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VEK FG2-1

operating instructions

FEIG ELECTRONIC GmbH

12/99

5

General



Copyright 1998 by

FEIG ELECTRONIC GmbH

Lange Straße 4
D - 35781 Weilburg

The indications made in these operating instructions may be altered without previous notice.

With the edition of these instructions, all previous editions become void.

Composition of the information given in this manual has been done to the best of our knowledge.

FEIG

ELECTRONIC

does not guarantee the correctness of the details given in these instructions and may not be

held liable for damages ensuing from incorrect installation.

Since, despite all our efforts, errors may not be completely avoided, we are always grateful for your useful
tips.

The installation instructions given in this manual are based on advantageous boundary conditions.

FEIG

ELECTRONIC

does not give any guarantee promise for perfect function of the appliance in a cross

surrounding.

Copy or reproduction of these instructions, even if only partial, as well as translation into other languages is
forbidden unless a written consent has been granted by FEIG ELECTRONIC. This also applies to the
complete or partial storage of these operating instructions on modern input- and output media for further
processing in data processing systems.

Please read the operating- and safety instructions thoroughly before putting the appliance into

operation !

Stand: 28.05.98 as
BES_FG2.DOC, L-6490

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Содержание VEK FG2 Series

Страница 1: ...Operating instructions Diagnostic device VEK FG2 1 FEIG ELECTRONIC GmbH Lange Straße 4 35781 Weilburg ...

Страница 2: ...r efforts errors may not be completely avoided we are always grateful for your useful tips The installation instructions given in this manual are based on advantageous boundary conditions FEIG ELECTRONIC does not give any guarantee promise for perfect function of the appliance in a cross surrounding Copy or reproduction of these instructions even if only partial as well as translation into other l...

Страница 3: ...contract accessories 11 4 2 optional accessories 11 5 Initiation of induction loop detectors 11 5 1 Loop installation 11 5 1 1 mechanical handicaps 11 5 1 2 electrical handicaps 12 5 2 How to align the detector 12 5 3 How to adjust the detector 12 5 3 1 Sensitivity 12 5 3 2 Stop period 12 5 3 3 Frequency 12 6 Safety and danger instructions 13 7 Appendix 14 7 1 Survey of detectors 14 7 2 Number of ...

Страница 4: ...nitiation Please charge the 9V block accumulator prior to putting the device into operation see how to charge the accumulator With the help of the VEK FG2 loop diagnosis may be carried out at two different detector types at a time a Detectors with 10 pole diagnostic socket The VEK M detectors are constantly sending the data currently determined by the micro processor through the diagnostic socket ...

Страница 5: ... 2 Detuning The detuning display indicates the extent of the frequency change which has been caused by crossing the loop with a metallic vehicle A vehicle causes a change of inductivity at the loop which means a relative change of frequency Therefore the detuning is indicated as a relative value increments and not in Hz The responsiveness of the detector may be perfectly adjusted by using the indi...

Страница 6: ...gnostic device may show the following errors resp messages Battery warning o Breach of loop Loop short Frequency exceeding Frequency underflow The error memory of a channel is deleted by switching to the next channel Example 2 3 Automatic cutoff In order to avoid unnecessary stressing of the storage battery and thus a total discharge the device is automatically switched off 2 minutes after the dia...

Страница 7: ...conventional 9V block battery has to be removed from the battery compartment Otherwise there is danger of destruction Polarity at the 3 5mm jack bush The 9V accumulator may also be charged with an external battery charger 3 Technical Data Power supply 9V accumulator or 12V DC plug power pack Service life Akku Varta 5022 approx 3 hours Charging Conventional battery charger by removing the accumulat...

Страница 8: ... 5 1 Loop installation 5 1 1 Mechanical handicaps In order to determine the minimum distance between the loops the following rule applies Distance between two loops At least half of the length of the parallel edge The loops of a multiplex detector e g VEK M do not affect each other There is no need for a minimum distance which means that the loops may be interlaced without impairing the functionin...

Страница 9: ...device VEK FG2 Possible sensitivity levels depending upon the detuning are listed in the chart under Selection of sensitivity Note In case of vehicles with a great distance between bottom of the car body and loop lorries trucksters all terrain vehicles etc only the axles are detected if sensitivity is too low In between the axles the detector falls back into the non occupied condition In this case...

Страница 10: ...carried out by the manufacturer Connection initiation maintenance measurement and adjustment of the traffic detector should only be carried out by electricians with special knowledge regarding accident prevention When handling appliances which come into contact with electricity the current VDE rules have to be observed especially VDE 0100 VDE 0550 0551 VDE 0700 VDE 0711 VDE 0860 VDE 0105 as well a...

Страница 11: ... VEK VRA V VEK VRB V VEK VPRD V b Multiplex detectors Item No Diagnostic cable VEK M1A M VEK M2A M VEK M1B M VEK M2B M VEK M2C M VEK M4C M VEK M4CS M VEK MP2RC M VEK M1E M VEK M2E M VEK MRE M VEK M8ER M9 VEK S3 M9 TST SVEK1 M4 TST SVEK2 M4 Cables M9 and M4 have the same functions as cable M and may be purchased as accessory parts see Optional accessories 7 2 Number of turns of square loops Loop ci...

Страница 12: ... 1600 med low 200 800 med high 200 high 7 4 Order data a VEK FG2 A Diagnostic set Order No 544 Diagnostic device VEK FG2 Plug power pack 9V accumulator Cable M Cable V Service box b VEK FG2 B Diagnostic set Order No 543 just like a but with an additional LCR meter with test strings c VEK FG LCR Diagnostic measuring instrument order No 546 LCR meter suitable for service box d VEK FG ISO ground test...

Страница 13: ...medy re adjust loop frequencies and check with diagnostic device VEK FG2 Couplings caused by insufficient distance bet ween neighbouring loops Verification the minimum distance between neighbouring loops has to be half the length of the parallel loop edges Note There is no minimum distance between the loops of one detector for multiplex detectors VEK M Remedye Install loops with a greater distance...

Страница 14: ...ufficient mechanical solidity there must not be any defor mations in the loop geometry when crossing it The loop must not move compared to the ground armouring For installation under paving stones please do always use finished loops Influences caused by armouring or metal foil Verification cross the loop with a vehicle and check detuning with the help of diagnostic device VEK FG2 Note the loop is ...

Страница 15: ...r resp loop elsewhere Insufficient mechanical loop solidity Verification tap the surface above the loop with a beam and observe diagnostic device VEK FG2 in detuning position with regard to possible frequency jumping or permanent detuning Note changes in the loop geometry may cause positive as well as negative detuning of the detector Positive detuning may lead to a permanent seizure of the detect...

Страница 16: ...y jumps may lead to a re alignment of the detector Remedy please make sure that the loop is of sufficient mechanical solidity there must not be any deformations in the loop geometry when crossing it with a vehicle the loop must not move compared to the ground armouring for installation under paving stones please always use finished loops Metallic objects in loop area Verification use diagnostic de...

Страница 17: ...t the detector s supply main to another phase Interferences caused by compensating current in the armouring or other metal parts Verification use the diagnostic device VEK FG2 position detuning to check frequency stability Fluctuations must not exceed 2 increments Remedy choose the greatest possible distance between loops and armouring The greater the distance between armouring and loops the lesse...

Страница 18: ...oops Metallic objects within loop area Verification use diagnostic device VEK FG2 in detuning position to check frequency fluctuations and jumps caused by movements of the metallic object Note If metallic objects e g manhole covers grates loose gates etc are surrounded by the loop their movements may cause detunings of the resonant circuit Should there be permanent negative frequency changes the s...

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