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A Incorrect Momentary Threshold is Used When There are Two Device Operations in Rapid Succession (Doc ID 2578135.1)

Last updated on AUGUST 23, 2019

Applies to:

Oracle Utilities Network Management System - Version 2.3.0.2.0 and later
Oracle Network Management for Utilities - DMS - Version 2.3.0.2.0 and later
Information in this document applies to any platform.

Symptoms

An incorrect momentary threshold is used when there are two device operations in rapid succession

An issue is found with momentary thresholds when testing device operations on two devices that have parallel between them.


The issue can be reproduced at will with the following steps:

Two devices that have parallel between them.

One device is a tie switch with a 15s momentaryThreshold.
The other device is a breaker with a 75s momentaryThreshold.

  1. If an OPEN is sent in for the tie switch, a pending flag is displayed and the device opens in ~15s.
  2. If an OPEN is sent in for the tie switch, followed immediately by an OPEN for the breaker, each device has a pending flag and the tie will open in ~15s and the breaker in approx ~75s.
  3. If an OPEN is sent in for the breaker, followed immediately by an OPEN for the tie switch, each device has a pending flag and both devices will open in ~75s.  It seems that the momentary threshold for the breaker is being used for the tie switch in this case.



Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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