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Nivus osm-f Operation Instruction Manual

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Instruction Manual
OCM F
NIVUS GmbH
Im Taele 2
75031 Eppingen, Germany
Phone +49 (0) 72 62 / 91 91 - 0
Fax +49 (0) 72 62 / 91 91 - 999
E-mail: info@nivus.com
Internet: www.nivus.com
OCM F - Rev. 04 as of 18.02.2014
Instruction Manual for
OCM F Measurement Device
(Original Instruction Manual – German)
ab Software-Revisionsnummer 3.13
Page 1

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  • Page 1 Instruction Manual for OCM F Measurement Device (Original Instruction Manual – German) ab Software-Revisionsnummer 3.13 NIVUS GmbH Im Taele 2 75031 Eppingen, Germany Phone +49 (0) 72 62 / 91 91 - 0 Fax +49 (0) 72 62 / 91 91 - 999 E-mail: info@nivus.com...
  • Page 2 Branch offices ® NIVUS AG NIVUS Sp. z o.o. Hauptstrasse 49 ul. Hutnicza 3 / B-18 CH - 8750 Glarus PL - 81-212 Gdynia Tel.: +41 (0)55 6452066 Tel.: +48 (0) 58 7602015 Fax: +41 (0)55 6452014 Fax: +48 (0) 58 7602014 E-Mail: swiss@nivus.com...
  • Page 3 Instruction Manual OCM F Translation If the device is sold to a country in the European Economic Area (EEA) this instruction handbook 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 handbook (German) must be consulted or the manufacturer contacted for clarifica- tion.

  • Page 4: Table Of Contents

    Instruction Manual ® OCM F Contents Table of Contents Contents ................4 Table of Contents ................4 General ................. 6 General Notes on Safety and Danger ......... 7 General Danger Signs ..............7 Special Danger Notes ..............7 Turn-off procedure ................. 7 Device Identification ..............
  • Page 5 Instruction Manual OCM F Parameter Setting ..............40 Basics ..................40 Operation Mode (RUN) ............... 41 Display Menu (EXTRA) ............... 44 Parameter Menu (PAR) ............... 47 9.4.1 Parameter Menu „Measurement Place“ ........47 9.4.2 Parameter Menu “Level“ .............51 9.4.3 Information on how to connect i-Series sensors......54 9.4.4 Parameter Menu „Flow Velocity“...

  • Page 6: General

    Instruction Manual ® OCM F General Important READ CAREFULLY BEFORE USE KEEP IN A SAFE PLACE FOR LATER REFERENCE This Instruction manual for the measurement transmitter OCM F is intended for the initial start-up of the unit depicted on the title page. Read the instructions carefully prior to use.

  • Page 7: General Notes On Safety And Danger

    All operations, which go beyond steps to install, to connect or to program the device, must be carried out by NIVUS staff only due to reasons of safety and guarantee. Special Danger Notes...

  • Page 8: Device Identification

    Instruction Manual ® OCM F Device Identification The instructions in this manual apply only for the type of device indicated on the title page. The nameplate is fixed on the on the bottom of the device and con- tains the following: −...

  • Page 9: Overview And Use In Accordance With The Requirements

    Here the allowed maximum values, as specified in chapter 4.3 shall be strictly kept. All cases which vary from these conditions and are not passed by NIVUS GmbH in writing are left at owner’s risk. OCM F - Rev. 04 as of 18.02.2014...
  • Page 10 The approval is only valid in connection with the respective indication on the transmitter or the sensor nameplate. The OCM F Ex version is adjusted to the NIVUS Doppler sensors, type KDA requirements regarding the intrinsically safe system review according to EN 60079-25.

  • Page 11: Specifications

    Instruction Manual OCM F Specifications Power supply 85 to 260 V AC, 47 to 63 Hz or 24 V DC ±15 %, 5 % residual fluctuation Power consumption max. 18 VA (7 VA typical) Enclosure Material: Polycarbonate Weight: approx. 1200 g Protection: IP 65 Mounting...

  • Page 12: User's Responsibility

    Instruction Manual ® OCM F User’s Responsibility In the EEA (European Economic Area) national implementation of the frame- work directive 89/391/EEC and corresponding individual directives, in particu- lar the directive 89/655/EEC concerning the minimum safety and health re- quirements for the use of work equipment by workers at work, as amended, are to be observed and adhered to.

  • Page 13: Function Principle

    Instruction Manual OCM F Function principle General The OCM F is a permanent measurement system for flow measurement and flow control. The device is designed to be used primarily in slight to heavy pol- luted media with various compositions. It can be operated in partial and perma- nent filled channels and pipes with various shapes and dimensions.

  • Page 14: Level Measurement Using Pressure

    Instruction Manual ® OCM F Sensor head Sensor enclosure Double nipple Spigot nut Cable gland Sensor cable Adjustment aid (screw M4) Retaining element Fig. 5-2 Construction pipe sensor, type KDA Level Measurement using Pressure The combi sensor type “KDA“ additionally contains a hydrostatic level measure- ment via integrated pressure measurement cell.

  • Page 15: Flow Velocity Detection

    In this case the VDI/VDE Directive 2640 is very helpful and important. NIVUS recommends the portable meter Type >PVM/PD< or >PCM Pro< as cali- bration measurement or the NIVUS initial start-up service. OCM F - Rev. 04 as of 18.02.2014...

  • Page 16: Unit Versions

    Instruction Manual ® OCM F Unit Versions The OCM F transmitter is available in different versions. The tables below give a brief overview on the various possibilities. The transmitters primarily vary in terms of power supply and Ex-protection. The current type of device is indicated by the article number, which can be found on a weatherproof label on the bottom of the enclosure.

  • Page 17: Storing, Delivery And Transport

    Any damage resulting from transport or transit shall be reported to the carrier instantly. An immediate, written report must be sent to NIVUS GmbH Eppingen as well. Please report any shortcoming due to delivery to your representative or directly to NIVUS Eppingen within two weeks in writing.

  • Page 18: Transport

    Transportation must be carried out in the original packaging. Return The units must be returned at customer cost to NIVUS Eppingen in the original packaging. Otherwise the return cannot be accepted! Page 18 OCM F - Rev.

  • Page 19: Installation

    Instruction Manual OCM F Installation General For electric installation the local regulations in the respective countries (e.g. VDE 0100 in Germany) must be referred to. The OCM F 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<...

  • Page 20: Transmitter Installation And Connection

    In this case view door or display can be cleaned using spirit or if necessary with car polish. If this is not successful, door or display must be replaced by NIVUS. This service is subject to charge.

  • Page 21: Hints For The Avoidance Of Electrostatic Discharge (Esd)

    Electrical Installation Important Note: All installation work, which is described in the following section, must be car- ried out by NIVUS staff only due to reasons of safety and guarantee. OCM F - Rev. 04 as of 18.02.2014 Page 21...

  • Page 22: Transmitter Connection

    Instruction Manual ® OCM F 7.4.1 Transmitter Connection Important Note: Each time before opening the enclosure please ensure to disconnect the measurement system from any voltage. Important Note Never remove the faceplate! Important Note Water or dirt must not leak into the terminal housing. Please seal the housing with the supplied lid and both screws respectively.
  • Page 23 Instruction Manual OCM F Important note Before the first connection it is necessary to have a slight pressure on the screw of the clamping connection to ensure safe opening and a correct con- nection. All further clamps are tension spring clamps with screw clamps. On power supply and relay clamps one copper wire with a maximum cross- section of 2.5 mm²...
  • Page 24 Instruction Manual ® OCM F Fig. 7-3 Clamp wiring OCM F Page 24 OCM F - Rev. 04 as of 18.02.2014...

  • Page 25: Kda Sensor Connection

    Instruction Manual OCM F 7.4.2 KDA Sensor Connection Important Note: Always disconnect the measurement system from mains prior to connecting any sensors. For use of the KDA sensors in the Ex-area, the sensor cables must not be directed past the mechanical shield 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 tension spring clamps or connectors with screw clamps depending on ver-...
  • Page 26 Instruction Manual ® OCM F Fig. 7-6 Connection of 1 KDA wedge or pipe sensor (Ex), Type K0 or R0 Fig. 7-7 Connection of 1 KDA combi sensor (Ex) with integrated pres- sure measurement cell, Type KP The pressure compensation element serves as connection socket for cable extension at the same time.
  • Page 27 Instruction Manual OCM F Fig. 7-9 Connecting a NIVUS i-Serial sensor for level measurement in Ex-Zone 1 Important Note The Zone 1 Ex approval of i-Series sensors is guaranteed thanks to protection encapsulation category "Ex m". These sensors hence must not be connected to the intrinsically safe terminal clamps (Ex ia) of the transmitter.

  • Page 28: Ocm F Power Supply

    Instruction Manual ® OCM F OCM F Power Supply Depending on the type of OCM F used, it can be supplied, with 85-260 V AC. Also possible is a 24 V DC supply. The two slide switches located above the terminals serve as additional power switch.

  • Page 29: Overvoltage Protection Precautions

    For effective protection of the OCM F transmitter it is necessary to protect power supply and mA inputs and outputs. NIVUS recommends surge arrestors type: >EnerPro< 220 Tr< (at 230 V AC) or >EnerPro 24 V< (at 24 V DC).
  • Page 30 Instruction Manual ® OCM F Fig. 7-15 Connecting the overvoltage protection for power supply and analog inputs and outputs Page 30 OCM F - Rev. 04 as of 18.02.2014...
  • Page 31 KDA sensor ca- ble shall be considered additionally! The NIVUS cable lengths below are allowed for use in Ex areas: - unilateral overvoltage protection: 135 m - double-sided overvoltage protection: 120 m Please observe the non-reversed connection (p-side to transmitter) as well as a correct, straight wiring supply.

  • Page 32: Regulator Mode

    Instruction Manual ® OCM F Regulator Mode 7.7.1 General Knowledge in control technologies is necessarily required to correctly and safely set the regulator! Typically there are sluice gate valves, knife gate valves or iris gate valves with electrically driven three-step controller in use. Analog-driven slide valves cannot be used.

  • Page 33: Construction Of Measurement Section And Control Section

    Instruction Manual OCM F 7.7.2 Construction of Measurement Section and Control Section You can find a detailed description of measurement and control sections in the "Installation Instruction for Correlation and Doppler Sensors" manual. Hand-slide valve Ultrasonic sensor P-Series Regulation-slide valve Install pipe sensor using nozzle or tapping saddle Fig.

  • Page 34: Connection For Controller Operation

    Instruction Manual ® OCM F 7.7.3 Connection for Controller Operation Fig. 7-19 Wiring diagram for controller operation Page 34 OCM F - Rev. 04 as of 18.02.2014...

  • Page 35: Control Algorithm

    Instruction Manual OCM F 7.7.4 Control Algorithm If the regulator function is selected (see also Chapter 9.4.8), relay 4 is used for “CLOSE SLIDE VALVE“ and relay 5 for “OPEN SLIDE VALVE“ function. This assignment cannot be modified. The digital inputs are free programmable for position feedback. To ensure cor- rect and failsafe slide valve drive necessarily use the messages "PATH OFF“, "PATH ON“...

  • Page 36: Initial Start-Up

    The OCM F must be wired in accordance with the wiring diagram, see Fig. 7-3! If any problems regarding installation, connection or programming should occur please contact our technical division or our service centre. NIVUS GmbH Service hotline, Phone +49 (0)7262 9191-888 or by e-Mail to: Hotline-worldwide@nivus.com...

  • Page 37: Keypad

    Instruction Manual OCM F In the most cases all you need is: geometry of the measurement place and dimensions used sensors and positioning display units span and function of analog and digital outputs The OCM F user surface was designed in a way that even unfamiliar users are able to easily set up basic settings in dialog mode which ensure reliable device operation.
  • Page 38 Instruction Manual ® OCM F After confirming with >ENTER< the auxiliary screen appears. Level Velocity Medium temperature Current date / system time Digital input status Fig. 8-3 Auxiliary screen There are 5 basic menus available for selection, programming and diagnostic options which are visible in the display headline.

  • Page 39: Operation Basics

    Instruction Manual OCM F Operation Basics The entire operation of the OCM F is menu driven. To navigate within the menu structure use the 4 control keys (see chapter 8.3). navigates upward in the respective submenu (e.g. PAR/measurement place/name) >up< select pre-set values e.g.

  • Page 40: Parameter Setting

    Instruction Manual ® OCM F Parameter Setting Basics The transmitter in the background operates with the settings which have been entered at the beginning of the parameter setting. The system will not ask to ac- cept the modifications before the settings or modifications have been finished. Enter the PIN below in order to accept modifications.

  • Page 41: Operation Mode (Run)

    Instruction Manual OCM F After mounting and installing sensor and transmitter (see previous chapters) ac- tivate the power supply. On initial start-up the unit will prompt the language selection: Fig. 9-2 Language selection Select the desired language with the >up< or >down arrow keys< and confirm with >ENTER<.
  • Page 42 Instruction Manual ® OCM F Time of day totalising Day values Current day with cumulated total 24 h-day totals Date Fig. 9-4 Day values current time of day totalising programmable time of future totalising in <hours : minutes : seconds> Fig.
  • Page 43 Instruction Manual OCM F Error number Number of stored error messages Time of error message Date of error message Type of error / error message Fig. 9-6 Error message Remaining errors are NOT going to be written into the error memory anew if once they have been deleted.

  • Page 44: Display Menu (Extra)

    Instruction Manual ® OCM F Display Menu (EXTRA) This menu allows to modify settings such as units, language, system time as well as the display itself. The following submenus are available: Fig. 9-7 Extra-submenus Due to reasons of limited space it is not possible to indicate the entire menu on the display.
  • Page 45 Instruction Manual OCM F Unit system Here you can select between indication and calculation. Select from: metric system (litre, cubic meters, cm/s etc.), English system (ft, in, gal/s, etc.) and American system (fps, mgd. etc.) Fig. 9-10 Selecting the unit system Units This menu contains the following sub menus: Flow rate...
  • Page 46 Instruction Manual ® OCM F In order to perform various control or memory functions, the unit includes an System time internal clock saving dates of year, weekdays and week numbers. The clock settings can be modified if required (different time zones, summer time / winter time etc.).

  • Page 47: Parameter Menu (Par)

    NIVUS recommends to coordinate and to define names according to names stated in the respective documents. Names may contain up to 15 letters. After the submenu >Name< has been selected the basic setting „NIVUS“ will come up. There is a cursor blinking below the first digit.
  • Page 48 Instruction Manual ® OCM F To complete the name of the measurement place use the four arrow keys and confirm your selection with >ENTER<. The cursor subsequently will jump one digit to the right enabling you to choose the next character. Delete unused characters by entering space.
  • Page 49 Instruction Manual OCM F Fig. 9-20 Channel shape selection Select channel shape with >Up< and >Down< keys. Confirm selection with >Enter<. The selected profile will be indicated in the bottom line of the display. Fig. 9-21 Selected profile screen If the existing profile does not comply with the options to select from, choose >Custom shape<...
  • Page 50 Instruction Manual ® OCM F In order to define the zero point of the channel start by entering 0 – 0 in break- point 1. All further breakpoint can be set freely regarding height as well as width/area. There may be different distances between individual level points. Furthermore it is not required to use all of the 32 breakpoints possible.

  • Page 51: Parameter Menu "Level

    Instruction Manual OCM F Fig. 9-24 Selection low-flow volumes The suppression of low-flow volumes is no offset but a limit value. 9.4.2 Parameter Menu “Level“ Fig. 9-25 Menu 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 sensor type selected.
  • Page 52 Instruction Manual ® OCM F Sensor type Pressure trans. Level measurement by a KDA combi sensor which is directly connected to OCM F according Fig. 7-5. Offset installation e.g. due to sedimentation or high dirt load is possible. Level measurement in case of flooding is possible as well. Sedimentation or soiling Fig.
  • Page 53 Instruction Manual OCM F Fig. 9-30 Sensor type3: 22 wire probe ext. Sensor (Ex) Level measurement by external Ex 2-wire sensor supplied by OCM F e.g. a pressure probe, type NivuBar Plus or echo sounder type Nivu- Compact). Connect as described in Fig. 7-10. Fig.

  • Page 54: Information On How To Connect I-Series Sensors

    Instruction Manual ® OCM F Enter a fixed value for the level here. Only visible, if sensor type no. 2 is se- Value lected. This value is set to 0.1 m (3.9 in) as standard. Select between measurement ranges 4-20 mA or 0-20 mA. Only visible, Measurement range if sensor type no.

  • Page 55: Parameter Menu „Flow Velocity

    Instruction Manual OCM F 9.4.4 Parameter Menu „Flow Velocity“ Fig. 9-33 Sensor settings Sensor type Select between wedge or pipe sensor. The standard setting is wedge sensor. Mounting height This menu point is to modify the installation height of the flow velocity sensor. The standard setting is 15 mm (0.59 in) which is equivalent to the position of the sensor centre above the channel bottom.
  • Page 56 Instruction Manual ® OCM F Fig. 9-35 Digital inputs functions Each digital input chosen by pressing >left< or >right< will be assigned to a Function certain function as long as the regulator function is active. Select from: „inactive“ (The digital input has no function.) DI1 „torque switch“...

  • Page 57: Parameter Menu "Analog Outputs

    Instruction Manual OCM F 9.4.6 Parameter Menu “Analog Outputs“ Fig. 9-36 Menü Analogausgang Innerhalb dieses Menüs kann zwischen den Analogausgängen 1-3 mit den Pfeil- tasten >rechts< oder >links< gewählt werden. Function The selected analog output is going to be assigned to a function. Select from various functions: Not active (no analog signal output) Flow rate (output of analog signal which is proportional to calculated flow...
  • Page 58 Instruction Manual ® OCM F As soon as e.g. the sensor is going to be removed from the medium or no ve- locity can be measured at all (3), the signal first slopes gently getting steeper subsequently. After selecting >Function< it is possible to set “span“, “value at 0/4” or 20 mA and “error mode”...
  • Page 59 Instruction Manual OCM F Error input mask This point is accessible only if error mode has been activated. Output signals can be assigned to the respective error here. Available are Doppler-sensor, external level, temperature, external set point input and slide valve. Velocity is currently not yet available.

  • Page 60: Parameter Menu "Relays

    Instruction Manual ® OCM F 9.4.7 Parameter Menu "Digital outputs“ Fig. 9-43 Relay selection menu This menu allows to select between relays 1-5 using the >right< or >left< arrow keys. Relays 4 (close slide valve) and 5 (open slide valve) are dedicated to regulator functions if the regulator has been enabled.
  • Page 61 Instruction Manual OCM F The choices are: Doppler sensor, external fill level, temperature, external setpoint and slide valve. The velocity is not available. Choose the desired function with the >up< or >down< arrow keys and confirm by pressing ENTER. A tick will appear as soon as the function has been con- firmed.

  • Page 62: Parameter Menu "Control Unit

    Instruction Manual ® OCM F The “OFF” event in case of reaching the limit value can be delayed by up to Time delay off 9999 seconds max. The relay will not de-energise before the time set is ex- pired and the limit value is present yet. If the value falls below the limit thresh- old for a moment the cycle will begin anew.
  • Page 63 Instruction Manual OCM F Non active The function is disabled. Internal set point The set point is determined in the OCM F. active External set point The set point is pre-set externally using the dedicated analog input 2. This can active be accomplished e.g.
  • Page 64 Instruction Manual ® OCM F Guideline: average flow velocity Interval = • 1,3 distance between regulating unit and measurement Use this parameter to monitor spindle breaks, slide valve gate breaks, gear Slide valve run defects, power failures on the regulating unit or other malfunction sources time/shifter time which may reveal because the regulating unit does not move although control signals are being generated.

  • Page 65: Parameter Menu „Setup Parameter

    Instruction Manual OCM F h-quick close h-quick close acts as OR-parameter related to Q-quick close. This parameter defines the desired maximum flow level of the medium. “t-quick close” will be activated as soon as this value has been reached. Depending on application, this parameter shall be set approx.
  • Page 66 Additional system setting options are going to be revealed as soon as a spe- Service mode cial code has been entered. This parameter is reserved for NIVUS service personnel as the settings require comprehensive expert knowledge and are not needed for common applications.

  • Page 67: Signal Input-/Output Menu (I/O)

    Instruction Manual OCM F Signal Input-/Output Menu (I/O) This menu includes several submenus which both serve to assess and to check sensors as well as to control signal inputs and outputs. It allows to indicate vari- ous values (current values of inputs and outputs, relay conditions, distribution of frequency groups etc.), however does not enable to influence signals or condi- tions (offset, adjustment, simulation or similar).

  • Page 68: I/O Menu „Digital Outputs

    Instruction Manual ® OCM F 9.5.3 I/O Menu „Digital Outputs” Conditions which are calculated by the transmitter and routed to the relay for output purposes subsequently can be viewed here. Select from either logically "OFF“ or "ON. Fig. 9-57 Screen digital values The actual output condition of the relay contacts on the output clamps will not be displayed.

  • Page 69: I/O Menu "Sensor-Info

    Instruction Manual OCM F 9.5.5 I/O Menu “Sensor-Info” This menu is to indicate various information regarding the sensor and is mainly for service purposes. Firmware version of sensor Creation date of sensor firmware Quality of velocity measurement Calculated average flow velocity Height measured by pressure sensor Measured medium temperature Velocity of sound resulting from medium temperature...

  • Page 70: I/O Menu "External Level

    Instruction Manual ® OCM F There are cases where, despite comparatively high quality values, it is not possible to correctly investigate the flow velocity reading due to poor frequen- cy group distribution. In such cases install the flow velocity sensor in another place.

  • Page 71: I/O Menu "Control Unit

    Instruction Manual OCM F 9.5.8 I/O Menu “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 screen below: Currently measured flow rate Set point of regulator Difference between Q and Q Regulator status: Normal, Quick close, Idle, Error...

  • Page 72: Calibration And Calculation Menu (Cal)

    Instruction Manual ® OCM F Calibration and Calculation Menu (CAL) This menu is to adjust the level measurement, to adapt flow velocity and analog outputs to following systems and to simulate relay switching events and analog outputs. Fig. 9-65 CAL- menu selection 9.6.1 CAL Menu “Level“...

  • Page 73: Cal Menu "Flow Velocity

    Instruction Manual OCM F 9.6.2 CAL Menu “Flow Velocity“ Fig. 9-67 Submenu – velocity min. velocity Defines the minimum flow velocity measurement range the OCM F shall measure and process. It is set to -4 m/s per default. The minimum flow velocity can be set to >0<...
  • Page 74 Instruction Manual ® OCM F h-critical h_crit min Range of automatic Q/h relation determination of application coefficient Fig. 9-68 Flow velocity determination graph Auto discharge curve Depending on the selected setting, entered values are verified and corrected if necessary with the next measuring event (automatic >active<). Another option is to permanently operate using the values entered in "Manning Strickler“, "manual“...
  • Page 75 Instruction Manual OCM F Comprehensive expert knowledge is required to properly utilise these parame- ters. We therefore recommend the NIVUS commissioning service or a thor- ough device training. Fig. 9-70 Selecting v-crit determination Manning Strickler The theoretical discharge curve is calculated using the settings under >Dimen- sions<, >Slope<...
  • Page 76 Instruction Manual ® OCM F Assistant The OCM guides through a menu using an artificial dam-up (e.g. using a sand- bag) to determine required characteristics. The theoretical discharge curve will be generated automatically. This function may be combined with the automatic mode. The theoretical set- tings within the flow velocity monitoring area (see Fig.

  • Page 77: Cal Menu "Analog Outputs

    High risk potential during simulation Due to the extremely high risk potential (direct access to following plant sec- tions) as well as incalculable effects due to poor or faulty simulation, NIVUS herewith refuse to accept any responsibility for personal or material damages...
  • Page 78 The simulation of OCM F outputs will access any following facility areas with- out any safety locking measures! Simulations are allowed to be executed exclusively by NIVUS expert person- nel or by expert companies trained by NIVUS in cooperation with experienced users. Be sure to always observe safety precautions! WARING...

  • Page 79: Cal Menu „Digital Outputs

    Instruction Manual OCM F 9.6.4 CAL Menu „Digital outputs“ Selecting the >Digital outputs< menu requires to enter the PIN (2718) once again. This ensures to prevent unauthorised persons from performing simula- tions during operation. Choose the desired relays to be simulated by using the >up< and >down< arrow keys.

  • Page 80: Parameter Storage

    Fig. 9-82 PaDa Installation Warning After the software has been installed successfully, run the tool under Win- dows® XP either from „Start – All Programs - NIVUS GmbH“ or via the desk- top icon (self-installed; German, English or French). Fig. 9-83...
  • Page 81 Instruction Manual OCM F Select the desired option using the >up< and >down< arrow keys and confirm with the Enter key. The standard installation routine will install the software un- der Windows® XP in the C:\Programme\PaDa directory. Parameter sets will be saved there as well.

  • Page 82: Parameter Tree

    10 Parameter tree Parameter Menu (RUN) default day values info cycle erase counter error messages Parameter Menu (PAR) Part 1 default measurement place name NIVUS profil round pipe radius 0,45 3er egg radius 0,225 rectangular channel height channel width U-profil...
  • Page 83 Instruction Manual OCM F Parameter Menu (PAR) Part 2 default Sludge level Low-flow volume Qmin. Low-flow volume Vmin level sensor type pressure trans. mounting offset 0,005 constant level value external sensor range 4-20 mA value at 0/4 mA value at 20 mA offset damping external sensor (Ex)
  • Page 84 Instruction Manual ® OCM F Parameter Menu (PAR) Part 3 analog output default function inactive flow rate level velocity temperature constant current output range 0-20 mA 4-20 mA value at 0/4 mA 1 m/s value at 20 mA 0,8 m/s errror mode inactive active...
  • Page 85 Instruction Manual OCM F Parameter Menu (PAR) Part 4 default switch point on switch point off time delay on time delay off name only when relays function is "impulse" impulse duration amount control unit function not active internal set point active external set point active external set point range at 0/4 mA external set point range at 20 mA...
  • Page 86 Instruction Manual ® OCM F Parameter Menu (I/O) digital input analog output digital output measurement data sensor info v-histogram external set point external level control unit control unit test mode Parameter Menu (CAL) default level calibration velocity min. velocity -4,0000 max.
  • Page 87 Instruction Manual OCM F Parameter Menu (EXTRA) Extra default info (1-4) (page 1) (page 2) (page 3) (page 4) unit system metric UK-english US-english units flow rate velocity level total display format velocity level total language Deutsch english Français Polski display contrast system time...

  • Page 88: Troubleshooting

    Instruction Manual ® OCM F 11 Troubleshooting Error Possible reasons Correction No indication of flow Connection Check connection between sensor cable and ter- (>0<or >----<) minal strip. Check connection boxes, connections for sensor cable extension or air compensation element for correct connection or moisture. Sensor cable connected to appropriate terminal clamp strip (Ex or Non-Ex)? Sensor...
  • Page 89 Instruction Manual OCM F Unstable measure- Hydraulically unsuita- Check quality of measurement place by using the ment values ble measurement graphic frequency group distribution display. Relo- place cate the sensor to a hydraulically more suitable place (extend calming section). Remove soiling, sedimentation or obstructive con- structions in front of the sensor.
  • Page 90 Instruction Manual ® OCM F Programming Check if relay outputs are enabled. Check if outputs are correctly assigned to respec- tive output channels. Check additional values such as impulse parame- ters, limit values, logic etc. No controller function Connection Check terminal clamps (relays 4 and 5 are dedi- cated to controller function).

  • Page 91: Verification Of The Measurement System

    12 Verification of the Measurement System 12.1 General The verification of the measurement system should be carried out by the NIVUS service if possible or by an expert company authorised by NIVUS. In case of an initial general verification carried out by hydraulically and technical- ly well-versed personnel, proceed according to the guidelines described below: −...

  • Page 92: Verification Of External Level Measurement

    Instruction Manual ® OCM F Fig. 12-1 Determination of reference level under operating conditions Flow velocity sensors with pressure measurement sensor (Type KP) must be uninstalled as soon as the pressure level measurement fails. The sensor shall be soaked for an appropriate period and the pressure channel (see Fig. 5-1) shall be flushed carefully of shall be cleaned with a soft brush.

  • Page 93: Verification And Simulation Of Input And Output Signals

    In various countries it may be necessary to carry out regular maintenance with comparative measurements in particular applications to comply with official regu- lations. If desired, NIVUS is going to carry out all required verifications, hydraulic and technical assessment, calibration, troubleshooting and repairs if an accord- ing maintenance agreement has been contracted.

  • Page 94: Maintenance And Cleaning

    NIVUS. If required clean the transmitter enclosure if with a dry, lint-free cloth. For heavy pollution NIVUS recommends the use of surface-active agents. The use of abrasive cleansing agents is not allowed. 13.2 KDA-Sensor...

  • Page 95: Accessories (Optional)

    Instruction Manual OCM F 13.3 Accessories (optional) KDA-Sensor Ultrasonic Doppler sensor for flow velocity or combi sensor for flow velocity and level for connection to OCM F. KDA-K… Pipe measurement section for OCM Pro CF and OCM F (short) OCM0 ZDN0 Flange Flange DN 200 made of PVC with R1"...

  • Page 96: Table „Manning - Strickler Coefficients

    Instruction Manual ® OCM F 14 Table „Manning - Strickler Coefficients“ Channel wall consistency M in m k in mm glass, PMMA, polished metal surfaces > 100 0...0,003 plastic (PVC, PE) 0,05 ≥ 100 new steel plate with protective coating; 0,03...0,06 smoothened cement plaster asphalt coated steel plate;...

  • Page 97: Emergency

    Fig. 7-8 Connecting an ext. 2-wire sensor (no Ex) for flow level measurement..........26 Fig. 7-9 Connecting a NIVUS i-Serial sensor for level measurement in Ex-Zone 1 ........27 Fig. 7-10 Connecting an ext. 2-wire sensor (Ex) for flow level measurement..........27 Fig.
  • Page 98 Instruction Manual ® OCM F Fig. 9-16 PIN-Code request..........................46 Fig. 9-17 submenu – name..........................47 Fig. 9-18 Setting the name (of the measurement place) .................. 48 Fig. 9-19 Accepting the new name ........................48 Fig. 9-20 Channel shape selection ........................49 Fig.
  • Page 99 Instruction Manual OCM F Fig. 9-78 Adjustment of analog outputs ......................77 Fig. 9-79 Simulation of analog outputs ......................78 Fig. 9-80 Relay simulation ..........................79 Fig. 9-81 Simulation mode..........................79 Fig. 9-82 PaDa Installation Warning ......................... 80 Fig. 9-83 PaDa English .............................

  • Page 100: Index

    Instruction Manual ® OCM F 18 Index Mounting height Analog outputs 57, 67 Name of measurement place Names Cable Glands Calibration menu Operating permits Channel shape Operation basics Clamp wiring Overvoltage Protection Connecting an i serial sensor Connection Control algorithm Parameter setting Control unit Parameter tree...

  • Page 101: Certificates And Approvals

    19 Certificates and Approvals The approvals are only valid in connection with the respective indication on the transmitter’s nameplate. The complete EC-type examination certificates (incl. supplements) can be downloaded from www.nivus.com.

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