1488 Parameter-change-in-execution semantic definition not clear enough
This tissue has following status: blue
Created: 09 Apr 2016
Links: #1464 clarification of Addcause 6
Clause: 188.8.131.52 AddCause – additional cause diagnosis
Paragraph: Table 54 – AddCause semantic
Category: No impact on this part
Issue: In table 54 this addcause semantic is defined as "Control action is blocked due to running parameter change." however it is still not clear enough.
Under which condition is this addcause triggered? what does the "parameter" mean? Is the "parameter" in client control commands (I suppose not, as control cmd param change of origin/ctlNum/... causes "Inconsistent-parameters" in ed2)? or any private parameter in server?
Proposal: Illustrate at least one example to clarify semantic of "Parameter-change-in-execution"
If this addcause applies at all depends on the IED functionality as well as its special implementation.
Example 1: new configuration data is loaded to the IED. As the control functionality depends on this data, it might be blocked during loading, or during restart of the IED after loading.
Example 2: New settings are set. After setting confirmation the IED checks the validity of the settings. During this phase any command e.g. to switch protection LNs off or on might be blocked.
|12 Apr 16
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