File:Tram arrows.JPG

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Original file (1,060 × 1,115 pixels, file size: 158 KB, MIME type: image/jpeg)

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Description
English: Wiring diagrams of modern tram arrows.
  • Above: there is traffic lights on arrow level (HL1...HL3), which shows current position. If driver wants to go to opposite side, he should pass contact CT1 with enabled motor. Enabled motor will switch relay K2 through K1 and place arrow into required position. After passing contact CT1, pantograph will pass aircontact SW1 and block arrow to next trams to avoid derailing. After passing whole arrow, pantograph will hook aircontact SW2 or SW3, which disables derailing protection through relay K4 and next trams may pass the arrow.
  • Below: the same, but radio-contolled; transmitter and receiver.
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Author Dmitry G
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Date/TimeThumbnailDimensionsUserComment
current16:11, 2 January 2011Thumbnail for version as of 16:11, 2 January 20111,060 × 1,115 (158 KB)Dmitry G (talk | contribs)more proper version (derailing protection corrected)
15:51, 2 January 2011Thumbnail for version as of 15:51, 2 January 20111,060 × 1,115 (154 KB)Dmitry G (talk | contribs){{Information |Description={{en|1=Wiring diagrams of modern tram arrows. *Above: there is traffic lights on arrow level (HL1...HL3), which shows current position. If driver wants to go to opposite side, he should pass contact CT1 with enabled motor. Enab

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