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Nivus NivuFlow Energy Saver Instruction Manual

Flow measurement transmitter
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F L O W p e r m a n e n t
Instruction Manual
Flow Measurement Transmitter
NivuFlow Energy Saver
Firmware Revision: 2.20
Document revision: 00 / 12.01.2018
Original manual: German, rev. 00 as of 21.12.2017
I n s t r u m e n t a t i o n f o r W a t e r I n d u s t r y
NIVUS GmbH • Im Täle 2 • D-75031 Eppingen • Internet: www.nivus.de
Tel.: +49 (0) 7262 9191-0 • Fax: +49 (0) 7262 9191-999 • E-Mail: info@nivus.com

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Summary of Contents for Nivus NivuFlow Energy Saver

  • Page 1 I n s t r u m e n t a t i o n f o r W a t e r I n d u s t r y NIVUS GmbH • Im Täle 2 • D-75031 Eppingen • Internet: www.nivus.de Tel.: +49 (0) 7262 9191-0 • Fax: +49 (0) 7262 9191-999 • E-Mail: info@nivus.com...
  • Page 2 Phone: +562 2266 8119 chile@nivus.com www.nivus.com NIVUS Ltd., United Kingdom Wedgewood Rugby Road Weston under Wetherley Royal Leamington Spa CV33 9BW, Warwickshire Phone: +44 (0)8445 3328 83 nivusUK@nivus.com www.nivus.com page 2 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 3 Copyrights and property rights Copyrights and property rights This document and its contents are proprietary to NIVUS GmbH and are not to be reproduced or copied without the express written permission of NIVUS GmbH. Violations oblige to compensation. Important Note This instruction manual may exclusively - even in parts - be copied or translated in any other way with the express written consent of NIVUS GmbH.
  • Page 4 Safeguards and Precautions ............15 Liability disclaimer ..............16 Use in accordance with the requirements ........16 User’s Responsibilities ...............17 Personnel requirements .............18 PRODUCT SPECIFICATION Product construction and overview ..........19 Dimensions of enclosure .............. 20 page 4 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 5 14.4 Transmitter fastening on DIN rail in control cabinets ....32 14.5 Field enclosure fastening and preparing electric installation ..32 15 Electric Installation ..............34 15.1 Connection to the Terminal Blocks ..........34 15.2 Plans of terminal connections ............36 NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 5...
  • Page 6 19.5 Revision of parameters ..............52 19.6 Menus ...................52 MAIN DISPLAY 20 General overview ................53 20.1 Display Flow ................55 20.2 Display Efficiency ................56 20.3 Display Velocity ................56 20.4 Display Level Shaft ...............57 20.5 Display Sum ..................58 page 6 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 7 Number of Flow Velocity Sensors ........74 23.3.2 Sensor Types ..............75 23.3.3 Mounting position of v-Sensors .......... 75 23.3.4 Weighting ................79 23.3.5 Limiting the Velocity Evaluation .......... 79 23.3.6 Data Transmission Rate ............ 80 NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 7...
  • Page 8 Change (System) Password ..........106 25.5.2 Restart ................106 25.5.3 Measurement Restart ............107 25.5.4 Parameter Reset .............. 107 26 Communication Parameters Menu ..........107 27 Display Parameters Menu ............109 28 Connections ................111 page 8 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 9 36 Cleaning ..................123 36.1 Transmitter ..................123 36.2 Sensors ..................123 37 Dismantling/Disposal ..............123 38 Accessories ................124 INDEX CREDITS AND LICENSES 39 List of references of the licenses and codes used ....128 NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 9...
  • Page 10 Technical Information USB HART Modem • Technical Instructions NIVUS MODBUS TCP/RTU Application Interface for measure- ment transmitters of the series NivuFlow 5xx, 6xx and 7xx These manuals are provided with the auxiliary units or sensors and/or are available as down- load on the NIVUS homepage.
  • Page 11 Power Supply DC Power Supply AC and protective conductor Fig. 2-1 Electrical connections of power supply You can find a detailed connection plan in chapter „15.2 Plans of terminal connections“. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 11...
  • Page 12 • Main Display • Menu >Application< Selection of v-sensors ƒ Diagnostics v-sensors ƒ Selection of analog inputs (AI) ƒ Selection of analog outputs (AO) ƒ page 12 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 13 Network interface (LAN) BUS interface (RS485/RS232) HART-interface USB-A-interface (data transfer, parameter backup, device update) USB-B-interface (service mode) Fig. 2-3 Available interfaces Descriptions of the individual interfaces see chapter „26 Communication Parameters Menu“. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 13...
  • Page 14 Contains information that should be highlighted. Indicates a potentially damaging situation which can result in a damage of the product or an object in its environment. Note Contains information and facts. page 14 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 15 Safeguards and Precautions Working with NIVUS instruments requires to observe and to follow the safety measures and precautions below generally and at any time. These notes and warnings will not be repeated for each description within the document.
  • Page 16 All operations on the device which go beyond installation or connection measures in principle shall be carried out by NIVUS staff or personnel authorised by NIVUS due to reasons of safety and guarantee.
  • Page 17 The combination of NivuFlow and the iXT Ex Separation Interface is adjusted solely to NIVUS sensors (correlation sensors, ultrasonic sensor OCL, i-series sensors i-03/ i-06/i-10/i-15 and pressure probe NivuBar) regarding the intrinsically safe system review according to EN60079-25.
  • Page 18 II. Education and instruction according to the standards of safety engineering regarding the maintenance and use of adequate safety equipment. III. First aid training page 18 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 19 Rotary pushbutton Function key DIN rail fastening Fig. 9-1 Device setup NivuFlow Energy Saver enclosure type E0/E1 Note For correct terminal wiring follow the terminal wiring diagram (see chapter „15.2 Plans of terminal connections“). NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 20 Instruction Manual NivuFlow Energy Saver Dimensions of enclosure Fig. 9-2 Dimensions of NivuFlow enclosure type E0 Fig. 9-3 Dimensions of field enclosure of NivuFlow with iXT page 20 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 21 This ensures correct and quick processing. Note Check the delivered instrument for accordance with your order by identifying the name- plate. Check the nameplate for correct specification of the power supply. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 21...
  • Page 22 Material: polycarbonate PC Weight: ca. 3200 g (incl. NivuFlow and iXT0 211) Protection DIN rail IP20 Field enclosure IP67 (option IP68) Operating conditions Protection class I Overvoltage category II Pollution degree 2 page 22 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 23 30 seconds to 5 minutes Communication Modbus RTU via RS485 Table 10-1 Specifications Sensors Observe the specifications of the according sensors as described in the respective instruction manuals or technical descriptions. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 23...
  • Page 24 A transmitter type NivuFlow Energy Saver corresponding to the shipping documents. • The instruction manual including the certificate of conformity and approvals. It con- tains any relevant information on how to operate the NivuFlow Energy Saver. Check additional accessories depending on your order and according to the delivery note. 11.3 Reception inspection Check the packaging for visible damage immediately after receipt.
  • Page 25 Do not expose the system to heavy shocks or vibrations. Use the original packaging for transport. 11.6 Return In case of a required reshipment return the unit at customer cost to NIVUS GmbH in Eppingen using the original packaging. Insufficiently franked shipments will not be accepted! 11.7...
  • Page 26 The system can be used in permanent full pipes featuring various dimensions. NivuFlow Energy Saver is a special version of the NivuFlow 750 transmitter. It is for use in pump stations featuring up to four pumps, the output of which is controlled by using a frequency controller.
  • Page 27 ACS 355 (in preparation) • User defined >User defined< limited use only It is technically possible to use own, user-defined frequency converters, NIVUS, however, do not provide any support and do not accept any warranty claims. 13 Functional Principles 13.1...
  • Page 28 If a sufficient calming section is available on the measurement place it is possible to compute a 3-dimensional flow distribution (see Fig. 13-5). The result is based on the geometric data of the flume and the velocity distribution. page 28 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 29 (e. g. by using an i-Series sensor). It is possible to directly connect 2-wire sensors supplied by the NivuFlow Energy Saver (e. g. NivuBar, i-Series sensor). A 4…20 mA signal provided by an external transmitter (such as 4…20 mA from NivuMaster) can be used as well.
  • Page 30 NivuFlow Energy Saver Type E0 not suitable for installation in NIVUS field enclosure It is not possible to install a NivuFlow Energy Saver Type E0 in a NIVUS field enclosure unless the transmitter is converted to a Type E1 unit. The conversion and the modification of connections can be carried out by NIVUS.
  • Page 31 Installation and Connection Later installation in NIVUS field enclosure If a converted NivuFlow Energy Saver Type E0 transmitter and an iXT Ex separation module are to be installed in a NIVUS field enclosure, connect transmitter and iXT according to Fig. 14-1.
  • Page 32 The fastening material is not part of the standard delivery but must be defined and chosen individually depending on the place of installation. The NIVUS field enclosure can be installed permanently once the appropriate place of installa- tion has been chosen. A basic condition is safe, durable and stable installation.
  • Page 33 Due to the changes to the protective film the readability may be strongly impaired. New clear view covers can be purchased from NIVUS at extra costs and can be easily replaced by the user.
  • Page 34 To connect the power supply push-in and screw-type tension clamp terminal blocks are used. To connect the power supply, use a slot screwdriver with a blade width of 3.0...3.5 mm. page 34 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 35 Only DC: 0.2...0.5 0.14...1.5 0.2...2.5 flexible cable [mm²] 0.2...2.5 Wire cross section Only DC: 0.25...0.5 0.25...1.5 0.25...2.5 (flexible) with ferrule 0.25...2.5 blank [mm²] Wire cross section 0.25...2.5 Undefined 0.25...0.5 0.25...2.5 (flexible) with ferrule with plastic sleeve [mm²] NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 35...
  • Page 36 Operate the instrument with the tension clamp terminal block screwed on only. Non-observance may result in personal injuries. Fig. 15-1 Terminal connections NivuFlow Energy Saver page 36 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 37 The DC version can be directly operated from the 24 V direct current network of a control cabinet. Requirements • Input voltage available at the input clamps: At maximum load (20 W) minimum 10 V ƒ • Clamp voltage: At no-load operation maximum 35 V ƒ NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 37...
  • Page 38 Cross-sectional dimension of the power supply wires: Minimum 0.75 mm² ƒ According to IEC227 or IEC245 ƒ NivuFlow 24 V auxiliary voltage 230 VAC Fig. 15-4 AC connections of power supply page 38 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 39 DC units shall be equipped with an appropriate protective earth conductor in order to avoid dangerous voltages or currents. Non-observance may result in personal injuries. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 39...
  • Page 40 16.2 Cable and cable lengths for sensor connection Between sensor and transmitter (direct connection non Ex): For the complete distance between the NIVUS sensors and transmitter type NivuFlow use the specified cable of NIVUS: • LiYC11Y 2x1.5 mm² + 1x2x0.34 mm² + PA The signal cable is not suitable for direct and permanent installation in ground.
  • Page 41 The Ex approval is only valid in connection with the respective indication on the iXT enclo- sure nameplate. The iXT Ex version is matched to the NIVUS sensors regarding the assessment of intrinsi- cally safe electrical systems according to EN 60079-25.
  • Page 42 Via Modbus ƒ By defining a fixed value ƒ 16.4.1 Connecting flow velocity sensors Connectable flow velocity sensors (POA-V200/V2H1/CS2-V100) Fig. 16-3 Connection of flow velocity sensor to NivuFlow Energy Saver page 42 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 43 If the mA signal of the level measurement is provided from an external transmitter (e. g. NivuMaster), the transmitter must be connected according to Fig. 16-6. Fig. 16-6 Connection of an external level measurement NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 43...
  • Page 44 NivuFlow, not to iXT Ex Separation module Zone 0: ƒ connection only to iXT Ex Separation module, not to NivuFlow Fig. 16-7 Special points for connection in Ex zone 1 page 44 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 45 NivuFlow transmitter it is necessary to protect power supply as well as mA-output using overvoltage protection devices. NIVUS recommends surge arrestors types EnerPro 220Tr, EnerPro 24Tr (for 24 V C) for the mains supply, as well type DataPro 2x1 24/24Tr for mA-inputs and mA-outputs.
  • Page 46 Instruction manual NivuFlow Energy Saver Fig. 17-2 Overvoltage protection for power supply DC Fig. 17-3 Sensor overvoltage protection Fig. 17-4 Overvoltage protection external level measurement page 46 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 47 Overvoltage protection iXT to NivuFlow Energy Saver Notes on electrical discharge (grounding) The minimum wire cross section is 1.5 mm² (not for strands). The maximum permissible cable length is 1 m. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 47...
  • Page 48 NivuFlow Energy Saver Operation start-up 18 Notes to users Before connecting and operating the NivuFlow Energy Saver the instructions below shall be followed. This instruction manual contains all information required for the setting of parameters and for the use of the instrument. The manual is intended for qualified personnel. Appropriate...
  • Page 49 2. Press the black part of the rotary pushbutton - you will get to the next parameter level or you can enter parameter settings. 3. Repeat this process until you arrived at the desired menu or parameter. Here you can enter names or numbers in parameters. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 49...
  • Page 50 Certain parameters can be labelled with names or designations. A virtual keypad is indicated in the bottom section of the display if such a parameter has been selected. Selected character Dual function character Shift (upper/lower case) Space Back or delete button Fig. 19-4 Keypad page 50 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 51 If multiple dimensions shall be entered consecutively (e. g. for rectangular profiles), you can get to the next dimension by rotating the rotary pushbutton after your former entry has been confirmed. For the next entry proceed right as described before. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 51...
  • Page 52 Display can be adjusted here - Format of the output fields (text, decimal places ...) can be set - Possible connections for Ex-Separator Module/Multiplexer Connections - Setting of Baud rate page 52 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 53 Error message (if pending) (see Fig. 20-2), information or display for active service mode Page or date/time Output field flow rate Output fields: efficiency, average flow velocity, pump shaft level and total sum NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 53...
  • Page 54 Press the rotary pushbutton - the according section will open a dialogue window. Fig. 20-2 Flow volume section selected Note After having modified the system-specific parameters, you need to confirm that the modifi- cations are saved to activate the modified parameters. page 54 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 55 „23.1 Setting the Measurement Place Parameters (Application Menu)“, „27 Display Parameters Menu“, „25.4 Error messages“ and „Diagnosis“). Fig. 20-3 Flow: Pop-up menu and pages Fig. 20-4 Flow: pages NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 55...
  • Page 56 (Settings, Diagnostics and Display; see chapter „23.3 Setting Parameters in v-Sensors Menu“, „31 Diagnosis v-Sensors“ and „27 Display Parameters Menu“). Fig. 20-6 Velocity: Pop-up menu page 56 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 57 (Settings, Diagnostics and Display; see chapter „23.2 Setting Parameters in h-Sensors Menu (in pump shaft)“, „30 Diagnosis h-Sensors“ and „27 Display Parameters Menu“). Fig. 20-8 Level Shaft: Pop-up menu Fig. 20-9 Level Shaft: pages NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 57...
  • Page 58 The total is calculated mathematically using the current flow volume integrated during a cer- tain period. That is why both values neither can be edited nor can they be used for diagnostic options. Fig. 20-10 Total: Pop-up menu page 58 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 59 (Settings, Diagnostics, Display and Error Mes- sages; see chapter „23.5 Pump / Frequency converter“, „34 Diagnosis Pump“ and „27 Display Parameters Menu“). Fig. 20-11 Pump: Pop-up menu and pages Fig. 20-12 Pump: pages NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 59...
  • Page 60 Important Note Share your password with authorised persons only! If you should write down your password store it in a safe place. Should your password get lost contact the NIVUS Hotline. page 60 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 61 Moreover the required analogue and digital inputs and outputs are defined here: • Functions • Measurement ranges • Measurement spans • Limit values NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 61...
  • Page 62 • Transmission of parameters set from USB stick and back • Options to set and to erase the internal data memory • Setting the storage cycle • Operating hours counter page 62 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 63 Restart (system or measurement) • Parameter reset 22.2.4 Communication Menu Fig. 22-5 Communication Menu This menu comprises the settings for the communication of various communication interfaces with other communication systems: NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 63...
  • Page 64 The >Measurement Place< submenu is one of the most important basic menus when it comes to parameter setting. The following basic settings are required to set the parameters of the measurement place: • Name of measurement place • Type and dimensions of canal profile page 64 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 65 This visible aid permits to verify whether the profile has been created correctly in principle. Fig. 23-2 Selectable channel profiles NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 65...
  • Page 66 Tick >Active<. One more input option opens. Enter here the positive value you wish to suppress in case of lowest discharge. It is not possible to enter negative values here. page 66 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 67 23.1.6 Energy Saver Fig. 23-5 Energy Saver This menu enables to adjust settings regarding the evaluation of energy consumption and the NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 67...
  • Page 68 "0" considering the damping value set. The transmitter does not save any values. Entry is made in steps of 1 second. Default setting: 30 s page 68 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 69 2-wire level sensor on the display as ultrasonic sensor measuring from top down. Example Air-ultrasonic sensor on the top facing downwards; pressure sensor and water-ultrasonic sensor on the channel bottom. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 69...
  • Page 70 Possible 0/4...20 mA-signals from an external transmitter such as NivuMaster or MultiRanger can be activated here too. i-Sensor • Connect ultrasonic i-Series sensors by NIVUS here. Connection is carried out via the HART interface. • NIVUS Air-Ultrasonic Level measurement from top down using an air-ultrasonic sensor type OCL-L1 or DSM-L0.
  • Page 71 A level sensor can be assigned to each one of the programming sections (see Fig. 23-7). The transmitter will assign the sensors to the appropriate programming section automatically. The assignment depends on the channel shape set before. • Air-ultrasonic: top measurement range NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 71...
  • Page 72 The sensor types POA and CS2 vary in terms of sensor height depending on their construc- tion. The differences are detected by the system automatically when connecting the sensors and will be taken into account accordingly. page 72 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 73 If the i-Sensor is connected via a type iXT Ex Separation Module or a Multiplexer MPX it is necessary to enable the use of iXT/MPX in >Main Menu</>Connections< prior to setting the sensor type. Without this activation the connection cannot be selected in the >h-Sensors< menu. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 73...
  • Page 74 (see chapter „23.1.2 Channel Profiles“). 23.3.1 Number of Flow Velocity Sensors It is possible to connect up to three flow velocity sensors to the NivuFlow Energy Saver trans- mitter (two or three via iXT/MPX). Fig. 23-15 Selection menu flow velocity sensors Ü...
  • Page 75 2. Press the rotary-pushbutton - the PLUS on the left turns to MINUS and an input menu opens. Selection flush with the wall (available only with pipe profiles) This selection is used to specify the three interdependent parameters >Mounting Height<, >Distance Centre< and >Mounting Angle<. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 75...
  • Page 76 1. Measure the distance between the bottom edge of the base plate (v-sensor) and the lowest point of the channel bottom. 2. Turn the rotary-pushbutton until >Mounting Height< is active. 3. Enter the measured distance here. Default setting: unit METER. page 76 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 77 Positive values move the sensor to the right When using two v-sensors the sensor positions need to be entered in the >Distance Centre< field. The value relates to the measurement place centre. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 77...
  • Page 78 Default setting: sensor installation direction always >positive< (measuring against the flow direction). Note Do not modify this parameter. Entering >negative< will provide "invalid" flow velocity values. Fig. 23-21 Sensor installation direction altering options page 78 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 79 Note The weighting value depends on the application and the sensor position. Such applications require comprehensive expert knowledge on fluid dynamics and should be conducted by NIVUS commissioning personnel or an authorised expert company. Fig. 23-22 Weighting of v-Sensors 23.3.5 Limiting the Velocity Evaluation The >v-Minimum<...
  • Page 80 Default setting: 115 200 baud. NIVUS recommends to maintain this setting. Only in very rare cases if problems between transmitter and sensor should occur (e. g. if a very long cable is used) it may be helpful to reduce the baud rate.
  • Page 81 23.4.1 Analog Inputs The available analog inputs are shown in the top right corner of the display. The NivuFlow Energy Saver possesses five analog inputs. The analog inputs can be selected successively by pressing the right-hand control key >Tab<. The selection is shown as clear text message in the top left corner of the display.
  • Page 82 23.4.2 Analog Outputs The available analog outputs are shown in the top right corner of the display. The NivuFlow Energy Saver possesses four analog outputs. The analog outputs can be selected successively by pressing the right-hand control key >Tab<. The selection is shown as clear text message in the top left corner of the display.
  • Page 83 If multiple flow velocity sensors are in use and the average flow velocity of the indi- vidual measurement paths is to be determined it is possible to select the desired flow velocity sensor and to issue its readings on the analog output. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 83...
  • Page 84 23.4.3 Digital Inputs The available digital inputs are shown in the top right corner of the display. The NivuFlow Energy Saver possesses seven digital inputs. The digital inputs can be selected successively by pressing the right-hand control key >Tab<. The selection is shown as clear text message in the top left corner of the display.
  • Page 85 If this function is selected it is possible to determine which edge to evaluate: Rising edge (status change "0" to "1") ƒ Falling edge (status change "1" to "0") ƒ NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 85...
  • Page 86 23.4.4 Digital Outputs The available digital outputs are shown in the top right corner of the display. The NivuFlow Energy Saver possesses five digital outputs. The digital outputs can be selected successively by pressing the right-hand control key >Tab<. The selection is shown as clear text message in the top left corner of the display.
  • Page 87 = hysteresis function to avoid output flutter. After selecting this function the logic can be adjusted as follows: Normally closed ƒ Normally open ƒ Fig. 23-36 Programming the limit contact NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 87...
  • Page 88 Digital output 2 is not suitable as error output since it is designed as a bi-stable relay. Once de-energised the relay will retain its latest position and hence cannot be used for error messages. page 88 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 89 Pumps 1...4 are indicated top left, the selected pump is highlighted in blue in the top right area. Use Tab to toggle between single pumps. Per default all pumps are deactivated. Ticking the "Active" checkbox will activate the pumps NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 89...
  • Page 90 Deviation [%] from optimum frequency causing the display colour to change from green to yellow Optimum power Optimum efficiency Optimum flow • Efficiency red Deviation [%] from optimum frequency causing the display colour to change from yellow to red page 90 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 91 (historic) measurement data. Date / time selection Graph range Scaling max. range Graph area with help lines Date / timeline Zero point scaling Browse Fig. 24-2 Trend graph screen NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 91...
  • Page 92 15 minutes. Underneath the display you can find the function >Browse<. Use the arrow symbols to browse one hour forwards or backwards each time you press the page 92 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 93 Use the arrow symbols to browse four weeks forwards or backwards each time you press the button. Note Once the period >4 Weeks< is selected it may take a few seconds to load the data com- pletely. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 93...
  • Page 94 Total day 1: total covering 20 hours Day 2: power failure – total 0 Total day 3: total covering 21 hours Total day 4: total covering 24 hours Power failure page 94 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 95 Transmission of measurement data to USB stick • Instrument parameters can be saved to USB stick • Saved parameter can be restored from USB stick back to the instrument • Formatting the USB stick NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 95...
  • Page 96 8. Specify the desired stop time as described before. Now the period of data to be transmitted to USB stick is specified. Fig. 24-6 Transmission period/data depth/compression 9. To choose the desired data format turn the rotary-pushbutton which opens a selec- tion menu. page 96 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 97 All data sets from the previous data depth >Standard< ƒ Average flow velocities from v-sensors 1, 2 and 3 (if used) ƒ Parameter values for the NIVUS-specific velocity evaluation method >COSP< ƒ Trigger and hydraulic qualities of v-sensors 1, 2 and 3 (if used) ƒ...
  • Page 98 This file contains the complete parameter set of the transmitter and is used to save the parameter settings. Explanation of file names: XXXX Name of measurement place as set Year Month Hour Minute page 98 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 99 Always the mean value covering the entire cycle is saved instead of the instantaneous value at the moment of storage. You can erase the complete internal data memory. The memory is password-protected to avoid unintentional deletion. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 99...
  • Page 100 The value "0" is saved as soon as the transmitter has been turned off for longer than 24 hours. The >Total operating hours< and >Current< values can be selected and specified using the keypad (e. g. if the transmitter had to be replaced). page 100 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 101 The following settings can be adjusted in this menu: • (Operation) Language • Date format • Units of measurement values Here it is possible to distinguish between indicated and saved measurement values. Fig. 25-2 Language settings/language/date format NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 101...
  • Page 102 In metric system - e. g. liter, cubic metre, cm/s etc. • In English system – e. g. ft, in, gal/s, etc. • In American system - e. g. fps, mgd, etc. page 102 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 103 In American system - e. g. gps, gpm, cfs, cfm, cfh, cfd, mgd etc. Units for storage of measurement data • Flow • Flow velocity • Level • Total • Temperature NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 103...
  • Page 104 Here the current system time as well as the time zone (UTC or GMT) relative to the zero meridian can be adjusted. Furthermore the time server (SNTP) can be activated here. Fig. 25-6 Settings page 104 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 105 Fig. 25-8 Service Service Level The service level is reserved to the NIVUS customer service as well as authorised expert companies and hence is protected by a special service password. System-relevant modifications and special settings for particular applications can be adjusted here.
  • Page 106 For your own safety we recommend to share your password only with authorised individuals. Write down your password and store it in a safe place. If you should have lost your password consult the NIVUS hotline. Observe to have the serial number of your NivuFlow transmitter available.
  • Page 107 NIVUS commissioning personnel. Fig. 26-1 Communication TCP/IP Settings for data transport within a decentralised network. Webserver Settings for SSL, HTTP and FTP and activation of NF Remote and Telnet. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 107...
  • Page 108 The transmitter can currently not be used as HART slave for following systems (in prepara- tion). Modbus It is possible to integrate the transmitter into other systems via Modbus. The Modbus protocols available upon request if required. Contact the NIVUS GmbH headquar- ters in Eppingen. Fig. 26-3 Modbus The functions below are available here: •...
  • Page 109 Adjust the backlight to the ambient conditions. Avoid setting the display too bright. In order to extend the display life NIVUS recommend to enable the automatic display dimming option here (dim light). The display will dim automatically if it has not been used for a certain time.
  • Page 110 Note During setting the decimal digits observe the measurement accuracies of the sensors and the measurement units set. The temperature sensor e. g. has a maximum resolution of 0.1 K. page 110 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 111 If an iXT/MPX is used tick this option in the selection field since otherwise sensor and module will not be recognised. The baud rate can be adjusted here too. Default setting: 115 200 baud. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 111...
  • Page 112 Always follow the safety information on simulation on page 119. 30 Diagnosis h-Sensors Fig. 30-1 Diagnosis menu h-Sensors This menu has a relation to the menu >Applications</>h-Sensors<. Depending on the type and page 112 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 113 Use the right function key (Tab) to toggle between the individual sensors. The individual measured velocities and the according levels can be indicated as table: Ü Â Turn the rotary-pushbutton until the >Gates< field is highlighted blue. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 113...
  • Page 114 See also chapter „23.4 Inputs and Outputs (analog and digital)“. 32.1 Analog Inputs This menu is to indicate the voltage values and measurement values (assigned by using the measurement span) available on the analog inputs of the transmitter. page 114 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 115 This screen shows only the signals received by the analog converter to be issued. The real flowing currents are not issued. External faulty wiring cannot be indicated in this menu. This menu provides a simulation of the individual analog outputs. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 115...
  • Page 116 It is absolutely necessary to have a safety person available! Disregarding may lead to personal injury or damage your facility. NIVUS herewith in advance refuse any responsibility for any possible damage to persons or objects at any extent due to the extremely high risk of danger and unforeseeable conse-...
  • Page 117 Active digital outputs are ticked. Fig. 32-6 Screen digital outputs A simulation of digital outputs is available in this menu too. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 117...
  • Page 118 It is absolutely necessary to have a safety person available! Disregarding may lead to personal injury or damage your facility. NIVUS herewith in advance refuse any responsibility for any possible damage to persons or objects at any extent due to the extremely high risk of danger and unforeseeable conse-...
  • Page 119 It is absolutely necessary to have a safety person available! Disregarding may lead to personal injury or damage your facility. NIVUS herewith in advance refuse any responsibility for any possible damage to persons or objects at any extent due to the extremely high risk of danger and unforeseeable conse- quences in the event of incorrect or faulty simulation.
  • Page 120 Issued signals and values are indicated on the display (see Fig. 33-2 no. 4 and 5). Level input field Velocity input field Calculated flow Status digital output Status analog output Fig. 33-2 Screen calculated values and issued states page 120 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 121 Power, Frequency, Revolutions, Efficiency, Efficiency (rel.), Consumption and Run- time • The graphic representation corresponds to the main screen and covers the previous 24 hours. Use Tab to browse through the pumps. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 121...
  • Page 122 The Type NivuFlow transmitters are conceived to be virtually free of calibration, maintenance and wear (requirements of the Industrial Safety Regulations are unaffected). NIVUS recommends to have the entire measurement system inspected by the NIVUS cus- tomer service once per year.
  • Page 123 This symbol indicates that the Directive 2012/19/EU on waste electrical and electronic equipment requirements shall be observed on the disposal of the equipment. The unit contains a buffer battery (Lithium coin cell), which must be disposed separately. NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 123...
  • Page 124 BSL0xx Overvoltage protection for measurement transmitters and sensors You can find more accessories in the valid NIVUS price list. page 124 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 125 Heavy shocks ..........25 Data format Hotline ............48 USB stick ..........96 Humidity ..........23, 25 Data memory ..........23 Date/Time Selection ........92 Delivery ............. 24 Device identification ........21 NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 125...
  • Page 126 Period of transmission Digital outputs ........87 USB stick ..........96 Sunlight ............. 31 Pollution degree ........22 System time ..........104 Power consumption max............22 typ............22 page 126 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 127 Low-flow volumes ......... 67 Warning notices on the product ........15 Water temperature Analog outputs ........83 Webserver Communication ........107 Wire colour code ........... 11 Wire cross section ........35 NivuFlow Energy Saver - rev. 00 / 12.01.2018 page 127...
  • Page 128 Libpng (http://www.libpng.org) • Zlib (http://www.zlib.net) • Mini-XML (http://www.msweet.org) • Nano-X/nxlib (http://www.microwindows.org) • FLTK (http://www.fltk.org) • Appendix1: LGPL • Appendix2: MPL Note If you have any questions concerning licenses refer to opensource@nivus.com page 128 NivuFlow Energy Saver - rev. 00 / 12.01.2018...
  • Page 129 EU Konformitätserklärung NIVUS GmbH Im Täle 2 75031 Eppingen EU Declaration of Conformity Telefon: +49 07262 9191-0 Déclaration de conformité UE Telefax: +49 07262 9191-999 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 mit internem 2G/3G/4G Modem zur...
  • Page 130 UK Declaration of Conformity NIVUS GmbH Im Täle 2 75031 Eppingen Telefon: +49 07262 9191-0 Telefax: +49 07262 9191-999 E-Mail: info@nivus.com Internet: www.nivus.de For the following product: Description: Permanent flow measurement transmitter with internal modem 2G/3G/4G for remote data transmission NivuFlow 7xx / Energy Saver Type: NF7-…...
  • Page 131 EU Konformitätserklärung NIVUS GmbH Im Täle 2 EU Declaration of Conformity 75031 Eppingen Telefon: +49 07262 9191-0 Déclaration de conformité UE Telefax: +49 07262 9191-999 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 NivuFlow 7xx / Energy Saver...
  • Page 132 UK Declaration of Conformity NIVUS GmbH Im Täle 2 75031 Eppingen Telefon: +49 07262 9191-0 Telefax: +49 07262 9191-999 E-Mail: info@nivus.com Internet: www.nivus.de For the following product: Description: Permanent flow measurement transmitter NivuFlow 7xx / Energy Saver Type: NF7-… / NR7-…...