Control Algorithm ................. 53 Communication ................54 7.6.1 General ..................54 7.6.2 Communication Options .............. 56 7.6.3 Communication Setup via Access Portal ........57 7.6.4 Data Transmission ..............59 page 4 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Verification of Flow Velocity Measurement ....... 168 Maintenance and Cleaning ..........170 13.1 Transmitter ................170 13.2 Sensors ..................170 Accessories ..............171 Table "Manning - Strickler Coefficients “ ...... 172 OCM Pro CF - Rev. 09 as of 07.06.2016 page 5...
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® Instruction manual OCM Pro CF Emergency ............... 173 Dismantling/Disposal ............173 Table of Pictures .............. 173 Index ................. 177 Certificates and Approvals ..........179 page 6 OCM Pro CF - Rev. 09 as of 07.06.2016...
READ CAREFULLY BEFORE USE KEEP IN A SAFE PLACE FOR LATER REFERENCE This Instruction manual for the flow measurement unit OCM Pro CF is intended for the initial start-up of the unit depicted on the title page. This manual is orient- ed exclusively to qualified expert personnel.
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Technical Instructions for correlation sensors and Electronic box Technical and Installation Instruction for Radar sensors OFR These manuals are provided with the auxiliary units or sensors. page 8 OCM Pro CF - Rev. 09 as of 07.06.2016...
Indicates a situation that could cause damage on this instrument if it is not avoided. Contains information that should be highlighted. Note Indicates a situation that will not result personal injury. OCM Pro CF - Rev. 09 as of 07.06.2016 page 9...
For connection, initial start-up and operation of the OCM Pro CF the following in- formation and higher legal regulations (e.g. in Germany VDE), such as Ex- regulations as well as safety requirements and regulations in order to avoid ac- cidents, must be kept.
Connections: As an operator make sure prior to activating the OCM Pro CF that during instal- lation and initial start-up, if executed by the operator himself, the local regula- tions (such as regulations for electrical connection, operation in channels) are observed.
(Article no. if necessary). This ensures correct and quick processing. OCM Pro CF iin front panel enclosure with S4/M4 backplane: OCM Pro CF in wall mount enclosure with S3/M3 backplane: OCM Pro CF in wall mount enclosure with S4/M4 backplane: Ex nameplate: Fig.
14. 2.7 Device Versions The OCM Pro CF measurement transmitter is available in different versions. The type key below gives a brief overview on the various possibilities. The transmitters vary in terms of the number of inputs and outputs, enclosure construction, data transmission options, power supply and Ex protection.
CAUTION Damages invalidate the Ex protection Damage might invalidate the Ex protection. The OCM Pro CF then is not allowed to be used in Ex area any longer. Protect the OCM Pro CF from shocks, drops or other damage. Note The approval is only valid in connection with the respective indication on the device nameplate.
Internet via Ethernet internal ISDN-, GPRS- or analog modem (optional) Sensors (optional) For the specifications on the according sensors please see the appropriate instruction manuals or tech- nical descriptions. OCM Pro CF - Rev. 09 as of 07.06.2016 page 17...
Protect the measurement system from shock and impact loads and vibrations. The transportation must be carried out in the original packaging. 5.5 Return The units must be returned at customer cost to NIVUS Eppingen in the original packaging free of charge. Returns with insufficient postage will not be accepted! page 18 OCM Pro CF - Rev.
OFR radar sensor. This sensor must not get in contact with the medium. The OCM Pro CF type S4 either uses a POA or a CS2 sensor which simultane- ously determines flow velocity and flow level. Alternatively, a CSM sensor in con-junction with the electronic box EBM may be connected, which however merely is a flow velocity sensor.
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Sensor 1 Sensor 2 Sensor type OFR Sensor 3 Fig. 6-1 Possible combinations OCP type S4 / R4 Note A maximum of one OFR surface radar can be connected. page 20 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Acoustic coupling layer Temperature sensor Flow velocity sensor Level sensor (optional) Elektronics Pressure sensor (optional) Duct for pressure measurement (optional) Cable gland Fig. 6-3 Basic design POA wedge sensor OCM Pro CF - Rev. 09 as of 07.06.2016 page 21...
The fixed level, which is determined by the sensor crystal position, is added to the determined value h1. This results in the total level h. OCM Pro CF - Rev. 09 as of 07.06.2016 page 23...
(full) 100% span 0.125 0.300 0.300 0.500 distance to sensor face in m Span (value at 20 mA) 2.875 14.5 Fig. 6-7 Measurement range of i-Series sensors page 24 OCM Pro CF - Rev. 09 as of 07.06.2016...
Depending on the flow levels both patterns are subdivided into up to 16 mea- surement windows. Then, in each measurement window the lag Dt of the signal pattern is investigated (see Fig. 6-10). OCM Pro CF - Rev. 09 as of 07.06.2016 page 25...
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If there are appropriate banking distances on the measurement place available, based on the known channel geometry and the velocity distribution a 3-dimensional flow distribution can be rendered (see Fig. 6-12) (> finite ele- ment< principle. page 26 OCM Pro CF - Rev. 09 as of 07.06.2016...
By using complex integrated algorithms the transmitter now calculates the fol- lowing values from the determined velocity of the water surface: The flow profile The average velocity of the wetted geometry Fig. 6-13 Measurement using the surface radar OCM Pro CF - Rev. 09 as of 07.06.2016 page 27...
This problem may be solved by using methylated spirit or car polish if required to clean the clear view door or the display. If these measures should not be suc- cessful, clear view door as well as display can be replaced by NIVUS (subject to costs).
Wear a properly grounded antistatic wrist strap to discharge your body and to keep away static electricity. Touch components which are sensitive to electrostatic build-up only in antistatic working areas. Use antistatic floor coverings and working surfaces always if possible OCM Pro CF - Rev. 09 as of 07.06.2016 page 29...
CAUTION Secure your plant sections The OCM Pro CF power supply must be separately protected by a 6 A slow- blow fuse and has to be isolated from other facility parts (separate turn-off, e.g. by using an automatic cut-out with >B< characteristics).
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The sensors (flow velocity, combi, air-ultrasonic or 2-wire level sensors) are equipped with connection plugs due to better handling of the wall mount enclo- sure. The pre-configured cable tips of the NIVUS sensors or single and multi- wired cables with cross-sectional areas of 0.18-2.5 mm² (0.007-0.098 in) can be connected to these plugs.
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Observe to not reverse the cover during installation (steeply bevelled side up). The specified protection degree cannot be guaranteed if the cover is not in- stalled correctly. page 32 OCM Pro CF - Rev. 09 as of 07.06.2016...
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DI1, DI2, DC-, AI1, AI2, AI3, AI4, AO1, AO2, AO3, AO4 Internal wiring: b2 + b15; b3 + a14 Fig. 7-2 Wiring diagram wall mount enclosure OCM Pro CF OCM Pro CF - Rev. 09 as of 07.06.2016 page 33...
OCM Pro type S4W0 / M4W0 Fig. 7-4 Connecting a second velocity sensor to the OCM Pro type M4W0 Fig. 7-5 Connecting a third velocity sensor to the OCM Pro type M4W0 page 34 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Connection 2, electronic box Type EBM with water-ultrasonic sensor Type CSM to Type M4W0 Fig. 7-8 Connection 3, electronic box Type EBM with water-ultrasonic sensor Type CSM to Type M4W0 OCM Pro CF - Rev. 09 as of 07.06.2016 page 35...
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135 m (443 ft.) in Ex areas and 250 m (750 ft.) in Non-Ex areas be- tween sensor and transmitter by taking the maximum permissible resistance into account. Fig. 7-11 Connecting the air-ultrasonic sensor type LUS to type M4W0 / S4W0 page 36 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Connecting a 2-wire sensor for level measurement to type W0 If the mA signal for level measurement is provided from an external transmitter (such as NivuMaster) connect to clamps as follows: OCM Pro CF - Rev. 09 as of 07.06.2016 page 37...
Important Note If using the sensors in Ex areas consider the connected loads of the overvolt- age protection devices as well as capacity and inductance of the NIVUS sen- sor cables (POA, CS2, OCL, EBM) additionally! The maximum permissible NIVUS cable lengths in Ex areas are: single-side overvoltage protection: 135 m (443 ft.)
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® Instruction manual OCM Pro CF Fig. 7-15 Wall mount enclosure - connecting the overvoltage protection for power supply and analog inputs and outputs OCM Pro CF - Rev. 09 as of 07.06.2016 page 39...
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® Instruction manual OCM Pro CF Fig. 7-16 Overvoltage protection water-ultrasonic sensor or electronic box, wall mount enclosure Fig. 7-17 Overvoltage protection air-ultrasonic sensor, type OCL, wall mount enclosure page 40 OCM Pro CF - Rev. 09 as of 07.06.2016...
3.0 mm or 3.5 mm blade. Note While connecting, it is helpful to exert slight pressure on the terminal clamp screw. This ensures safe cable connection by opening the clamp. OCM Pro CF - Rev. 09 as of 07.06.2016 page 41...
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Ex-area input external level measurement connection v-sensor 3 connection ultrasonic level connection v-sensor 2 v-sensor 1 sensor (air us) Fig. 7-19 Wiring diagram OCM Pro CF panel mount enclosure page 42 OCM Pro CF - Rev. 09 as of 07.06.2016...
150 m green RxTx - Radar Fig. 7-21 Connecting an OFR flow velocity sensor to Type R4F0 Fig. 7-22 Connecting a second flow velocity sensor to type M4F0 OCM Pro CF - Rev. 09 as of 07.06.2016 page 43...
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Type CSM and air-ultrasonic sensor Type DSM to Type S4F0 / M4F0 Fig. 7-25 Connection 2, electronic box Type EBM with water-ultrasonic sensor Type CSM to Type M4F0 page 44 OCM Pro CF - Rev. 09 as of 07.06.2016...
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If the level measurement is carried out by a 2-wire probe (NivuBar, NivuCompact 2-wire echo sounder or similar) which is supplied by the OCM Pro, please follow the wiring diagram below: OCM Pro CF - Rev. 09 as of 07.06.2016 page 45...
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If the mA signal for level measurement is provided from an external transmitter (such as NivuMaster), connect to clamps as follows: Fig. 7-31 Connecting external level measurement to type F0 page 46 OCM Pro CF - Rev. 09 as of 07.06.2016...
OCM Pro CF 7.3.5 Panel Mount Enclosure Overvoltage Protection Fig. 7-32 Panel mount enclosure - connecting the overvoltage protec- tion for power supply and analog inputs and outputs (panel mount enclosure) OCM Pro CF - Rev. 09 as of 07.06.2016 page 47...
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1.5 mm² min. Fig. 7-33 Overvoltage protection water-ultrasonic sensor or electronic box or OFR radar, panel mount enclosure Fig. 7-34 Overvoltage protection air-ultrasonic sensor type OCL, panel mount enclosure page 48 OCM Pro CF - Rev. 09 as of 07.06.2016...
Please note, when using this supply voltage (e.g. for digital inputs with control signals), it must not be shielded through the complete switchgear in order to maintain disturbing interferences on a low level. OCM Pro CF - Rev. 09 as of 07.06.2016 page 49...
2 digital outputs to drive the regulator slide valve 2 digital inputs for the slide valve monitoring If you operate an OCM Pro CF, type S4 for flow rate control please use a suffi- cient external controller and program it according to manufacturer specifications.
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Note The assignment of the digital outputs to the regulator cannot be modified. The input current on the digital inputs of the OCM Pro CF is 10 mA. Please ensure contact reliability by selecting sufficient contact materials on the end switch of the control slide valve.
For details on the construction measurement and control sections please refer to the "Installation Instruction for Correlation and Doppler sensors”. Fig. 7-38 Setup of a controlled system such as a discharge control page 52 OCM Pro CF - Rev. 09 as of 07.06.2016...
"PATH OFF“, "PATH ON“ and "TORQUE OFF“ of the slide valve drive. The input current per digital input is 10 mA. OCM Pro CF - Rev. 09 as of 07.06.2016 page 53...
Do not confuse OCM Pro CF remote access and process conducting systems. The OCM Pro CF requires direct dialog with the user via PC. There is no real- time access. It is not possible to carry out automatic data transmission.
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Connection time Connection period Flat rate or similar arrangement They are not influenced by NIVUS. The system administrator is responsible for the amount of future communica- tion expenses arising. OCM Pro CF - Rev. 09 as of 07.06.2016 page 55...
This setup is depicted in Fig. 7-41. Internet connection via access portal (see Fig. 7-42) It is required to use an OCM Pro CF equipped with according hardware such as analog modem, ISDN modem or GPRS to set up such a connection.
1. Select your unit on >www.nivus.com< using the access portal. 2. The portal will “wake up” the unit sending a direct call. 3. The OCM Pro CF is setting up Internet access logging in to the portal subsequently. 4. The portal is going to establish a connection between unit and user using the internal OCM Pro CF web server Fig.
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Measurement place selection After selecting the desired measurement place and clicking the "Connect" but- ton communication with the selected OCM Pro CF will be established. User name and password are going to be verified again and the homepage contained in the OCM Pro CF will be transmitted.
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Java -Applet starting After starting Java successfully, the OCM Pro CF display now is indicated in the same manner as if being on-site. The OCM Pro can now be operated by using the PC keyboard (arrow keys >left<, >right<, >up<, >down< and >Enter<, >ESC< and >ALT<) exactly the same way as if using the keys on the unit front board.
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7-49). In order to be able to read or to transmit the file later, this action will move the file into a backup folder which has been created automatically. OCM Pro CF - Rev. 09 as of 07.06.2016 page 61...
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OCM Pro CF Fig. 7-51 Created backup folder Files which have been moved into the backup folder will be deleted irrevocably from the OCM Pro CF memory card if clicked again for deleting. Fig. 7-52 Contents of created backup folder Fig. 7-53...
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A click on the >Trend< button on the left-hand side enables to indicate a trend graph parallel to the trend screen indicated on the OCM Pro CF to visualise data stored in the internal unit memory. The range of data to be indicated covers a maximum of 90 days.
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This will take you back to the NIVUS homepage. Note If no data transmission has been executed for 5 minutes, the OCM Pro CF will automatically interrupt the connection in order to avoid unnecessary expens- page 64 OCM Pro CF - Rev.
To ensure a correct function of the OCM Pro CF this instruction manual must be read thoroughly! The OCM Pro CF must be wired in accordance with the wiring diagram, see...
Instruction manual OCM Pro CF 8.3 Display OCM Pro CF has a large back-lit graphic display with a resolution of 128 x 128 pixel. This ensures to comfortably read current values. 1 Indicates activated data storage 2 Indicates activated service mode...
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This menu is the most extensive of the OCM Pro CF. It is for the complete parameter setting of dimensions of the measurement place, sensor selection, analog and digital inputs and outputs, storage, data transmission and regulator function.
Further it is used to delete and to insert data. In the rest of the parameter setting mode it enables/disables various functions, as well as SHIFT-key between various programming options. OCM Pro CF - Rev. 09 as of 07.06.2016 page 69...
Modifications concerning language, units, contrast and display brightness do not require the PIN code as these settings influence just the way of representation and not measurement or the output of measurement values. page 70 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Note This instruction manual describes all programming options of the OCM Pro CF. Depending on the device type various inputs and outputs as well as communication and data transmission features may not be available. They may be programmable, but may not be available to be used as outputs or to be connected (see also Specifications in Chapter 0).
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Pressing the "right" arrow key indicates additional information on the connected and activated sensors: 1 Sensor number 2 Firmware version with date of creation 3 Serial number 4 Sensor type Fig. 9-4 Additional sensor information page 72 OCM Pro CF - Rev. 09 as of 07.06.2016...
Important Note During the final inspection a system reset is performed and the OCM Pro CF is shipped subsequently. The unit hence is reset to factory defaults. Inde- pendent from this, we recommend to execute one more system reset (PAR/Settings/System reset) prior to programming parameters in order to ensure a defined basic state.
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Additionally, you can get information about partial total value since the last reset (comparable with rout mileage counters in cars). This value can be reset to >0< at any time by pressing the >ALT<-key. This reset does not influence the totaliser. page 74 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Operates like an electronic writer. Average cycle values of level, average flow velocity and height (level) will be recorded for the past days. Values can be individually selected and viewed in a submenu.. Fig. 9-11 Trend value selection (varying screens) OCM Pro CF - Rev. 09 as of 07.06.2016 page 75...
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4 Period indicated Fig. 9-12 Trend graph example Note All trend graphic values saved previously will get lost if the memory interval or any other parameter is going to be modified. page 76 OCM Pro CF - Rev. 09 as of 07.06.2016...
Display. Display allows to adjust display settings regarding contrast and brightness. Use to decrease; to increase values. modify values in 5 % steps, in steps of 1 %. OCM Pro CF - Rev. 09 as of 07.06.2016 page 77...
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After the new value has been set confirm twice using the "Enter“ key and type in the PIN “2718“ (up to 2 faulty entries possible). Otherwise the new value will not be accepted. Fig. 9-18 Totalizer modification page 78 OCM Pro CF - Rev. 09 as of 07.06.2016...
PIN request 9.4 Parameter Menu (PAR) Parameter Menu (PAR) This menu is the most extensive and most important regarding the OCM Pro CF settings. It nevertheless is sufficient in most cases to set only some essential pa- rameters, which usually are:...
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Use "Up“ and "Down“ keys to scroll the menu. Name (of NIVUS recommends to coordinate and to define names according to names measurement place) stated in the respective construction documents. Names may contain up to 21 letters.
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This is a special parameter which enables to easily set parameters for large special profiles with convex tops. This parameter will not be required for the very most applications! Mainly, authorised NIVUS personnel is going to use this function; which nevertheless will be described here briefly.
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A request will come up subsequently asking for known relations. Fig. 9-25 Custom shape menu Channel Dimensions Type in the respective channel dimensions depending on the profile chosen before. page 82 OCM Pro CF - Rev. 09 as of 07.06.2016...
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To define the zero point of the channel, start by entering 0 – 0 in breakpoint 1. All further breakpoints can be set freely regarding height as well as width/area. OCM Pro CF - Rev. 09 as of 07.06.2016 page 83...
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Top area: Custom profile Dividing in three zones will reveal the following setting options: Bottom area: Pipe Rectangle U-Profile Trapezoid 2r Egg Q=f(h) Centre area: Custom profile Top area: Pipe page 84 OCM Pro CF - Rev. 09 as of 07.06.2016...
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OCM Pro. To avoid faulty programming or if in doubt this procedure should be performed by NIVUS service personnel or expert companies authorised by NIVUS. Sludge level The sludge level set is considered during calculation as non-moving sub-area on the channel bottom and will be subtracted from the wetted hydraulic total area prior to performing flow calculation.
Basically determine sensor type or sensor combination first! Move the cursor accordingly by using the >up< and >down< arrow keys. Select or de-select sensors with the >ALT< key. Confirm your selection by pressing >ENTER<. page 86 OCM Pro CF - Rev. 09 as of 07.06.2016...
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The sensor must be installed exactly in the centre of the channel vertex, (± 2°) parallel to the water surface. An air-ultrasonic sensor type OCL or DSM is required! OCM Pro CF - Rev. 09 as of 07.06.2016 page 87...
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This selection is for level measurement by using external 2-wire Ex probes sup- plied by OCM Pro CF such as a pressure probe type NivuBar Plus or a type NivuCompact echo sounder. Can be combined with the flow velocity sensor.
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Installation on the sides, e.g. in case of sedimentation or high pollution loads is possible. Level measurement in flooded condition is possible as well. OCM Pro CF - Rev. 09 as of 07.06.2016 page 89...
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NivuMaster echo sounder or a pressure probe type HydroBar. Both can be com- bined with the flow velocity sensor. Fig. 9-38 Sensor type 3: 2-wire probe Note For connection see Fig. 7-12 or Fig. 7-29. page 90 OCM Pro CF - Rev. 09 as of 07.06.2016...
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The water-ultrasonic sensor detects the medium part filled area. The water-ultrasonic sensor must be installed in the centre of the channel bottom. Otherwise there is the risk of echo loss and hence measurement failure. OCM Pro CF - Rev. 09 as of 07.06.2016 page 91...
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To be used in applications as described in water-US int. + air-US. An external 2-wire sensor instead of an air-ultrasonic sensor is going to be used to detect low flow levels (expediently an echo sounder). page 92 OCM Pro CF - Rev. 09 as of 07.06.2016...
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This parameter is required only for applications where the sensor is not installed directly on the channel bottom but is mounted in a pipe on a wedge support or out of the centre to avoid effects due to sedimentation. OCM Pro CF - Rev. 09 as of 07.06.2016 page 93...
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NIVUS, pressure and water-US 1 height h: mounting height sensor type pressure internal Fig. 9-45 Mounting height of level sensors in case of selection pressure internal or water-US internal page 94 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Select layers This parameter will be indicated only if a sensor combination has been selected. The OCM Pro CF automatically aligns the sensors to partial layers. Layer borders however may be defined freely as well. Use the >ALT<-key to do this.
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2-wire probe. Span: the measurement span (equal to 20 mA from the OCM Pro CF analog input) shall be adjusted to the span of the analog output of the 2-wire probe used.
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The appli- cable measurement method has to be selected depending on the level/height and must be determined during the programming procedure. OCM Pro CF - Rev. 09 as of 07.06.2016 page 97...
This is the only case which requires to set “negative“ here. Fig. 9-53 Select sensor type and mounting position page 98 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Flow velocity measurement using a wedge or pipe / tube sensor installed in an angle varying from the perpendicular. V-sensor radar: Flow velocity measurement using a surface radar sensor installed in positive or negative direction above the water surface OCM Pro CF - Rev. 09 as of 07.06.2016 page 99...
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"Float" has been selected. If sensor type "float" has been selected, enter the distance from the water surface to horizontal area at the tip of the pipe sensor here.. page 100 OCM Pro CF - Rev. 09 as of 07.06.2016...
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The path length (w) will be determined automatically as soon as the distance to the water surface is shorter due to the filling level. Fig. 9-56 Mounting place at „Pos-alpha“ OCM Pro CF - Rev. 09 as of 07.06.2016 page 101...
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1 Sensor OFR 2 Sensor for level measurement (P-Series or i-series sensors) 3 Combi holder made of stainless steel (ZUB0OFRHAL) Fig. 9-58 Overview radar, level sensor and holder page 102 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Screen sensor type with 2 or 3 sensors Select the sensor which is to be set under >Flow Velocity/Sensor No.<. The fol- lowing screen appears: Fig. 9-61 Select sensor type and mounting position OCM Pro CF - Rev. 09 as of 07.06.2016 page 103...
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If sensors 2 and 3 are located higher than sensor 1, this level difference shall be entered as height "h" under the menu point mounting place. In order to obtain a total result the velocity will not be referred to below this level. page 104 OCM Pro CF - Rev. 09 as of 07.06.2016...
If using transmitter type >M4<: 1 analog input (galvanically isolated) for 2-wire sensors 4 additional analog inputs for external level sensor connection as well as for external setpoints or analog data storage. OCM Pro CF - Rev. 09 as of 07.06.2016 page 105...
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Select between measurement spans of 0-20 mA and 4-20 mA here. Optional use of 0-5 V or 0-10 V voltage inputs requires the unit hardware to be modified respectively which can be carried out by NIVUS service personnel only. Units This Parameter is going to be assigned to the breakpoint table below using the saved name.
Digital inputs – submenu This section enables to set and to assign the digital input signals „Control OPEN“, „Control CLOSED“ and „Torque CLOSED“. The OCM Pro CF, type >M4< requires these inputs for regulator operation. The function >Lock v-measurement< is exclusively available for digital input 1.
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(the transmitter detects switching events via the digital inputs and saves the runtime accurate to the second on the CF card if the storage mode is active.) page 108 OCM Pro CF - Rev. 09 as of 07.06.2016...
(output of analog signal which is proportional to mean flow velocity averaged from measured individual velocities e) temperature water (output of measured water temperature as analog signal) OCM Pro CF - Rev. 09 as of 07.06.2016 page 109...
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If desired toggle between measurement ranges of 0-20 mA or 4-20 mA here. Measurement span Define the span of the enabled analog output here. Negative values can be entered as well! page 110 OCM Pro CF - Rev. 09 as of 07.06.2016...
Relay outputs – submenu This menu allows to define both functions as well as accompanying parameters (such as limit values, duration of impulse and more) of individual relay outputs. OCM Pro CF - Rev. 09 as of 07.06.2016 page 111...
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Error messages (relay will energise in case of error messages such as sensor error, cable break, power failure, processor failure or similar.) Modbus (allows remote access to the relay) page 112 OCM Pro CF - Rev. 09 as of 07.06.2016...
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(ON>OFF) or as in-bounds alarm (ON<OFF). Pulse parameter This menu will be indicated only if the function >Impulses< has been chosen. Fig. 9-75 Pulse parameter setting OCM Pro CF - Rev. 09 as of 07.06.2016 page 113...
Fig. 9-77 Enabling the control unit Set point Type: choose between internal (setpoint defined in OCM Pro CF) and external setpoint (setpoint externally preset via dedicated analog input 4. page 114 OCM Pro CF - Rev. 09 as of 07.06.2016...
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0/4-20 mA. 0-5/10 V can be set by NIVUS service personnel only. set point input linearisation (normally >2< is going to be entered as number of breakpoints. Set the setpoint start (=0) to 0/4-20 mA and the setpoint stop to 20 mA subsequently.
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The name is for internal use only and does not have to be set. Modifying the logic (inverse / non-inverse) allows you to monitor cable breaks of end switch connections. Fig. 9-80 End switch assignment Fig. 9-81 Possible functions page 116 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Therefore the regulating unit will be tending to oscillate. Fig. 9-84 Setting permissible control deviations OCM Pro CF - Rev. 09 as of 07.06.2016 page 117...
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In case of sudden rainfall events this function will partially close the open slide valve independent of the calculated regulating time. During permanent operation this is going to be executed without any run time interruption. page 118 OCM Pro CF - Rev. 09 as of 07.06.2016...
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The number of flush events can be set from 1 to 9. Fig. 9-89 Enabling the flush function Note The flush function is not available during active control operation. OCM Pro CF - Rev. 09 as of 07.06.2016 page 119...
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Setting the flush start time Number of cycles = defines how many times the flush event is to be executed. A complete flush event consists of impounding duration + duration of flush. page 120 OCM Pro CF - Rev. 09 as of 07.06.2016...
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= defines how long the regulating unit remains in closed condition independent of the current measurement value in order to dam up the medium for flush purposes. Fig. 9-95 Setting water level duration OCM Pro CF - Rev. 09 as of 07.06.2016 page 121...
Executing a system reset Selecting "YES" will erase the internal flash memory. The settings however will not get lost yet. When exiting the PAR menu the screen below appears. page 122 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Additional system setting options are going to be revealed once a special number has been entered. These settings are reserved to be used by the NIVUS initial start-up service since these modifications require comprehensive expert knowledge and do not need to be adjusted during standard use.
Compact Flash Card. It is possible to use NIVUS Compact Flash cards with capacities from 8 to 128 MB. These cards can be purchased from your local NIVUS representative.
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Operation mode Fig. 9-103 Enabling operation mode Mode Pressing this key toggles between: disabled = no data storage cyclic = cyclic storage of flow, average flow velocity, level and temperature OCM Pro CF - Rev. 09 as of 07.06.2016 page 125...
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This parameter point is to define which data sets are to be stored in addition to the automatic storage of filling level, average flow velocity, volume and medium temperature. Choose from analog input 1-4 and system condition here. Fig. 9-105 Selectable data page 126 OCM Pro CF - Rev. 09 as of 07.06.2016...
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There are various units available depending on the selection made previously. (see chap. 9.3). Fig. 9-106 Selecting the unit system in storage mode Fig. 9-107 Selecting the measurement value in storage mode OCM Pro CF - Rev. 09 as of 07.06.2016 page 127...
Data structure on memory card DATA Day totals are saved in the data file >TOTAL.TXT< in this folder. Save by using the menu points >I/O/Memory card/Day values< (see chapter 9.5.8) page 128 OCM Pro CF - Rev. 09 as of 07.06.2016...
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If the name of the measurement place saved on card does not comply with the name of the measurement place saved in the OCM Pro CF, the unit will prompt to format the card. The OCM Pro CF will not save any data as long as the card has not been formatted.
Intranet, analog modem, ISDN modem or GPRS modem is available. Direct data exchange via Ethernet / Modbus TCP is possible as well. If no other NIVUS device has been connected to Internet at the moment of initial start-up, it is indispensable to have the portal initialised by the NIVUS service.
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The default setting (255.255.000.000) is normally suitable for most connections. Fig. 9-114 Setting the IP address manually Important Note If in doubt please consult your responsible system administrator or use the NIVUS initial start-up service. OCM Pro CF - Rev. 09 as of 07.06.2016 page 131...
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The provider will refuse service in case of faulty entry. Password: to be assigned by the user and hence depends on user name. The provider will refuse service in case of faulty entry. page 132 OCM Pro CF - Rev. 09 as of 07.06.2016...
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User name: to be assigned by the provider Password: password associated with account PIN: with SIM module associated PIN (Personal Identification Number) APN: name supplied by provider / address of access (Access Point Name) OCM Pro CF - Rev. 09 as of 07.06.2016 page 133...
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Data format: Select between text file and binary file. Binary files are for inte- gration of the unit into the "NICOS" process conducting system by NIVUS. Cycle: This defines the cycle to send the data mails (e.g. every 24 hours) Delay: The delay entered here refers to the transmission cycle set.
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Entering the DNS manually Direct access Required only if a direct 1:1 connection to the OCM Pro CF is desired to be set up via Laptop/PC, network cable and the internal RJ45 interface. In this case determine both; password as well as user name for this internal connection on PC/Laptop.
Normally >Values in [mA/V]< will be set. A screen similar to the one below will come up: Fig. 9-125 Analog values screen Setting >Calculated values< without having a signal available (>4 mA) will bring up the following screen: page 136 OCM Pro CF - Rev. 09 as of 07.06.2016...
The actual current on the output clamps will not be displayed. The only signal visible is the one the analog output converter is receiving for output purposes. External faulty wiring neither can be detected nor indicated in this menu. OCM Pro CF - Rev. 09 as of 07.06.2016 page 137...
Fig. 9-130 Basic selection menu V-Sensor Choosing this point is going to bring up a 2-page table including all individual velocities measured and the heights of the respective measurement windows. page 138 OCM Pro CF - Rev. 09 as of 07.06.2016...
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9.5.2) different menus are displayed: Example 1: 1 Level 2 Level water-ultrasound 3 Level pressure internal 4 Level air-ultrasound NIVUS Fig. 9-132 Menu selection with water-ultrasonic, pressure and air-ultrasonic OCM Pro CF - Rev. 09 as of 07.06.2016 page 139...
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(double and multiple reflections caused by the echo signal moving back and forth between the interfaces water/air and water/ground) are lower and wider. page 140 OCM Pro CF - Rev. 09 as of 07.06.2016...
This menu is visible only if the controller has been enabled in the PAR menu. Having the controller enabled will bring up the screen below: Fig. 9-138 Select controller information OCM Pro CF - Rev. 09 as of 07.06.2016 page 141...
This menu enables to view various information regarding the memory card. Ad- ditionally it is possible to save data as well as to read out and to load the param- eters set. Fig. 9-141 Memory card menu page 142 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Make sure to save your data prior to formatting! Store parameter The OCM Pro CF parameter settings can be read in or read out in order to transfer the settings to similar measurement places or for data backup. This menu point is used to save all parameters on the memory card. This procedure takes approx.
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Store backup Data which have been stored within the past 14 days in the OCM Pro CF can be "rescued" in case of data loss due to faulty data readout, defect cards, unintentional formatting or similar. These data from the internal memory is used for trend indication in RUN menu as well.
The correct filling level has to be investigated as accurate as possible before ad- justing by using another suitable measurement method (value = 0 if the sensor has been removed from the medium). Enter the investigated value as reference. OCM Pro CF - Rev. 09 as of 07.06.2016 page 145...
Fig. 9-151 Flow velocity indication min. + max. value Defines the flow velocity range the OCM Pro CF shall yet be able to measure and to process. Note The basic setting of this parameter should not be modified. Otherwise there will be the risk of measurement interruptions or errors.
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In this case leave the entry >0< under v_crit unmodified. OCM Pro CF - Rev. 09 as of 07.06.2016 page 147...
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If due to the constantly decreasing level (which hence at some point will be too low) it is no longer possible to detect a flow velocity, the OCM Pro CF creates an internal table of Q/h values by using the flow velocity value prevailing at the minimum flow level h_crit (flow level which is barely sufficient to reliably detect flow velocities) previously set.
Failure to observe may result in damages affecting persons or plant equip- ment. NIVUS herewith in advance refuse responsibility for any possible damage to persons or objects at any extent due to the extremely high risk of danger and unforeseeable consequences in case of incorrect or faulty simulation!
After selecting >Relay Outputs< the PIN must be entered once again. This en- sures to keep unauthorised persons away from executing simulations during op- eration. Fig. 9-158 Relay simulation page 150 OCM Pro CF - Rev. 09 as of 07.06.2016...
The OCM Pro CF is going to calculate the current flow value by using the simulated values based on the channel dimensions set. The results are going to be sent to the respective outputs (analog + digital).
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(not indicated if 'constant level' or ext. sensor selected) height h height H height L scale (only at ext.sensors as well as combinations) offset span delay height (only at 'constant level') select layers OCM Pro CF - Rev. 09 as of 07.06.2016 page 153...
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4.0: 0.0 20.0: 1.0 Offset digital inputs channel number name Din_1 function inactive end switch CLOSED end switch OPEN torque lock v-measurement running time logic page 154 OCM Pro CF - Rev. 09 as of 07.06.2016...
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'active' logic norm. open trigger levels ON: 0.0 OFF: 0.0 pulse parameter duration: 0.5 amount: 0.1 OCM Pro CF - Rev. 09 as of 07.06.2016 page 155...
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P-factor cycle time max. variation percent 10.0 absolute min. pulse time shifter time quick close function function inactive parameter Qmax l/s 4000.0 Hmax m Tmax s 1800 page 156 OCM Pro CF - Rev. 09 as of 07.06.2016...
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(ft³/s, cfs) l/s (gal/s, mgd) m³/h (ft³/h, gpm) m³/d (ft³/d, cfh) m³/min (ft³/min, cf/min) level m (ft) cm (in) mm (in/10) velocity m/s (ft/s, fps) cm/s (in/s) format of numbers OCM Pro CF - Rev. 09 as of 07.06.2016 page 157...
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0 0 0 0 internet.t-d1.de DNS-Server (only if remote control 'active') DNS Adresse prim 145.253.002.011 DNS Adresse sec 193.254.160.001 direct access user admin password nivus page 158 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Manning-Strickler kST 80, 0,15 % analog outputs channel simulation digital outputs simulation Operation Mode (RUN) standard graphic day values info interval memory erase? errors trend flow rate velocity level OCM Pro CF - Rev. 09 as of 07.06.2016 page 159...
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Read Input Reg. Read Holding Reg. page 160 OCM Pro CF - Rev. 09 as of 07.06.2016...
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UK-english US-english flow rate velocity level total m³ language Deutsch English Français Czech Italiano Español Polski Dansk Svenska display contrast backlight set time info date time set total-counter OCM Pro CF - Rev. 09 as of 07.06.2016 page 161...
If the flow direction is reversed only occasionally and the measurement fails subsequently à set min. value to –1.0m/s in menu CAL-Flow vel. – min. + max. value. Programming Completely check the transmitter parameter settings. page 162 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Increase damping. Sensor Check sensor installation (towards flow direction, horizontal installation). Check sensor for sedimentation or obstructions. OCM Pro CF - Rev. 09 as of 07.06.2016 page 163...
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Programming Output enabled? Check if functions have been assigned to correct output channel. Check output range (0 or 4-20 mA) page 164 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Memory card not plugged for a sufficient period of time (min. required: 60 minutes! Data will be saved every full hour). Programming Storage in Memory Mode –Operation Mode – Mode not enabled. OCM Pro CF - Rev. 09 as of 07.06.2016 page 165...
In case of an initial general verification carried out by hydraulically and technical- ly well-versed personnel, proceed according to the guidelines described below: Check the power supply on the OCM Pro CF. The according slide switch on the board must be engaged (see Fig. 7-35) The main screen must be visible...
Then compare output signal as well as measurement span of the external measurement with the analog input signal and the measurement span of the OCM Pro CF in PAR menu as well as in I/O menu and adjust accordingly if required.
9-6. Another reason is that the sensor may have been installed in position with improper hydraulic conditions tending to low measurement quality or measure- ment failure (àcheck installation position of sensor). page 168 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Observe that the value is higher than the value entered in parameter h_crit Confirm the entries The OCM Pro CF now operates using the fixed value. This makes sure that the flow velocity sensor is capable of positioning its measurement windows in differ- ent levels in order to carry out measurement.
NIVUS. 13.1 Transmitter The device type OCM Pro CF is designed to be virtually maintenance-free, free of material wear and does not need to be calibrated. If required clean the transmitter enclosure if with a dry, lint-free cloth.
Evaluation software, NivuSoft Professional with matched functions: documentation of measurement sites, output as graphs and tables, creation of statistics/reports etc. ZMS0 18XX Weather protective roof for ZMS 160 or 161 OCM Pro CF - Rev. 09 as of 07.06.2016 page 171...
(fine-grained) Rougher surfaces are difficult to measure under hydraulic aspects and hence are not described here page 172 OCM Pro CF - Rev. 09 as of 07.06.2016...
Wiring diagram OCM Pro CF panel mount enclosure ..................42 Fig. 7-20 Connecting a flow velocity or water-ultrasonic combi sensor to the OCM Pro CF, type S4F0 / M4F0 ....43 Fig. 7-21 Connecting an OFR flow velocity sensor to Type R4F0 ..................43 Fig.
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Sensor type 5: internal pressure ........................90 Fig. 9-38 Sensor type 3: 2-wire probe ..........................90 Fig. 9-39 Combination: Air-ultrasound and internal pressure ................... 91 Fig. 9-40 Water-ultrasound and internal pressure ......................92 page 174 OCM Pro CF - Rev. 09 as of 07.06.2016...
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Sensortyp Luft-Ultraschall, Wasser-Ultraschall und Druck ................93 Fig. 9-44 Mounting height of level sensors in case of selection air-US NIVUS, pressure and water-US ......94 Fig. 9-45 Mounting height of level sensors in case of selection pressure internal or water-US internal ......94 Fig.
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Executing the simulation ..........................150 Fig. 9-158 Relay simulation .............................. 150 Fig. 9-159 Flow measurement simulation ........................151 Fig. 12-1 Determination of reference level under operating conditions ................167 page 176 OCM Pro CF - Rev. 09 as of 07.06.2016...
Card information Documentation Modem Mounting Mounting height Echo profile End switch Error diagnosis Name of measurement place Error messages Names Ethernet External Level Sensor Offset Operation File Download Operation mode OCM Pro CF - Rev. 09 as of 07.06.2016 page 177...
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Pulse parameter Specifications Start time Qmin Quick close function Total counter Translation Transport Receipt Trend Remote Access Trigger level Remote control Troubleshooting Safeguards Units Sensor I/O-Menu type Warnings Sensor assignment page 178 OCM Pro CF - Rev. 09 as of 07.06.2016...
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E-Mail: info@nivus.com Internet: www.nivus.de Für das folgend bezeichnete Erzeugnis: For the following product: Le produit désigné ci-dessous: Bezeichnung: Durchflussmessumformer stationär OCM Pro CF Description: permanent flow measurement transmitter convertisseur de mesure de débit fixe Désignation: Typ / Type: OCP-… erklären wir in alleiniger Verantwortung, dass die auf dem Unionsmarkt ab dem Zeitpunkt der Unterzeichnung bereitgestellten Geräte die folgenden einschlägigen Harmonisierungsvorschriften der Union erfüllen:...
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Internet: www.nivus.de Für das folgend bezeichnete Erzeugnis: For the following product: Le produit désigné ci-dessous: Bezeichnung: “Ex“ Durchflussmessumformer stationär OCM Pro CF Description: “Ex” permanent flow measurement transmitter Désignation: “Ex”convertisseur de mesure de débit fixe Typ / Type: OCP-x4F0/x4W0 xxx 4E..
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