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BRUEL & KJAER VIBROCONTROL 920, User Manual, Page: 25 / 35

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BRUEL & KJAER VIBROCONTROL 920 User Manual Download Page 25

Mounting and Installation 

VIBROCONTROL 920 

 

 

VC920E / C102833.002 / V 13  

 

Page 23 / 33 

 

6.4 

Mounting 

Real panel mounting 

2 M4 x 15 screws or 

 

2 M5 x 15 screws 

Rail mounting 

35 mm profile rail (EN 50 022) 

 
 

 

 
 

•

 

Dimensions 150 mm x 78 mm x 115 mm (W x H x D) 

 

 
 

Note! 

The assembly of the VIBROCONTROL 920 must not be undertaken in areas 
with permanent vibrations. Possibly a vibration-isolated installation must be 
implemented. 

 
 
 
 
 
 

W 

D 

Summary of Contents for VIBROCONTROL 920

Page 1: ...VIBROCONTROL 920 C102 833 002...

Page 2: ...ved No part of this technical documentation may be reproduced without prior written permission of Br el Kj r Vibro GmbH Subject to change without prior notice Copyright 2014 by Br el Kj r Vibro GmbH D...

Page 3: ...al Data 5 3 Display and operating elements 8 3 1 Button MODE 8 3 2 Measured Value Parameter 8 3 3 Display period 8 3 4 Status signals 9 3 5 Reset 10 3 6 Store 10 4 Internal Tests and Error Signals 11...

Page 4: ...rameter Group 1 15 5 4 Parameter Group 2 17 5 5 Parameter Group 3 Service Parameter 20 6 Mounting and Installation 21 6 1 Mounting and Installation Instructions 21 6 2 Connecting Cable shields 1 22 6...

Page 5: ...locity Two adjustable limit values within the same full scale range are available for signalling alarms To prevent the alarm relays being activated by short term high vibration levels which exceed the...

Page 6: ...e over 1 2 VIBROCONTROL 920 operation after switch on or power return The instrument automatically executes a self test lasting approximately 6 secs each time it is switched on Through this a calibrat...

Page 7: ...EC 60947 3 and be suitable for application Caution Only one type of power may be connected at one time Measurement variable Effective rms value of vibration velocity Frequency range 1 1000 Hz 1 10 100...

Page 8: ...itable spark suppression device must be employed The spark suppression device must be installed as near as possible to the source of the interference Temperature ranges 0 50 C working temperature rang...

Page 9: ...industry standard current loops must be used The OK Relay has to be used as system function The VIBROCONTROL 920 system must be protected against erroneous change in configuration Abbreviations MTTF...

Page 10: ...ed Value Parameter Measurement value display Three digit seven segment LED display The display resolution is automatically selected to correspond to the selected measurement range Buttons Correspondin...

Page 11: ...ll be reset A reset of the limit relay is only possible if the measurement value is lower than the corresponding limit value Terminals 31 32 permanently connected Standard delivery The limit exceeedan...

Page 12: ...zed when set up as normally de energized and will be de energized when set up as a normally energized relay If an OK error occurs during a LIM2 activation the limit signal LED and relay will be reset...

Page 13: ...yellow red This test lasts for approx 4 seconds 4 2 Displaying the program version In the mode display field a v is displayed and in the measurement value display field the version number is displayed...

Page 14: ...rature inside the instrument housing has exceeded the 90 C 10 limit If this error message occurs the instrument should be removed from the monitoring application and returned to the nearest service st...

Page 15: ...r simultaneously pushing the MODE RESET buttons Changes to the parameters are ignored when the entry mode is exited by pushing the RESET button 5 1 Function Displaying parameters MODE button Push once...

Page 16: ...layed in the measurement value field resp buttons Switching the parameter values to next higher resp next lower value MODE button By pushing the MODE button you can switch to the next parameter If cha...

Page 17: ...the defined limit values are lower than the new full scale they will be retained The automatic change in limit values will be signalled by flashing of the respective alarm limit LEDs LIM 1 and LIM 2 T...

Page 18: ...mm s x 0 x 2 x 5 x 7 0 100 mm s 1 mm s Mode 5 Time delay LIM 1 Default value 10 s The range of the adjustable time delay is from 0 100 s in steps of 1 second The parameter is only effective when there...

Page 19: ...s activated Selection Value Sensor for Requirement 1 70 mV mm s v 2 100 mV mm s v 3 100 mV g a 24 V 4 10 mV g a 4 mA 5 100 mV g a 4 mA 6 10 mV g a 24 V Meaning a Vibration acceleration v Vibration vel...

Page 20: ...ized The relay de energizes when the limit is exceeded Normally de energized The relay energizes when the limit is exceeded Mode 6 LED 7 segment display Default value 0 With this parameter the duratio...

Page 21: ...function activate RESET button Selection Result 1 U 26 27 corr measurement signal I 28 29 corr measurement signal 2 U 26 27 0 V I 28 29 0 4 mA 3 U 26 27 10 V I 28 29 20 mA 4 U 26 27 5 V I 28 29 10 12...

Page 22: ...ternal components of the instrument is displayed The value should be in the range 4 8 V to 5 2 V Values outside this range lead to the error message 02 Mode 4 Internal voltage 17 Volt The 17 Volt powe...

Page 23: ...stallation 6 1 Mounting and Installation Instructions 1 2 see the following page The quality of the masurements and the security of the electromagnetic resistance is dependent on a fault free interfer...

Page 24: ...up to 8 mm cable diameter Expose and shape the cable shield in the form of a ring at the height of the grounding rail only to the width of the grounding rail so that the cable remains shielded right...

Page 25: ...mounting 2 M4 x 15 screws or 2 M5 x 15 screws Rail mounting 35 mm profile rail EN 50 022 Dimensions 150 mm x 78 mm x 115 mm W x H x D Note The assembly of the VIBROCONTROL 920 must not be undertaken...

Page 26: ...VIBROCONTROL 920 Mounting and Installation Page 24 33 VC920E C102833 002 V 13 This page is for your notes...

Page 27: ...standard connection WH white BN brown VS 01xx V PA 4 mm PA 4 mm 2 2 BK VE GN VE BU BN Ex Bereich Hazardous area Zone dangereuse AC 2103 2 4 2 OK 8 BN WH VC92VSEX 020402 S A A 205 m m 2 IC 48 2 LIM 1 A...

Page 28: ...Rel Reset 115V 43 O 45 44 49 N Vibration accelerometer standard connection WH white YE yellow RD red Sicherer Bereich Safety area Zone s re PA 4mm PA 4mm 2 YE SIG RD 24V WH 0V AC 2105 U a ASA 02x 3 4...

Page 29: ...5mm 2 AC 2104 0 AC 112 YE SIG BK 0V R G 47 AC 112 YH E K 48 49 53 W K 54 55 53 2 VC92AS30 050405 DC 4 2 2 2 IC LIM 1 SIG 2 2 COM B LIM 2 4 5 3 5 9 7 VC 920 59 59 54 55 57 58 SE Schiene Grounding rail...

Page 30: ...s not permitted Sicherer Bereich Safety area Zone s re PA 4mm PA 4mm 2 2 Ex Bereich Hazardous area Zone dangereuse 0 10V DC IC COM SIG B 20 PA 4mm 2 17 18 19 22 21 23 22 24 26 4 PA 2 2mm VC920 CCS_EX...

Page 31: ...one either by the on site service personnel at the Br el Kj r Vibro Ltd manufacturing facility or at one of the authorized Br el Kj r Vibro service stations An inspection of this type is recommended a...

Page 32: ...t after switch on or return of power the OK relay and limit relays will be in the de energized condition Version 3 0 Full scale changes If the full scale value Parameter group 1 Mode 2 changes the def...

Page 33: ...e delay LIM 2 s Mode 7 High pass filter value Hz Parameter Group 2 Mode 2 Sensor sensitivity Mode 3 Correction factor Mode 4 DC Current output range mA Mode 5 Limit relay operating mode Mode 6 LED dis...

Page 34: ...VIBROCONTROL 920 Parameter list Page 32 33 VC920E C102833 002 V 13...

Page 35: ...Parameter list VIBROCONTROL 920 VC920E C102833 002 V 13 Page 33 33...

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