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Nivobob
Table of contents
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Subject to technical change.
All dimensions in mm (inches).
NB 4000
Continuous level measuring system
®
NB 4000
Technical information / Instruction manual
We assume no liability for typing errors.
Different variations to those specified are
possible.
Please contact our technical consultants.
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Summary of Contents for UWT Nivobob NB 4000
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Page 1: Table Of Contents
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Table of contents Page Safety notes / Technical support ------------------------------------------------------------------------------------------------------ Introduction ------------------------------------------------------------------------------------------------------ Dimensions and materials ------------------------------------------------------------------------------------------------------ Options / Accessories ------------------------------------------------------------------------------------------------------ Technical data ------------------------------------------------------------------------------------------------------ Mounting ------------------------------------------------------------------------------------------------------ Mounting with aiming flange ------------------------------------------------------------------------------------------------------ Electrical installation ------------------------------------------------------------------------------------------------------... -
Page 2: Safety Notes / Technical Support
CAUTION: refer to related documents (manual) for details. Earth (ground) Terminal Protective Conductor Terminal Technical support Please contact your local supplier (see www.uwt.de for address). Otherwise you can contact: UWT GmbH Tel. 0049 (0)831 57123-0 Westendstr. 5 Fax. 0049 (0)831 76879 87488 Betzigau info@uwt.de... -
Page 3: Introduction
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Introduction Function The Nivobob NB 4000 is an electromechanic level measuring ® instrument for continuous measuring of level or volumes in silos, hoppers or tanks. The Nivobob NB 4000 is mounted on the top of the silo. - Page 4 Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Dimensions and materials Process connection: Flange Process connection: Aiming flange To be screwed directly to the silo roof 0°-50° adjustable Including screws, nuts and sealing Process connection: Thread Rope / tape Silo roof...
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Page 5: Dimensions And Materials
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Dimensions and materials Sensor weights Rope version Stainless steel Folding cover Material: 1.4305 (304) 380x380mm (15x15") Material: 1.4310 (301)/ PA canvas For material densitiy >20g/l (1.2lb/ft Fits through 1 1/2" mounting hole All sensor weights: 1,6 kg (3.5 lbs) Tape version... -
Page 6: Options / Accessories
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Options and Accessories Options Pin for sensor weight Recommended for powder The pin penetrates into the material and avoids slipping or tilting of the sensor weight on the steep bulk surface. -
Page 7: Technical Data
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Technical data Electrical data Power supply AC version 230V or 115V 50-60Hz +10% / -15% (incl. 10% of EN 61010) DC version 20 .. 28V (incl. 10% of EN 61010) Installed load AC version: 150 VA (including internal heater (80W)) - Page 8 Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Technical data Colour Housing RAL 5010 (gentian blue) RAL 9006 (aluminium silver) Material See detail specifications on page G4/G5 Measuring range Max. 15m (50ft) or max. 30m (100ft) Measuring speed Sensor weight speed in average: ca.
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Page 9: Mounting
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Mounting General Safety Instructions Process pressure Improper installation may result in loss of process pressure. Chemical resistance Materials of construction are chosen based on their chemical compatibility (or inertness) for general against the medium purposes. -
Page 10: Mounting With Aiming Flange
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Mounting with aiming flange Mounting with aiming The aiming flange allows to mount the unit directly on the flange roof of a silo without the need of a socket. When working on a silo roof, take precautions according to the valid safety regulations to avoid, that persons can fall down. -
Page 11: Electrical Installation
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Electrical installation General Safety Instructions Handling In case of improper handling or handling malpractice, the electric safety of the device cannot be guaranteed. Installation regulations The local regulations or VDE 0100 (Regulations of German Electrotechnical Engineers) must be observed. - Page 12 Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Electrical installation Terminal location Display Internal terminals for motor and heater Terminals for: • Power supply • 4-20mA output Protective • Relay output conductor terminal • Start input All terminals 0.14 ..
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Page 13: Signal Overview
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Signal overview Signal output: 0/4-20mA active, isolated max. 500 Ohms Signal output: Relais Relay1 Relay2 (optional) Fuse: max. 2A max. 250V AC, 2A, 500VA, non inductive Signal input / output Signal input: •... - Page 14 Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Signal overview Relay 1 Relay 2 Upper stop Failure position Present Not present Relais set to Counting/Reset pulse: The counting pulse output is used to connect an external digital counter or a PLC with counting input.
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Page 15: Programming
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Programming Quickset menu The Quickset menu is used for fast and easy start-up of the system. If the unit is working in normal operation (measurement mode), the SETUP button brings up the Quickset menu. *Deutsch English Measurement mode... - Page 16 Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Programming Programming buttons Continues with next adjustment item Continues with measurement display after parameter adjustment Starts measurement Cancels a Failure message (when pressed 2 sec together with SETUP button) Increases the value to be adjusted Decreases the value to be adjusted Runtime messages...
- Page 17 Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Programming Advanced menu (use only if necessary) With the advanced menue it is possible to set the outputs and to display the actual state of the unit. Entering the advanced menue: If the unit is working in normal operation (measurement mode), press both "arrow"...
- Page 18 Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Programming continuation i: Cycles reset j: Run time k: Run time reset l: Inverted "Air distance" m: Motor value Value Press to return to * Factory provided measurement mode Firmware version States the firmware version of the unit.
- Page 19 Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Programming Timer Automatic start of measurement with timer function. The timing interval between two measurements can be adjusted between 0.1h (6 minutes) and 99.9 hours. Position „off“ causes no automatic measurement start. The timer will be reset after finishing a measurement or after connecting the terminals 24 and 26 (measurement interruption).
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Page 20: Rope / Tape / Motor Lifetime
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Rope / Tape / Motor lifetime Rope/Tape lifetime The expected life time (measurement cycles) for the rope/tape is: Rope version: approx. 200.000 Tape version: approx. 500.000 Tape Note: These values refer to lifetime tests under the following conditions: No excessive material influence. -
Page 21: Diagnostics
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Diagnostics Failure: Result is an invalid measurement. Red LED is on. Relay 2 indicates Failure (if selected). The signal indicates critical situations. Evaluating the signal can help to avoid loosing the sensor weight inside the silo. If Failure is indicated, the unit must be checked on site. -
Page 22: Notes For Use In Hazardous Locations
Nivobob Continuous level measuring system ® NB 4000 Technical information / Instruction manual Notes for use in Hazardous Locations ATEX Zone classification Category useable in zone * in case of conductive dust, additional 20, 21, 22 requirements for installation are 21, 22 necessary.
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