IFM VNB211 Operating Instructions Manual Download Page 3

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8�1�2 Characteristic vibration value ��14

8�1�3 External process value ��14

9 Menu ��14

9�1 Menu structure ��15

9�3 Explanation of the menu ��20

10 Parameter setting via the pushbuttons on the unit ��22

10�1 Parameter setting in general ��22

10�1�1 Change from menu level 1 to the sub-menu ��23

10�1�2 Locking / unlocking ��24

11  Maintenance, repair and disposal ��24
12  Scale drawing ��24
13  Time diagrams ��25

13�1 Averaging for a characteristic vibration value ��25

13�2 Switching delay for the upper limit monitor ��26

13�3 Switching delay for the lower limit monitor ��28

14 Factory setting ��29

Summary of Contents for VNB211

Page 1: ...Operating instructions Vibration sensor VNB211 80270676 00 12 2017 UK...

Page 2: ...function 8 6 3 Output function switching output and analogue output 9 6 4 Self test 9 6 5 Averaging of a vibration characteristic value 9 6 5 1 Calculation 9 6 5 2 Settings 10 6 5 3 Diagram averaging...

Page 3: ...19 9 3 Explanation of the menu 20 10 Parameter setting via the pushbuttons on the unit 22 10 1 Parameter setting in general 22 10 1 1 Change from menu level 1 to the sub menu 23 10 1 2 Locking unlocki...

Page 4: ...device Keep this document during the service life of the device 1 2 Symbols used Instructions Reaction result Cross reference LED on LED flashes Important note Non compliance may result in malfunctio...

Page 5: ...he device Tampering with the device is not allowed and will lead to an exclusion of liability and warranty Tampering with the device can affect the safety of operators and machinery 3 Functions and fe...

Page 6: ...the machine surface using the spacer adapter in the direction of the strongest vibrations This is usually the radial direction Tighten the M5 screw with a tightening torque of 7 Nm Ensure a reliable v...

Page 7: ...st connect the interface cable to the device and then to the USB interface of the computer Communication with the PC software for parameter setting of the objects to be monitored to read and reset the...

Page 8: ...On delivery the first characteristic value monitors the effective value of the vibration velocity to ISO 10816 in the frequency range of 10 1000 Hz On delivery the second characteristic value monitor...

Page 9: ...e function of the VNB s measuring cell The self test is made during power on and can in addition be started manually via the PC software or the buttons on the unit Displays on the unit Self test passe...

Page 10: ...o the measurement mode via the VES004 software In this mode you have access to the raw data time signal of the acceleration or of the external input 4 20 mA The data can be visualised recorded analyse...

Page 11: ...e 8 LED red OU2 main alarm active The LED indicates the current alarm state warning alarm damage alarm The configu ration of the corresponding output OU1 OU2 as normally closed or normally open is ign...

Page 12: ...ternal sensor The display allows no indication of the unit if the external input is used for process value monitoring 7 3 1 Examples in the operating mode Colour segment display yellow a v d RMS Pk Ex...

Page 13: ...e In the operating mode external process value measured values are displayed e g temperatures pressure values or other characteristic vibration values The detected values are transferred via the measu...

Page 14: ...itch points Hysteresis All other settings of the sensor are made via the PC software There it is defined how many and which characteristic values characteristic vibration values and or process values...

Page 15: ...15 UK 9 1 Menu structure 9 2 Main menu Ext input Vibration Main menu...

Page 16: ...16 9 2 1 V1 menu 9 2 2 V2 menu 9 2 3 EV1 menu The menu for the external characteristic vibration value 1 is only available if it was configured in the PC software...

Page 17: ...17 UK 9 2 4 EV2 menu The menu for the external characteristic vibration value 2 is only available if it was configured in the PC software 9 2 5 EP1 menu...

Page 18: ...18 9 2 6 EP2 menu The menu for the external process value 2 is only available if it was configured in the PC software 9 2 7 Ext menu...

Page 19: ...19 UK 9 2 8 Out menu...

Page 20: ...iguration as analogue input OUT Sub menu for the outputs Uni Unit of the vibration velocity mm s or in s Test Self test PASS or FAIL is automatically made when the sensor is switched on Sub menu chara...

Page 21: ...the switch point is exceeded OU1 switches if it is digital the yellow LED OU1 lights the measured value display changes to yellow Eh1 Hysteresis pre alarm Absolute distance between set and reset point...

Page 22: ...60 s Error message Err1 The value to be displayed is less than 999 or greater than 9999 Check the scaling of the current output ASP1 AEP1 and set again 10 Parameter setting via the pushbuttons on the...

Page 23: ...e Enter The parameter is displayed again The new setting value is saved Mode Enter Set Set other parameters Start again with step 1 Change the operating mode Press Mode Enter several times until the c...

Page 24: ...displayed Mode Enter Set During operation Loc is briefly displayed if you try to change parameter values For unlocking Press Mode Enter Set for 10 s uLoc is displayed Mode Enter Set On delivery not l...

Page 25: ...fect of averaging for a characteristic vibration value The outputs are configured as normally open OU1 and OU2 NO averaging AUER 0 25 2 1 t s 10 20 vrms mm s SP1 SP2 t s 10 20 OU 2 n o ds2 dr2 0 s 24...

Page 26: ...s 10 20 Analogue In C ESP2 ESP1 t s 10 20 OU 1 n c ds1 ds2 dr1 dr2 0 s 24 V 0 V on off off on t s 10 20 OU 2 n c 24 V 0 V on off off on t s 10 20 OU 1 n c ds1 ds2 2 s dr1 dr2 3 s 24 V 0 V on off 2 s...

Page 27: ...7 UK If the switching delays of pre alarm and main alarm are set differently main alarm already switched on pre alarm not yet switched on pre alarm already switched off main alarm not yet switched off...

Page 28: ...ormally closed OU1 and OU2 NC t s 10 20 Analogue In C Eh1 Eh2 t s 10 20 OU 1 n c ds1 ds2 dr1 dr2 0 s 24 V 0 V on off off on t s 10 20 OU 2 n c 24 V 0 V on off off on t s 10 20 OU 1 n c ds1 ds2 2 s dr1...

Page 29: ...me 0 25 s History interval 300 s History values Maximum value average value Characteristic vibration value 2 Filter 6000 Hz low pass Evaluation method Peak Degree of integration Acceleration Measureme...

Page 30: ...nt time History interval History values External characteristic vibration value 1 Not used Filter Evaluation method Degree of integration Measurement time History interval History values External char...

Page 31: ...ng list indicates the factory settings of the parameters that can be set via the pushbuttons on the unit Factory setting User setting Characteristic vibration value 1 SP1 pre alarm 2 8 mm s rms SP2 ma...

Page 32: ...eresis main alarm 1 External process value 2 Not used ESP1 pre alarm ESP2 main alarm Eh1 hysteresis pre alarm Eh2 Hysteresis main alarm External input EASP 4 mA 0 EAEP 20 mA 100 Outputs ou1 output 1 N...

Page 33: ...33 UK Factory setting User setting dS2 switch on delay main alarm 0 s dr2 switch off delay main alarm 0 s Display uni Metric...

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