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RDL TX-VCR Video Controlled Relay - BNC

 
  • Dale #:

    RDL-TXVCR
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  • This item is not in stock and needs to be ordered from the manufacturer. Your payment will be charged after completing checkout. We will strive to ship as soon as possible, pending availability.

Please Note: requires PS-24AS Power Supply (sold separately)

Description

The TX-VCR is the ideal choice in installations where a control signal is needed based on the absence or presence of valid video signals. The unique power supply input allows the TX-VCR to be powered from a wide variety of existing ac or dc power sourcesThe TX-VCR has one video INPUT and a LOOP O... Read More

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Description

The TX-VCR is the ideal choice in installations where a control signal is needed based on the absence or presence of valid video signals. The unique power supply input allows the TX-VCR to be powered from a wide variety of existing ac or dc power sources

The TX-VCR has one video INPUT and a LOOP OUT video jack. The detection circuit bridges a 1V video line. The TX-VCR may be inserted in a video line with the loop-through video output feeding a terminated load. It may alternatively be installed at the end of a video line by installing a 75 ohm terminator to the LOOP OUT video jack. The terminator is supplied with the TX-VCR.Video detection is based on valid sync signals. The TX-VCR responds to valid NTSC or PAL sync while ignoring 50 Hz and 60 Hz hum and related induction artifacts. The TX-VCR is able to detect signals as weak as 0.5 V p-p. When a valid signal is detected, the relay contacts close. Both a normally-open and normally-closed contact are provided, permitting the module to be connected as a video-present detector or as a video-loss detector. The front-panel SYNC LED lights when valid video is being detected.
    Features:
  • Detect Video Presence
  • Detect Loss of Video
  • Bridging or Terminated Operation
  • Detection of NTSC or PAL Signals
  • Dry-Contact Outputs
  • Operation from AC or DC Power

If a local or remote loss of video audible alert is needed, the TX-VCR may be wired to an RDL BZR.

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Product Specs

Input:BNC, ground-referenced
Input Level:0.5 V p-p video to 1 V p-p video
Output:LOOP OUT, BNC, ground-referenced (Output must be terminated with 75 connected load or with 75 terminator supplied)
Control Output:N/O or N/C relay contacts
Relay Contacts:Single-pole/double-throw
Maximum Switching Power:60 W (220 Vdc, 125 Vac, 2A)
Power Requirement:GROUND-REFERENCED, 12 to 33 Vdc or 12 to 24 Vac, @ 75mA
Ambient Operating Environment:0 degrees C to 55 degrees C

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