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Instruction Manual

OCM F

Page 36

OCM F - Rev. 04 as of 18.02.2014

®

8

Initial start-up

8.1

Notes to the User

For proper start-up of the entire system it might be necessary to additionally
refer to the accessories manuals below.

>Installation instructions for Correlation and Doppler sensors<

>Technical instructions for Doppler sensors<

These manuals are part of the accessories standard delivery.

Before you connect and operate the OCM F you should strictly follow the notes
below!
This instruction manual contains all necessary information to program and to
operate the device, addressing qualified technical staff who have appropriate
knowledge about measurement technology, automation technology, information
technology and waste water hydraulics.
To ensure a correct function of the OCM F this instruction manual must be read
thoroughly!
It is vital to read and comply with the safety instructions!
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:

[email protected]

For initial start-up of the complete system, the instruction manuals of the acces-
sories have also to be read. These manuals are included in the accessories de-
livery.

8.2

General Principles

The initial start-up is not allowed until the installation has been finished and
checked. To exclude faulty programming this instruction manual must be read
before the initial start-up. Please get familiar with the OCM F programming via
display and keyboard by, reading the instruction manual before you begin to
program the device.
After transmitter and sensors are connected (see chapters 7.4.1 and 7.4.2) the
parameters must be set.

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Содержание osm-f

Страница 1: ...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...

Страница 2: ...ire Tel 44 0 1926 632470 E mail info nivus com Internet www nivus com NIVUS U K 1 Arisaig Close Eaglescliffe Stockton on Tees Cleveland TS16 9EY Phone 44 0 1642 659294 E mail info nivus com Internet w...

Страница 3: ...struction handbook German must be consulted or the manufacturer contacted for clarifica tion Copyright No part of this publication may be reproduced transmitted sold or dis closed without prior permis...

Страница 4: ...15 5 4 Unit Versions 16 6 Storing Delivery and Transport 17 6 1 Receipt 17 6 2 Delivery 17 6 3 Storing 17 6 4 Transport 18 6 5 Return 18 7 Installation 19 7 1 General 19 7 2 Enclosure Dimensions 19 7...

Страница 5: ...5 7 I O Menu External Level 70 9 5 8 I O Menu Control Unit 71 9 5 9 I O Menu Test control unit manual mode 71 9 6 Calibration and Calculation Menu CAL 72 9 6 1 CAL Menu Level 72 9 6 2 CAL Menu Flow V...

Страница 6: ...is part of the OCM F delivery and shall be available to users at any time The safety instructions contained therein must be followed In case of selling the OCM F this technical description must be pro...

Страница 7: ...OCM F the following infor mation 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 All ope...

Страница 8: ...part orders to specify article num ber as well as serial number of the respective transmitter or sensor This en sures correct and quick processing Fig 3 1 Transmitter nameplate This instruction manua...

Страница 9: ...ten consent of the manufacturer will not be considered as use in accordance with the re quirements Damages resulting from this are left at user s risk The device is designed for a lifetime of approx 1...

Страница 10: ...1 Transmitter Approval II 2 G Ex ib IIB WARNING 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 t...

Страница 11: ...ion for external level measurement and external set points 4 x digital input 1 compact Doppler active sensor type KDA connectable Outputs 3 x 0 4 20 mA load 500 Ohm 12 bit resolution accuracy better t...

Страница 12: ...egulations safety of work materials and tools safety equipment and maintenance disposal of products laws on wastes disposal of materials laws on wastes cleaning cleansing agents and disposal environme...

Страница 13: ...ork that the water contains particles which are able to reflect the ultrasonic signal sent by the sensor dirt particles gas bubbles or similar The OCM F utilises an active compact Doppler sensor Type...

Страница 14: ...using Pressure The combi sensor type KDA additionally contains a hydrostatic level measure ment via integrated pressure measurement cell The piezo resistive pressure sensor operates according to the...

Страница 15: ...flecting particles in relation to the acoustic source the frequency of the ultrasonic signal is shifted The resulting frequency shift is directly proportional to the particles movement within the medi...

Страница 16: ...can be found on a weatherproof label on the bottom of the enclosure From this article key the type of device can be specified Fig 5 3 Type key for OCM F measurement transmitter OCF Type 00 Enclosure W...

Страница 17: ...ormity All required steps to correctly install and to operate the measurement system are listed herein a OCM F transmitter a screwdriver with a 2 5 mm 0 098 in blade for connecting the sensor inside t...

Страница 18: ...conceived for harsh industrial conditions Despite this do not expose them to heavy shocks or vibrations Transportation must be carried out in the original packaging 6 5 Return The units must be return...

Страница 19: ...d personnel only Further statutory standards regulations and technical rulings have to be taken into account All outer circuits wires and lines connected to the device must have a minimum isolation re...

Страница 20: ...ansmitter is provided with a protection foil for protection during transport and from scratches during assembly This pro tection foil has to be removed immediately after the assembly Clear view door T...

Страница 21: ...m your body before touching the electronic modules of the unit such as circuit boards as well as their components To do so touch a grounded metallic surface such as the en closure frame or a metal pip...

Страница 22: ...for this This screw must be screwed into the mounting plate protruding 4 mm 0 16 in Then hang the enclosure on the screw and additionally fix it with 2 more screws from the terminal clamp housing Ple...

Страница 23: ...mping 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 s...

Страница 24: ...Instruction Manual OCM F Page 24 OCM F Rev 04 as of 18 02 2014 Fig 7 3 Clamp wiring OCM F...

Страница 25: ...nsor cable has to be connected to the transmitter at the termination block using tension spring clamps or connectors with screw clamps depending on ver sion Lead the sensor cable from outside through...

Страница 26: ...nnection 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 re sista...

Страница 27: ...nected 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 transmitter and thus invalidate...

Страница 28: ...nsmitter with 24 V DC cannot be operated with alternating current just as it is impossible to operate a 230 V AC transmitter with direct current When operated with alternating current the direct curre...

Страница 29: ...manual 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 2...

Страница 30: ...Instruction Manual OCM F Page 30 OCM F Rev 04 as of 18 02 2014 Fig 7 15 Connecting the overvoltage protection for power supply and analog inputs and outputs...

Страница 31: ...elements as well as capacities and inductance of the KDA sensor ca ble shall be considered additionally The NIVUS cable lengths below are allowed for use in Ex areas unilateral overvoltage protection...

Страница 32: ...tory requirement These signals have to be connected to the digital inputs 1 3 of the measurement transmitter Please note to select gold plated contacts in order to ensure contact reliability Connect a...

Страница 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 P Series 3 Regulation...

Страница 34: ...Instruction Manual OCM F Page 34 OCM F Rev 04 as of 18 02 2014 7 7 3 Connection for Controller Operation Fig 7 19 Wiring diagram for controller operation...

Страница 35: ...ia the digital inputs always use all the 3 messages Activating one message only may result in disturbed regulator operation The regulator can be operated with external or internal set point External s...

Страница 36: ...t be read thoroughly It is vital to read and comply with the safety instructions The OCM F must be wired in accordance with the wiring diagram see Fig 7 3 If any problems regarding installation connec...

Страница 37: ...ions in case of absence of expert staff or if a setup and error protocol is required the programming should be carried out by the manufacturer or an expert company which is authorised by the manufactu...

Страница 38: ...AR This menu is the most extensive of the OCM F It is for the com plete parameter setting of dimensions of the measurement place sensors analog and digital inputs and outputs and regulator func tion d...

Страница 39: ...et values e g units m cm l s m s etc decrease values set decimal point left press once toggle between indication mode and overview menu main menu jump across in main or submenu jump across between ide...

Страница 40: ...start subsequently The OCM F is ready for operation after approx 20 30 sec onds It is possible to save modified parameters at the end of the parameter setting procedure Entered parameters may be saved...

Страница 41: ...tains the total flow values of the past 7 days see Fig 9 4 Presumed the transmitter was operated without any interruption in the past seven days Otherwise it shows the total for the uninterrupted days...

Страница 42: ...nd time Selecting the menu will always indicate the latest last error message Browse through error messages using the keys left and right Pressing the ENTER key will delete all error messages one by o...

Страница 43: ...Date of error message 5 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 As soon as the error o...

Страница 44: ...the black scroll bar on the right hand side of the display Scroll through the menu using the up and down keys Info This point provides comprehensive information on unit type transmitter serial no and...

Страница 45: ...nding on the unit system selected there are various units available Fig 9 11 Selecting the units Format Choose display formats for velocity and totals here The position of the decimal point can be def...

Страница 46: ...ystem time This menu point is for indicating purposes only Hence the system time can not be adjusted here Modifications can be carried out in the individual menus set date and set time Fig 9 13 Select...

Страница 47: ...arameter Menu Measurement Place This menu is one of the most important basic menus for parameter setting as the measurement place is going to be defined here The menu cannot be indicated completely du...

Страница 48: ...ain the same movements as well if you move the cursor to the rightmost or leftmost edge of the table by using left or right As soon as the cursor has reached the rightmost or leftmost edge of the tabl...

Страница 49: ...the options to select from choose Custom shape in this case Confirm with Enter After having custom shape selected first choose channel dimensions Channel dimensions Type in the respective channel dime...

Страница 50: ...serves to suppress lowest movements or apparent volumes arising Used mainly to measure overflow volumes in constructions which are permanently flooded by receiving water Qmin measurement values lower...

Страница 51: ...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 dependin...

Страница 52: ...ers for constantly full filled pipes and chan nels Such applications normally do not require level measurements The constant filling level must be set under value and is used for flow calculation This...

Страница 53: ...y The transmitter will access only the clamps which have been programmed in the menu Due to this reason please observe correct sensor connection see chapter 7 4 2 Mounting height Only visible if senso...

Страница 54: ...move the zero point of the external sensor Only visible if sen sor type no 3 or 4 is selected This value is set to 0 m 0 0 in as standard Damping This value is to damp a fluctuating signal of an exte...

Страница 55: ...8 mm into the channel bottom see Installation Instruction for Correlation and Doppler Sensors Never countersink flow velocity sensors with integrated pressure measure ment cell into the channel botto...

Страница 56: ...urement using an external signal such as flood messages or limit val ues for measurement start or similar Indicated as 0 l s inputs and outputs set will de energise Logic Toggle between inverse and no...

Страница 57: ...ional to mean flow velocity averaged from measured individual velocities Temperature output of measured water temperature as analog signal Constant current calculates from the ratio between valid read...

Страница 58: ...ty signal quality or tempera ture toggle between measurement ranges of 0 20 mA or 4 20 mA here Value at 0 mA Enter the measurement value at 0 m Value at 4 mA Enter the measurement value at 4 mA Exampl...

Страница 59: ...oon as the function has been con firmed Pressing ENTER once more will deactivate the function again Leave this point by pressing ESC see Fig 9 41 All errors will be saved in the error memory see Chap...

Страница 60: ...if level falls below a second limit value to be set Limit velocity Relay will energise if a velocity limit value to be set has been exceeded and will de energise if velocity falls below a second limi...

Страница 61: ...ON and OFF delays as well as modifications of the name which might come into effect on the screen see Fig 9 46 Fig 9 46 Limit value parameter Switching mode It is possible to select between normally...

Страница 62: ...lse duration e g in case of using slow SPS PLC inputs or sluggish mechanic counters Volume impulse Defines the impulse value The measured volume will be added internally until the value set has been r...

Страница 63: ...red here Fig 9 50 Control unit settings Int Set point This parameter is to determine the internal flow set point in l s Min variation This parameter defines the permissible setpoint deviation of the c...

Страница 64: ...inimum regulating time of a regulating unit in or der to ensure that calculated very short control impulses mechanically affect the regulating unit at all Hence the minimum control impulse duration sh...

Страница 65: ...ON to the position it has whilst being in normal regulator mode h or Q quick close are the conditions for t quick close to switch t of Pos CLOSED This period is for error cases e g interrupted sensor...

Страница 66: ...l system setting options are going to be revealed as soon as a spe cial code has been entered This parameter is reserved for NIVUS service personnel as the settings require comprehensive expert knowle...

Страница 67: ...primarily serves in order to assess the parameter settings and for error diagnosis Fig 9 54 I O Menu 9 5 1 I O Menu Digital Inputs Digital input values routed to the transmitter input clamps can be v...

Страница 68: ...l output condition of the relay contacts on the output clamps will not be displayed The only signal visible is the one the relay is receiving for output purposes External faulty wiring neither can be...

Страница 69: ...am indicates the spreading of the investigated Doppler frequency Each bar peak represents a frequency group This is particularly important to assess and to choose measurement places as well as to find...

Страница 70: ...ors Quality very good Frequency distribution very good Quality good Frequency distribution good Quality satisfactory Frequency distribution satisfactory Quality none Frequency distribution none Qualit...

Страница 71: ...both relays Fig 9 63 Control unit selection 9 5 9 I O Menu Test control unit manual mode DANGER Caution Danger of injury The manual controller operation directly will access any following facility are...

Страница 72: ...the pressure sensor to the zero point regularly recommended interval 6 months Required values have to be investigated with the sensor being removed if possible or if the water level is as low as possi...

Страница 73: ...ity The value is set to 1 per default h crit Measuring the flow velocity is no longer possible as soon as the level falls be low a certain level called h_crit The level h_crit is pre determined by the...

Страница 74: ...ctive Another option is to permanently operate using the values entered in Manning Strickler manual or Assistant automatic inactive Fig 9 69 Defining v crit Note Please avoid backwater up to levels of...

Страница 75: ...y monitoring area see Fig 9 68 No 4 will be veri fied using this method Fig 9 71 Manning Strickler v crit determination Slope Enter the slope at measurement point in Strickler coefficient Enter the Ma...

Страница 76: ...ensure free discharge then start level measurement with ENTER Fig 9 73 Assistant start measuring v crit determination The OCM executes the first level measurement in free discharge Measuring will take...

Страница 77: ...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 herewi...

Страница 78: ...em of the facility This requires detailed preparation It is absolutely necessary to have a safety person available The following system must be set to manual operation mode Actuators or similar have t...

Страница 79: ...m temperature by using the up and down arrow keys Pressing right or left will increase or decrease the simulated flow velocity or temperature value in steps of 1 cm or 0 1 C Using ENTER enables to ent...

Страница 80: ...esent can be operated under Windows XP Vista and Win dows 7 32 Bit version If a warning should be displayed during installation click the Continue Any way button PC or Laptop are not capable of detect...

Страница 81: ...ich have been modified in the unit varying from de fault using a file named CHGPARAM TXT Send parameters to device Sends previously saved parameters PARAM TXT to OCM F in case of acci dental system re...

Страница 82: ...ase counter error messages PAR default measurement place name NIVUS profil round pipe x radius 0 45 3er egg radius 0 225 rectangular channel height 1 channel width 1 U profil channel height 1 radius 0...

Страница 83: ...ng offset 0 005 constant level value 0 1 external sensor range 4 20 mA value at 0 4 mA 0 value at 20 mA 4 offset 0 damping 3 external sensor Ex value at 4 mA 0 value at 20 mA 4 offset 0 damping 3 velo...

Страница 84: ...lue at 20 mA 0 8 m s errror mode inactive x active error input mask value in error case hold old value constant 0 mA x constant 3 6 mA constant 4 0 mA constant 20 475 mA digital outputs relay function...

Страница 85: ...ot active internal set point active external set point active external set point range at 0 4 mA external set point range at 20 mA max flow rate 200 int set point flow 40 control deviation 5 cycle tim...

Страница 86: ...control unit control unit test mode Parameter Menu CAL CAL default level calibration velocity min velocity 4 0000 max velocity 4 0000 calibration factor 1 0000 h crit 0 065 h crit min 0 auto dischar...

Страница 87: ...default info 1 4 page 1 page 2 page 3 page 4 unit system metric x UK english US english units flow rate velocity level total display format velocity level total language Deutsch x english Fran ais Po...

Страница 88: ...f measurement with pressure cell check compensation channel at sensor body for obstruc tions Remove yellow cap from filter element Check level measurement parameter Fixed value in case measuring in fu...

Страница 89: ...rnal level signals Check for correct connection Check if cables are crushed for short circuits and improper resistive loads or current consumers without galvanic isolation Check measurement range and...

Страница 90: ...d enabled as setpoint Relay outputs enabled Observe control ler status in I O menu Faulty mA output Connection Check connection clamps for correct wiring and polarity In case of using one or several o...

Страница 91: ...s Chap 12 2 and 12 3 For initial assessment mainly the I O menu as well as the I key on the trans mitter are helpful Refer to chapter 11 to locate the most prominent errors 12 2 Verification of Combi...

Страница 92: ...the channel This may lead to misadjustment of the 0 point or may even destroy the built in pressure sensor Furthermore never remove the ground plate risk of leakage or sensor destruc tion 12 3 Verific...

Страница 93: ...or is obstructed due to build up or soiling to be removed as soon as the histogram indicates visible disturbances Another reason is that the sensor may have been installed at a hydraulically un favour...

Страница 94: ...l as the according cycles depend on the following factors measurement principle of the level sensor material wear measurement medium and channel hydraulics general regulations for the operator of this...

Страница 95: ...uminium plastic degree of protection IP54 Replacement filter ZUB0 FILTER02 with plug and connection hose for sensors with pressure measurement cell for connection PCM series transmitters as well as th...

Страница 96: ...finish 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 f...

Страница 97: ...6 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 7 11 Connecting an external flow level...

Страница 98: ...9 44 Relay outputs submenu 60 Fig 9 45 Error input mask 61 Fig 9 46 Limit value parameter 61 Fig 9 47 Impulse parameters impulse duration 62 Fig 9 48 Control unit basic settings 62 Fig 9 49 Setting th...

Страница 99: ...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 80 Fig...

Страница 100: ...eypad 37 L Language 45 Level Parameter 51 M Maintenance 94 Manning Strickler coefficients 96 Measurement Section 33 Mounting height 53 N Name of measurement place 47 Names 3 O Operating permits 12 Ope...

Страница 101: ...nd 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 f...

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