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Fluidcontrol
Level- and temperature sensor
Nivotemp NT 67-XP, Nivovent NV 77-XP
Installation and Operation Instructions
Original instructions
BE100016
Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen
02/2018
Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20
E-Mail: fluidcontrol@buehler-technologies.com
Internet: www.buehler-technologies.com
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Table of Contents
Related Manuals for Bühler technologies Nivovent NV 77-XP
Summary of Contents for Bühler technologies Nivovent NV 77-XP
- Page 1 Fluidcontrol Level- and temperature sensor Nivotemp NT 67-XP, Nivovent NV 77-XP Installation and Operation Instructions Original instructions BE100016 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen 02/2018 Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 E-Mail: fluidcontrol@buehler-technologies.com...
- Page 2 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 Internet: www.buehler-technologies.com E-Mail: fluidcontrol@buehler-technologies.com Read this instruction carefully prior to installation and/or use. Pay at- tention particularly to all advises and safety instructions to prevent in- juries.
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Page 3: Table Of Contents
Nivotemp NT 67-XP, Nivovent NV 77-XP Contents Introduction............................................. 3 Intended Use......................................... 3 Functionality......................................... 3 1.2.1 Liquid level monitoring .................................. 3 1.2.2 Temperature monitor .................................. 3 Design types.......................................... 3 Model key NT67-XP ...................................... 4 Model key NV77-XP ...................................... 4 Scope of Delivery........................................ 5 Safety instructions......................................... 6 Important advice ......................................... 6... - Page 4 Nivotemp NT 67-XP, Nivovent NV 77-XP Replacing the filter element................................... 28 Adding small amounts of oil.................................. 28 Service and repair......................................... 29 Troubleshooting ........................................ 29 Spare parts and accessories ................................... 30 8 Disposal ............................................ 31 9 Appendices............................................. 32 Technical Data NT 67-XP.................................... 32 Technical Data NV 77-XP.................................... 34 Dimensions NT 67-XP ....................................... 36...
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Page 5: Introduction
Nivotemp NT 67-XP, Nivovent NV 77-XP 1 Introduction 1.1 Intended Use Level switches are used to monitor the liquid level and temperature in fluid systems. Level switches must not be used in highly flammable or corrosive liquids. The medium must not contain particles, particularly metallic particles, to prevent deposits on the float or between the float and switching tube. -
Page 6: Model Key Nt67-Xp
Nivotemp NT 67-XP, Nivovent NV 77-XP 1.4 Model key NT67-XP NT67-XP- Type designation with display, control Option unit Stilling tube Version Output card Brass 1D1S Float and immersion tube VA Plug connection 2M12 - 4-pin M12 - 4-pin 2S-KN-KT M12 - 8-pin... -
Page 7: Scope Of Delivery
Nivotemp NT 67-XP, Nivovent NV 77-XP 1.6 Scope of Delivery – Level switch – Product documentation – Connection/mounting accessories (optional) BE100016 ◦ 02/2018 Bühler Technologies GmbH... -
Page 8: Safety Instructions
Nivotemp NT 67-XP, Nivovent NV 77-XP 2 Safety instructions 2.1 Important advice Operation of the device is only valid if: – the product is used under the conditions described in the installation- and operation instruction, the intended application according to the type plate and the intended use. In case of unauthorized modifications done by the user Bühler Technolo- gies GmbH can not be held responsible for any damage, –... -
Page 9: General Hazard Warnings
Nivotemp NT 67-XP, Nivovent NV 77-XP 2.2 General hazard warnings The equipment must be installed by a professional familiar with the safety requirements and risks. Be sure to observe the safety regulations and generally applicable rules of technology relevant for the installation site. Prevent malfunctions and avoid personal injuries and property damage. -
Page 10: Transport And Storage
Nivotemp NT 67-XP, Nivovent NV 77-XP 3 Transport and storage Only transport the product inside the original packaging or a suitable alternative. The equipment must be protected from moisture and heat when not in use. It must be stored in a covered, dry, dust-free room at room temperature. -
Page 11: Setup And Connection
Nivotemp NT 67-XP, Nivovent NV 77-XP 4 Setup and connection DANGER Electric voltage Risk of electric shock a) Always disconnect the unit from the mains before performing work. b) Secure the equipment from accidental restarting. c) The equipment may only be installed, maintained and put into operation by instruc- ted, competent personnel. -
Page 12: Operation And Control
Nivotemp NT 67-XP, Nivovent NV 77-XP 5 Operation and control NOTICE The device must not be operated beyond its specifications. 5.1 Start-up procedure The device will automatically switch on when connected to power. It will first briefly display the software version, at which time the device will also check the built-in components. -
Page 13: General Key Functions
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.3 General key functions The keys below the display are used for operation. The menu controls are detailed in the following chapters. Mode Function – Measurement display: Change measured variables displayed. – In the menu: Move down one menu level. -
Page 14: Menu Overview
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.5 Menu overview The menu structure is based on the VDMA standard sheet 24574-1. The menu structure is hierarchic. The top menu level contains the main menu items, e.g. oil, tEMP, F, diA, E. Each main menu contains additional submenu items. -
Page 15: Changing Basic Settings
Nivotemp NT 67-XP, Nivovent NV 77-XP The basic device settings can be changed. General settings can be configured under Basic Settings Advanced Functions (b. E These settings should be configured first, as they affect the displays and settings for the individual menus. These settings are e.g. -
Page 16: Set Temperature Unit
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.6.3 Set temperature unit This is where the unit symbol for the temperature is configured: t. u ni Selection menu Basic EF b. E F Set Unit Temp Basic Adv. Functions Temperature unit ; C - ; F... -
Page 17: Set Display Refresh Rate
Nivotemp NT 67-XP, Nivovent NV 77-XP NOTICE Reallocate switching outputs When reallocating the switching outputs always check all the related settings! The previ- ous values will not automatically be adjusted! It does not affect allocation of the status display LEDs. -
Page 18: Liquid Level Scaling
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.6.8 Liquid level scaling The display range is scaled between the highest and lowest float position. This scaling will also affect the display accuracy and the resolution for determining the switching outputs for the liquid level. -
Page 19: Sensor Measuring Range Lower Limit Assignment
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.6.10 Sensor measuring range lower limit assignment This determines the display value (lower limit of the measuring range) for the minimum liquid level: Selection menu Set Lower o. L o ____ Basic EF b. E F Basic Adv. - Page 20 Nivotemp NT 67-XP, Nivovent NV 77-XP Version with 2 switching outputs: Switching outputs Basic Settings 5% / 2% o. u ni t. u ni °C 55°C o. H i o. L o r. o u1 r. o u2 tEMP FASt...
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Page 21: Switching Outputs
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.7 Switching outputs All switching outputs are configured the same way. The switching output number is therefore represented by x. Open the switching output to be configured from the menu for the respective measured variable. -
Page 22: Switching Output X: Upper Switching Limit (Switching Point)
Nivotemp NT 67-XP, Nivovent NV 77-XP Example: F ILo = 15 °C, F IHi = 80 °C Frequency output If the output is defined as a frequency output, a with temperature T and frequency f: square wave signal with a frequency between 1 Hz and 100 Hz proportional to the measurement will be... -
Page 23: Switching Output X: Lower Switching Limit (Switch-Back Point)
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.7.3 Switching output x: Lower switching limit (switch-back point) The lower switching limit for switching output Out x can be defined with the following submenu: ____ Out X out_ ____ Selection menu ____ Measured variable rPI FLI F I. -
Page 24: Switching Output X: Testing The Switching Output
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.7.6 Switching output x: Testing the switching output The switching output test can be started with the following menu: ____ Out X Check Out X Measured variable out_ EF X C. o u_ Selection menu... -
Page 25: Analogue Outputs
Nivotemp NT 67-XP, Nivovent NV 77-XP Factory setting Status function State Status LED 3 inverted Temperature rises to > 70 °C PNP switching output 3 closed LED3 ON LED3 OFF Temperature rises to > 80 °C Error PNP switching output 4 closed... -
Page 26: Analogue Output X: Lower Limit Assignment
Nivotemp NT 67-XP, Nivovent NV 77-XP Temperature Used to configure at which temperature to output the maximum analogue signal. This is configured in menu: ____ Measured variable Analog OutX Analog MaxX A I. H i Selection menu ____ Settings menu Analog X [ o. -
Page 27: Analogue Output X: Testing The Analogue Output
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.8.4 Analogue output x: Testing the analogue output The analogue output can be tested. The highest, mean and lowest analogue value can be output successively. This is configured in menu: ____ Analog OutX Check AnX C. -
Page 28: Maximum And Minimum Liquid Level
Nivotemp NT 67-XP, Nivovent NV 77-XP The information displayed will alternate between the index and time for entry x, e.g. Jor1 ⇔ 1. 4 h for the most recent event 1.4 hours ago. Press the key to return to the submenu or use to select the next journal entry. -
Page 29: Define Switching Output To Log
Nivotemp NT 67-XP, Nivovent NV 77-XP 5.9.4 Define switching output to log Used to select the switching output to be logged. Only one switching output can be logged. Diagnostic SJ. o u Selection menu out_ Set Journal Out Out I - Out_... -
Page 30: Cleaning And Maintenance
Nivotemp NT 67-XP, Nivovent NV 77-XP 6 Cleaning and Maintenance This device is maintenance-free. The method for cleaning the devices must be adapted to the IP protection class of the devices. Do not use cleaners which could damage the device materials. -
Page 31: Service And Repair
Nivotemp NT 67-XP, Nivovent NV 77-XP 7 Service and repair This chapter contains information on troubleshooting and correction should an error occur during operation. Repairs to the unit must be performed by Bühler authorised personnel. Please contact our Service Department with any questions: Tel.: +49-(0)2102-498955 or your agent... -
Page 32: Spare Parts And Accessories
Nivotemp NT 67-XP, Nivovent NV 77-XP Possible errors Problem / Malfunction Possible cause Action Switching output not trigger- – Switching output configured incorrectly – In submenu Coux: “Test Switching Output“ to ing when exceeding limits ensure normal mode – Switching output defect –... -
Page 33: Disposal
Nivotemp NT 67-XP, Nivovent NV 77-XP 8 Disposal Dispose of parts so as not to endanger the health or environment. Follow the laws in the country of use for disposing of elec- tronic components and devices during disposal. BE100016 ◦ 02/2018... -
Page 34: Appendices
Nivotemp NT 67-XP, Nivovent NV 77-XP 9 Appendices 9.1 Technical Data NT 67-XP Basic unit Version Operating pressure max. 1 bar max. 1 bar Operating temperature -20 °C to +80 °C -20 °C to +80 °C Float SK 604 SK 221 Min. - Page 35 Nivotemp NT 67-XP, Nivovent NV 77-XP Optional switching outputs 1D1S Plug (base) 1 x M12 – 4-pin 2 x M12 – 4-pin 1 x M12 – 8-pin Switching outputs IO-Link and 1 x freely program- 4 x freely programmable with...
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Page 36: Technical Data Nv 77-Xp
Nivotemp NT 67-XP, Nivovent NV 77-XP 9.2 Technical Data NV 77-XP Basic unit Version Operating pressure max. 1 bar max. 1 bar Operating temperature -20 °C to +80 °C -20 °C to +80 °C Float SK 604 SK 221 Min. fluid density 0.80 kg/dm³... - Page 37 Nivotemp NT 67-XP, Nivovent NV 77-XP Optional switching outputs 1D1S Plug (base) 1 x M12 – 4-pin 2 x M12 – 4-pin 1 x M12 – 8-pin Switching outputs IO-Link and 1 x freely program- 4 x freely programmable with...
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Page 38: Dimensions Nt 67-Xp
Nivotemp NT 67-XP, Nivovent NV 77-XP 9.3 Dimensions NT 67-XP Basic version Flange drawing Ø60* Rubberised cork seal *min. Ø61 for VA version with stilling tube Top view Analogue max. Ø50 (MS) Ø60.3 (VA) Housing swivels 270° Analogue min. Ø44... -
Page 39: Dimensions Nv 77-Xp
Nivotemp NT 67-XP, Nivovent NV 77-XP 9.4 Dimensions NV 77-XP Basic version With options Contamination indicator Display and seal control unit seal seal Filling adapter Rubberised cork seal Analogue max. Ø90 Analogue max. GI cork seal Stilling tube with centring disc and filling adapter Analogue min. -
Page 40: Standard Pin Assignment Nt 67-Xp
Nivotemp NT 67-XP, Nivovent NV 77-XP 9.5 Standard pin assignment NT 67-XP Plug connections Version 1D1S 2S-KN-KT 4S-KN-KT 6S-KN-KT Plug 2xM12 2xM12 2xM12 4-pin 4-pin 8-pin 4-pin 8-pin 4-pin/8-pin Plug A Plug B Plug A Plug B Plug A Plug B... - Page 41 Nivotemp NT 67-XP, Nivovent NV 77-XP Version 1D1S 2S-KN-KT 4S-KN-KT 6S-KN-KT Plug M12 4-pin 2x M12 4-pin M12 8-pin 2xM12 4-pin M12 8-pin 2x M12 4-pin/8-pin Connec- Plug A Plug B Plug A Plug B Plug A Plug B tion...
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Page 42: Current Settings
Nivotemp NT 67-XP, Nivovent NV 77-XP 9.7 Current settings Switching outputs Basic Settings Diagnostics o. u ni SJ. o u t. u ni do. M M o. H i dt. M M o. L o r. o u1 r. o u2 r. -
Page 43: Display Resolution
Nivotemp NT 67-XP, Nivovent NV 77-XP 9.9 Display resolution Range x = |Max - Min| °C, °F, percent, cm, inch, litre, gallon, none (non1) (up to 1 decimal place) (1 fixed-point number) cm, inch, litre, gallon Range x Resolution Range x Resolution x <... -
Page 44: Menu Sequence Overview
Nivotemp NT 67-XP, Nivovent NV 77- 9.10 Menu Sequence Overview Main menu Submenu 1 Submenu 2 Submenu 3 Settings and Display Menu Configuration t___ Shortcut Equipment configuration or 60s no action: Exit main/submenu ____ ____ Display ____ Switch ____ Switches the measurement display level/temperature Switch view Measurement display Level... -
Page 45: Attached Documents
Nivotemp NT 67-XP, Nivovent NV 77-XP 10 Attached documents – Declaration of conformity: KX100020 – RMA - Decontamination Statement BE100016 ◦ 02/2018 Bühler Technologies GmbH... - Page 47 RMA - Dekontaminierungserklärung RMA - Decontamination Statement DE/EN Gültig ab / valid since: 2014/11/01 Revision / Revision 1 ersetzt Rev. / replaces Rev. 0 Um eine schnelle und reibungslose Bearbeitung Ihres Anlie- Please complete this return form to ensure your claim is gens zu erreichen, füllen Sie bitte diesen Rücksendeschein processed quickly and efficiently.
- Page 48 RMA - Dekontaminierungserklärung RMA - Decontamination Statement DE/EN Gültig ab / valid since: 2014/11/01 Revision / Revision 1 ersetzt Rev. / replaces Rev. 0 Bitte füllen Sie diese Dekontaminierungserklärung für jedes Please complete this decontamination statement for each einzelne Gerät aus. individual item Gerät / Device RMA-Nr /...