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Instruction Manual

OCM F

page 20

OCM F - rev. 05 / 06.04.2018

Clear view door

The clear view door of the measurement transmitter is provided with a protection foil for pro-
tection during transport and from scratches during assembly. This protection foil has to be
removed immediately after the assembly.

UV radiation

If the view door protection foil has been exposed to direct solar radiation for a long period, it
cannot be removed easily.

Should this be the case try to clean the door using spirit or car polish.
If these measures should not be successful the clear view door can be replaced by NIVUS
at extra costs.

14.2 Enclosure Dimensions

Fig. 14-1

Wall Mount Enclosure

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Summary of Contents for OCM F

Page 1: ...F LOW p e r m an en t Instruction Manual Flow Measurement Transmitter OCM F Firmware Revision 4 00 Original manual German 16 02 2018 Rev 05 06 04 2018...

Page 2: ...info nivus fr www nivus fr NIVUS U K Ltd Wedgewood Rugby Road Weston under Wetherley Royal Leamington Spa CV33 9BW Warwickshire Phone 44 0 8445 3328 83 nivusUK nivus com www nivus com NIVUS Middle Eas...

Page 3: ...n Economic Area EEA this instruction manu al must be translated into the language of the country in which the device is to be used Should the translated text be unclear the original instruction manual...

Page 4: ...ements 11 6 User s Responsibilities 12 7 Personnel requirements 12 Product specification 13 8 Overview 13 9 Device identification 13 10 Specifications 14 11 Configuration 16 11 1 Device Types 16 11 2...

Page 5: ...23 2 Parameter Menu Level 52 23 2 1 Information on how to connect i Series sensors 55 23 3 Parameter Menu Velocity 56 23 4 Parameter Menu Digital Inputs 56 23 5 Parameter Menu Analog Output 57 23 6 Pa...

Page 6: ...asurement Cell 96 28 Verification of external Level Measurement 97 29 Verification and Simulation of Input and Output Signals 97 30 Verification of Flow Velocity Measurement 98 Maintenance and Cleanin...

Page 7: ...incorrectly understood information in this instruction In case of selling the instrument this instruction manual shall be provided to the purchaser since it is a part of the standard delivery The oper...

Page 8: ...n Text Parameter or Menu Indicates a parameter or a menu that is selected or described Reference to document Refers to an accompanying documentation Table 1 Structural elements within the manual 1 3 A...

Page 9: ...cates a possible danger with medium risk which may result in a life threatening situa tion or severe bodily injury if it is not avoided CAUTION Warnings in low risk or property damages Indicates a pos...

Page 10: ...hat due to the operation in the waste water field the measurement system and cables may be loaded with dangerous disease germs Respective precautionary measures must be taken to avoid damage to one s...

Page 11: ...t be considered as use in accordance with the requirements The manufacturer cannot be held responsible for any damage resulting from improper use The user alone bears any risk The permanent flow meter...

Page 12: ...addition to this you must observe environmental requirements and local laws on the follow ing points Personnel safety accident prevention regulations Safety of work materials and tools safety equipme...

Page 13: ...The name plate is fixed on top of the enclosure and contains the following Name and address of the manufacturer CE label Information on type and series serial no if available Year of manufacture the...

Page 14: ...ing conditions Protection class I Overvoltage category II Pollution degree 2 Altitude AC unit for use in altitudes up to 3000 m above MSL At relay voltages 150 V the use is restricted to an altitude o...

Page 15: ...channel Terminal no 46 49 UO 26 1 V IO 87 9 mA PO 574 mW linear characteristics CO 400 nF LO 5 mH Flow sensors Terminal no 50 54 UO 9 9 V IO 629 mA PO 6 2 W rectangular characteristics CO 5 F LO 0 15...

Page 16: ...s 5 relays 3 mA outputs galv isolated 1 mA input galv isolated with 2 wire sensor supply or for external level measurement integrated 3 step controller Construction W0 Wall mount enclosure IP65 Power...

Page 17: ...n Always store the instrument in its original packaging 11 5 Transport Do not expose the system to heavy shocks or vibrations Use the original packaging for transport 11 6 Return In case of a required...

Page 18: ...built in piezo crystals with a slope of 45 The crystal surfaces are arranged parallel to the slope of the flow velocity sensor One of the crystals continuously op erates as ultrasonic transmitter the...

Page 19: ...t be in accordance to IEC 227 or IEC 245 The device protection rating is IP65 The max imum allowed switching voltage on the relay contacts must not exceed 250 V According to Ex protection it must be c...

Page 20: ...protection foil has to be removed immediately after the assembly UV radiation If the view door protection foil has been exposed to direct solar radiation for a long period it cannot be removed easily...

Page 21: ...ials To discharge your body and to stay free of static electricity wear an antistatic wristband grounded through a cable Only touch components that are sensitive to electric charges in an antistatic w...

Page 22: ...shocks In terms of electric connection please note the device configuration since unspecified inputs outputs as well as power supply connections are not connected Warranty of a correct clamp connecti...

Page 23: ...mitter observe the terminal clamp specifications listed below Power supply terminal 1 5 Spring cage terminal wire up to 2 5 mm strand up to 1 5 mm Screwdriver for pushing in max blade width 3 5 mm Rel...

Page 24: ...C powered units permit to tap the 24 V auxiliary voltage which is also available on 24 Volt DC 28 and 0 V DC 39 from connections DC DC clamps 4 and 5 too AC units therefore have a low impedance connec...

Page 25: ...ld between the termination blocks Use only the two cable connections of the Ex connection block The sensor cable has to be connected to the transmitter at the termination block using con nectors with...

Page 26: ...as connection socket for cable extension at the same time Please observe not to exceed the maximum cable length of 250 m 820 ft between KDA sensor and transmitter by taking the maximum permissible res...

Page 27: ...sors hence must not be connected to the intrinsically safe terminal clamps Ex ia of the transmitter This would cancel the protection rating of the intrinsically safe terminal clamps 47 46 of the trans...

Page 28: ...ge DC voltage A DC unit can be operated exclusively with 24 V 15 DC voltage An AC unit can be operated exclusively with 100 240 V 10 15 AC voltage When operated with alternating current the direct cur...

Page 29: ...230 V AC and or EnerPro 24 V for 24 V DC for the mA out inputs the type DataPro 2x1 24 V 24 V The flow velocity sensors are internally protected against overvoltage In case of an expected high hazard...

Page 30: ...Instruction Manual OCM F page 30 OCM F rev 05 06 04 2018 Fig 14 15 Overvoltage protection for power supply and analog in outputs...

Page 31: ...Installation and Connection OCM F rev 05 06 04 2018 page 31 Fig 14 16 Overvoltage protection for KDA velocity sensor Non Ex version Fig 14 17 Overvoltage protection for KDA velocity sensor Ex version...

Page 32: ...be connected to the digital inputs 1 3 of the measure ment transmitter Please note to select gold plated contacts in order to ensure contact relia bility Connect a signal relay between switches and me...

Page 33: ...find a detailed description of measurement and control sections in the Installation Instruction for Correlation and Doppler Sensors manual 1 Hand slide valve 2 Ultrasonic sensor i Series 3 Regulation...

Page 34: ...Instruction Manual OCM F page 34 OCM F rev 05 06 04 2018 14 8 3 Connection for Controller Operation Fig 14 19 Wiring diagram for controller operation...

Page 35: ...e of driving the slide valves via the digital inputs always use all the three messages Activating one message only may result in disturbed regulator operation The regulator can be operated with extern...

Page 36: ...installation connection or the setting of parameters contact our hotline 49 0 7262 9191 955 To put the entire system into operation additionally consult the instruction manuals of the fol lowing acce...

Page 37: ...ton keypad is sealed com pletely by means of a plastic membrane with indelible marking 1 Control buttons 2 Abort button 3 Confirmation button Fig 17 1 Operator panel 18 Display The OCM F has a large b...

Page 38: ...most extensive menu for initial start up Parameter setting of dimensions of the measurement Parameter setting of sensors Parameter setting of analog and digital outputs Controller settings Damping set...

Page 39: ...bmenu e g PAR measurement place name Select preset values e g units m cm l s m s etc Decrease values Set decimal point left Press once to toggle between indication mode and overview menu main menu Jum...

Page 40: ...to re enter the PIN After correctly entering the PIN the modified parameters are accepted and the unit will restart The OCM F is ready for operation again after approx 20 30 seconds Options at the end...

Page 41: ...he desired language and confirm with Enter The language can be changed later at any time by using the EXTRA Language menu On start up the screen below comes up 1 Device version see chapter 11 1 Device...

Page 42: ...d days of operation When selected first the current date and the first three saved days are visible Browse to other days by using the key down The oldest day total will be overwritten as soon as the 2...

Page 43: ...ate the latest error message Browse through error messages using the keys left and right Pressing the ENTER key will delete all error messages one by one The maximum number of stored error mes sages i...

Page 44: ...units language system time as well as the dis play itself The following submenus are available Fig 22 1 EXTRA Submenus Due to reasons of limited space it is not possible to indicate the entire menu o...

Page 45: ...ing on the unit system selected there are various units available Fig 22 3 Selecting the units system and units Display format Choose the display format decimal position to indicate flow rates velocit...

Page 46: ...es at the next power on System time In order to perform various memory functions the unit includes an internal system clock The clock settings can be modified if required different time zones summer t...

Page 47: ...arbitrarily selectable max six digits Tip For your own safety we recommend to share the system PIN only with authorised persons Make a note of the system PIN and store it in a safe place Service Code...

Page 48: ...scribed individually on the following pages Fig 23 1 Parameter menu Scroll through the menu using the up and down keys 23 1 Parameter Menu Measurement Place This menu is one of the most important basi...

Page 49: ...of the measurement place The right or left arrow keys can be used to move the cursor even after the cursor reaches the right or left margin of the table Pressing the right or left arrow keys once aga...

Page 50: ...its Please observe indicated units Choosing Custom shape will indicate a table of 32 possible breakpoints on the display As described above enter the relations between height width or height area and...

Page 51: ...ive values are allowed to be set These values are going to be considered as absolute values and therefore have positive as well as negative effects Vmin Low flow volumes in applications with large pro...

Page 52: ...el Fig 23 10 Selection level measurement This menu defines any parameter regarding level measurement The start screen depicted below as well as the parameters to be set may vary depending on the senso...

Page 53: ...ossible as well 1 Sedimentation or soiling Fig 23 13 Sensor type 1 Pressure Sensor type No Constant level 02 Use this point to set parameters for constantly full filled pipes and channels Such applica...

Page 54: ...nsor type 3 2 wire probe Sensor type No Ext sensor Ex 04 Level measurement by external Ex 2 wire sensor supplied by OCM F e g a pressure probe type NivuBar Plus or echo sounder type NivuCompact Connec...

Page 55: ...ble if sensor type no 3 or 4 is selected Default setting 4 m 13 1 ft Offset This entry will move the zero point of the external sensor Only visible if sensor type no 3 or 4 is selected Default setting...

Page 56: ...owever This is the only case which requires setting negative here 23 4 Parameter Menu Digital Inputs Fig 23 18 Digital inputs submenu Select from digital inputs 1 4 using the left or right arrow keys...

Page 57: ...to 3 characters These names will be indicated in the main screen and in overview menu see over view menu Set the names as described in chapter 23 1 Parameter Menu Measurement Place Ensure reliable co...

Page 58: ...mode Constant current The analog output can be set to output a con stant current which is independent from any readings For constant current enter the desired initial current max 21 mA see Fig 23 23 1...

Page 59: ...analog signal 4 mA 100 l s 20 mA 100 l s Backwater will cause the analog signal to decrease positive flow will cause the signal to increase Value at 20 mA Enter the measurement value at 20 mA Error m...

Page 60: ...error should occur see also Fig 23 26 The following functions are available Hold old value holds the last value prior to error Constant 0 0 mA Constant 3 5 mA Constant 4 0 mA Constant 21 0 mA Fig 23 2...

Page 61: ...rgise immediately after the parameter has been set and will de energise as soon as the according value has been reached ON point Defines the ON point for the selected limit value This value is require...

Page 62: ...second limit value to be set Relay mode ON point OFF point ON delay OFF delay Name See Flow limit relay Vel limit relay Relay will energise if a velocity limit value to be set has been ex ceeded and...

Page 63: ...duration set will be output and the internal counter will be set to 0 again The course of events will repeat again subse quently Neg total impulse Relay will output volume proportional impulses if th...

Page 64: ...ater application for op timum performance It enables to execute slide valve and torque monitoring as well as quick close control or automatic flush functions The digital inputs Switch open Switch clos...

Page 65: ...hould be approx 10 of the set point value Cycle The processing interval of the controller Short intervals will accelerate the control be haviour but are going to result in oscillation of the control c...

Page 66: ...ter than the cycle time P factor The proportionality factor indicates to which degree the regulating time is going to be affected in case of a deviation w from set point w The higher the proportionali...

Page 67: ...e unit set point deviation tolerance Time quick close Time quick close is the time the regulating unit needs to move from open condition to the position it has whilst being in normal regulator mode Le...

Page 68: ...time Min pulse time Max pulse time P factor Level quick close Flow quick close Time quick close Time of pos closed and Time delay See Internal set point 23 8 Parameter menu Setup Parameter CAUTION Dat...

Page 69: ...ify the stability of the flow velocity meas urement The time specified here will hold the latest valid measured flow velocity value in order to avoid short term measurement failures The value can be i...

Page 70: ...and for error diagnosis as well as to transmit data to USB stick Fig 24 1 I O menu 24 1 I O submenu Digital Inputs This menu enables to view the digital status of the transmitter s input terminal It i...

Page 71: ...menu allows access to all measurement values saved internally Fig 24 5 Submenu Data storage USB Info Number of measurement data sets including the recording time Erase Erase internal readings memory S...

Page 72: ...after the time of the last data readout are transmitted to USB stick in csv format The measurement data can be easily opened and processed using Excel File name DTA_DATE_TIME csv Save parameter All Th...

Page 73: ...g 24 6 Screen measure data 24 6 I O submenu v Sensor Info This menu is to indicate various information regarding the sensor and is mainly for service purposes 1 Creation date of sensor firmware 2 Calc...

Page 74: ...measured The higher the quality the more reliable the indicated flow velocity reading There are no limit values for the quality Q since the shape of the frequency distribution has to be considered add...

Page 75: ...ndicated Fig 24 10 External level selection 24 9 I O submenu Control unit This menu is visible only if the controller has been enabled in the PAR menu Having the controller enabled will bring up the s...

Page 76: ...these keys to manually drive the slide valve 1 Currently measured flow rate 2 Time how long activated relay remains energised manually s 3 Status of both relays 4 Status of three digital inputs Fig 24...

Page 77: ...ing the sensor After the ruler or similar has been held into the medium the respective reading is entered as reference value If this procedure is performed in flowing water the turbulence emerging on...

Page 78: ...no longer possible as soon as the level falls below a certain level called h_crit The level h_crit is pre determined by the construction of the sensor as well as the measurement method Default setting...

Page 79: ...ickler or manual auto disch curve not active Fig 25 7 Automatic discharge curve Observe to avoid backwater Please avoid backwater up to levels of 0 012 m if auto discharge curve is active v crit deter...

Page 80: ...nter the Manning Strickler coefficient Fig 25 9 Manning Strickler v crit determination Table Manning Strickler coefficients For detailed information see table Manning Strickler coefficients on page 10...

Page 81: ...locking measures Simulations may only be carried out by NIVUS expert personnel or by specialist companies trained by NIVUS in cooperation with qualified operator personnel Always pay attention to safe...

Page 82: ...on requires to enter the system PIN once again to make sure that simulations can be carried out by authorised personnel only Select the desired relays to simulate by using the up or down arrow keys Us...

Page 83: ...alue directly The flow value which has been calculated by means of the simulated readings will be indicated on the bottom line of the screen Relays which might have been set will switch and programmed...

Page 84: ...Diameter 0 225 3r Egg Radius 0 225 Rectangular Profile height 1 Profile width 1 U Profile Profile height 1 Diameter 0 225 Trapezoid Profile height 1 Profile width down 1 Profile width up 2 Max channel...

Page 85: ...h close DI2 switch close DI3 switch off Analog output Function A1 Not active x Flow Level Velocity Temperature Signal quality Constant current Span 0 20 mA 4 20 mA x Value at 0 4 mA 1 m s Value at 20...

Page 86: ...message Error mask Name R1 Relay mode only with relay function active Normally open x Normally closed ON point only with relay function active Off point only with relay function active ON delay only w...

Page 87: ...roller Internal set point only with active controller Min variation only with active con troller Cycle only with active controller Slidevalve runtime only with active controller Min pulse time only wi...

Page 88: ...y with active controller 30 Time of Pos closed only with active controller 10 Time delay only with active con troller 0 Setup pa rameter System reset Service mode Service code Damping 20 Stability 60...

Page 89: ...puts Relays Data storage USB Info Erase USB stick Store NivuSoft Store CSV Save para meter Load para meter Measuredata v Sensor Info v Histogram External set point only with active controller ext set...

Page 90: ...5 06 04 2018 Calibration menu CAL Default settings CAL Level Calibration Velocity Min velocity 4 0000 Max velocity 4 0000 h v calibration v crit determination Manual x Manning Strickler h crit 0 75 v...

Page 91: ...Info 4 Unit system Metric x UK english US english Units Flow rate Veloc Level Total Display format Flow rate Veloc Level Total Language German x English French Polish Display Contrast 50 System time...

Page 92: ...heck level sensor for horizontal installation Check sensor function in menu I O v Histogram In case of external level measurement check function and signal transmission cables clamp connections short...

Page 93: ...rruption or loose connection Check sensor for mechanical damage Unstable measurement values Hydraulically unsuitable measurement place Check quality of measurement place by using the graphic flow prof...

Page 94: ...ds Check level signal echo profile flow velocity sig nal cable parameters and temperature in I O menu Check if sensor is installed on a vibration free place Check sensor installation towards flow dire...

Page 95: ...rogramming Output enabled Check if functions have been assigned to correct output channel Check output range 0 or 4 20 mA Check output span Check offset Check output signal in I O menu Following syste...

Page 96: ...Measurement Cell and 28 Verification of external Level Meas urement For initial assessment mainly the I O menu is helpful Refer to chapter Troubleshooting starting at page 92 to locate the most promi...

Page 97: ...eds to measure the filling level in the channel with a yardstick see Fig 27 1 to adjust the zero point on the level transmitter if required Then compare output signal as well as measurement span of th...

Page 98: ...nstallation position of sensor Please note that without a working level measurement it is not possible to measure flow ve locities and hence the flow cannot be computed If the flow velocity measuremen...

Page 99: ...are unaffected NIVUS recommends having the entire measurement system inspected by the NIVUS cus tomer service once per year Depending on the area of use the maintenance intervals however may vary Ext...

Page 100: ...This these document s is are part of the standard sensor delivery 33 Dismantling Disposal Improper disposal may be harmful to the environment Always dispose equipment components and packaging material...

Page 101: ...e measurement cell for connection to pressure compensation element ZUB0 DAE Pipe mounting system ZUB0 RMS2 ZUB0 RMS3 ZUB0 RMS4 For temporary installation of KDA wedge sensors in pipe lines DN200 DN800...

Page 102: ...Planed wood well joint 85 90 0 4 0 6 Concrete good formwork high cement contents 80 0 8 Rough Non planed wood Concrete pipes 75 1 5 Hard burned bricks carefully joint Well manufactured ashlar facing C...

Page 103: ...conception 19 Enclosure 14 ESD 19 21 Ex approval 15 Ex protection approval 11 F Flow velocity detection 18 Frequency histogram 98 Front panel 21 22 Functional principle 18 G General reset 68 Germ con...

Page 104: ...81 Spare parts 17 Storage temperature 14 Storing 17 Symbols 9 T Terminal clamp housing 13 Terminal housing 21 22 Translation 3 Transmitter connection 19 22 Transmitter installation 21 Transport 17 Tr...

Page 105: ...Approvals and Certificates OCM F rev 05 06 04 2018 page 105 Approvals and Certificates...

Page 106: ...Instruction Manual OCM F page 106 OCM F rev 05 06 04 2018...

Page 107: ...Approvals and Certificates OCM F rev 05 06 04 2018 page 107...

Page 108: ...Instruction Manual OCM F page 108 OCM F rev 05 06 04 2018...

Page 109: ...Approvals and Certificates OCM F rev 05 06 04 2018 page 109...

Page 110: ...Instruction Manual OCM F page 110 OCM F rev 05 06 04 2018...

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