GPS / GNSS Time Servers
GPS Receiver and Time Distribution Unit

VCL Products > GPS to IRIG-B, GPS to 1PPS Servers > VCL-2705, GPS Receiver and Time Distribution Unit
GPS Receiver
GPS Receiver
GPS Receiver
GPS Receiver

VCL-2705, GPS Receiver and Time Distribution Unit

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The VCL-2705 GPS Receiver and Time Distribution Unit is a compact and cost-effective solution to provide 3 commonly used types of IRIG-B outputs to make it suitable in any application which requires an IRIG-B time input. This solution is designed to work in harsh environments including outdoor control enclosures. Meets IEEE C37.90 and IEC 61850-3 standard for robustness. Suitable for utility applications including relay event correlation and other high-accuracy timing requirements. Un-Modulated IRIG-B outputs with ±400ns accuracy to meet the requirements for existing and future timing applications.

GPS Receiver Time Distribution IEEE C37.90 IEC 61850-3

Features and Highlights:

  • 1 x 1 PPS Out (50 Ohms BNC)
  • 1 x IRIG-B Unmodulated coaxial output (50 Ohms BNC- Female), 5V DC Shifted
  • 1 x IRIG-B Unmodulated differential pair output (RS485, Terminal)
  • 1 x IRIG-B Unmodulated twisted pair output (RS232, Terminal)
  • GPS Accuracy: <100ns when locked with GPS or GNSS
  • IRIG-B Accuracy: better than ±400ns
  • 12V ~ 60V DC Power Supply input
  • 1 x 3-pin (NO, NC & COM) External Dry Contact Alarm and Control Contact.
  • Un-Modulated IRIG-B Format: B000, B002, B003, B004.

Block Diagram:


GPS Receiver and Time Distribution Unit

GPS/GNSS Receiver Specifications:

  • 50 Channel GPS Receiver/ 72 Channel GNSS Receiver
  • GPS L1 frequency, C/A Code Receiver
  • Tracks up to 12 / 24 satellites in GPS /GNSS mode
  • Synchronizing Time: Hot Start (1 sec.), Warm Start (28 sec.) and Cold Start (28 sec.)
  • GPS Signal: Tracking and Navigation: -162dBm
  • Accuracy of Time-Pulse Signal referenced to GPS: ±30ns
  • Accuracy of Time-Pulse Signal referenced to GNSS: ±20ns
  • Automatic Leap Year Correction and Learning

Antenna Specifications:

  • Antenna Type: Active
  • Frequency Band: 1575.42MHz
  • Amplifier Gain: 38dB (supports up to 50 meters of LMR 240 antenna cable)
  • VSWR:<2.0Max, 1.0 Typical
  • Operating temperature: -20°C to +60°C

Synchronization Inputs:

  • 1 x GPS / GNSS (TNC)

Chassis:

  • DIN Rail Mounting. Ruggedized Aluminum Chassis.

Electromagnetic Standards Compliance:

  • EN 50081-2
  • EN 50082-2
  • IEC 61000-6-2 (Immunity)
  • IEC 61000-6-4 (Emission)
  • Complies to IEEE and IEC standards

CE Compliance:

  • Low Voltage Directive 2014/35/EU
  • Electromagnetic Compatibility 2014/30/EU

Other Regulatory Compliances:

  • RoHS
  • CE Marking
  • Complies with FCC Part 68 and EMC FCC Part 15
Mechanical Drawing (PDF)

Valiant Communications is an ISO 9001:2015, ISO 10001:2018, ISO 14001:2015, ISO 27001:2013 and ISO 45001:2018 certified equipment manufacturer.

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