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Application Note

How to enable SNTP on a CMC Test Set

Author Stephan Geiger | stephan.geiger@omicron.at

Date Feb 15, 2011

Related OMICRON Product CMC Test Sets

Application Area IEC 61850

Keywords SNTP, CMEngine

Version v0.1

Document ID ANS_11006_ENU

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Content

1 Introduction ..................................................................................................................................... 3 2 SNTP Commands ............................................................................................................................ 3

Please use this note only in combination with the related product manual which contains several important safety instructions. The user is responsible for every application that makes use of an OMICRON product. OMICRON electronics GmbH including all international branch offices is henceforth referred to as OMICRON. OMICRON 2011. All rights reserved. This application note is a publication of OMICRON.

All rights including translation reserved. Reproduction of any kind, for example, photocopying, microfilming, optical character recognition and/or storage in electronic data processing systems, requires the explicit consent of OMICRON. Reprinting, wholly or in part, is not permitted.

The product information, specifications, and technical data embodied in this application note represent the technical status at the time of writing and are subject to change without prior notice.

We have done our best to ensure that the information given in this application note is useful, accurate and entirely reliable. However, OMICRON does not assume responsibility for any inaccuracies which may be present. OMICRON translates this application note from the source language English into a number of other languages. Any translation of this document is done for local requirements, and in the event of a dispute between the English and a non-English version, the English version of this note shall govern.

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1 Introduction A GOOSE generated by a CMC Test Set can also be synchronized to an external time reference using SNTP. This Application Note describes how this function is enabled/disabled.

2 SNTP Commands For enabling and disabling SNTP on a CMC Test Set CMEngine commands are used. Therefore first start the CMEngineTestConsole program, which is located in the installation folder of Test Universe in the Apps subfolder. C:\Program Files\OMICRON\Test Universe\Apps\CMEngineTestConsole.exe

Figure 1: The CM Engine Test Console

As a next step, scan for the CMC Test Sets in the network, select the appropriate device from the list and lock it. Important: The CMC Test Set has to be associated to the user's PC, otherwise no device will be found.

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Figure 2: The CMC Test Set found and locked

Now the command for enabling SNTP has to be issued, which is as follows: sys:sntp:on("time.omicron.at",300) Between the quotation marks, the SNTP server has to be defined. The value behind the comma (300) defines the refresh rate in seconds. 300 seconds are the minimum, 86400 seconds the maximum. Note that it is only possible to define a domain for the SNTP server if a domain name server (DNS) is configured. Otherwise the SNTP server has to be defined by the IP address, which e.g. would look as follows: sys:sntp:on("172.22.100.1",300)

Figure 3: Enabling SNTP

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After issuing this command, SNTP should be active. With the following command the status can be queried: sys:sntp:status? As a result the CMC Test Set generates something like this: 1 , t i m e . o m i c r o n . a t , 3 0 0 , 1 , 1 , 6 , 6 . 3 0 4 0 0 ;

Figure 4: SNTP status result

For turning of the SNTP function this command must be issued: sys:sntp:off

Figure 5: SNTP turned off

Device ID Last update time in s

Last sync OK

Status (ON/OFF)

Refresh time in s

SNTP server

Offset time in ms

OMICRON is an international company serving the electrical power industry with innovative testing and diagnostic solutions. The application of OMICRON products provides users with the highest level of confidence in the condition assessment of primary and secondary equipment on their systems. Services offered in the area of consulting, commissioning, testing, diagnosis, and training make the product range complete.

Customers in more than 140 countries rely on the company's ability to supply leading edge technology of excellent quality. Broad application knowledge and extraordinary customer support provided by offices in North America, Europe, South and East Asia, and the Middle East, together with a worldwide network of distributors and representatives, make the company a market leader in its sector.

Europe, Middle East, Africa OMICRON electronics GmbH Oberes Ried 1 6833 Klaus, Austria Phone: +43 5523 507-0 Fax: +43 5523 507-999 info@omicron.at

Asia-Pacific OMICRON electronics Asia Limited Suite 2006, 20/F, Tower 2 The Gateway, Harbour City Kowloon, Hong Kong S.A.R. Phone: +852 3767 5500 Fax: +852 3767 5400 info@asia.omicron.at

Americas OMICRON electronics Corp. USA 12 Greenway Plaza, Suite 1510 Houston, TX 77046, USA Phone: +1 713 830-4660 +1 800-OMICRON Fax: +1 713 830-4661 info@omicronusa.com

For addresses of OMICRON offices with customer service centers, regional sales offices or offices for training, consulting and commissioning please visit our web site. www.omicron.at www.omicronusa.com

1 Introduction2 SNTP Commands

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