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V15 Wall Mounted FLowmeter User Manual

1. iea 8 2 2 2 Installing da Edw aaa TEE en d 8 2 2 3 Distance from Transmitter to enne enne nna 8 2 2 4 Transducer Cables RR ERE RR HER MAR ERA BEARARE 9 2 255 Input and output Cable meressa rne rene ena ne nene nc ra ne Ce era rear due ver er ua n 9 2 2 6 Power Supply sec tne ertet derart retener eene fee entrer ee edu e et 9 VACBIQUIMI M 10 2 4 KEYPAD OPERATION 2 lade cal FR EASTER tnd Sha RR seated dhe Ra ER da eae du 10 2 5 M ENU WINDOWS ENTERING 11 2 6 QUICK GUIDE FOR PARAMETERS SETTING 444 n6 11 2 1 CM Tree d ME 12 2 1 Le SIQMal SUPENQUN mE 12 ZiT IMAL 13 2 7 3 Total Transit Time and Delta 13 2 1 4 Transit TIME eene re tere dec erede e ter o dee der der da Pe aa deck n D eda dre Tg e da ada en 13 3 MENU WINDOW iic eee 14 3 1 MENU WINDOWS ARRANGEMENT einen iens 14 3 2 MENU WINDOW DETAI
2. M94 Displays the Reynolds number and the pipe factor used by the flow rate measurement program Pipe factor is calculated based on the ratio of the line average velocity and the cross section average velocity M95 1 Display the positive and negative energy totalizers 2 Upon entering this window the circular display function will be started automatically The following windows will be displayed one by one each window will stay for 8 seconds M95 gt gt M00 gt gt M01 gt gt M02 gt gt M02 gt gt 03 gt gt 04 gt gt 05 gt gt 06 gt gt 07 gt gt 08 gt gt 90 gt gt 91 gt gt 92 gt gt M93 gt gt 94 gt gt 95 This function allows the user to visit all the important information without any manual action To stop this function simply press a key Or switch to a window other than M95 22 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com _Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER M96 This is not a window but a command for the thermal printer to advance 5 lines of paper This is not a window but a command to print the pipe parameters M97 By default the produced data will be directed to the internal serial bus thermal printer You can also direct those data to the serial communication port This is not a window but a command to print the diagnostic informatio
3. falling edge when stop receiving 2mA or more current 6 AI5 rising edge when receives 2mA or more current 7 AI5 falling edge when stop receiving 2mA or more current 8 Timer periodically define the start time and interval time in M51 9 Timer daily define the start time and interval time in M51 M80 For the input analog current signal 0 mA indicates 0 4mA or more indicates 1 By selecting item 8 the batch totalizer can be started periodically by the internal timer located at Menu51 When the batch totalizer is full a signal which indicate the batch is full can be direct to either the OCT or the RELAY terminals to stop the pump or other devices By selecting item 9 the batch totalizer could act as totalizer witch runs for only a period of the day so that a alarm signal could be produced if the total flow during that time period is Over a certain amount of For example if you want a alarm signal which stand for the total flow is over 100 cubic meters during the period of every day from 20 00 to 06 00 setups is like M51 start time 20 00 00 M51 interval 10 00 00 M51 log times 29999 means always M80 select item 9 M81 input 100 Unit is defined in M30 M31 M32 The built in batch controller Set the flow batch value dose The internal output of the batch controller can be directed either to the OCT or the RELAY M81 output circuits M81 and M80 should be used together to configure the
4. 0 2 0 0 1020 1 21 110 44 0 nennen nennen enn nennen ener 29 4 23 HOW TO USE THE MANUAL 2 10 0 001 12 0 1 2 0 4 nennen enne ener enn nens 30 4 24 How TO CHECK THE ESN AND OTHER MINOR DETAILS 1 1 30 4 25 HOW TO USE THE DATA LOGGER FOR SCHEDULED 1 1 1 02 00021 1 1 10 4 00 30 4 26 How TO OUTPUT ANALOGUE VOLTAGE nennen 30 4 27 HOW TOADJUST THE LCD DISPLAY 2 2025 Eh ri dr het e ne E d 30 4 28 How USE RS232 8 5485 2 0 4 0 00006 30 4 29 How TO USE AUTOMATIC AM ENDING FUNCTION FOR OFFLINE 5 2 4 3l 4 30 HOW TO USEBATCH CONTROLLER rte been Re xtv e eb rv Ye eg aee a Ye Ug aV e PY a Re eR 3l 4 31 HOW TO ADJUST THE ANALOGUE 22 4 nennen nnne nnn 31 4 32 HOW TO SOLIDIFY THE 5 1 1 1 01 nennen nennen enne ien ener enne nens 3l 4 33 HOW TO ENTER THE PARAMETERS OF 5
5. 2 Not Ready No R 3 Reverse Flow 4 AO Over 100 5 FO Over 120 6 Alarm 1 7 Reverse Alarm 2 MT 8 Batch Control 9 POS Int Pulse 10 NEG Int Pulse 11 NET Int Pulse 12 Energy POS Pulse 13 Energy NEG Pulse 14 Energy NET Pulse 15 MediaVel gt Thresh 16 MediaVelo lt Thresh 17 ON OFF viaRS232 18 Daily Timer M51 19 Timed alarm 1 20 Timed alarm 2 2 Batch Totalizer Full 22 M51 Timer 23 Key Stroking ON 24 Disable BEEPER OCT Open Collect Transistor Output OCT1 setup By selecting a proper input source the OCT circuit will close when the trigger event occurs The available trigger sources are 0 No Signal 1 Poor Signal 2 Not Ready No R 3 Reverse Flow 4 AO Over 10096 5 FO Over 120 6 Alarm 1 7 Reverse Alarm 2 8 Batch Control 9 POS Int Pulse 10 NEG Int Pulse 11 NET Int Pulse 12 Energy POS Pulse 13 Energy NEG Pulse M78 14 NET Pulse 15 MediaVel gt Thresh 16 MediaVelo Thresh 17 0N OFF viaRS232 18 Daily Timer M51 19 Timed alarm 1 20 Timed alarm 2 2 Batch Totalizer Full 22 Periodically M51 Timer 23 Oct Not Using The OCT circuit does not source voltage at its output It must be connected with an external power and pull up resistant for some occasions When the OCT circuit is close it will draw current The maximum current shall not be over 100mA Attention the maximum voltage applied to OCT can not be over 80 volts Relay or OCT2 setup By selecting a proper input source the RELAY will close when the trigg
6. 00 Then press to enter the window of adjusting the 20mA output When finished adjusting you have to use menu window 26 to store the result into the flash memory so that it will be solidified and will not be lost even the reserve battery removed 4 32 How to solidify the parameters There are three kinds of parameters for new generation ultrasonic flowmeter 1 Current parameters the parameters are stored in the RAM They will be lost when one cut off the power or remove the reserve battery 2 Solidified parameters user may use window M26 to store the parameters in the Flash memory and they will not be lost even power off This menu window is also a switch for the parameters in flash memory to be loaded when power is turned on The default option is that the parameters will be loaded So if the parameters are very stable you may need this option For detailed operation please refer to chapter of Window Menu Details 4 User frequently used parameters you can use menu window 27 to store or restore from the internal Flash memory as many as 9 different pipe parameter configurations 31 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual e FREEHOTWATER 4 33 How to enter the parameters of user type transducer If a user type transducer is selected in menu window 23 you need proceed to en
7. 1A 125VAC or 2 30VDC For ON OFF control alarm driver totalizer output etc Sound alarm Inputs RTD interface optional two temperature channels that accommodate two PT100 3 wire temperature sensors for thermal energy measurement Analog input one channel of 4 20mA input Can be used for temperature pressure or liquid level sensor Data Logger Optional SD data logger from 1G 8G Recording Automatically record the following information eThe positive negative net flow heater totalizer data of the last 512days 128monts 10years eThe power on time and corresponding flow rate of the last 30 power on and off events Allow manual or automatic flow loss compensation Communication Isolated RS 485 with power surge protection Support the MODBUS Interface protocol M BUS and FUJI s extending flowmeter protocol Other function Capable of offline compensation for flow totalizer automatic manual selectable Self diagnosis Enclosure Die cast aluminum enclosure Protection Class IP65 NEMA 4X Weather resisitant Size 9 88 X 7 56 3 15 251 X 192 X 80mm Weight 2 5kgs Power supply 220VAC 8 36VDC Temperature 10 C 70 C Humidity 85 RH TRANSDUCER amp CABLE Clamp on type Standard 51 for 1 4 DN25 DN100mm Standard for 2 28 DNS50 DN700mm Standard L1 for 11 240 DN300 DN6000mm High temperature S1H for 1 4 DN25 DN100mm High temperature for 2 28 DN50 DN700mm Insertion wetted type Fo
8. 5 1 32 4 34 HOW TO USE THE CIRCULAR DISPLAY FUNCTION 201 4 9 nennen nennen eene 32 4 35 HOW TO ENTER INTO THE LINEARITY CORRECTING HOW TO ENTER INTO THE DATA 1 1 32 4 36 HOW TO SAVE RESTORE FREQUENTLY USED PIPE 5 4 4 enne 33 4 37 How TO USE SIM ULATION RUN 5 5 1 0 0 01 4 0 1 0 01 104 0 33 4 38 HOW TO CONNECT RS485 PORT ini ttn terea tee 33 5 TROUBLESHOOTING BEER ERR REPRE RRR RRR RRR RRR RRR 34 5 1 HARDWARE SELF DIAGNOSIS ERRORS AND 5 5 1 40 enne enne nennen 34 5 2 WORKING STATUS ERRORS AND SOLUTIONS 4 4 34 5 3 OTHER PROBLEMS AND 5 5 1 0 00 0 36 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 i n1 W T M n FI wm r rM n http www freehotwater com ersion 15 Wa ounted Flo eter User Manua FREEHOTWATER Chapter 1 Introduction 1 1 Preface Welcome to the latest vers
9. a wide range of pipe flow measurements Applicable liquids include pure liquids as well as liquid with small quantity of tine particles Examples are Water hot water chilled water city water sea water waste water ect eSewage with small particle content eOil crude oil lubricating oil diesel oil fuel oil etc eChemicals alcohol acids etc ePlant effluent eBeverage liquid food eUltra pure liquids eSolvents and other liquids Applications sorted by industry process Water and waste water management Water and waste water treatment plants Power plants such as nuclear power plants and hydraulic power plants 4 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER Mining and metallurgy plants Petroleum process monitoring and control Chemical process monitoring and control Pulp and paper process monitoring and control Food and beverage processing Marine maintenance and operation Pipeline leakage detection HVAC hydronic balancing Energy supply and production systems Flow measurement networking 1 5Packing list As different request the items may vary but the main should be available as below eTransmitter lunit eTransducer 1 set 2ea Transducers cable 1 6 Optional parts 51 clamp on transducers for pipe size 1 2 4 clamp on transducers for pipe size 2 28 L1 clamp on transducers
10. include the following 1 There is no receiving signal 2 There is poor signal received 3 The flow meter is not in normal measurement modes 4 Reverse flow 5 Overflow occurs at the analogue output by 100 or more 6 Overflow occurs at the frequency output by 12096 or more 7 The flow rate is out of the specified range which is configured in windows M73 and M74 for Alarm 1 and in windows M75 and M76 for Alarm 2 Example A assume we need the Buzzer to start beeping when the flow meter is not ready in normal measurement Switch to M77 select item 2 Abnormal Measurement State Example B assume we need the Buzzer to start beeping when the flow rate is less than 300 m h and greater than 1000m h The following setup steps would be recommended 1 Enter flow rate lower limit 300 in M73 for 1 alarm 2 Enter flow rate upper limit 1000 in M74 for 1 alarm 3 Select item 6 Alarm 1 in M77 Example C assume we need the OCT output to activate when flow rate exceeds 100 500m h and the relay output to activate when flow rate exceeds 600 1000m3 h The following setup steps would be 28 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER recommended Enter flow rate lower limit 100 in M73 1 2 Enter flow rate upper limit 500 in M74 3 Enter flow rate lower limit 600 in M75 4 Enter flow rate lower limit 1000 in M76 5 Select
11. item 6 Alarm 1 in M78 6 Select item 6 Alarm 1 in M79 4 18 How to use the built in Buzzer The built in buzzer is user configurable It can be used as an alarm Use M77 for setups 4 19 How to use the OCT output The OCT output is user configurable which can be performed by selecting the proper input source such as pulse output Use M78 for the setups Please make sure that the Frequency Output shares the OCT 4 20 How to modify the built in calendar No modification on the built in calendar will be needed in most cases The calendar runs on insignificant amount of power supply Modification will be required only in such cases as when the battery is totally consumed or when the changing of the battery takes a long time Press the ENT key under M60 for Modification Use the dot key to skip over these digits that need no modification 4 21 How to view the Date Totalizers Use M82 to view the date totalizers that are comprised of a daily totalizer a monthly totalizer and a yearly totalizer 4 22 How to use the Working Timer Use the working timer to check the time that has passed with a certain kind of operation For example use it as a timer to show how long a fully charged battery will last Under M72 press ENT key and then select YES to reset the timer 29 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER 4 23 How to use the manual t
12. make sure the power supply type of your flowmeter matches the power source to which the flowmeter will be connected WARNING Be careful about the power supply type of your flowmeter and the power supply wiring Connecting to a wrong type power source or improper connection of line power could damage the flowmeter It may also cause hazardous voltage at enclosure the transducer flow cell and associated piping Open the transmitter enclosure on the lower left corner refer to the figure in Appendix 9 1 you should see three terminal blocks which pins are labeled as 11 12 and 13 Normally pin 13 should be connected to your Earth ground Make sure your Earth ground is good Pins 11 and 12 should be connected to Neutral and Line respectively If 24VDC power source is used its positive lead and negative lead should be connected to pin 21 and 22 Please refer to the figure in Appendix 9 1 for more wiring information Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual Wm FREEHOTWATER 2 3 Power Up The wall mounted flowmeter doesn t have power ON OFF switch When it is connected to power it will start to run automatically WARNING Before connecting the device to power source please do a final check to make sure all the wiring are corrected and all the local safety codes are followed After the power is turned on the flowmeter will
13. produce an alarm or output when fluid material changes M 7 Displays total flow for this month only for the time past M 8 Displays total flow for this year only for the time past M49 Display the not working total time in seconds The total failure timer will also include the time when power off if the back up battery is applied M 2 Entry to solidify the zero point Password protected Setup the Q value threshold M 5 If the present Q is below this threshold flow rate will be set to 0 This function is useful when flow meter is installed in noisy environment or on airy pipes M 8 The maximum flow rates for today and this month M 9 Serial port tester with CMM command output for very second 0 Entry to hardware adjusting windows only for the manufacturer M 1 4 20mA output adjustment M 2 4mA calibration for AI3 input M 3 20mA calibration for input M 4 4mA calibration for input M 5 20mA calibration for input 23 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER M 6 4mA calibration for AIS input M 7 20mA calibration for AI5 input M 8 Lower Temperature Zero setup for the PT100 M 9 Higher Temperature Zero setup for the PT100 M A Temperature Calibration at 50 C M B Temperature Calibration at 84 5 Note 1 Windows in Red are new to our older version of flow meter 2 Wind
14. run a self diagnostic program checking first the hardware and then the software integrity If there is any abnormality corresponding error messages will be displayed Please refer to chapter 7 for more error code explanations After successful internal check the flowmeter will display menu window Ol short for MOI the menu window which was active at last power off It will also start the measurements by using the parameters configured last time by the user or by the initial program The flow measurement program always operates in the background of the user interface This means that the flow measurement will keep running regardless of any user menu window browsing or viewing Only when the user enters new pipe parameters will the flowmeter change measurement to reflect the new parameters changes When the power is turned on or new pipe parameters are entered the flowmeter will enter into a self adjusting mode to adjust the gain of the receiving circuits so that signal strength will be within a proper range By this step the flow meter finds a the best system gain which matches the pipe material and fluid type If the self adapting process is completed successfully letter R will be displayed When the user adjusts the position of the installed transducers the flow meter will re adjust the signal gain automatically 2 4 Keypad operation The keypad of the flowmeter has 16 keys Figure 2 1 Figure 2 1 keypad Keys 0 9 and
15. the Set Zero function on this non standstill flowing pipe To solve this problem use the Reset Zero function on menu window M43 Q2 The displayed flow rate is much lower or much higher than the actual flow rate in the pipe under normal working conditions RE 1 There is probably an offset value wrongly entered by the user in M44 Enter 0 in M44 2 Problem with transducer installation 3 There is a Zero Point Try to zero the instrument by using M42 and make sure that the flow inside the pipe should be standstill Appendix Main PCB Wiring Diagram 61 62 63 64 65 66 67 68 GND AIG AI5 GND T2 TX2 H 3 8 20 P ag 5 25 RO 3 Pul up Resstor 1 10k Q Upstream Downstream o Irensducer fransciucer 1 f 11 12 13 42 43 44 45 46 21 22 23 24 25 26 27 28 29 30 33 34 ZEN ETN N ETS ZEN C XU e allallalle eee allalla eee PIDDI KU T L N TENT AO Tee RLY RLY OCT AI3 14 m up DAT DN jl l ppe 2 j E OUT 2 o gg 2 2 8 5 AA hieding DA d l 2 4 3 8 8 o Lack i 5 8 5 EE 9 8 5 amp 36
16. the upper frequency limit of the frequency output LCD display backlight control The entered value indicates how many seconds the backlight will be on with every key pressing If the enter value is great than 50000 seconds It means that the backlight will always keeping on M71 LCD contrast control The LCD will become darker or brighter when a value is entered M72 Working timer It can be cleared by pressing ENT key and then select YES M73 Window to setup the lower limit of flow rate for Alarm 1 When the flow rate is below the set value Alarm 1 equals on M74 Window to setup the upper limit of flow rate for Alarm 1 When the flow rate is above the set value Alarm 1 equals on There are two alarms in the flow meter and every alarm can be pointed to alarm output devices such as the BUZZER or OCT output or RELAY output For example if you want the Alarm 1 is to output by the OCT circuit you need to set M78 at selection item 6 19 Free Hot Water 2146 Bering Drive San Jose 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATE M75 Window to setup the lower limit of flow rate for Alarm 2 M76 Window to setup the upper limit of flow rate for Alarm 2 Buzzer setup If a proper input source is selected the buzzer will beep when the trigger event occurs The available trigger sources are 0 No Signal 1 Poor Signal
17. 1 Z method 2 N method 3 W method Display the transducer mounting spacing or distance M27 1 A switch for the parameters in flash memory will be loaded when power is turned on The default option is that the parameters will be loaded If this switch is not turned on the system will try to use the parameters in the system RAM if these parameters are ok otherwise the system will load the parameters in flash memory 2 Function to store the current parameters into the flash memory so that these parameters will be solidified and will be loaded as the default parameters every time when power is turned on All setup parameters data are stored in the RAM memory temporally Users need to solidify the parameters when setup are been finished that is to store the parameter to the internal flash memory Go to Menu 26 select the option that says make default paras then pressing the ENT key will start the progress of storing If the current parameters are different with that in the flash memory the system will store your current parameters into the flash memory and then boot again By doing so the parameters will always get lost even when both the power supply and the backup battery are removed Entry to store to or restore from the internal Flash memory as many as 9 different pipe parameter configurations To save or load the current setup parameter use the going up or going down keys to change the address number press
18. 131 408 432 9900 tp www freehotwater com FREEHOTWATER 5 1 Hardware self diagnosis errors and solutions The ultrasonic flow meter provides an automatic power on diagnosis for the hardware problems When any message while power on in the following table displays counter measures should be taken Table 1 Error message on LCD Causes Counter measures ROM Parity Error ROM operation illegal Error 1 Reboot the system 2 Contact the manufacturer Stored Data Error RAM parameters data Error Reboot the system 2 If problem persists press ENT key to restore the factory default configuration System data memorizer Error System data storing Error Power ON again Contact with factory Electro circuit Hardware Error CPU electro circuit Error Power ON again Contact with factory CPU Clock Speed Error System clock Error Power ON again Contact with factory Date Time Error Number errors with the calendar Re set calendar No Display Erratic Abnormal Operation Problem with wiring Double check wiring connections No response to key Keypad is locked Unlock the keypad 5 2 Working status errors and solutions While under working status the ultrasonic flow meter will show Error Code in the lower right corner with a single letter like R etc on menu windows MOO M01 M02 M90 and M08 When any abnormal Error Code shows counter
19. 5 20 45 19 78 1 03 50 56 51 23 0 99 In order to revised the flow exceed the scope of the above table without mutations of correction factor we add two points on the basis of the above five points 0 m h 1 0 and 100000 m h 1 0 0 m h 1 0 is called the minimum flow of the amendment point this set of data is used to facilitate to generated a appropriate correction factor when Instrumented show flow under 1 02 m h 100000 m h 1 0 is called the maximum flow of the amendment point this set of data is used to facilitate to generated a appropriate correction factor when Instrumented show flow above 50 56 m h So that we get the following data sets from small to large 32 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual ER FREEHOTWATER 0 0998 102 5 505 0 93 10 85 0 95 19 78 1 03 51 23 0 99 100000 1 total is seven sets of data The next step is to put seven sets of data entered into the Instrument Pay attention to the input order in accordance with from small to large To enter the menu M48 then input the data set number 7 to be followed in the above seven sets of data we revised the setup of a multi segment linearity correcting If you need to cancel linearity correcting simply enter 0 in the menu M48 Decommissioned linearity correcting you just need to enter in the menu M48 data points in t
20. ENT key and use going down or going up keys to select to save to or load from the memory M28 Entry to determine whether or not to hold or to keep the last good value when poor signal condition occurs YES is the default setup M29 Entry to setup empty signal threshold When the signal is less than this threshold the pipe is regarded as empty pipe and the flow meter will not totalize flow This is based on the fact that for most occasions when pipe is empty the transducer 16 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER would still receive signal just smaller than normal As a result The flow meter would show normal operation which is not correct Make sure that the entered value must be less than the normal signal strength When much noisy signals are received to make sure the flow meter will not incorrectly totalize flow there is also a Q threshold should be entered in M 5 M30 Window for selecting unit system The conversion English to Metric or vice versa will not affect the unit for totalizers M31 Window for selecting flow rate unit system Flow rate can be in Cubic meter short for m Liter 1 USA gallon gal Imperial Gallon igl Million USA gallon mgl Cubic feet cf USA liquid barrel bal Oil barrel ob The flow unit in terms
21. Factory default is MODBUS ASCII this is a mode for MODBUS ASCII Meter BUS Fuji Extended Protocol Huizhong s various protocols If you are going using MODBUS RTU you have to select MODBUS_RTU M64 AI3 value range Used to enter temperature pressure values that are corresponding to 4mA and 20mA input current The display values have no unit so that they can present any physical parameter M65 value range Used to enter temperature pressure values that are corresponding to 4mA and 20mA input current M66 AI5 value range Used to enter temperature pressure values that are corresponding to 4mA and 20mA input current M67 Windows to setup the frequency range lower and upper limit for the frequency output function Valid range is 0Hz 9999Hz Factory default value is 0 1000 Hz For Version 12 Version 13 Version 14 flow meters you need a hardware module which shall be plugged to the Serial Expanding Bus for the frequency output function Please remember to order the module if you need frequency output function For Version 15 flow meter you need to indicate on your orders that you need the frequency function Otherwise you will get a flow meter which has no frequency output circuits M68 Window to setup the minimum flow rate value which corresponds to the lower frequency limit of the frequency output M69 M70 Windows to setup the maximum flow Rate value that corresponds to
22. LS seen nena nennen iin nenas 14 4 HOW TO 24 4 1 HOW JUDGE IF THE INSTRUMENT WORKS PROPERLY enne nnn 24 4 2 HOW TO JUDGE THE LIQUID FLOWING DIRECTION 444 nennen enne nnn 24 4 3 HOW TO CHANGE BETWEEN UNITS 5 5 5 nennen nennen nennen nennen nn 24 4 4 HOW TO SELECT A REQUIRED FLOW RATE 24 4 5 HOW TO USE THE TOTALIZER MULTIPLIER 440 nnne nnn 24 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER 4 6 HOW TO OPEN OR SHUT THE TOTALIZERS 0 1 700 4 00 nnne nnne enn 25 4 7 HOW TO RESET THE TOTAHZERS in erbe trii tr E e bh e ei e ped GR daa E EC E ER ERR ER E 25 4 8 HOW TO RESTORE THE FLOW METER WITH DEFAULT SETUPS 1 1 10 25 4 9 HOW TO USE THE DAMPER essere enne nennen nennen nennen eerie ien ener eene enn 25 4 10 HOW TO USE THE ZERO CUTOFF FUNCTION 1 1 2 1102 00 0006 60 nennen e
23. Wall Mounted Ultrasonic Flowmeter Based on transit time flow measurement principle It measures flow rate of liquid in a closed pipe by using a pair of clamp on or wetted ultrasonic transducers Free Water 2146 Bering Drive San Jose CA 95131 405 432 9900 http www freehotwaterc FREEHOTWATER Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com FREEHOTWATER CHAPTER L INTRODUCTION 3 PREFACE m 3 1 2 NEW FUNCTION ADDED cdi EHE EX eve Ae eo FER RUE aged YR ERRE BERTA TER Ade FARE RR AERE QR ER DE VA ARE ERR ARR 3 1 3 PRINCIPLE c esse 3 1 4 TYPICAL APPLICATIONS 4 Lue R 5 1 0 2 1 dr Hn aie ni reis a HER Rd dos E RF I E ae 5 1 7 PRODUCT IDENTIFICATION 5 1 8 5 5 5 CHAPTER 2 INSTALLING AND M EASUREM ENT 7 PB engem P 7 2 2 INSTALEATION CONSIDERATIONS sei Leere tna De Ck o e ka i teed gua E ded avec de dade RA Dux d Axa Ra La NR tants 7 2 2 1 Transmitter ss so cetero terere
24. am signals the estimated liquid sound speed the transit time ratio R and etc As such one can be sure that the flow meter is working properly and the results are reliable and accurate 2 7 1 Signal Strength Signal strength S indicates the amplitude of receiving ultrasonic signals by a 3 digit number 000 means there is no signal detected and 999 refers to the maximum signal strength that can be received Note that sometimes when no confusion will introduced S value is expressed by two digits 00 99 for simplicity Although the instrument works well when the signal strength ranges from 60 to 90 stronger signal strength should be pursued because a stronger signal means a better result The following methods are recommended to obtain strong signals 1 If the current location is not good enough for a stable and reliable flow reading or if the signal strength is lower than 60 relocate to a more favorable location 2 Try to polish the outer surface of the pipe and apply more couplant to increase the signal strength 3 Tenderly adjust the position of the two transducers both vertically and horizontally while checking the signal strength Stop at the position where the signal strength reaches to maximum Then check the transducer spacing to make sure it is the same as or very close to what window M25 shows 4 If the installation method is V method and the pipe is big use may need to try Z method in order to get stronger signa
25. an be locked without a password or with a 1 to 4 digit password With a no password locking directly press the ENT key in M47 If the password is forgotten please contact the factory 4 14 How to use 4 20mA current loop output The version 15 wall mounted flowmeter has a self powered 4 20mA output which means the current loop doesn t external power supply On the wiring terminals of main PCB pin23 is AO pin22 is AO The accuracy of the current loop output is better than 0 196 It can be configured to different mode such as 4 20mA mode 0 20mA etc Mode selection can be made in menu M55 Refer to the next chapter for details on M55 In order to use the 4 20mA output function you need not only select the mode to be 4 20mA in M55 but also set the flow rate values which correspond to the minimum current 4mA and the maximum current 20mA Enter the two values in M56 and M57 Example A flow rate range is 0 500m h Just enter 0 in M56 and 500 in M57 26 Free Hot Water 2146 Bering Drive San Jose 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER Example flow rate range is 500 0 1000m h If flow direction is not an issue for you you may select 20 4 20mA mode in M55 Then enter 500 in M56 and 1000 in M57 If flow direction is an issue you may select 0 4 20mA mode in M55 This means that the current loop will output 0 4mA when flow rate is negative and 4 20mA wh
26. are number keys Key W is the going DOWN key when the user wants to go to the lower menu window It also works as key when entering numbers Key A is the going UP key when the user wants to go to the upper menu window It also works as key when entering numbers 4 is the backspace key when the user wants to go Left or wants to backspace the left character that is located to the left of the cursor END is ENTER key for any input or selections 10 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual tar tw Seehiotwatec corn FREEHOTWATER 0 is the key for the direct menu window jump over Whenever the user wants to proceed to a certain menu window the user can press this key followed by a 2 digit number The key is shortened as M key hereafter when referring to Key pressing induced beep sound can be enabled disabled in menu window M77 2 5 Menu Windows Entering method The flowmeter user interface comprises about 100 independent menu windows that are numbered by M00 MOI MO2 M99 M 0 M 1 etc There are two methods to visit a menu window 1 Direct jump in Simply press the key followed by a 2 digit number For example if user wants to visit menu window M11 for pipe outer diameter press the following three keys consecutively BN 1101 2 Press W key Each time of
27. batch controller Note Because the measuring period is 50015 the flow for every dos should be keeping at 60 seconds long to get a 1 dose accuracy View the daily monthly and yearly flow totalizer and thermal energy totalizer value M82 The totalizer values and errors for the last 64 days 32 last 32 months and last 2 years are stored in the RAM memory To view them use the ENT and UP Down keys Automatic Amending Function for automatic offline compensation Select YES to enable this function select NO to disable it When the function is enabled The flow meter will estimate the average flow uncounted or lost during the offline session and add the result to the totalizer M83 21 Version 15 Wall Mounted Flowmeter User Manual Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com The estimation of the uncounted flow is made by computing the product of the offline time period and the average flow rate which is the average of the flow rate before going offline and the one after going on line M84 Set the thermal energy unit 0 GJ 1 KC 2 KWh 3 BTU M85 Select temperature sources 0 from T1 T2 factory default 1 from 4 86 Select the Specific Heat Value Factory default is GB Under this setting the flow meter will calculate the enthalpy of water based on the international standard If
28. ed transducers installation please refer to transducers installing guide manual separately 2 2 3 Distance from Transmitter to Transducer In general the closer the transducer to the transmitter the better the signals All major cable suppliers can supply up to 1640ft 500m long transducer cable as per specifications Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 H http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER 2 2 4 Transducer Cables The flowmeter requires twisted shielded cable for the transducers We recommend to use the cable supplied by the manufacture If you want to do the transducer cabling by yourself please consult me in advance Try not route the transducer cable along with high current AC lines Avoid strong interference sources Make sure the cables and cable connections are protected from weather and corrosive conditions WARNING The transducers may have static charges accumulated during transportation Before connecting the transducers to the transmitter please do discharge the transducer in a safe area by shorting the centre conduction of the transducer cable connectors to the main shield of the connector 2 2 5 Input and output cable Using standard twisted pair wiring 2 2 6 Power Supply Wiring The user normally selects the type of power supply when the order is placed There are two types of power supply options 85 264VAC and 24VDC User must
29. eed to enter either the outer diameter in M11 or the peripheral in M10 M12 Window for entering pipe wall thickness You may skip the menu and enter inner diameter in M13 instead M13 Window for entering the inner diameter of the pipe If pipe outer diameter and wall thickness are enter correctly the inner diameter will be calculated automatically thus no need to change anything in the window M14 Window for selecting pipe material Standard pipe materials no need to enter material sound speed include 0 carbon steel 1 stainless steel 2 cast iron 3 ductile iron 4 copper 5 PVC 6 aluminum 7 asbestos 8 fiberglass 9 other need to enter material sound speed in M15 M15 Window for entering the pipe material speed only for non standard pipe materials M16 Window for selecting the liner material select none for pipes without any liner Standard liner materials no need to enter the liner sound speed include 1 Tar Epoxy 2 Rubber 3 Mortar 4 Polypropylene 5 Polystryol 6 Polystyrene 7 Polyester 8 Polyethylene 9 Ebonite 10 Teflon 11 Other need to enter liner sound speed in M17 M17 Window for entering the non standard liner material speed M18 Window for entering the liner thickness if there is a liner M19 Window for entering the ABS thickness of the inside wall of the pipe M20 Window for selecting fluid type For standard liquids no need
30. en flow rate is positive Enter 500 in M56 and 1000 in M57 You may need to calibrate and test the current loop output before using it Just go to menu M58 and do the following First connect an ammeter to the current loop output Press MENU 5 then ENT to enter into menu M58 Use and 4 to display OmA AmA 8mA 16mA 20mA orderly record the corresponding reading on the ammeter Calculate the differences between the readings and the selected ones For instance when is selected the actual output current shown on the ammeter is 4 01mA Then the difference is 0 01mA If the differences are not within tolerance calibrate the current loop The present current loop output is displayed in Window M59 It changes along with flow rate change 4 15 How to use the Frequency Output There is a Frequency Output in all series ultrasonic flow meters This frequency output signal which represents the flow rate is intended to connect with other instruments The Frequency Output is totally user configurable Generally four parameters should be configured for the setups Enter the lower flow rate value in window M68 and the higher flow rate value in window M69 Enter the frequency range in window M67 For example assume that the flow rate varies in a range Om h to 3000m h and an output signal is at a maximum frequency of 1000Hz the minimum of 200Hz is goi
31. er event occurs The available trigger sources are 0 No Signal 1 Poor Signal 2 Not Ready No R 3 Reverse Flow 4 AO Over 100 M79 5 FO Over 120 6 Alarm 1 7 Reverse Alarm 2 8 Batch Control 9 POS Int Pulse 10 NEG Int Pulse 11 NET Int Pulse 12 Energy POS Pulse 13 Energy NEG Pulse 14 Energy NET Pulse 15 MediaVel gt Thresh 16 MediaVelo lt Thresh 17 0N OFF viaRS232 18 Timer M51 Daily 19 Timed alarm 1 20 Timed alarm 2 2 Batch Totalizer Full 22 Periodically M51 Timer 23 Disable Relay 20 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER The RELAY is of SPST Single pole single throw type It is rated for 110VAC max and have a current rating of 0 5A resistive load It highly recommended that a salve relay to be utilized whenever a large resistive load or inductive load is to be controlled Note In order to make the user interface compatible with the former version7 the name RELAY was used other than OCT2 but in fact it is an OCT output Window for selecting the trig signal for the built in batch controller Available trig sources 0 Key input press ENT key to start the batch controller 1 Serial port 2 AI3 rising edge when AI3 receives 2mA or more current 3 AI3 falling edge when stop receiving 2mA or more current 4 AIA rising edge when receives 2mA or more current 5
32. erates by alternately transmitting and receiving a coded burst of sound energy between the two transducers The transit times in the upstream direction as well as in the downstream direction are measured The difference of the two transit times is directly and exactly related to the velocity of the liquid in the pipe Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER Downstream transducer Rust proof layer n MD 5120 Tdown Installing w space upstream transducer Where O is the angle between the sound path and the flow direction M is the number of times the sound traverses the flow D is the pipe diameter Tup is the time for the beam travelling from upstream the transducer to the downstream transducer Tdown is the time for the beam travelling from the downstream transducer to the upstream transducer AT Tup Tdown The flow rate is then computed by combining the velocity information with pipe parameters and a scale factor The scale factor is normally determined by calibration in factory Three types of transducers can be used with transmitter the clamp on transducer the insertion wetted transducer also called hot tap and the flow cell inline transducer All of them don t block the flow thus do not generate pressure drop 1 4 Typical Applications The flowmeter can be applied in
33. for pipe size 11 240 clamp on high temperature transducers for pipe size 1 2 4 clamp on high temperature transducers for pipe 12 2 28 Insertion Wetted transducers hop tap Hot tap installing tools for insertion transducers Flow cell transducer Shielded transducers cable 2x meters Ultrasonic thickness meter measure pipe wall thickness for improve accuracy 1 7 Product Identification Each set of flowmeter has a unique identification number or ESN electronic serial number written into system software that can only be modified with a special tool by the manufacturer In case of any hardware failure please provide this number which is located on menu window M61 when contacting the manufacture 1 8 Specifications TRANSMITTER Accuracy 1 of reading plus 0 006m s 0 02ft s in velocity Repeatability Better than 0 2 Velocity range 0 03 105ft s 0 01 30m s bi directional Measurement period 0 5S Version 15 Wall Mounted Flowmeter User Manual Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com FREEHOTWATER keypad 4X4 tactile feedback membrane keypad Display LCD with backlight 2 X 20 letters Units English U S or metric Outputs Analog output 4 20mA or 0 20mA current output Impedance 0 1KQ Accuracy 0 1 Isolated OCT output for frequency output 0 9 999Hz alarm driver or totalizer pulse output ON OFF control etc Relay output
34. his example it is 7 Noted before the calibration of the instrument you must first close the linearity correcting function If under the condition that the linearity correcting function has not closed the calibration data sets arising from the amendment must be dealing with the reverse curve of the data following the original amendment then input to the Instrument Reverse amendment is very complicated and should be avoided 4 36 How to save restore frequently used pipe parameters You can use menu window 27 to store or restore from the internal Flash memory as many as 9 different pipe parameter configurations 4 37 How to use Simulation Run Status The new version flowmeter V15 48 and higher version has a function simulation run status This function can help the flowmeter communicate and function tested without installing transducers The detailed method Input 0 in window M11 the flowmeter will display flow velocity 1 23456m s 4 0504 ft s and display R If request instantaneous flow rate X just input X in window M44 4 38 How to connect RS485 port The RS485 port is isolated and need to connect RS485 and RS485 RS485 port is hardware channel of communication protocol For detailed communication protocol contents please refer to MODBUS and other protocol separately 33 Version 15 Wall Mounted Flowmeter User Manual 5 Troubleshooting Free Hot Water 2146 Bering Drive San Jose CA 95
35. ication operation is locked out In such cases the user should go to M48 to have the instrument unlocked before any further modification can be made 2 6 Quick Guide for parameters setting In order to get the correct transducer mounting distance the distance between the front edges of both transducers verify and set the following parameters 1 Pipe outer diameter menu M11 11 Free Hot Water 2146 Bering Drive San Jose 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual http vrere freehotwate com FREEHOTWATER 2 Pipe wall thickness menu M12 Or Pipe inner diameter menu M13 only either one 3 Pipe material menu M14 4 Liner menu M16 5 Fluid type menu M20 6 Transducer type menu M23 7 Transducer mounting method type Please refer to transducer installing guide for detailed method selection menu M24 When the parameters above are properly set the correct transducer mounting distance is calculated and displayed in menu M25 8 Solidifying parameters inputting in menu M26 For this operation please refer to chapter of Window Menu Details ATTENTION It is strongly recommended to solidifying the parameters while making any changes 2 7 Installing checkup After the completion of transducer installation user should check the following item the receiving signal strength S the signal quality Q value the delta time travelling time difference between the upstream and the downstre
36. ion wall mounted ultrasonic flowmeter which is designed to be installed in a fixed location for long term flow heat measurement Please read this instruction manual thoroughly before installing and operation The wall mounted flowmeter is based on transit time flow measurement principle It measures flow rate of liquid in a closed pipe by using a pair of clamp on or wetted ultrasonic transducers In general the liquid should be full of pipe and should contain no or small amount of particles or air bubbles The flowmeter is configured as below e Transducer A pair of ultrasonic transducers clamped on the external surface of a pipe eTransmitter Transmitter is main electronic processor Transducers and transmitter are connected by two double shield high frequency cables 1 2 New Function Added Comparing with previous version this version has the following features 1 MODBUS M BUS and FUJI extending communication protocol by RS485 port 2 4 thermal energy units optional and apply to the standardization of EU 3 1G 8G SD data logger available 1 3 Operation Principle The ultrasonic flowmeter utilizes the well known transit time measurement principle plus our proprietary signal processing and ultrasonic transceiving technologies As shown in Figure 1 pair of ultrasonic transducers are mounted on the pipe of upstream and downstream respectively Each transducers functions as both ultrasonic transmitter and receiver The main unit op
37. l 12 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER 2 7 2 Signal Quality Signal quality is indicated as the Q value in the instrument A higher Q value would mean a higher signal to Noise Ratio SNR and accordingly a higher degree of accuracy able to be achieved Under normal pipe condition the Q value is in the range of 60 99 the higher the better Causes for a lower Q value could be 1 Interference from other instruments and devices nearby such as a power frequency transverter which could cause strong interference Try to relocate the flow meter to a new place where the interference can be reduced 2 Bad sonic coupling between the transducers and the pipe Try to polish the pipe surface again clean the surface and apply more couplant etc 3 The selected pipe section is difficult to conduct the measurement Relocate to a more favorable pipe line 2 7 3 Total Transit Time and Delta Time The total transit time or traveling time and the delta time are displayed on menu window M93 They are the primary data for the instrument to calculate the flow rate Therefore the measured flow rate will vary as the total transit time and delta time vary The total transit time should remain stable or vary in a very small range The delta time normally varies less than 20 If the variation exceeds 20 in either positive or negative direction there cou
38. lation when the actual flow is below the zero cutoff value Generally the default value is 0 03m s The low cutoff value does not affect the flow measurement when the actual flow is absolutely greater than the low cutoff value 25 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual htec est froslio ater cora FREEHOTWATER 4 11 How to setup a zero point There exists a Zero Point with certain installation which means the flow meter will display a non zero value when the flow is absolutely stopped In this case setting a zero point with the function in window M42 will bring a more accurate measurement result Make sure that there is no liquid running inside the pipe and then run the function in window M42 by pressing the ENT key 4 12 How to get a scale factor for calibration A scale factor is the ratio between the actual flow rate and the indicated value by the flow meter It can be determined by calibration with standard flow calibration equipment You may change the scale factor in menu window M45 The scale factor can be determined by calibration with flow calibration equipment 4 13 How to use the system locker The system locker provides a means of preventing inadvertent configuration changes or totalizer resets When the system is locked menu window browsing can be done without affecting any change but any modifications are prohibited The system c
39. ld be certain kinds of problems with the transducer installation The user should check the installation for sure 2 7 4 Transit Time Ratio Transit time ratio R is usually used to check whether the transducer installation is good and whether the entered pipe parameters are in consistency with their actual values If the pipe parameters are correct and the transducers are installed properly the transit time ratio should be in the range of 100 3 Particalarly when the flow is stand still the ratio should be very close to 100 If this range is exceeded the user should check 1 Ifthe entered pipe parameters are correct 2 Ifthe actual spacing of transducers is the same as or close to what shown on menu M25 3 Ifthe transducer are installed properly in the right direction 4 If the mounting location is good if the pipe has changed shape or if the pipe is too old 1 too much corrosion or deposition inside the pipe 5 If there is any interference source inside of the pipe 6 If there are other aspects which do not meet the measurement requirements as recommended earlier 13 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER 3 Menu Window Details 3 1 Menu Windows Arrangement 00 09 windows for the display of the flow rate velocity date time totalizers battery voltage and estimated working hours for the battery M10 M29 windows for ente
40. measures should be taken Error Correspondent Message Causes Counter measures code displayed on M08 R System Normal No error 1 No Signals detected 1 Polish the pipe surface 2 Transducers installed and clean the sport improperly Remove paint 3 much fouling 2 sure the couplant 4 Pipe liners are too thick is enough 5 Transducer cords 3 sure the 34 Version 15 Wall Mounted Flowmeter User Manual 408 432 9900 e http www freehotwater com properly connected transducer is tight contact with pipe surface 4 Check the transducer cables 5 Check installation parameters settings 6 Find a better measurement site Newer pipe no corrosion no depostion Hardware Error PoorSig Detected Hardware problem 1 Poor signal detected 2 Transducers improperly 3 Too much fouling 4 The pipe liners are too thick 5 Problem with transducers cords installed Contact the manufacturer 1 Relocate place 2 Clean the spot 3 Check 4 Check the coupler measuring cords Current of loop is bigger than 20mA 4 20mA loop output over 120 Improper settings for current loop output 1 Ignore it if current loop output is not used 2 Check current setting in M56 3 Confirm if the actual flow rate is too high loop Frequency Output Over 1 The frequency output is over 120 2 Improper
41. n M98 By default the produced data will be directed to the internal serial bus thermal printer You can also direct those data to the serial communication port This is not a window but a command to copy the current display window By default the produced data will be directed to the internal serial bus thermal printer You can also M99 direct those data to the serial communication port By use of the window copying function you can hardcopy very window displaying manually by switching windows or you can obtain the window displaying data by communication Browse 32 recorded instrument power on and power off date and time with the flow rate at the time of power on and off M Displays the total working time of the flow meter When the backup battery is removed the total working time will be reset to zero M 2 Displays the last power off date and time M 3 Displays the last power off flow rate M 4 Displays how many times of has been powered on and powered off A scientific calculator for the convenience of field working M45 All the values are in single accuracy The calculator can be used while the flow meter is conducting flow measurement Water density and PT100 temperature can also be found in this function Set fluid sound speed threshold M46 Whenever the estimated sound speed displayed in M92 exceeds this threshold an alarms signal will be generated and can transmitted to BUZZER or OCT or RELAY This function can used to
42. nds M41 Low flow rate or zero flow rate cut off to avoid invalid accumulation M42 Zero calibration Zero point setup Make sure the liquid in the pipe is not running while doing the setup M43 Clear the zero point value and restore the solidified zero point value M44 Set up a flow bias Generally this value should be 0 M45 Flow rate scale factor The default value is 1 17 Free Hot Water 2146 Bering Drive San Jose 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATE Keep this value as 1 when no calibration has been made M46 Networks address identification number Any integer can be entered except 13 0DH carriage return 10 OAH line feeding 42 2AH 38 65535 Every set of the instrument in a network environment should have a unique IDN Please refer to the chapter for communication M47 System locker to avoid modification of the system parameters If password is forgotten you could send a command LOCKO to the serial input to unlock Or you can write 0 to REGISTER49 50 under MODBUS protocol M48 Entry to linearity correcting data inputs By using of this function the non linearity of flow meter will be corrected Correcting data shall be obtained by careful calibration M49 Displays the input contents for the serial port By checking the displays you can know if the commu
43. ng to be required for other instrumentation The user should enter 0 in M68 and 3000 in M69 and enter 200 and 1000 in window M67 Please note that the user has to make the selection with OCT setups in window M78 OCT has not its own hardware channel so it borrows the OCT channel 27 Free Hot Water 2146 Bering Drive San Jose 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual Au Seehotwateccorn FREEHOTWATER 4 16 How to use the Totalizer Pulse Output The totalizer output will produce a pulse output with every unit flow of the totalizer The totalizer pulse output can only be realized by mapping the pulse output to the OCT or BUZZER hardware devices For example assume that the POS totalizer pulse output is needed and every pulse should represent 0 1cubic meter of liquid flow the pulse output will be mapped to the internal Buzzer so that with every 0 1 cubic meter of flow the BUZZER will beep for a while The following setups should be taken performed 1 Select the unit Cubic Meter under window M32 2 Select the Multiplier as 2 X0 1 under window M33 3 Select the output option 9 POS INT Pulse under window M77 INT stands for totalized 4 17 How to produce an alarm signal There are 2 types of hardware alarm signals that are available with this instrument One is the Buzzer and the other is the OCT output Both for the Buzzer and OCT output the triggering sources of the event
44. nication is ok M50 Switches for the built in data logger There are as many as 22 different items can be chosen To turn this function select YES the system will ask for selecting the items There are 22 items available Turn on all those items you want to output M51 Window to setup the time of scheduled output function data logger or Thermo printer This includes start time time interval and how many times of output When a number great than 8000 entered for the times of output It means the output will be keeping always The minimum time interval is 1 second and the maximum is 24 hours M52 Data logging direction control 1 If Send to RS485 is selected all the data produced by the data logger will be transmitted out through the RS 232 RS485 interface 2 If To the internal serial BUS is selected the data will be transmitted to the internal serial bus which allows a thermal printer or a 4 20mA analog output module to be connected to it M53 Display analog inputs AI5 current value and its corresponding temperature or pressure or liquid level value M54 Pulse width setup for the OCT OCT1 output Minimum is 6 mS maximum is 1000 mS M55 Select analog output 4 20mA current loop or CL mode Available options 0 4 20mA output mode setup the output range from 4 20mA 1 0 20mA output mode setup the output range from 4 20mA This mode can only be used with Version 15 flow me
45. nne enne enn 25 4 11 HOW TO SETUP A ZERO POINT iter te e i E te RE GE ER RR RE E Re ER RR ER FRED Ee Re RC eh 26 4 12 HOW GET A SCALE FACTOR FOR 2 4 enne nennen enne enn enne 26 4 13 HOW TO USE THE SYSTEM 10 1 00 0 0 1 2 04 14 006 nen erinnern enne ener 26 4 14 How TO USE 4 20MA CURRENT LOOP OUTPUT 2 1 0 0 10 22 14 0 41 12 4140044 00 26 4 15 How TO USE THE FREQUENCY OUTPUT enne nennen nennen nennen eene nennen nennen 27 4 16 How TO USE THE TOTALIZER PULSE OUTPUT nennen nennen 28 4 17 HOW TO PRODUCE AN ALARM SIGNAL 28 4 18 HOW TO USE THE BUILT IN BUZZER 2 1 29 4 19 HOW TO USE THE etti i te tee tr E RR E Rc E Fc Ee Ec E REY E 29 4 20 How TO MODIFY THE BUILT IN CALENDAR 2 nnne nennen enne nennen nens 29 4 21 How TO VIEW THE DATE 2 5 2200 0 2 211 0 0 0 1600 enne nnn nn 29 4 22 How TO USE THE WORKING
46. of time can be per day per hour per minute or per second So there are 32 different flow rate units in total for selection fF WN KF c M32 Window for selecting the totalizers unit Available units are the same as those in M31 M33 Window for setting the totalizer multiplying factor The multiplying factor ranges from 0 001 to 10000 Factory default is 1 M34 Turn on or turn off the NET totalizer M35 Turn on or turn off the POS positive totalizer M36 Turn on or turn off the NEG negative totalizer M37 1 Totalizer reset 2 Restore the factory default settings parameters Press the dot key followed by the backspace key Attention It is recommended to make note on the parameters before doing the restoration M38 Manual totalizer used for easier calibration Press a key to start and press a key to stop the manual totalizer M39 M3 Interface Language selection The selection could also be changed automatically by the system if English LCD display is used as the display device Setup for local segmental LCD display Enter 0 or 1 for the non auto scan mode Enter 2 39 for the auto scan mode In the auto scan mode the display will automatically scan displaying from 00 to the entered number of the local segmental LCD display M40 Flow rate damper for a stable value The damping parameter ranges form 0 to 999 seconds 0 means there is no damping Factory default is 10 seco
47. otalizer Use M38 for the manual totalizer Press ENT key to start and stop the totalizer 4 24 How to check the ESN and other minor details Every set of the flowmeter utilizes a unique ESN to identify the meter The ESN is an 8 digit number that provides the information of version and manufacturing date The user can also employ the ESN for instrumentation management The ESN is displayed in window M61 Other details about the instrument are the total working hours displayed in window 1 and the total power on times displayed in window M 4 4 25 How to use the data logger for scheduled output Use menu window 51 to setup the time of scheduled output including start time time interval and how many times of output Then use menu window 50 to turn on data logger and select the items you want to output 4 26 How to output analogue voltage signal Paralleled connect a 2500 resistance to the terminal of the Current loop output No 23 22 then you can change the 4 20mA output to analogue voltage output 4 27 How to adjust the LCD display You may use menu window 70 to setup the LCD display backlight and menu window 71to adjust contrast it 4 28 How to use RS232 RS485 Use menu window 62 to set up RS232 RS485 the devices connected with flow meter should have matched serial configuration The following parameters can be configured Baud rate 300 to 19200 bps parity data bits always is 8 stop bits 1 30 Free Ho
48. ows in blue are energy related windows 3 The term totalizer is also called accumulator 4 How To 4 1 How to judge if the instrument works properly Enter into MO8 if R is displayed on the screen the instrument is working properly If other indication character is up refer to Chapter 5 for diagnosis details 4 2 How to judge the liquid flowing direction 1 Make sure that the instrument works properly 2 Check the flow rate for the indication If the displayed value is POSITIVE the direction of the flow will be from the A transducers to the B transducers if the displayed value is NEGATIVE the direction will be from the B transducers to the A transducers 4 3 How to change between units systems Use menu window M30 for the selection of unit system in English or Metric system 4 4 How to select a required flow rate unit Use menu window M31 to select the flow unit first and then the timing unit 4 5 How to use the totalizer multiplier Use window M33 to select a proper totalizer Make sure that the totalizer pulse is appropriately speeded It should not be too fast and neither too slow A speed of producing a pulse in several 24 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual eoii e FREEHOTWATER seconds or minutes is preferable If the totalizer multiplier is too small there can be a loss of accumulation pulse because the output device can output onl
49. r 3 240 DN80 DN6000mm Flow cell inline type For DN15 DN1000mm Version 15 Wall Mounted Flowmeter User Manual Protection Class Transducer temperature Transducer cable LIQUIDS Liquid Types Liquid Temperature Pipe Pipe size Pipe material Straight pipe section Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com C FREEHOTWATER IP68 Standard clamp on type 0 C 70 C High temperature clamp on type 0 C 150 C Insertion wetted type 0 C 150 C Flow cell inline type 0 C 150 C Shielded transducers Standard length 15 5m Can be extended to 1640 500m Contact the manufacture for longer cable requirement Cable should not be laid in parallel with high voltage power lines neither should it be close to strong interference source such as power transformers Virtually all commonly used clean liquids Liquids with small quantity of tiny particles may also be applicable Particle size should be less than 100um particle concentration less than 20 000ppm lt 2 Liquid should contain no or very minor air bubbles 40 155 depending on transducer type DN15 DN6 000mm 0 5 240 All metals most plastics fiber glass etc Allow pipe liner 15D in most cases 30D if a pump is near upstream where D is pipe diameter Chapter 2 Installing and Measurement 2 1 Unpacking Please unpacking the shipping box and check the parts and documents against the packing
50. ring the pipe parameter M30 M38 windows for flow rate unit selections and totalizer unit selections M40 M49 windows for response time zeroing calibration and modification password setup M50 MS53 windows for the built in logger M60 M78 windows for time keeper initialization version and ESN information viewing and alarms M82 window for viewing date totalizer 90 94 are diagnostic windows for a more accurate measurement M97 M99 are not windows but commands for the outputting of display copying and pipe parameter setups 0 9 are windows for some additional functions including a scientific calculator viewer records such as total working hours turn on and turn off times dates and times when the flow meter has been turned on or turned off User doesn t need to remember all the menu windows Just remember the most commonly used window numbers and the approximate window number of some uncommonly used windows would be sufficient 3 2 Menu Window Details The major reason that menu windows are still arranged in this way is because software programmer hopes that it can be similar to the previous versions This can make it easier for the former version users to operate the latest version conveniently It is recommended to practice those menu windows on the flowmeter while you are first to use it Menu i window No Function Display flow rate and NET totalizer M00 If the net totalizer is turned off the net totali
51. settings frequency output 3 The actual flow rate is too high for 1 Ignore it if frequency output is not used 2 Check the values entered in M66 M67 M68 M69 3 Use a larger value in M69 if needed 4 Confirm if the actual flow rate is too high See Table 1 Temporary problems while self checking with power ON Permanent with hardware problems 1 Reboot the system 2 Contact manufactuere the Adjust Gain S1 Adjust Gain S2 Adjust Gain S3 Adjust Gain S4 Shown in 00 01 02 03 Instrument is in the progress of adjusting the gain for the signal and the number indicates the progressive steps If stopping at 1 or S2 or between S1 and S2 it means low receiving signal No need for action Empty pipe Setup on M29 No liquid inside pipe or Error 35 1 f the pipe is not full Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER setup relocate the meter to where the pipe is full of liquid 2 If the pipe is full enter 0 on M29 5 3 Other Problems and Solutions Q1 When the actual flow inside the pipe is not standstill but the instrument displays 0 0000 for the flow rate and R displaying signal strength and the signal quality Q value has a satisfactory value RE The problems are likely caused by the user who has used
52. slip If there is something missing the device is damaged or something is abnormal please contact us immediately and do not proceed with the installation WARNING The flowmeter can be used to measure flow of many liquids Some of the liquids may be hazardous It is important that user comply with local safety codes and regulations in installing and using electronic devices in the area 2 2 Installation Considerations This section provides guidelines for installing the wall mounted transmitter and transducers Free Hot Water 2146 Bering Drive San Jose 95131 408 432 9900 C http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual lt 3 FREEHOTWATER 2 2 1 Mounting Transmitter The main unit electronics are housed in an IP68 NEXA4X weather resistant and dust tight enclosure There the main unit can be installed indoors and outdoors Usually it is mounted in a meter shed or on a location where one can easily access for meter testing and servicing See the following figure for detailed dimensions 190mm 251mm 290mm 96mm 2 2 2 Installing Transducers Firstly you need to select a proper installation site For this one usually need to consider the accessibility of the location operating space needed for the installation safety code compliance etc In addition flow and pipe conditions near the installation site are also very important For detail
53. t Water 2146 Bering Drive San Jose CA 95131 408 432 9900 Version 15 Wall Mounted Flowmeter User Manual htec est fcio ater cora FREEHOTWATE 4 29 How to use automatic amending function for offline compensation Use menu window 83 turn on or turn off this function When the function is enabled the flow meter will estimate the average flow uncounted lost during the offline session and add the result to the totalizer This function is not recommended The user should manage to avoid the offline time to keep precision of the measurement result 4 30 How to use batch controller Please do the following to use the batch controller 1 Go to menu window 80 to select the trig signal 2 Go to menu window 78 OCT output or 79 relay output select 8 Batch Control 3 Use menu window 81 to set the flow batch value dose 4 31 How to adjust the analogue output We have adjusted every set of meter before delivery Unless you find the current indicated in menu 58 is different with the actual current output please do not do this operation Press keys W O use the password 4213068 to enter the window Notice the window will close after power off and the password will become invalid then Press keys W 1 to adjust the 4mA current output use precision ammeter to measure the output current at the same time use A W to adjust the digital on the flow meter until the ammeter indicate 4
54. ter 2 Serial port controls 0 20mA 3 4 20mA corresponding fluid sound speed 4 20 4 20mA mode 5 0 4 20mA mode can only be used with Version 15 flow meter 6 20 0 20mA mode can only be used with Version 15 flow meter 7 4 20mA corresponding flow velocity 8 4 20mA corresponding heat flow rate M56 4mA or output value Set the value which corresponds to 4mA or OmA output current 4mA or is determined by the setting in M55 M57 20mA output value Set the value which corresponds to 20mA output current M58 Current loop verification Check if the current loop is calibrated correctly 18 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER M59 Display the present output current of current loop circuit M60 Setup system date and time Press ENT for modification Use the dot key to skip the digits that need no modification M61 Display Version information and Electronic Serial Number ESN that is unique for each flow meter The users may employ the ESN for instrumentation management M62 RS 232 RS485 setup All the devices connected with flow meter should have matched serial configuration The following parameters can be configured Baud rate 300 to 19200 bps parity data bits always is 8 stop bits 1 M63 Select communication protocol
55. ter additional 4 user type wedge parameters that describe the user transducers If the PI type transducer is selected you need enter additional 4 PI type transducer parameters that describe the PI type transducers 4 34 How to use the circular display function When entering menu window 95 the circular display function will be started automatically The following windows will be displayed one by one each window will stay for 8 seconds 95 gt gt 00 gt gt 01 gt gt 02 gt gt 02 gt gt 03 gt gt 04 gt gt 05 gt gt 06 gt gt 07 gt gt 08 gt gt 90 gt gt 91 gt gt 92 gt gt 93 gt gt 94 gt gt 95 This function allows the user to visit all the important information without any manual action To stop this function simply press a key Or switch to a window other than M95 4 35 How to enter into the linearity correcting How to enter into the data When the product leaved the factory the function is closed The menu can realize almost 12 parts linearity correcting The user can choose from two points to twelve points to execute the linearity correcting according to user actual condition In order to explain the usage method of the menu we suppose that we get the following table data through calibration the meter Reference standard Instrumented show flow Correction coefficient equipment flow m h m h standard show value 1 02 0 0998 1 02 5 11 5 505 0 93 10 34 10 85 0 9
56. the key pressing will lead to the lower numbered menu window For example if the current window is on M12 the display will go to window M11 after the A key is pressed once User doesn t need to remember all the menu windows Just remember the most commonly used window numbers and the approximate window number of some uncommonly used windows would be sufficient You can always use W or keys to find the right window There are three different types of menu windows 1 Menu windows for number entering e g M11 for setting up pipe outer diameter 2 Menu windows for option selection e g M14 for the selection of pipe materials 3 Results display windows e g window for display flow rate etc For number entering windows the user can directly press the digit key if the user wants to modify the value For example if the current window is on M11 and the user wants to enter 219 2345 as the pipe outer diameter then the following keys should be pressed 2 1 9 L J 2 3 41 5 For option selection windows user should first press ENT key to get into option selection mode Then use W or A key or digit key to select the right option Consequently press ENT to make the selection Generally the END key must be pressed to get into the option selection mode for option modifications If the Locked M47 Open message is indicated on the bottom line of the LCD display it means that modif
57. the fluid is other than water you should select option 1 Fixed Specific Heat and enter the specific heat value of the fluid M87 Turn on or turn off the Energy totalizer M88 Select thermal energy totalizer multiplying factor Factory default is 1 M89 1 Display the temperature difference 2 Window for entering the lowest temperature difference M8 Heat meter is on 1 Inlet 2 Outlet Select the heat meter installation place M90 Display signal strengths S one for upstream and one for downstream and signal quality Q value Signal strength is presented by 00 0 to 99 9 the bigger the value the bigger the signal strength will be and more reliable readings will be made Q value is presented by 00 to 99 the bigger the better It should at least be great than 50 for normal operations M91 Displays the Time Ratio between the Measured Total Transit Time and the Calculated time If the pipe parameters are entered correctly and the transducers are properly installed the ratio value should be in the range of 100 3 Otherwise the entered parameters and the transducer installation should be checked M92 M93 Displays the estimated fluid sound velocity If this value has an obvious difference with the actual fluid sound speed pipe parameters entered and the transducer installation should be checked again Displays total transit time and delta time transit time difference
58. to enter fluid sound speed include 0 Water 1 Sea Water 2 Kerosene 3 Gasoline 4 Fuel oil 5 Crude Oil 6 Propane at 45 7 Butane at OC 15 Free Hot Water 2146 Bering Drive San Jose 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATER 8 Other liquids need to enter sound speed in M21 and viscosity in M22 9 Diesel Oil 10 Caster Oil 11 Peanut Oil 12 90 Gasoline 13 93 Gasoline 14 Alcohol 15 Hot water at 125C Window for entering the sound speed of non standard liquid used only when option item 8 Other is selected in M20 Window for entering the viscosity of the non standard liquids used only when option item 8 Other is selected in M20 Window for selecting transducer type the type can be used as below 3 User Type 5 Insertion Type B 45 Insertion transducer uses this option 10 Standard M1 high temp small size also uses this option 11 Standard S1 high temp medium size also uses this option 12 Standard L1 large size transducer 13 PL Type If the user type transducer is selected you need enter additional 4 user type wedge parameters that describe the user transducers If the PI type transducer is selected you need enter additional 4 PI type transducer parameters that describe the PI type transducers Window for selecting the transducer mounting methods Four methods can be selected 0 V method
59. y one pulse in a measurement period 500milliseconds If the totalizer multiplier is too large the output pulse will be too fewer for the devices that are connected with the instrument for a quicker response 4 6 How to open or shut the totalizers Use M34 M35 and M36 to turn on or turn off the POS NEG or NET totalizer respectively 4 7 How to reset the totalizers Use M37 to reset the proper totalizer 4 8 How to restore the flow meter with default setups Use M37 when the selection message is displayed Press the dot key first and the message Master Erase will display then press the backspace key 4 The master erase step will erase all the parameters entered by the user and setup the instrument with default values except instrument factor and network identification number parameter 4 9 How to use the damper The damper acts as a filter for a stable reading If 0 is entered in window M40 that means there is no damping A bigger number brings a more stable effect But bigger damper numbers will prevent the instrument from acting quickly Numbers 0 to 30 are commonly used for the damper value Default value is 10 seconds 4 10 How to use the zero cutoff function The number displayed in window M41 is called the lower flow rate cut off value The flow meter will replace these flow rate values that are absolutely less than the low cutoff value with 0 This means the flow meter will avoid any invalid accumu
60. zer value shown on the screen is the value prior to its turn off Select all totalizer unit in menu M31 M01 Display flow rate velocity Display date time and POS positive totalizer M02 If the positive totalizer is turned off the positive totalizer value shown on the screen is the value prior to its turn off 14 Free Hot Water 2146 Bering Drive San Jose CA 95131 408 432 9900 http www freehotwater com Version 15 Wall Mounted Flowmeter User Manual FREEHOTWATE Display flow rate and NEG negative totalizer M03 If the negative totalizer is turned off the negative totalizer value shown on the screen is the value prior to its turn off M04 Display date and time flow rate The date and time setting method is found in MENU60 Display energy rate instantaneous Caloric and total energy Caloric Display temperatures inlet T1 outlet T2 Display analog inputs AI3 AI4 current value and its corresponding temperature or pressure or liquid level value Display all the detailed error codes Display working condition and system error codes R stands for normal others refer to Chapter 5 for details MIO Display today s total NET flow Window for entering the outer perimeter of the pipe If pipe outer diameter is known skip this menu and go to Menu 11to enter the outer diameter Window for entering outer diameter of the pipe Valid range 0 to 18000mm Note you just n

V15 Wall Mounted FLowmeter User Manual

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