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DVLD-1

Lightning Detector

User Manual

MAN1027

Version 1.0

August 2015

Davicom, a division of Comlab Inc.
2300, Leon-Harmel, suite 220, Quebec, QC, Canada
G1N 4L2
Tel: +1.418.682.3380 Fax: +1.418.682.8996

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Summary of Contents for DVLD-1

Page 1: ...DVLD 1 Lightning Detector User Manual MAN1027 Version 1 0 August 2015 Davicom a division of Comlab Inc 2300 Leon Harmel suite 220 Quebec QC Canada G1N 4L2 Tel 1 418 682 3380 Fax 1 418 682 8996 ...

Page 2: ......

Page 3: ...1 DVLD User Manual Davicom Lightning Detector User Manual www davicom com ...

Page 4: ...atory Compliance 4 3 Background 5 4 Installation and initial configuration 5 5 Extra information on operation of the DVLD 8 5 1 Averaging time distance thresholds 8 6 Timeout delays 9 6 1 Noise rejection 9 7 Using the DVLD 9 7 1 Hands off setup 10 7 2 Hands on setup 11 7 3 Logging 13 8 Support Contact 15 ...

Page 5: ...b for any damages resulting from such improper use or sale Comlab reserves the right to make design changes to its products without incurring any obligation to make the same changes to previously purchased units This warranty is the full extent of obligation and liability assumed by Comlab with respect to its products Comlab neither makes nor authorizes any person or company to make any other guar...

Page 6: ...protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case t...

Page 7: ...ery effort into ensuring that the unit will perform flawlessly in various electromagnetic environments it is not impossible that certain installations contain defective or electrically noisy components that could affect the DVLD s operation The DVLD comes in 2 parts The outdoor detector DVLD 1 The indoor USB converter USB RS485LD 1 You must install the DVLD outdoors and secure it to a wall or post...

Page 8: ...y outside this range will not be logged Default value is 10 km 12 Set the Trigger Timeout additional delay before returning to normal conditions after the last detected lightning activity see section 6 below Default value is 10 min 13 Select the Action Type the Alarm List number and check the Custom log box if the alarms need to be logged 14 Click OK and confirm the changes 15 To display the infor...

Page 9: ...own on the left below It will appear as on the right below 18 The second flag variable from the DVLD is the 1LD01 flag It is the one that contains the actual distance to the storm front It can be displayed directly without having to pass through a VLG Placing the 1LD01 value in a display button object in the DavLink display editor as shown below on the left will produce the display shown on the ri...

Page 10: ...ng this up the data will appear in the graph the next time you log back on 5 Extra information on operation of the DVLD 5 1 Averaging time distance thresholds Independently of the Davicom s settings the DVLD s internal circuit is always operating and actively listening for the electromagnetic signature of lightning strikes It can detect both cloud to ground and cloud to cloud strikes If the hardwa...

Page 11: ...table he is with the risk that a fast approaching storm could zoom in to his site with little or no forewarning A display of 63 km indicates that no lightning has been detected 6 Timeout delays As explained in the paragraph above the DVLD s normal averaging period is 17 minutes and this period is fixed in the hardware The Davicom unit however has a Trigger Timeout period that is added to the basic...

Page 12: ... site and shut things down This can be done by passing the LD01 flag through a Virtual Logic Gate VLG and controlling a relay as shown in the screen shot below For DV Mini or DV 2 8 216 units the control could also take the form of sending an SNMP trap or performing an SNMP SET If you wish the Davicom can also be configured to send an alarm when the Distance Trigger event occurs in addition to the...

Page 13: ...lly when a certain closer threshold is reached To achieve this dual threshold capability it is necessary to use the Metering Math Functions built in to the Davicom units The MMF s have two level alarm capability built in The example below shows that a Minor Alarm has been set for a minimum distance of 30 km and a Major Alarm has been set for a minimum of 10 km Note the in the High field indicating...

Page 14: ...12 DVLD User Manual This Metering Math Function feature only works with firmware 5 56 17355 or more recent ...

Page 15: ...produce a chart of storm activity and proximity to the site The figure below shows the DVLD range data of a real thunderstorm that passed right over our offices in the evening on June 18th 2015 To achieve this functionality the custom log and data logging features must be used 0 10 20 30 40 50 60 70 8 44 PM 9 16 PM 9 31 PM 9 46 PM 10 01 PM 10 16 PM 10 31 PM 10 46 PM 11 01 PM DISTANCE km TIME Thund...

Page 16: ...the Custom Log can be configured as shown below to transfer the log by e mail when it reaches 90 capacity The Data logging must be activated to take periodic samples every 5 minutes in this example This will give about 288 samples per day and should produce an e mail every 3 or 4 days ...

Page 17: ...nce Manual For technical support concerning this product please consult the www davicom com web site or contact us By telephone at 1 866 282 3380 toll free in North America or at 1 418 682 3380 from elsewhere Through our web site at www davicom com contact Davicom s address is Davicom a division of Comlab Inc 2300 León Harmel Suite 220 Quebec City Quebec Canada G1N 4L2 ...

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