECIMALS elspa o o 32 BACKLIGHT off green amber epon O S S 33 BL Romes eooo 41 LCD UPDATE T UPDATE fast 1 sec 3 sec 15 sec 30 sec off 42 BATTERY operational shelf En MODE ne 61 PULSE WIDTH 0 001 9 999 sec DECIMALS 5 er 0 1 23 _ 63 IMPULSE PER X quantity 75 TAG NUMBER 0000000 9000099 M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 13 of 28 SETUP 11 Determines the measurement unit for total accumulated total and pulse output The following units can be selected L m3 kg lb GAL USGAL bbl no units Alteration of the measurement unit will have consequences for operator and SETUP level values Please note that the Span has to be adapted as well the calculation is not done automatically The decimal point determines for total and accumulated total the number of digits following the decimal point The following can be selected 0000000 111111 1 22222 22 3333 333 With the span the flowmeter signal is converted to a quantity The span for Total is determined on the basis of the measurement unit setting 11 and the flowrate per second at 20mA Enter the span in whole numbers decimals are set with SETUP 14 The more accurate the span the more accurate the functioning of the system wi
23. e decrease of the flowrate trend Clear total The value for total can be re initialized To do so press CLEAR twice After pressing CLEAR once the flashing text PUSH CLEAR is displayed To avoid re initialization of total DOES NOT influence the accumulated total Display accumulated total When the SELECT key is pressed total and accumulated total are displayed The accumulated total cannot be re initialized The value will count up to 99 999 999 999 The unit and number of decimals are displayed according to the configuration settings for total Low battery alarm When the battery voltage drops it must be replaced At first low battery will flash but as soon as it is displayed continuously the battery must be M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 7 of 28 replaced shortly after Only original batteries supplied by the manufacturer may be used or else the guarantee and liability will be terminated The remaining lifetime after the first moment of indication is generally several days up to some weeks TOTAL m a MIUIC C D we 18539 L MIN Fig 4 Example of low battery alarm Range error As soon as the input value is 5 outside the calibrated measuring range ALARM will be displayed Meanwhile the calibrated value will be displayed After pressing the SELECT key the reason of the alarm will be displayed LO RANGE or HI RANGE Alarm 01 03 When ALAR
24. e pair of wires carries the frequency signal to the peripherals If the current option is fitted an additional pair of wires is required to carry the current output 3 1 Limit switch interfacing Power is required to the transmitter board in order for the limit switches to operate When no power is available both switches are open and do not close regardless of the flow rate LO Switch When power is applied at zero flow the LO switch closes As flow increases to the set point the LO switch opens HI Switch When power is applied at zero flow the HI switch remains open As flow increases to the set point the HI switch closes Each switch can be independently set to anywhere in the range Therefore the terminol ogy of HI or LO is purely arbitrary The user can achieve the desired fail safe system wiring by reversing the convention if necessary As a result the relays can be wired to suit most system or alarm applications Internal 24V 4 20mA Loop i e Control Panel Batch Controller etc or other device requiring 4 20mA signal 24Vdc with 800Q max impedence 24 Vdc IN v lO Internal Voltage Regulator 7 Frequency output to frequency counter or other control driven by frequency signal 0 1KHz 5 1Vp Low Output SO Any switched device i e bells buzzers lamps computer controller inputs etc Not to exceed 3A 24Vdc 1A 117Vac 6 0 5A 230Vac High Output Q NOTE ALL GROUNDS 24Vdc in 4 20 mA
25. eck proper connection before startup with respect to high and low pressure ports reversing the connection may result in damage to the indicator assembly orton R2 accessory KT KT 1 KT 3 CUSTOMER SUPPLIED TUBING Figure 2 Remote Mount Aluminum Housing M5 Rev F Installation Instructions Option R2 and R3 Page 2 Wiring amp Programming Instruction Manual Options RW3 amp DR 1 FLOWRATE INDICATOR TOTALIZER WITH SCALED PULSE OUTPUT Signal input flowmeter 4 20mA Output One scaled pulse ref accumulated total Optional Backlighting Amber and Green 5 DNV Page 1 of 28 M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 SAFETY INSTRUCTIONS Any responsibility is lapsed if the instructions and procedures as described in this manual are not followed LIFE SUPPORT APPLICATION The digital display is not designed for use in life support appliances devices or systems where malfunction of the product can reasonably be expected to result in a personal injury Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify the manufacturer and supplier for any damages resulting from such improper use or sale Electro static discharge does inflict irreparable damage to electronics Before installing or opening the unit the installer has to discharge himself by touching a well grounded object This unit must be installed in
26. eeeeeeeeeeneenaeenes Contents manual ba ccc suek es etal tle act As atthe teat Set alts 1 Introduction csser secainat eodestdenedae Oaa Oa AIRA 1 1 System description of the display ccccceeeeeeeeeeenes 2 Operational miri p a AI tee aee eee 2 1 Generalo reie eee ea vi dulea A Sah gat dee atebaduenn 2 2 Control Panel reses a oohaclece vee Siva AEA 2 3 Operator information and fUNCTION ccce ee ee eee ee ee eees 3 CONNGUIAUON eene oE E EEEE a 3 1 INtrOCUCTION EEEE EE EEEE T 3 2 Programming SETUP leV6l ojacsecscueaesedberadededsadoetendeosbass Savi CONG Mallia ies oi pie ecient cutee ote aa eee nit 3 2 2 Overview functions SETUP level ccccceeeee eee ee eee es Explanation of SETUP functions cccccceee ceca eeeeeeees Vi Tota n el ated hd as A asia ee 2 FloWrate spes3i sciatica ee iin chee Maven es hee AE 3 DISPIAY lt 5 dose ccc AG os ebadsencess Sesies ae ds dala dgeweghd kanes sedeien 4 Power Manageme t cccccceceseneeeeeeeeeeeeaeaeaenenes 5 FIOWMETEL ccccc cece ee ececececeeeaeeeeegeneeenseeeseeeaeaeneess 6 Pulse outputis Siisee eau siete tse aana aaa ENEA a ed avn A ELE A ape eee eS RR iS SRS ee Ree me APT 4 InStallatiOnivce2 3afevevedesceedvean teh de ee a ae Es 4 1 General directions ccecccecec ec eneeeeeeeeeeeeeeaeeeaeaenenees 4 2 Installation surrounding Conditions 0 ceceeeeeeee eee
27. eeeeeseeeeseeeseeneeesenaeees 3 2 Programming Definitions ccccseeceseeeeeseeeeeeeeeeeeeeeeseeeeeseeeeeneeeneenees 4 3 Programming FIOWCHAMEL 0 ccccenecseisceenscedecceneceescenscetieessceettzeesecectes 6 4 Enor COGS msn aa ES aaa E eE EEEN ESERE 5 Battery Replaceme me sssrinin 8 6 Dimension Drawing DR 1 ssssssessssusssuussenunsnnnnnunnnnunnnunnnnunnnnunnnnnnnnnnnnn 8 T Specifications sisaan a aaa EEANN EEEREN 9 Figures Figure 1 Wiring Built In Digital Readout issireeniernonranrennnan eae 1 Figure 2 Wiring Remote Digital Readout sacscccerad sadecacsattdass tn danceniaicacteenadeccansualan 2 Figure 3 Obtaining a Voltage Pulse Output ecccceceeeeeeeeceneeeeeeeeeeeeeeetaeeetsaes 3 Figure 4 PulSe Qutput Schemat Creaiisiie tant ceeds decane deadonncdhuste sana eed dea 3 Figure 5 Pulse SMAPS scazasstehs sae eiaei E ERARE E ena Figure 6 Dimension Drawing Remote Readout DR 1 ccceeeeeeeeeeteeeeeteeeees 8 1 1 General This manual covers the wiring and programming of the digital display which is installed in the flow meter housing Option RW3 and accessory digital display remote mounting Option DR 1 See page 5 Output to Flow Chart for transmitter output Options W2 W3 and RW3 and M2 Manual for transmitter Option W The display provides up to 4 1 2 digits for rate and 8 digits for totalization The display incorporates a microprocessor for scaling and selectable square root extracti
28. enance Page 4 4 1 Preventative Maintenance The flow meter does not require routine lubrication or service of any kind Keep the interior of the flow meter housing clean and free of dust moisture oils or corrosive materials Protect the flow meter from dripping or splashing corrosives or solvents which may attack meter exterior and eventually damage the internal mechanism 4 2 Checking Zero Water hammer or pressure surges can displace the bellows and cause the zero to shift If the pointer does not return to the zero reference point when flow through the meter is zero or if the pointer does not move away from the zero reference point at 12 15 of full scale flow then check the zero adjustment as follows Stop flow e Remove the lens e Observe the position taken by the pointer When properly adjusted the pointer should point to the zero reference point as shown in Figure 4 e lf the pointer is positioned within 1 2 12mm of zero reference point then follow FINE ADJUSTMENT procedure to re zero flow meter e lf the pointer is positioned more then 1 2 12mm from the zero reference point then follow the COARSE ADJUSTMENT procedure 02 05 Dial Pointer Zero Reference Point Zero Reference Point Pinter Preload Figure 4 Figure 5 4 3 Checking the Pointer Preload If the fine adjustment has been performed repeatedly the pointer return spring preload should be checked Manually rotate the pointer CCW toward full s
29. ent each individual digit of the low cutoff setting Press the lt key to advance to the next digit Press the E key to enter the displayed value Press the M key to skip and keep the existing value Press the A key to step to the desired divider for the pulse output Press the E key to enter the displayed divider Press the M key to skip and keep the existing divider Press the A key to step to cal YES or cal NO Press the E key to enter the displayed choice Press the M key to skip and proceed to loc code Press the E key when 4mA is supplied to the input Press the M key to skip and proceed to cal hi Done will appear to signal that the cal lo was successful Press the M key to advance to cal hi Press the E key when 20mA is supplied to the input Press the M key to skip and proceed to loc code Done will appear to signal that the cal hi was successful Press the M key to advance to loc code Press the A key to increment each individual digit of the lock code Press the lt key to advance to the next digit Press the E key to enter the displayed code Press the M key to skip and keep the existing code Press the A key to step to the desired lock setting Press the E key to enter the displayed lock setting Press the M key to skip and keep the existing setting Page 7 ERROR CODE This error message is displayed when the RATE LO value is set equal to or higher than the RATE HI value Press the M t
30. flow rate through the flow meter as close to 95 of F S as practical Set span pot S span is set using the following formula 16 Q 4 00 where current output mA Q decimal of full scale Flow to Output Chart FS Current Output FS Current Output 20 4 64 70 11 84 30 5 44 80 14 24 40 6 56 90 16 96 50 8 00 95 18 44 60 9 76 100 20 00 Fig 9 M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 23 of 28 APPENDIX A TECHNICAL SPECIFICATIONS GENERAL High intensity reflective numeric and alphanumeric LCD UV resistant Seven 17mm 0 67 and eleven 8mm 0 31 various symbols and measuring units User definable 8 times sec 30 secs Bi color configurable LED Backlight green or amber Intensity adjustable from keyboard GRP Glass Reinforced Polyamide enclosure with polycarbonate window silicone and EPDM gaskets UV stabilized and flame retardant material ys Three industrial micro switch keys UV resistant silicone keypad 40 C to 80 C 40 F to 178 F Input loop powered from 4 20mA signal input Voltage drop max 2 6Vdc 20 30Vdc Power consumption max 1 Watt Removable plug in terminal wire max 1 5mm and 2 5mm it EEPROM backup of all settings Data retention at least 10 years Configuration settings can be pass code protected Electromagnetic Compliant ref EN 61326 1997 EN 61010 1 1993 m
31. h the electronic components ESD sensitivity Never expose the system to heavier conditions than allowed according to the casing classification If the operator detects errors or dangers or disagrees with the safety precautions taken then inform the owner or principal responsible The local labor and safety laws and regulations must be adhered to M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 2 of 28 ABOUT THE OPERATION MANUAL This operations manual is divided into two main sections The daily use of the unit is described in chapter 2 Operations These instructions are meant for users The following chapters and appendices are exclusively meant for electricians technicians These provide a detailed description of all software settings and hardware installation guidance This operation manual describes the standard unit as well as any option available For additional information please contact your supplier A hazardous situation may occur if the digital display is not used for the purpose it was designed for or is used incorrectly Please carefully note the information in this operating manual indicated by the pictograms A warning indicates actions or procedures which if not performed correctly may lead to personal injury a safety hazard or damage of the digital display or connected instruments A caution indicates actions or procedures which if not performed correctly may
32. ignal is measured several times a second by the display The value measured is a snap shot of the real flow as it will be fluctuating With the help of this filter a stable and accurate reading can be obtained while the filter level can be set to a desired value The filter principal is based on three input values the filter level 01 99 the last measured analog value and the last average value The higher the filter level the longer the response time on a value change will be Below several filter levels with there response times are indicated 03 seconds 0 5 seconds 1 0 seconds 1 8 seconds T to seconds 1 8 seconds 2 8 seconds 6 3 seconds T t8 seconds 3 5 seconds 5 6 seconds 11 seconds 3S seconds 7 0 seconds 11 seconds 23 seconds T 53 seconds 10 seconds 17 seconds 34 seconds T 8 8 seconds 17 seconds 29 seconds 57 seconds T13 seconds 26 seconds 43 seconds 86 seconds T17 seconds 34 seconds 57 seconds 114 seconds M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 17 of 28 interpolation To ignore e g leakage of the flow or vibration a low flow cut off can be set as percentage over the full range of 20mA When the analog value is less then required with this setting the signal will be ignored The cut off value cab be programmed is the range 0 0 99 9 Examples 25 L min 25 450x100 5 5 16mAx5 5 4mA 4 88mA square root 25 L min
33. ines lave Mead 1 Figure 2 K factor Table cccccccesceceeneeeeecececeaeeeceaeeeseaeeeeeaneeseaeeseeaeesecaeessneneessaees 2 Figure 3 Transmitter Connections cee ccceeecceeeneeeceneeeceneeeeeeeeeeeaeeeeeeeeseneeeessaeees 3 Figure 4 Transmitter Board 0 ecceeeeeceeeeeeecneeeeeeenneeeeeseeeeeeeenaeeeeeesnaeaeeeseeaaeeeeta 4 1 1 General The transmitter board is fitted inside the enclosure of either the threaded or wafer style flowmeter Option W provides a 4 20 mA dc option Y provides a 0 1000 Hz frequency option X provides set point switching and option Z combines W X amp Y i The position of the gear lever is detected using a pair of magnets mounted on the lever Installation and a solid state Hall effect sensor mounted on the circuit board The output of the trans amp Wiring mitter is linear with flow The transmitter is powered by an external 24 volt dc power supply provided by the user A rated capacity of 100 mA is required to power all options 1 2 Precautions The power supply used to power the transmitter MUST BE ISOLATED This means that the power supply ground and the input signal grounds must NOT be common Some batch controllers and counters have auxiliary power supplies which are not isolated Use of these non isolated power supplies will cause a failure of the power supply and or the transmitter board RQ amp ito D 12 345678910 D OOQO0OQO00000 ee age ee a Terminal Strip Figure 1 I
34. ing of the switch Most applications involve inductive loads Don t be misled by the wattage ratings of the load Low wattage loads are often high inductive devices making contact protection important D C A C A 1N4004 diode or equivalent should Connect a resistor and capacitor in parallel be connected in series with the reed with the switch switch as shown in figure 1 Transient suppressors or varistors may also be used to dissipate the transient and protect the switch contacts Inductive Inductive Load 1 N4004 100 Q 1 4 watt 0 1 uf 600 volt Figure 1 Figure 2 DC Contact Protection AC Contact Protection M6 Rev C WIRING AND CALIBRATION Transmitter Options W X Y amp Z Page Table of 1 Installation ANd WiITING c ce ceeceeeeeeecne eee eeeee cette eeeaeeeeeeeeaeeeeeeesnaneeeeenennaeeeeeeaes 1 Vall Ganera x2 sseiendhd Re Aen Ade AHRRR AREER Re 1 Contents 1 2 Precautions cceann aranan a A oera AEE EEAS EERE SARA 1 2 Interfacing the frequency OUtDUL ccccceeeeceeeeeeeseeeeeeeeeeeeeaeeeeeeeeeeeeeeeeeaeeeeeaeeess 2 3 Interfacing the limit switches 0 0 0 0 ccccsecececcssseceececseseeeecesssaeeeecessssseseeensnaaes 2 4 Field Calibration 4 20 MA dC c cceeecceceeecceeeeeeeeeeeceeeeeseeeeeeeeeeseeeseeneetseeeeseaees 3 5 Field Calibration 0 1000 HZ ecccceccsceeeceeeeeeeeeeeeeeeeaeeeseneeeeenaeeeeaeeesieeeseeees 4 Figures Figure 1 Terminal Strip resis onesies leche Mind d
35. is completed From that moment the analog value must be more than the calibrated value before the signal will be processed DEFAULT with this setting the manufacturer s value is re installed CAL SET to select the last calibrated value M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 18 of 28 One transistor or relay output is available as scaled pulse output according to the accumulated total The pulse width determines the time that the output will be switched in other words the pulse length The minimum time between the pulse is as long as the period time 50 50 duty cycle The pulse width is set in milliseconds in the range 0 001 9 999 sec Value zero disables the pulse output Note If the frequency should go out of range when the flowrate increases for example an internal buffer will be used to store the missed pulses as soon as the flowrate slows down the buffer will be empted It might be that pulses will be missed due to a buffer overflow so it is advised to program this setting within its range This setting determines the decimal position for setting 63 Note the measuring unit is according to setting 11 for total A pulse will be generated every X quantity Enter this quantity here while taking the displayed decimal position and measuring unit into account All SETUP value can be pass code protected This protection is disabled with value 0000 Zero U
36. l for example inside the instrument case Mount the display on a solid structure to avoid vibration Select a site which is convenient for viewing Note that the display can be ordered in any orientation at 90 degree increments and must be returned if the orientation needs to be changed for proper viewing The site selection should provide at least 10 pipe diameters of straight meter size pipe between the flow meter inlet and any upstream fittings such as elbows tee and valves There are no special requirements for the downstream connection to the flow meter Note Avoid placing the flow meter where it will be subjected to water hammer Take care when removing the display from the back cover wires are connected between the display and flow transmitter The digital display is powered by an external 24Vdc power supply provided by the user M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 20 of 28 Ss Note That the flow meters are calibrated based on schedule 40 pipe ID connection eel Tubing and hoses do not have the same ID as pipe and should be transitioned to sa pipe at least 10 pipe diameters upstream of the flow meter to achieve rated accuracy Important Protect from freezing liquids 10 e Fig 5 Installation and straight run requirements 4 3 INSTALLING THE HARDWARE Electro static discharge does inflict irreparable damage to electronics Before installing or opening the unit the in
37. lded directly under cover screws Max screw heod 0 29 4 Places 4 33 To access terminals remove cover and 4 panels screws Terminals are on bottom side of PC board 4 92 125 TOP VIEW SIDE VIEW PANEL INSTALLED Figure 6 Dimensions Remote Readout DR 1 Keypad 4 tactile feedback keys Description Featuring up to 4 1 2 digits of rate and 8 digits of total the digital indicator is a loop powered indicator capable of accepting either a linear or square root 4 20mA inputs An isolated scaled pulse output is available for hook up to a remote totalizer Numeric password protection prevents unauthorized access to menu Specifications Specifications Power Input Inputs 100mA 24Vdc power supply Not Included Signal Inputs Full Scale Range 4 to 20 mA DC Internal Battery Setup amp totalizer memory Loop Voltage Drop 6 Volts Maximum storage only Reverse Polarity Protection 3 V 250mA H Lithium 2 yr Standby life Ecce ea Hiciscict a Gia 16 Bit resolution 1 sample every 2 Display seconds Rate Display selectable decimal Low cutoff supplied to inhibit indications 3 5 or 4 5 Digits selectable 0 35 High at low Display updatesonce every two seconds flow rates Rate Descriptor SEC MIN HR or Blank Reset Inputs Totalizer Display selectable decimal Internal Pullup Resistor 100 KQ to 3 8 Digit 99999999 0 2 High VDC Totalizer Descriptors GAL LIT FT3 M3 High logic 1 Open or 3 30 VDC
38. lead to personal injury or incorrect functioning of the digital display or connected instruments e gt Caution A note indicates actions or procedures which if not performed correctly may indirectly affect operation or may lead to an instrument response Note which is not planned Contact your supplier if you require additional information regarding the digital display installation requirements and application suitability Carefully read this manual prior to installation Hardware version FB03 03xx Software version 03 02xx Manual M4 Rev F Wiring amp Programming Instructions Option RW3 amp DR 1 Copyright 2011 Information in this manual is subject to change without prior notice The manufacturer is not responsible for mistakes in this material or for incidental damage caused as a direct or indirect result of delivery performance or use of this material All rights reserved No parts of this publication may be reproduced or used in any form or by any means without written permission of your supplier M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 3 of 28 CONTENT MANUAL Safety INSUUCHONS 24sec sso oa csc ad delet Sake wee ves gees eemnctp net cdgeee sue sa cnie Bees DISPOSAL se fase osteo eet Ltda seek A e aL Seen eat oa a aa aaa Safety rules and precautionary measuresS cece cece eens ee eee eens About the operation Manual ccccccceeeeeee
39. lier for repair Reassemble the flow meter housing to the body Take care to properly seat the two inner o rings before tightening the screws Improper assembly can result in a leak and possible damage to the electronics The meter does not require routine lubrication or service of any kind Keep the interior of the meter housing clean and free of dust moisture oils or corrosive materials which may attack the exterior and eventually damage the internal components Contact the supplier for an RMA number if the unit needs to be returned for evaluation and or repair M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 26 of 28 INDEX OF THIS MANUAL Accumulated total 7 Loop powered Actual settings 28 Low current Backlight 16 Low battery Color 16 Main function Density 16 Maintenance Battery life time 16 Manual version Clear total 7 Model Configuration 9 Operational Contents 4 Operator level Display 16 Pass code Function 16 Problem solving Display update time 16 Pulse output Flowmeter 17 Pulse length period time Flowrate 15 Range error Decimals 15 Rate total Decimals span 15 Serial number Measuring unit 15 Setup level Span 15 Software version Time unit 15 Sub function Functional description 5 Tag number Keys 6 Technical specification High current 18 Terminal connectors Input loop powered 21 Total Installation 20 Decimals Decimals span 14 Measuring unit Span 14 IP classification LIST OF FIGURES
40. ll be Example 1 Calculating the Span Let us assume that the flowmeter generates 20mA at a rate of 652 31 USGAL per hour the Selected unit is barrels There are 42 gallons In one barrel so the rate is 652 31 42 is 15 53119 barrels hour This is 0 0043142 barrels second which is the Span Enter for SETUP 13 004314 and for SETUP 14 6 Example 2 Calculating the Span Let us assume that the flowmeter generates 20mA at a flowrate of 2 481 3 Liters minute and The selected unit is cubic meter m3 The rate per second is 2 481 6 60 is 41 355 L sec This is 0 041355 m3 sec which is the span Enter for SETUP 13 041355 and for SETUP 14 decimals span 6 This setting determines the number of decimals for the Span SETUP 13 The following can be selected 0 1 2 3 4 5 26 Please note that this function influences the accuracy of the Span indirectly This setting has NO influence on the displayed number of digits for total SETUP 12 M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 14 of 28 The settings for total and flowrate are entirely separate In this way different units of measurement can be used each e g cubic meters for total and liters for flowrate The display update time for flowrate is one second or more SETUP 21 determines the measurement unit for flowrate The following units can be selected mL L m3 mg g kg ton GAL bbl
41. llation Operation and Maintenance Manual M1 2 1 ABS Housing Installation Remove the back cover plate screws Mount the housing assembly to the wall panel or bracket using 6 screws in from the front through the back cover plate and into the wall These screws and other hardware are NOT INCLUDED Caution Do not over tighten the mounting screws damage may result 3 1 Piping Installation Connect the housing assembly and body with 1 4 tubing or piping suitable for the process condition Accessory kits provide suitable fittings KT 1 Brass or KT 3 316 SST Tubing not included Close ball valve at the flow meter body Open the equalizing valve Pressurize the system by establishing flow Open the ball valve and check for leaks Purge the air from the system until steady flow is attained 1 2 minutes Close the equalizing valve to complete the installation orpnon RZ accessory KIT KI 1 KT 3 HIGH CUSTOMER SUPPLIED TUBING PRESSURE PORT EQUALIZING VALVE 77 7BALL VALVES Figure 1 Remote Mount ABS Housing Page 1 4 1 Aluminum Housing Installation Remove the back cover plate screws Mount the housing assembly to a bracket or panel using 8 32X3 8 Pan HD screws These screws and other hardware are NOT INCLUDED Installing the aluminum housing may require an additional custom fabricated bracket to mount to a wall or rigid surface Caution Do not over tighten screws as damage may result Be sure to ch
42. mportant Do not connect terminals 7 and 9 together Damage will result The installation must be 4 wire One pair of wires supplies 24 Vdc to pins 7 and 8 and one pair carries the 4 20 mA signal to the peripherals Page 1 Interfacing the frequency output Interfacing the limit switches Page 2 2 1 Frequency output interfacing The frequency output is always factory set to 1000 Hz at full scale flow To count total flow from the frequency output it is necessary to scale this output The scaling factor K is derived as follows 1000 pulses sec x 60 sec min K full scale flow rate units min The table below was computed from the above equation and is presented for your convenience Scale K factor Scale K factor Scale K factor Scale K factor 60000 0 O00 0 00 600 00 2 30000 25 2400 150 400 800 75 0000 0 O00 00 00 O00 60 15000 40 1500 240 250 2000 30 6 0000 0 00 0 A0 O00 0 8 7500 60 1000 4000 15 0 80 0 0 300 200 0 400 0 6000 600 500 120 K factor Table Figure 2 OUUU 15 4000 10 The frequency output is a square wave with an amplitude of 5 Vp into a 10 K ohm or greater impedance The on time is controlled at 270 microseconds 30 microseconds The frequency output falls to 0 Hz whenever the flow rate falls below approximately 20 F S Important Do not connect terminals 6 and 7 together Damage will result The installation must be 4 wire One pair of wires supplies 24 V dc to pins 7 and 8 and on
43. o re enter the RATE LO and RATE HIGH values rAtE Err input is set at a value which is out of range see CAL LO and Error Codes d O n This error message is displayed when the CAL LO or CAL HI Battery Replacement Dimensions Page 8 CAL HI in programming section for calibrating input range CAL Err Press M to re enter the CAL LO and or CAL HI procedure E bAttry If a low battery invalid memory condition is detected the display will flash and the BAT descriptor will come on Press M to acknowledge the condition E BATTERY will be displayed Replace the battery with loop power connected the unit must be recalibrated if loop power was not maintained This error message is displayed when the total is advancing at a E PuLSE speed greater than the pulse output capability Choose a greater pulse divider or select OFF Recommended battery Panasonic BR2330 3V 250mA H Lithium 2 yr standby life The polarity of the battery must be correct Plus must be on top as indicated on the conductor arm Note Power the unit from the 4 20mA loop while the battery is being replaced to avoid the need to recalibrate the unit If the loop power was not maintained the unit will return to the default settings all menu items must be re entered Return to section 3 and follow the programming example to re enter all menu items based on your model number see nameplate label for model number details t Mounting holes mo
44. on Press the A key to step to the desired totalizer descriptor Press the E key to enter the displayed descriptor Press the M key to skip and keep the existing descriptor Press the A key to step to the desired rate descriptor Press the E key to enter the displayed descriptor Press the M key to skip and keep the existing descriptor Choose the descriptor which reflects the time base used for rate high Press the A key to step to the desired input type press the E key to enter the displayed choice Press the M key to skip and keep the existing input type Page 6 Continue From Previous Page RATE LOW maj 0000 E 4d 4mA rAtE Lo DIVIDER PULSE OUT CALIBRATE YES or NO CALIBRATE LOW input 4mA press E CAL Lo E CALIBRATE LOW donE DONE CAL Lo M CALIBRATE HIGH input 20mA press E CAL Hi M gt CALIBRATE HIGH DONE Lock cope P fe TURN LOCK yes ON or OFF no RUN MODE If NO 0000 LoC CodE a LoC unit Press the A key to increment each individual digit of the rate Press the lt key to advance to the next digit Press the E key to enter the displayed value Press the M key to skip and go to next menu item Press the A key to increment each individual digit of the rate high setting Press the lt key to advance to the next digit Press the E key to enter the displayed value Press the M key to skip and keep the existing value Press the A key to increm
45. on An isolated scaled open collector output is included for operating a remote contact closure for remote totalization See figure 3 to convert this output to a voltage output The remote digital display DR 1 requires a 4 20mA signal which is provided by transmitter Options W2 W3 or W The W2 W3 and RW3 are a 2 wire loop powered square root function and the W option is a 4 wire transmitter linear output signal An external 24Vdc power supply is required Option PS 24 1 2 Wiring built in digital readout WARNING ADJUSTING SPAN POT WILL CHANGE METER CALIBRATION remote totalizer see figure 3 device with square root extraction power supply Installation span pot zero pot For use with digital readout amp Wi ring a 20 mA g 4 mA option RW 3 only Continued C 1 2 3 4 5 6 7 DCO Q O Q O O J ie remote i i 12345678 24 VDC optional receiving contact Figure 1 1 3 Wiring remote digital readout Rear View remote totalizer see figure 3 pulse output 6 ever open collector 5 totalizer 4 OQ f plang reset 3 N O contacts shield supply 2 return 1 A i 7 DC power ee supply T 24 V typ optional receiving Install jumper flowmeter device with s
46. on flow meter model number rAt dESC ratemeter descriptor scaling Sets the rate readout Choose rate per hour minutes seconds or blank when no descriptor is selected the unit assumes that the rate lo and rate hi are entered in units per second Press the lt key to step to the desired choice Press the E key to enter the illuminated descriptor Based on flow meter model number inPut input type Choose linear Lin for transmitter Option W or square root extraction 59 u for transmitter Options W2 W3 or RW3 Press the A key to step to the desired input type Press the E key to enter the displayed choice Based on flow meter model number rAtE Lo rate low Sets the low setting for the 4 20mA analog input Key in the low rate value which corresponds to the 4mA input factory setting is 0000 Press the A key to increment each digit Press the lt key to step to the next digit to the left Press the E key to enter the displayed rate lo value rAtE Hi rate high Sets the high setting for the 4 20mA analog input Key in the high rate value which corresponds to 20mA input Based on flow meter model number full scale flow rate Press the A key to increment each digit Press the lt key to step to the next digit to the left Press the E key to enter the displayed rate hi value Lo Cut low cutoff Percent of input 0 1 to 9 9 below which all inputs will assume the rate lo value i e With Lo Cut set 9 9 and rAte Lo set a
47. on snubbers are installed standard on all gas flowmeters and on liquid flow meters unless ordered with viscosity correction 5 2 Zero Shift The need to frequently re zero the flow meter is an indication of excessive water hammer Piping or operating procedures should be changed to reduce water hammer in order to prolong the life of the flowmeter 5 3 Sluggish Meter Response Sluggish flow meter response can be caused by inadequate pointer return spring preload or by clogging of the pressure passages with debris To check spring preload see CLEANING OF PRESSURE PORTS 6 1 Liquid Service If the specific gravity of the fluid being metered differs from the value marked on the flowmeter dial a correction factor J must be applied to the flow meter reading to obtain the actual flow rate Actual flow rate J x flow meter reading J fg Sa Sc Specific Gravity for which the flow meter is calibrated where Sa Actual specific gravity of the fluid being metered Example Flow meter calibrated for water specific gravity 1 0 reads 12 5 GPM for a lubricating oil with a specific gravity of 0 85 What is the actual flow rate J br 1 1765 1 085 Therefore actual flow 1 085 x 12 5 13 56 GPM Page 7 6 2 Compressed Gas Service If the gas pressure or temperature varies from the values marked on the flow meter dial then a correction factor K must be applied to the flow meter reading to obtain the actual flow rate
48. ot your password enter 2910 to access the menu or change password Clr tot clear total Clears resets totalizer Press the E key to clear the total and return ake an to the run mode Press the M key to skip and advance to the next menu selection Definitions 3 or 4 3 5 or 4 5 digits Choose between 3 5 or 4 5 digit rate display Press the A key to step to the desired choice Press the E key to enter the displayed choice factory set at 4 5 dEC Loc decimal location for ratemeter Sets the decimal location for the ratemeter and the rAtE Lo amp rAtE Hi settings Press the lt key to move the decimal Press the E key to enter the displayed decimal location tDEC totalizer decimal Sets the decimal location for the totalizer The totalizer decimal is not a dummy decimal and will scale the totalizer display accordingly i e if the tdec is set in the tenths position 1234567 8 100 will be displayed as 100 0 The location of the decimal point allows for greater resolution of both the totalizer display and the pulse output The pulse output advances at a rate dependent on the least significant digit of the totalizer The totalizer decimal location is restricted to a maximum of 4 pplaces 1234 5678 tot dESC totalizer descriptor This allows you to illuminate one of the available descriptors on the display GAL LIT FT3 M3 or blank Press the A key to select the descriptor Press the E key to enter the selected descriptor Based
49. owrate at any given point Take care not to flex this lever front to back as calibration will be affected Adjust zero pot VR1 fully CCW Adjust 4 mA output pot VR2 to 4 00 mA Set pointer to 30 Adjust zero pot VR1 to 8 8 mA 0 2 mA Set pointer to 95 Adjust span pot VR3 to 19 2 mA 0 2 mA Repeat zero VR1 and span VR3 adjustments until both adjust within specifications 5 1 Field Calibration If the transmitter is fitted with current output adjust current output first With the pointer at 95 F S set VR6 span pot for 950 Hz 30 Hz If current output is not fitted the meter MUST be returned to the factory for calibration Installation amp Wiring Field Calibration 4 20mA dc WIRING AND CALIBRATION 2 Wire Transmitter Options W2 and W3 1 1 General The transmitter board is fitted inside the enclosure of the flow meter Option W2 provides a 4 20mA dc output in addition to a local mechanical analog indicator Option W3 operates identically but omits the local indication The transmitter measures differential pressure directly with a solid state strain gauge The differential pressure measured is independent of the mechanical measurement provided by the local mechanical indicator The output of the transmitter is linear with differential pressure The output must be linearized in the receiving device to provide a flow measurement The transmitter is powered by an external 24 volt dc power supply provided by the user A ra
50. p to and including 4 digits can be programmed for example 1234 M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 19 of 28 Caution D Note INSTALLATION 4 1 GENERAL DIRCTIONS Mounting electrical installation start up and maintenance of this instrument may only be carried out by trained personnel authorized by the operator of the facility Personnel must read and understand this Operating Manual before carrying out its instructions The digital display may only be operated by personnel who are authorized and trained by the operator of the facility All instructions in this manual are to be observed Ensure that the measuring system is correctly wired up according to the wiring diagram Protection against accidental contact is no longer assured when the housing cover is removed or the panel cabinet has opened danger from electrical shock The housing my only be opened by trained personnel Take careful notice of the Safety rules instructions and precautionary measures at the front of this manual 4 2 INSTALLATION SURROUNDING CONDITIONS Take the relevant IP classification of the casing into account Even an IP67 NEMA4X casing should NEVER be exposed to strongly varying weather conditions When panel mounted the unit is IP65 NEMA4X When used in very cold surroundings or varying climatic conditions take the necessary precautions against moisture by placing a dry sachet of silica ge
51. pat hil t Compliant ref EN 60950 M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 24 of 28 INPUT pree 4 20mA with signal calibration feature output based on differential pressure OUTPUT Eag Scaled pulse output max frequency 500Hz One passive transistor output not isolated Load max 50V DC 300mA OPERATIONAL Total and or flowrate Total and accumulated total Total can be reset to zero by pressing CLEAR key twice L m3 GAL USGAL KG Ib bbl no unit 0 1 2o0r3 7 digits Note Total can be reset to zero by pressing CLEAR key twice Dos According to selection for total E mL L m3 GAL KG Ton Ib bl cf RND ft3 scf Nm3 NI igal no units ie 0 1 2o0r3 its sec min hr day M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 25 of 28 APPENDIX B PROBLEM SOLVING In this appendix several problems are included that can occur when the display is going to be installed or while it is in operation Flowrate displays 0 zero while there is flow total is counting Check SETUP 22 25 are the span and time unit correct The pass code is unknown If the pass code is not 1234 there is only one possibility left call your supplier Range error Range error LO RANGE or HI RANGE the input value is at least 5 above or below the calibrated measurement range SETU
52. quare to enable front After battery replacement root extraction panel lockout jump momentarily to initialize unit with loop power applied Figure 2 Page 2 1 4 Wiring the pulse output R1 Installation DC power supply amp Wiring 24 AD 12345678 Continued te totali E OE reer R2 S Desired Veak X 10 000 2 V power supply 6 R1 10 000 R2 O Typical values 5 Desired Vpeak 5 V Q Vpower supply 24 V R2 2000 2 K ohms R1 8000 8 k ohms Actual Vpeak 4 8V 2 resistors watt Figure 3 Obtaining a Voltage Pulse Output 6 O pulse output o k15 msec nd t V peak 25 Hz max 5 O pulse output WY Figure 4 Figure 5 Pulse Output Schematic Pulse Shape Caution Observe proper polarity when connecting the pulse output The pulse output circuitry can be damaged by reserve polarity or by voltages exceeding 30 volts Page 3 Ent CodE enter code This prompt will only appear if the panel lock is ON Enter the password code to enter the program menu Press the A key to increment each digit code Press the lt key to step to the next digit to the left Press the E key to enter the 4 digit code If the entered code is correct the display will advance to the next menu prompt Clr tot If incorrect the display will return to the run mode To override the lock code or if you forg
53. r 2 minutes the unit will exit SETUP automatically SETUP can be reached at all times while the display remains fully operational Note A pass code may be required to enter SETUP Without this pass code access Ss to SETUP is denied All digital display is pre calibrated from the factory per model Note selected no additional calibration is required Contact the factory for calibration details if required To enter SETUP level Press oe for 7 seconds M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 9 of 28 3 2 2 Matrix structure SETUP level function function group SCROLLING THROUGH SETUP LEVEL Selection of function group and function Select function SETUP is divided into several function groups and functions M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 10 of 28 Each function has a unique number which is displayed below the word SETUP at the bottom of the display The number is a combination of two figures The first figure indicates the function group and the second figure the sub function Additionally each function is expressed with a keyword After selecting a sub function the next main function is selected by scrolling through all active sub functions e g 1 A 11 4 12 4 13 4 14 A 1P 2 gt 3 Pm 31 etc The CLEAR button can be used to jump a step back if you missed the desired function To change or select a
54. rmula 16 Q 4 00 where current output in mA Q decimal of full scale FS Current Output FS Current Output 20 4 64 70 11 84 30 5 44 80 14 24 40 6 56 90 16 96 50 8 00 95 18 44 60 9 76 100 20 00 Page 1 20ma 4maA SPAN ZERO POT POT Sos Warning adjusting span pot will change meter P calibration 24 Vde POWER SUPPLY Prt en en nn ng ditional receivers may be connected ies Observe voltage vs max loop i Connection Diagram For use with digital 30 readout Option R only Option W2 and W3 24 Vde 6500hms max V min 11 5 i 200 400 600 800 1000 Max connected load ohms Figure 1 Figure 2 Loop Impedance versus Power Supply Voltage EMF shield terminate cable shield here CSA UL approved water tight conduit or cable gland Housing with rear cover removed rear view Figure 3 Conduit and Shield Connection Details for IS and EM Options M3 REV G WIRING AND CALIBRATION TRANSMITTER OPTIONS W2 AND W3 Page 2 Table of Contents Installation amp Wiring WIRING AND PROGRAMMING Digital Display Option RW3 Digital Display Accessory DR 1 Page 1 Installation and Wirinia 1 WEN General snis e E aaa Eea Eiaa EE aa AR e 1 1 2 Wiring Built In Digital Readout eeeneeeeeeeeeeeeeeeteeneeeeeeeeeaeeeees 1 1 3 Wiring Remote Digital ReAdOut eee eeeeeeeeeeeeeeeeeteneeeeeeteeaeeeeees 2 1 4 Wiring Pulse Output cece cece cececeeeeeeeeeeeaee
55. rrow key A is used to increase a value after PROG has been pressed or to configure the unit please read chapter 3 Press this key twice to CLEAR the value for the total The arrow key gt is used to select a digit after PROG has been pressed or to configure the unit please read chapter 3 we eD G M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 6 of 28 2 3 OPERATOR INFORMATION AND FUNCTIONS In general the display will always act at Operator level The information displayed depends upon the SETUP setting The signal processed by the connected flowmeter is measured by the display in the background whichever screen refresh rate setting is chosen After pressing a key the display will be refreshed quickly for 30 seconds after which it will slow down again TOTAL m a TU JE 4D LUL we 18539 L MIN Fig 3 Example of display information during process For the Operator the following functions are available Display flowrate total or flowrate This is the main display information After selecting any other information it will always return to this main display automatically Total is displayed on the upper line of the display and flowrate on the bottom line It is possible to display flowrate only with the large 17mm digits in this instance press the SELECT key to read the total When is shown then the flowrate value is too high to be displayed The arrows A indicate the increas
56. s the number of decimals for the Span SETUP 24 The following can be selected 0 1 2 3 4 5 6 Please note that this function influences the accuracy of the Span indirectly This setting has NO influence on the displayed number of digits for total SETUP 23 M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 15 of 28 The large 17mm digits can be set to display total or flowrate When total is selected both total and flowrate are displayed simultaneously When flowrate is selected only flowrate will be displayed with its measuring unit while total will be displayed after pressing SELECT The functions below will only affect the optional backlight If a LED backlight has been supplied the color can be selected Following selections are available OFF GREEN AMBER The density of the backlight can be set in following range 1 5 One is the minimum and five is the maximum brightness When used with the internal battery option the user can expect reliable measurement over a long period of time The display has several smart power management functions to extend the battery life time significantly Two of these functions can be set The calculation of the display information influences the power consumption significantly When the application does not require a fast display update it is strongly advised to select a slow refresh rate Please understand that NO
57. staller has to discharge himself by touching a well grounded object This unit must be installed in accordance with the EMC guidelines Electro Magnetic Compatibility Separate cable glands with effective IP67 NEMA4X seals for all wires Unused cable entries ensure that you fit IP67 NEMA4X plugs to maintain ratings 4 3 1 TERMINAL CONNECTION WITH POWER SUPPLY The following terminal connectors are available Flowmeter Optional Input Pulse Backlight 4 20mA Output 24Vdc 12 7 8 9 10 Fig 6 Overview of terminal connectors and options Optional Backlighting requires 24Vdc supply M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 21 of 28 IN OUT Fig 7 Wiring connection for RW3 option 20mA 4mA SPAN ZERO POT POT 1 2 S S _ Hi J i etel o i 1 e i RECIEVING l 24 Vdc DEVICE WITH POWER SQUARE ROOT SUPPLY EXTRACTION i OPTIONAL Fig 8 Wiring connection for W2 W3 options W3 option amp DR 1 Remote Digital Display shown M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 22 of 28 MAINTENANCE 5 1 GENERAL DIRECTIONS The display does not require special maintenance unless it is used in low temperature applications or
58. t 0 all inputs below 5 6mA will read 0 Factory set at 2 2 to reflect lowest reading possible approximately 15 of full scale PuLSEout pulse out divider This allows the unit to output a pulse for each least significant total count divided by the selected divider The pulse out can be divided by 1 d1 10 d 10 100 d 100 or off OFF With the divider set at 1 the unit will give a pulse out for every increment of the LCD displayed Page 4 Definitions Continued CAL calibrate yes or no Select Yes to calibrate the unit select NO to skip the calibration procedure Press the A key to select YES or NO Press the E key to enter the displayed selection IMPORTANT The factory calibrates all flow meters based on the flow meter model number calibration can only be performed with a known flow standard that corresponds to the full scale flow rate of the flow meter CAL Lo calibrate low Apply an accurate 4mA signal at no flow to the input and Press the E key If the calibration is successful the unit will display donE CAL Lo If the calibration is not successful the display will read donE CAL Err see error codes page 8 Press the M key to continue CAL Hi calibrate high apply an accurate 20mA signal full scale flow rate to input and Press the E key lf the calibration is successful the unit will display donE CAL Hi If the calibration is not successful the display will read donE CAL Err see error codes page 8 Press
59. ted capacity of 25mA minimum is required 1 2 Installation For NEMA 4 4X or IP66 installation Option D Use CSA UL approved watertight conduit or cable gland not included For EMC Electromagnetic Compatibility installation Option EM Use AWG 18 2 conductor shielded cable with drain wire Important Terminate shield inside outer housing but outside inner shield housing See figure 3 for details For IS installation Option IS Option IS includes Option D and a locking screw on the lens This screw must be loosened 1 2 turn to obtain access to the dial and pointer See IS installation drawing 6440 for wiring and barrier installation Atex installation must comply with EN 60079 14 CSA NRTL Ex ia IIC T3 CENELEC LCIE EEx ia IIC 1G Class Division Groups A B C D T3 Ta 0 to 50 C Class II Division Groups E F G Atex Directive 94 9 EC EN 13980 2002 Startup Pressurize the pipeline and check the zero Adjust the zero pot if necessary 2 1 Test Equipment Fluke 9600A digital multimeter or equivalent All flow meters are factory calibrated Connect multimeter in series with current loop WARNING Do not adjust span unless you are certain that the meter is reading incorrectly 2 2 Procedure With pipeline pressurized adjust zero pot until current reads 4 00mA 0 02mA at no flow Establish a known flow rate through the flow meter as close to 95 of F S as practical Set span span is set using the following fo
60. the M key to continue LoC CodE lock code Sets the 4 digit lock code to be entered when the unit prompts Ent CodE This allows the user to gain access to the menu when the unit is locked Press the A key to increment each digit Press the lt key to step to the next digit to the left Press the E key to enter the displayed code Record this number here for later use LOCK CODE Override Code 2910 LoC unit lock unit Sets the panel lock ON or OFF Press the A key to select YES ON or NO OFF Press the E key to enter the displayed selection NOTE A hardware jumper menu lockout is also available see figure 2 The hardware jumper does not inhibit contact closure reset at terminals 3 and 4 Output to Flow Chart Connect multimeter in series with the current loop With pipline pressurized adjust zero pot until current output reads 4 00 mA 0 02 mA at no flow Establish a known flow rate through the flow meter as close to 95 of full scale as practical Set span using the formula below Set span span is set using the following formula 16 Q 4 00 where current output in mA Q decimal of full scale Click here to access calculator FS Current Output FS Current Output 20 4 64 70 11 84 30 5 44 80 14 24 40 6 56 90 16 96 50 8 00 95 18 44 60 9 76 100 20 00 Page 5 NOTE All menu selections are saved upon exiting the program menu and returning to the run mode When making menu changes do not remove loop power
61. the housing to the cell block assembly Position the housing at any 90 degree position Replace the four screws taking care not to pinch the o ring seals O Ring Installation Figure 3 3 3 Changing from Horizontal to Vertical or Vertical to Horizontal Remove the lens by rotating counter clockwise by hand Do not remove the pointer Move the dial forward gently by prying with a small knife at the 12 00 o cfock position Rotate the dial to the desired viewing position and push the dial into position There are 4 locating indents on the dial edge and housing to position the dial at 90 degree increments Using a small screwdriver blade to lift the end of the retainer ring up and out of the housing recess remove the retainer ring and dial crystal Do not remove the pointer Remove the two screws holding the dial and rotate the dial to the desired viewing position Reinstall the screws to hold the dial in position It may be necessary to shorten the screws to approximately 1 8 3mm to avoid contact with gear movement Rezero the flow meter using the FINE ADJUSTMENT procedure 3 4 Threaded Bodies Make up thread joints using a suitable sealant Be sure threads are clean and free of burrs before making up joint 3 5 Wafer Style Bodies Install the flow meter between mating flanges Take care to center the gaskets so that they do not protrude at all into the pipeline which will cause significant error Page 3 Operation and Maint
62. tions 0 0 Figure 3 O ring installation 0 cc Figure 4 Zero reference point 0 oee Figure 5 Pointer preload icessciceessxsscsve aaneen Figure6 Cam nut and stop nut 0 Figure 7 Can follower adjustment Figure 8 Reed switch adjustment Figure9 Cutaway view cee Wafer Style Flowmeter Figure 1 Principle of Operation Installation Planning and Site Selection Page 2 These threaded and wafer style flowmeters measure flow rate by sensing the pressure differential created across the flow nozzle which is machined into the body of the flowmeter A pair of matched opposed bellows sense the differential pressure and drive a mechanical linkage to indicate flow rate directly on the dial When fitted with a blind transmitter or digital display readout the bellows and mechanical linkage are replaced with a solid state differential pressure sensor Select a site which is convenient for viewing and which provides service access to the front and rear of the flowmeter Note that the dial can be ordered in any orientation at 90 degree increments and can be easily re oriented in the field See Ghanging the Dial Orientation in the installation section The site selected should provide at least 10 pipe diameters of straight meter size pipe between the flow meter inlet and any upstream fitting such as elbow tee or valves There are no special requirements for
63. value c Press noe to continue the value selection Coy To change a value use gt to select the digits and A to increase that value If the new value is invalid the increase sign A or decrease sign W will be displayed while you are programming To select setting A is used to select in one direction and can be used to select in the other direction When data is altered but ENTER is not pressed then the alteration can still be cancelled by waiting for 20 seconds or by pressing ENTER for 3 seconds the PROG procedure will be left automatically and the former value reinstated M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 11 of 28 Note alterations will only be set after ENTER has been pressed Otherwise the former value will be reinstated Note To return to OPERATOR level for 3 seconds In order to return to the operator level PROG will have to be pressed for 3 seconds Also when no keys are pressed for 2 minutes SETUP will be left automatically M4 Rev F Installation and Programming Instruction Manual Options RW3 DR 1 Page 12 of 28 SETUP FUNCTIONS AND VARIABLES L m3 kg Ib GAL USGAL bbl no units 0 1 2 3 Ref displayed value 0 000001 9 999 999 unit second 0 6 mL L m3 mg g kg ton GAL bbl Ib cf REV no unit scf Nm3 NL P 22 TIME UNIT sec min hour
64. y tap the flow meter housing to overcome residual friction while making the adjustment Test for freedom of the pointer movement by rotating the pointer approximately 30 degrees and releasing Pointer should return quickly to the zero reference point Clean and reinstall the lens 4 5 Fine Zero Adjustment Note if fitted with 4 wire transmitter or with reed switches do not use this procedure Do all adjustments with the coarse zero adjustment Adjustment of the zero using this method will require recalibration of the reed switches or transmitter Grip the pointer close to the hub on both sides of the hub and rotate the hub with respect to the pointer The pointer should aim directly at the zero reference point printed on the dial as shown in figure 4 Gently tap the flow meter housing to overcome residual friction while making the adjustment Test for freedom of pointer movement by rotating the pointer approximately 30 degrees and releasing Pointer should return quickly to zero reference Clean and reinstall lens 4 6 Flow Calibration The orifice has been factory adjusted to provide the proper differential pressure for accurate flow meter operation NIST traceable certifications are available when ordered prior to shipment or may be obtained by returning the flow meter for recalibration Field calibration may be verified using the following procedure Check the zero adjustment of the pointer Cycle the flow rate from zero to full scale

Manual

Contents

Download Pdf Manuals

Related Search

Related Contents