Feature #5088: Clarifications on the local/remote concept 8/8 - IEC 61850 User Feedback Task Force - UCAIug Issue Tracking System

Feature #5088

Clarifications on the local/remote concept 8/8

Added by Carlos Rodriguez del Castillo over 3 years ago. Updated over 1 year ago.

Status:

Resolved

Priority:

Normal

Assignee:

Tom Berry

Category:

Standard clarification required

Start date:

09/20/2021

Due date:

01/20/2022 (over 2 years late)

% Done:

Estimated time:

ID:

Source:

TF Unique ID:

12 # MH

WG10 Proposal:

Estimated Completion:

Discuss in Upcoming Meeting:

To discuss in WG10:

Short Proposal:

Standard(s):

IEC 61850-7-4 Ed2.1 ,7-5

Needs More Information:

Assigned TF:

Description

Annex B, Table B.1 states that "Manual Control at switch (process)" was always allowed. Isn't it the status of a control switch modelled as XCBR.LocKey="true" which releases the manual control at the switchgear? As long as this control switch is not activated, manual control is not possible. To prevent from switchgear controls other than local during this time, as long as XCBR.LocKey="true", no control issued by the IED is accepted.

Related issues

Updated by Carlos Rodriguez del Castillo over 3 years ago

Due date set to 01/20/2022

Updated by Vladan Cvejic almost 3 years ago

Related to Feature #5081: Clarifications on the local/remote concept 1/8 added

Updated by Vladan Cvejic almost 3 years ago

Status changed from New to In Progress

Updated by Vladan Cvejic almost 3 years ago

Status changed from In Progress to Resolved
Discuss in Upcoming Meeting changed from Yes to No

Updated by Tom Berry almost 3 years ago

Proposed clarification:
In part 7-4 "Manual Control at switch (process) is always allowed" means a mechanical action, independent of the IED status.

Part 7-4 states that if XCBR.LocKey="true", then commands received via IEC 61850 control services will be blocked.
to add:
If XCBR.LocKey="true", then the IED may process control requests received directly by the IED, e.g. from the IED front panel HMI or push-buttons wired directly to the IED. There may be proprietary settings to enable or disable this feature.