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Components and Operation

Revision 04 (English), Date: 26.04.2016

5

2

Components and Operation

2.1

Components in the Ground

The accuracy of the system is effected by

-

large metallic objects on the ground

-

metallic reinforcements within a close area of the guide wire.

Inductive loops have a large influence on the system's accuracy, (such as those

caused by steel mating). Individual metal bars have lesser effect upon the system.

Environmental conditions have no effect upon the system e.g.

-

snow, ice, water

-

oil, tar, sand, soil, dirt and such

There are however restrictions to the permissible length of the guide wire and their sur-
roundings, which will be described in more detail later.

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Содержание HG G-21934

Страница 1: ...e Guidance of Outdoor Vehicles HG G 21934 Revision 04 English Developed by W M Date 26 04 2016 Author RAD K W G tting KG Celler Str 5 D 31275 Lehrte R ddensen Germany Tel 49 0 51 36 80 96 0 Fax 49 0 5...

Страница 2: ...for the Generator 8 2 3 Components on the Vehicle Antenna HG 19534 9 2 3 1 Connection Plan of the 12 1 Pin Socket 10 2 3 2 External signal processing not included within the systems scope of delivery...

Страница 3: ...oltage of a crossed coil 19 B Course taken by Sum and Difference Voltage of a Compensated Cros sed Coil 19 8 Handbook Conventions 21 9 Copyright and Terms of Liability 22 9 1 Copyright 22 9 2 Exclusio...

Страница 4: ...eering antenna receives over separate channels the vertical and horizontal components of this field Both com ponents are then filtered strengthened and rectified so that Usum and Udif are avail able a...

Страница 5: ...a close area of the guide wire Inductive loops have a large influence on the system s accuracy such as those caused by steel mating Individual metal bars have lesser effect upon the system Environment...

Страница 6: ...e other for both ends of the loop conductor 2 5 mm The casing should be earthed as the voltage over load is connected to it The Coax Cable RG 213 should not be longer than 30 m and the loop conductor...

Страница 7: ...op current of 300 mAeff the actual loop can be as long as is wished up to a maxi mum impedance of 75 By higher currents more than 300 mAeff the outputs loop short and loop start have to be used The ma...

Страница 8: ...cted as an in terruption within the loop and are indicated by the red LED Z Z max In the normal load range the green LED O K is lit The detection range is de pendant upon the chosen outputs and curren...

Страница 9: ...omponents on the Vehicle Antenna HG 19534 The antenna and the electronics are built into a casing size 120 x 122 x 91 mm The reading side is the case s top lid The 12 1 pin M3 plug connector points in...

Страница 10: ...very As it can be seen from Figure 6 on page 19 in the annex the course the difference voltage takes between its maxima is on the whole linear The maxima occur in both di rections exact at the point d...

Страница 11: ...sum voltage droops below 40 of the maximum level the difference voltage is multiplied by 2 Those levels are examples They are shown in the annex as three graphs Figure 7 on page 19 to Figure 9 on pag...

Страница 12: ...e generators are not phase rigidity interconnected they make themselves noticed as suspensions within the field To avoid this it is possible to set the fre quencies with 50 Hz steps On the one side th...

Страница 13: ...mm below the guide wire ca 100 mm 3 2 Mounting the loop adaptor HG 94210 The loop adaptor is fitted into an aluminium casing The casing should be earthed as the voltage peak cable is earthed to this c...

Страница 14: ...e the guide wire is kept free of iron obstacles Within this area there should be no large electrically con ductive obstacles It is also important to note that the proportions in this area should not c...

Страница 15: ...requency and current level under the antenna The distance between antenna and guide wire should be set at the smallest distance which will occur when in use e g height above cable 200 mm The differenc...

Страница 16: ...quency 1 check power supply at necessary contacts 2 measure generator current 3 check frequency set ting on generator hex switch Output levels not reproducible Inadequate accu racy level 1 Interferen...

Страница 17: ...Guidance Generator Dimensions Euro cassette 20TE 3HE Plug DIN41612 Type C 64 pin ac equipped see also Table 4 on page 8 Power supply 24 V 5 Power consumption less than 0 7 A Load impedence 0 to 75 by...

Страница 18: ...moderate humidity Mech stress load 5 g 11 ms 2 g 10 to 55 Hz International protection class IP65 Connection 13 pin Schaltbau M3 screw socket with gold plated contacts Nominal reading height 300 mm di...

Страница 19: ...y Sum and Difference Voltage of a crossed coil Figure 6 Induced Voltages in Sum and Difference Antenna B Course taken by Sum and Difference Voltage of a Com pensated Crossed Coil Figure 7 Course of th...

Страница 20: ...ish Date 26 04 2016 20 Figure 8 Course of the Sum Difference Voltage and Right Angular Distance with Height Compensation H 250 mm Figure 9 Course of the Sum Difference Voltage and Right Angular Distan...

Страница 21: ...ion each documents includes a list of contents showing the page numbers following the front If a document exceeds 10 pages it also has a drawings list and a list of tables on the last few pages If req...

Страница 22: ...e used according to the description This instruction manual has been drawn up to the best of our knowledge Installation setup and operation of the device will be on the customer s own risk Liability f...

Страница 23: ...ng Bracket not included in Delivery Package 14 Figure 5 Positions of the Potentiometers 15 Figure 6 Induced Voltages in Sum and Difference Antenna 19 Figure 7 Course of the Sum Difference Voltage and...

Страница 24: ...Table 3 Load Impedance Ranges of the Generator 8 Table 4 Connection plan generator 8 Table 5 Connection Plan of the 1 1 Pin Socket 10 Table 6 Frequency selection over the three Fsel inputs 10 Table 7...

Страница 25: ...57400 4 7 13 17 94210 4 6 13 17 97110 4 I inductive loops 5 installation 12 iron free 13 L loop adaptor 6 connection plan 6 mounting 13 technical data 17 M metallic objects 5 mounting 13 O outdoor env...

Страница 26: ...Index HG G 21934 Revision 04 English Date 26 04 2016 26 W wave resistance 11...

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