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  • PCS-9785 Satellite-Synchronized Clock (Source)

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    The PCS-9785 satellite-synchronized clock is usually used in Substation Automation System(SAS) to satisfy the time unifying requirements of protection relay, disturbance fault recorder and other IEDs. Two kinds of PCS-9785 can be adopted to build a higher reliable and accuracy clock synchronization system in substation. The source clock can receive timing signals from its own GPS/BDS antenna (Master Mode), while the extension clock receives IRIG-B signals from other clock source (Slave Mode).

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  • Remote suspervision
    This device supports local SCADA and remote control centre communication in using of protocols such as IEC 61850 to realize the device running status suspervision.
  • Time service
    This device supports GPS (Global Positioning System) and BDS (BeiDou Navigation Satellite System). In addition, it supports antenna transmission time delay compensation.
  • Output clock synchronization signal

The kinds of output clock synchronization signal is rich, including PPS ( Pulse Per Second ), PPM ( Pulse Per Minute ), PPH ( Pulse Per Hour ), IRIG-B signal, timing message (serial), SNTP/NTP timing message (network), IEEE 1588 signal, etc.

  • Output interface

Various kinds of output interfaces are provided, including RS-484, RS-232, TTL, dry contact, AC modualation, optic fiber, RJ45, etc.

  • Signal reception
    This device provides serveral reception channels for IRIG-B signal via its optical port or RC-485/422 port. In addition, it supports link-based reception time delay compensation.
  • High accuracy
    The device accuracy is high in long term. The punctual error is less than 1us per hour.
  • IEEE 1588 protocol
    This device supports the IEEE 1588 protocol (BC mode and OC mode)for clock synchronization.
  • SNTP/NTP protocol
    This device supports the SNTP/NTP protocol and can work as a network time server.
  • Recording
    Automatically, this device stores all the self-diagnostic record, binary status change and service log in its internal storage.This device supports local SCADA and remote control centre communication in using of protocols such as IEC 61850 to realize the device running status suspervision