Prosoft-technology PLX81-EIP-61850 Bedienungsanleitung PDF herunterladen (Seite 86)

Reference PLX8x-EIP-61850 ♦ Communication Gateway

User Manual Server to

IEC 61850 Client

Page 86 of 167 ProSoft Technology, Inc.

July 2, 2015

5.4.3 SNTP/NTP

This section covers the gateway’s implementation of IEC 61850-7-2 Clause 18:

Time and time-synchronization model (SNTP/NTP).

The IEC 61850 driver in the gateway is dependent upon the gateway’s

SNTP/NTP server. The gateway can set it’s time by making periodic requests for

the current time to a Coordinated Universal Time (UTC) system. You can define

a NTP server in ProSoft 61850 Configuration Manager. It must be synchronized

to some known level of accuracy, and the elapsed seconds received by the NTP

server are since a defined Epoch, and the time server shall indicate

LeapSecondsKnown (true or false).

There are two configuration parameters:

 SNTP/NTP server Address

 SNTP/NTP server Update Time (in minutes)

The ProLinx hardware is 17 seconds off per day for a Linux clock. If better time

sync is required, you must perform the setup for the SNTP/NTP time server

either from the internet or local clock that can sync up every one (1) minute as

configured on the gateway.

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Prosoft-technology PLX81-EIP-61850 Bedienungsanleitung Seite 86