Brüel & Kjaer Vibro VIBROCONTROL 850 Instruction Download Page 1 | Manualshive

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VIBROCONTROL 850

Instruction

Single channel vibration monitor

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Summary of Contents for VIBROCONTROL 850

Page 1: ...Keep it accessible for future reference VIBROCONTROL 850 Instruction Single channel vibration monitor ...

Page 2: ...tation or making this document available to the public without prior written approval from Brüel Kjaer Vibro GmbH shall be prohibited This also applies to parts of this technical documentation Brüel Kjaer Vibro GmbH Leydheckerstrasse 10 64293 Darmstadt Germany Phone 49 6151 428 0 Fax 49 6151 428 1000 E Mail info bkvibro com Hotline Phone 49 6151 428 1400 E Mail support bkvibro com ...

Page 3: ...lert Alarm Delay Time 8 3 9 Danger Alarm Trigger Level 9 3 10 Danger Alarm Delay Time 9 3 11 Vibration Level During Self Test 10 3 13 System Failure 11 3 14 Hang Time 11 3 15 Latch Function 11 3 16 Overload 11 3 17 Over range 12 3 18 DC Analogue Output 12 3 19 Alarm Output relays 12 3 20 Light Emitting Diodes LEDs 13 3 21 Self Test Function 13 3 22 Sensor Test 13 3 23 Measuring Direction 14 3 24 R...

Page 4: ...re set trigger level s 2 Hints for safety operations of VIBROCONTROL 850 General Please carefully read the operating instructions prior to set up of the device Make sure that your VIBROCONTROL 850 is suitable for your application without any restrictions Improper use Any improper or non intended use may lead to malfunctions of the VIBROCONTROL 850 or to unwanted effects in your application If the ...

Page 5: ...r mechanical vibrations on machines according to DIN ISO 10816 In compliance with this standard the machine vibration must be monitored in mm s and within a frequency bandwidth of 10 1000 Hz In the VIBROCONTROL 850 the momentary vibration level is continuously compared with two alarm trigger levels respectively called Alert and Danger If an alarm trigger level has been exceeded the corresponding a...

Page 6: ...inactive Danger alarm delay time Danger Alarm trigger level Not applicable Alert Alarm trigger level Analogue output level during Self Test Alert Alarm delay time Not applicable None 1 100 s 1 100 of FS None 1 100 of FS 1 100 of FS 1 100 s None Miscellaneous DIP switches 6 7 and 8 DIP switch 6 not used DIP switch 7 switches the Self Test function On or Off see section 3 20 DIP switch 8 connects th...

Page 7: ... Alert alarm delay time for the Alert alarm to become activated By default the Alert alarm trigger level is set to be 35 of full scale Alternatively the customer can set the Alert alarm trigger level to his her likings by using the following procedure Remove the lid that covers the VIBROCONTROL 850 Connect a digital multi meter in DC mA mode with a full scale deflection of at least 20 mA to the wi...

Page 8: ...with a full scale deflection of at least 20 mA to the wires GND and 4 20 mA Output Set DIP switches 3 4 5 in position On On Off If e g the Alert alarm delay time is 10 seconds the multi meter will show an analogue output of 5 6 mA The Alert alarm delay time can be changed to any value between 0 second and 100 seconds by pushing the buttons up and down at the left and right bottom of the round plat...

Page 9: ...ing is finished will have the consequence that the analogue output will continuously be showing the Alert alarm delay time and the vibration guard will therefore NO LONGER react on any alarm trigger levels i e neither from Alert nor Danger alarms 3 10 Danger Alarm Delay Time The Danger Alarm Delay Time is the minimum time the vibration level must exceed the pre set Danger alarm trigger level befor...

Page 10: ...any alarm trigger levels i e neither from Alert nor Danger alarms Alternatively the customer can set the analogue output level during Self Test to his her likings by using the following procedure Remove the lid that covers the VIBROCONTROL 850 Connect a digital multi meter in DC mA mode with a full scale deflection of at least 20 mA to the wires GND and 4 20 mA Output Set DIP switches 3 4 5 in pos...

Page 11: ...Hang Time This is the time an Alert or Danger alarm relay will remain activated even though the vibration level has decreased to below the pre set trigger level The hang time for these relays is set to 1 second When the Danger Relay act as a system failure output it has no hang time but it will remain activated until the system failure condition has ended or reset e g after a complete successful s...

Page 12: ...𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉 𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹 16 𝑚𝑚𝑚𝑚 4 𝑚𝑚𝑚𝑚 60 𝑚𝑚𝑚𝑚 𝑠𝑠 100 𝑚𝑚𝑚𝑚 𝑠𝑠 13 6 𝑚𝑚𝑚𝑚 Example 2 the analogue output shows 15 mA The velocity is 𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉𝑉 𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝑎𝑎𝑎𝑎𝑎𝑎 𝐼𝐼out 4 𝑚𝑚𝑚𝑚 16𝑚𝑚𝑚𝑚 100 𝑚𝑚𝑚𝑚 𝑠𝑠 15 𝑚𝑚𝑚𝑚 4 𝑚𝑚𝑚𝑚 16 𝑚𝑚𝑚𝑚 68 75 𝑚𝑚𝑚𝑚 𝑠𝑠 Please note that in order for the DC current output to function correctly it is necessary that the DIP switches 3 4 5 are in the Off Off Off position The impedan...

Page 13: ...he Self Test wire is connected to the GND wire The Self Test can also be initiated by toggling the internal DIP switch 7 from Off to On The Self Test will last for as long DIP switch 7 remains in the On position Please note that the function of DIP switch 7 is disabled when DIP switch 6 is in PC mode The Self Test checks a large number of the functions inside the VIBROCONTROL 850 If the Self Test ...

Page 14: ...by performing a complete successful Self Test If this does not end the system failure alarm disconnecting the unit from the main power for a few seconds should do the task 3 25 Inhibit Alarms The Alert and Danger alarms and the activation of a system failure cannot be inhibited i e cannot be de activated for some time This feature is not available in the VIBROCONTROL 850 3 26 Grounding the housing...

Page 15: ...ening of the stud while mounted on vibrating parts such as pumps motor mounting bolts gear boxes etc it should be secured with liquid thread lock e g 1 LOCTITE 243 Recommended for use where disassembly with hand tools is required for servicing Prevents loosening on vibrating parts such as pumps motor mounting bolts gear boxes 2 LOCTITE 270 Recommended for permanently locking studs where regular re...

Page 16: ...specified by the manufacturer the protection provided by the equipment may be impaired The safety of any machine system incorporating the VIBROCONTROL 850 device is the sole responsibility of the assembler of the system 5 Cable Connections The cable that is attached to the VIBROCONTROL 850 is made of PUR i e an oil resistant type It is single shielded it has a default length of 5 meters and has at...

Page 17: ... velocity 25 C with current LP and HP filter setup DC Output Current 4 20 mA max load resistance 400 Ω Alarm output Two relays with break function Alert and Danger Both relays are latched Max 30 V 100 mA Self Test A Self Test can be activated by DIP switch and remotely The Alert and Danger relays are only activated after the duration of their respective delay times if the analogue output during Se...

Page 18: ...t 40 C Pollution degree 3 industrial use and 4 outdoor use Maximum altitude In operation 4000 m Mounting Internal thread M8 Depth of thread max 10 mm Mounting torque approx 6 8 Nm See mounting instructions in chapter 5 compliance EMC Directive 2004 108 EC Temperature EN 60068 2 1 2007 Cold EN 60068 2 2 2007 Dry heat Operating 20 to 65 C Storage 40 to 85 C Maximum Humidity EN 60068 2 78 2001 95 RH ...

Page 19: ... cause the fading of the labels on the enclosure making them unreadable In the unlikely event that you experience erroneous behaviour of the device e g a system failure we advise you to carry out a complete self test for a couple of minutes In case the system failure is still present after such a complete self test we strongly recommend you to contact the manufacturer for a repair of the device Wh...

Page 20: ...Contact Brüel Kjaer Vibro GmbH Leydheckerstrasse 10 64293 Darmstadt Germany Phone 49 6151 428 0 Fax 49 6151 428 1000 VC 850 C106635002 V01 Brüel Kjaer Vibro Technical alterations reserved ...

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