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Nivobob

NB 3000

gi130109

Continuous level measuring system

NB 3000

Technical information / Instruction manual

page G

Notes for use in Hazardous Locations

ATEX Zone classification

* in case of conductive dust,
additional requirements for

installation are necessary.

Silo wall

inside silo

outside
silo

Zone 22
(Category 3)

Zone 21
(Category 2)

Zone 20
(Category 1)

General notes

Marking

Devices with Ex-approval are marked on the type plate.

Process pressure for ATEX

The device construction allows process over-pressure up to 0.3bar (4.4psi) (option 1.7bar (25psi)).
These pressures are allowed for test purposes. The definition of the ATEX is only valid for a silo-over-

pressure between -0.2..+0.1 bar (-2.9..+1.45psi).

Outside of these pressures the approval is not valid.

Process and ambient

temperature

The permitted temperature ranges are marked on the type plate.

Category

useable in zone

1 D

20, 21, 22

2 D

21, 22

3 D*

Permitted zones (categories) for mounting in partition wall

Содержание Nivobob NB 3000

Страница 1: ...llation NB 3000 Nivobob G16 NB 9000 Remote Box G20 Signal overview G22 Programming NB 3000 Nivobob Quickset menu G24 Output adjustment menu G26 Diagnostics menu G29 Communication menu G31 Modbus register G32 Programming NB 9000 Remote Box G34 Commissioning Interface measurement G36 Diagnostics Maintenance G37 Failure G39 Notes for use in Hazardous Locations G40 Subject to technical change We assum...

Страница 2: ... and or considerable material damage WARNING Relates to a caution symbol on the product and means that a failure to observe the necessary precautions can result in death serious injury and or considerable material damage This symbol is used when there is no corresponding caution symbol on the product A failure to observe the necessary precautions can result in considerable material damage CAUTION ...

Страница 3: ...ronic Micro processor controlled measurement Remote Box for external programming display of level and diagnose start of measurement of up to 10 Nivobob units Comprehensive Diagnose possibilities Output 0 4 20mA Modbus Profibus DP counting pulses Programmable relais can be used as level limit switch outputs Measurement start with external signal or integrated timer Function The Nivobob NB 3000 is m...

Страница 4: ...hread 1 4301 304 Socket pipe Flange version 80 C 150 C Aluminium All other versions 1 4301 304 Rope 1 4301 304 Tape 1 4310 301 X Length to bottom of sensor weight in upper stop position see next page A Lenght of socket pipe 200mm 7 9 Optional 500mm 19 7 1000mm 39 4 C Housing extension Flange version 80 C 150 C 95mm 3 74 250 C 340mm 13 4 Thread version 80 C 150 C 160mm 6 3 250 C 340mm 13 4 Rope tap...

Страница 5: ... Pin 130mm 5 1 Ø95 3 7 X 71mm 2 80 Material 1 4305 304 Ø81mm 3 2 X 137mm 5 4 Pin 130mm 5 1 Material PVC pin POM X X X X X X X X 380x380mm 15x15 X 150mm 5 9 Material 1 4310 301 PA canvas Ø600mm 23 6 X 160mm 6 3 Material 1 4301 304 1 4310 301 Ø190mm 7 5 X 175mm 6 9 Material Float PP Cone 1 4305 304 Ø95mm 3 7 X 460mm 18 1 Material PA canvas SS chain alu cone Options and Accessories Pos 28 Compressed ...

Страница 6: ...305 304 Ø95 3 7 X 236mm 9 3 Material 1 4305 304 Ø81mm 3 2 X 465mm 18 3 Pin 130mm 5 1 Material PVC pin POM X X X X X X 380x380mm 15x15 X 430mm 16 9 Material 1 4310 301 PA canvas Ø600mm 23 6 X 345mm 13 6 Material 1 4301 304 1 4310 301 Ø190mm 7 5 X 285mm 11 2 Material Float PP Ø95mm 3 7 X 575mm 22 6 Material PA canvas SS chain alu fixing Aluminium 1 4305 304 Ø81mm 3 2 X 82mm 3 2 Material PVC with pla...

Страница 7: ...el measuring system NB 3000 Technical information Instruction manual page G Dimensions Depth 90mm 35 4 NB 9000 Wall mounting NB 9000 Panel mounting AC DC converter Mounting holes Biasing network Terminal plug NB 9000 Remote Box Mounting DIN rail 35 Mounting DIN rail 35 ...

Страница 8: ...ay SPST max 250V AC 2A 500VA non inductive Signal output Electronic counting pulse Optocoupler max 30V DC max 25mA Communication Modbus RTU Physical layer RS 485 and Ground isolated Mode RTU Type Slave Device number range 1 247 selectable in menu Baudrate 1200 to 57600 Baud Data bits 8 Stop Bits 1 Parity None Multi drop configuration possible Factory setting of adress is 100 Each unit which is con...

Страница 9: ...ith flange ca 11kg 24 2lbs with thread ca 12kg 26 4lbs Tape version with flange ca 12kg 26 4lbs with thread ca 13kg 28 6lbs Deviation of vertical mounting max 2 Compressed air connector Option Quick coupling incl opposite part for hose diameter 9mm 0 35 female at housing Max operating pressure 0 2bar 2 9psi Memory Non volatile no backup battery required 10 years data retention Connection terminals...

Страница 10: ...n next page Minimum time between measuring starts measuring height 5m 16ft 3min measuring height 10m 33ft 6min measuring height 20m 66ft 12min measuring height 30m 98ft 18min measuring height 40m 131ft 24min Rope tape operating time see page G38 Max permitted tractive force Tape version with brushless motor ca 3000N standard motor ca 800N Rope version with brushless motor ca 1000N standard motor c...

Страница 11: ...enetrates into the material and avoids slipping or tilting of the sensor weight on the steep bulk surface Claw 200 12 coarse e g stones steep 250 C 482 F Avoids slipping or tilting on the steep bulk surface Folding cover 20 1 2 light powder flat steep 80 C 176 F Big surface prevents the sensor weight from sinking into the material Spider 40 1 4 light powder flat steep 250 C 482 F Big surface preve...

Страница 12: ...e 0 50 C 32 122 F Ingress protection IP65 Installation only in Non Hazardous areas permitted Included parts For easy installation and proper functioning of the Modbus network Biasing network with Terminal resistor Stabilizer for Modbus communication Supports the needed biasing voltages to ensure a proper function in a network with long installed cables Termination resistor is needed for the beginn...

Страница 13: ...ield 30 C 22 F to 70 C 158 F PVC LiYCY Twisted pair cable Functionality upto 1000m Twisted pair instrument cable common shield Cross section 2x 0 34mm2 AWG22 Impedance 120 Ohms Capacitance 40nF km 40 C 40 F to 75 C 167 F PVC Protection hose for installation of extension cables in ATEX Zone 21 available Weather protection cover If the unit is used outdoors the use of the weather protection cover is...

Страница 14: ...ight vibrations Mounting instructions Mounting position The unit is mounted vertically on the silo Max deviation is 2 There must be at least 200mm 7 87 space for the sensor weight to move down in case of a full silo Observe the bottom of the sensor weight at upper stop position dimensions see page G4 G6 Additional Safety Instructions for Hazardous Locations Installation regulations For devices to ...

Страница 15: ...weights are filled with plastic granulate or sand They shall be filled on site with bulk material or liquid which is not critical if mixed with the material stored in the silo Consider ageing of the material When filling observe the total weigth of the sensor rope version 1 0kg 2 2lbs tape version 2 1kg 4 6lbs Sealing A rubber seal must be used to tighten the flange Close both lids of the enclosur...

Страница 16: ... metal blanking element Field wiring cables All field wirings must have insulation suitable for at least 250V AC The temperature rating must be at least 80 C 176 F Relay protection Provide protection for relay contacts to protect the device against inductive load surges Protection against static charging The housing of the unit must be grounded to avoid static charging of the unit This is particul...

Страница 17: ...minal location NB 3000 Power supply and Signal input output Display Protective conductor terminal Full detector input Power supply Signal input Start of measurement 98 253V 50 60Hz 20 28V DC AC or DC supply depending on ordered version DC version AC version Start contact Start 24V alternative Signal description See page G22 Measurement interruption in case of filling If used remove factory provide...

Страница 18: ...ignal output Electronic counting pulse max 500 Ohm Relay1 max 250V AC 2A 500VA non inductive Fuse max 2A max 30V DC max 25mA Fuse max 63mA Optocoupler Note Reset pulse is done with Relay 2 Signal description See page G22 Signal description See page G22 Relay2 Relay3 Relay4 Signal description See page G23 active isolated Signal description See page G22 0 14 2 5mm2 AWG 26 14 0 14 2 5mm2 AWG 26 14 0 ...

Страница 19: ...ical installation NB 3000 Modbus network Setting Biasing and Termination Resistor For use of NB 3000 units in a external Modbus network it is possible to set Biasing and Termination Resistor on each unit as required NB 3000 Profibus DP network factory provided Biasing OFF OFF ON Termination Resistor OFF ON ON Wiring according to Profibus DP standards ...

Страница 20: ... is selected Biasing network Connections to NB 9000 panel are factory provided Terminal 3 5 Modbus connections to NB 3000 units see next page Fuse 0 63A 1 6A Fuse 0 63A 1 6A Use shielded cable AC DC converter Used if AC power supply is selected If required Power supply can be taken from one of the NB 3000 power supply terminals see next page If required Power supply can be taken from one of the NB...

Страница 21: ...er signal input and output should be wired in a separate cable D0 D1 Modbus lines NB 3000 Unit 2 NB 3000 Unit x Termination resistor OFF factory provided Termination resistor ON Last unit Termination Resistor must be switched ON see below Only if required Power supply for NB 9000 can be taken from one of the NB 3000 power supply terminals Use a separate cable NB 9000 must then have same supply AC ...

Страница 22: ...ent is done Signal output Relay Relais can be setted as shown in the following table Relay 1 Relay 2 Relay 3 Relay 4 Factory settings Counting pulse Reset pulse Failure Upper stop position Programmable Limit switch 1 Limit switch 2 Maintenance Maintenance Relais 1 2 set to Counting Reset pulse The counting pulse output is used to connect an external digital counter or a PLC with counting input Res...

Страница 23: ... can be continued Maintenance codes description see page G37 Relay 4 set to Upper stop postition The signal allows the user to determine whether the measurement has come to its end In this case the sensor weight is in its upper stop position relay contacts are closed Relay 4 set to Maintenance The relay indicates a necessary maintenance see also programming on page 28 and diagnostics Maintenance o...

Страница 24: ...o set the current output as volume C 0 Current output indicates material level C 0 Current output indicates material volume Note When using the digital pulse output terminal 5 6 7 see page G18 22 the parameters silo height H air distance A and cone height C have no influence on the measurement value The Quickset menu is used for fast and easy start up of the system If the unit is working in normal...

Страница 25: ... parameters to factory setting default values press the buttons ARROW UP ARROW DOWN and SETUP together for approx 10 seconds Programming buttons Continues with next adjustment item Continues with measurement display after parameter adjustment Starts measurement Cancels a Failure or Maintenance message Increases the value to be adjusted Decreases the value to be adjusted Factory settings Runtime me...

Страница 26: ...Limit switch Pulse distance 10cm 2 5cm 5cm 1cm 1 3ft 1 10ft 1 6ft 1 20ft After selecting Pulse Reset After selecting Limit switch Relay1 L1 Relay1 EN DEN Relay1 L2 0 30 40m 0 100 133ft 0m 0 30 40m 0 100 133ft 0m DEN EN Relay 3 Upper stop position Maintenance DEN EN Relay 4 DEN EN Timer OFF 0 05h 0 1h 99 9h Relay2 L1 Relay2 EN DEN Relay2 L2 0 30 40m 0 100 133ft 0m 0 30 40m 0 100 133ft 0m DEN EN Pre...

Страница 27: ...elay 2 works as Reset pulse Details see Signal Overview on page G22 Selecting Limit switch The relais are programmed with the distance from the sensor weight bottom to the required material surface switching point The relais can be set to energise or de energise The relay logic is as follows DEN The relay is normally de energised and is energised when the product rises above the L1 level It remain...

Страница 28: ...ements can be adjusted between 0 05h 3 minutes for the version with brushless motor otherwise 0 1h 6 minutes and 99 9 hours Position off causes no automatic measurement start The timer will be reset after finishing a measurement after linking the terminals 24 26 measurement interruption during filling For automatic measurement at a predetermined time of day an external start unit connected to term...

Страница 29: ...ual motor driving mode Failure Maintenance history Manual motor control Rope tape maintenance Total run time Current output check Firmware version Sensor weight moves up or down while pressing Scrolls through the messages Press to return to measurement mode Motor maintenance Total cycles Cycles left Reset Cycles left xxx Run time left Reset Run time left xxx Actual current 10mA Programming NB 3000...

Страница 30: ...es how many measurement cycles have been performed up to now Rope tape maintenance Cycles left Indicates how many measurement cycles are left until the next rope tape failure message F16 will appear and the unit will stop working Reset Can be done after a rope tape change if the Maintenance message was not yet present It sets the internal counter to zero to have the full amount of measurement cycl...

Страница 31: ...ion menu The Communication menu is used for setting parameters of Modbus RTU and Profibus DP Protocol Baudrate Modbus RTU Profibus DP 1200 2400 4800 9600 19200 38400 57600 1 247 100 Factory provided Press to return to measurement mode Protocol Selects if Modbus RTU or Profibus DP protocol is used Adress Selects the used communication adress Baudrate Selects the used baudrate Address ...

Страница 32: ...s the value Block Note Unit states the blocked status through the M_ STATUS register W 0 40045 M_STATUS States the functional status of the unit Blocked 1 Ready measurement not valid 2 Ready measurement valid 6 Busy 8 Failure present 16 Temporary not ready 32 Explanation see next page R Measurement Modbus Register The following registers describe the communication via Modbus CAUTION Writing to the...

Страница 33: ...1 F13 Rope tape too short or jammed in the rope roller b3 1 F15 Not enough current from power supply b4 1 F16 Service interval rope tape b5 1 F17 Service interval motor b6 1 R 40054 M_MAINTENANCE Maintenance status of the unit stated on a bit basis M10 Deflection pulley moves not smooth b0 1 M11 Sensor weight blocked inupper position b1 1 M16 Service interval rope tape b3 1 M17 Service interval mo...

Страница 34: ...l level is displayed in m or feet the volume as a bargraph NEXT PREVIOUS switches to the next or previous silos After switching on the power supply the number of connected NB 3000 must be set setting on the last page next to Silo 10 If a is stated in the level display there is no communication between Remote Box NB 9000 and NB 3000 Check adress setting on the NB 3000 units set the number of connec...

Страница 35: ...KED or ENABLED avoids or enables the start of a measurement measurement interruption BACK switches to the Overview page per silo Diagnostics page Displays if a Failure or Maintenance message is present The respective box is highlighted and states the Failure or Maintenance code See page G37 39 for details Note 1 In case of Failure or Maintenance the level display on the Home page and Overview page...

Страница 36: ...Coarse adjustment Coarse adjustment is done to avoid the detection of the water surface When penetrating into the water the weight must not float This can be checked by watching the deflection pulley bar If the deflection pulley bar will move briefly upwards while penetrating into the water the sensor weight floats and needs to be heavier This is achieved by unscrewing the lid of the sensor weight...

Страница 37: ...ose menu the setting SD card Enable is done but SD card is not present or not working properly Set the menu to SD card Disable or change SD card M16 Service interval rope tape The amount of measurement cycles has reached 70 of the rope tape lifetime To further guarantee faultless performance it is strongly recommended to change the rope tape After resetting the message the internal counter for the...

Страница 38: ...t 90 of the expected lifetime to provide some safety For further information see message M16 and F16 See figure on right hand for the operating time depending on the measurement cycles per day For applications with adverse conditions it is recommended to change the rope tape more frequently Motor lifetime The expected life time run time for the motor is Version for high measurement frequency brush...

Страница 39: ...different directions Evaluation by the Hall sensors on the pulley and the rope tape roller Motor direction is selected so the sensor weight moves upwards until upper stop position is reached Check if the rope tape is too short compared to the adjusted minimum safety setting Check if the rope is jammed in the rope roller and wound in the wrong direction F15 Not enough current available from DC powe...

Страница 40: ...notes Marking Devices with Ex approval are marked on the type plate Process pressure for ATEX The device construction allows process over pressure up to 0 3bar 4 4psi option 1 7bar 25psi These pressures are allowed for test purposes The definition of the ATEX is only valid for a silo over pressure between 0 2 0 1 bar 2 9 1 45psi Outside of these pressures the approval is not valid Process and ambi...

Страница 41: ...n with a plastic sensor weight and additional plastic rope insulation part is available on request This keeps a 500mm 19 7 distance from the material surface to the grounded rope tape Max ambient temperature Max process temperature Max surface temperature 60 C 140 F 80 C 176 F 130 C 266 F 40 C 104 F 90 C 194 F 130 C 266 F 100 C 212 F 130 C 266 F 110 C 230 F 130 C 266 F 120 C 248 F 130 C 266 F 130 ...

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