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Radio Design Labs TX-VCR Video Controlled Relay - BNC

  • Lifetime Tech Support
  • Best Seller!
  • Q & A
  • Product Highlights
  • 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
Power Supply
Retail Price: $195.59 Instant Savings: -$53.39 You Pay: $142.20 QTY
  • Lifetime Tech Support
  • Best Seller!
  • Q & A
  • Product Highlights
  • 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

Video Controlled Relay - BNC

Overview

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 Ω 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.

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

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

Specifications

  • 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 Ω connected load or with 75 Ω 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 C to 55 C

Documents

Q & A

Brand
Radio Design Labs
Model
TX-VCR
MFR Part Number
TX-VCR
UPC
813721016041
Product Category
Video Switching & Distribution
Unit of Measure
EACH
Shipping Weight
0.33 lbs.
Page Views
4663
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