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IDProjectCategoryView StatusDate SubmittedLast Update
000236310000-004: Servicespublic2013-02-12 00:512013-10-10 23:06
ReporterPaul Hunkar Assigned ToMatthias Damm  
PrioritynormalSeverityminorReproducibilityalways
Status closedResolutionfixed 
Product Version1.02 
Fixed in Version1.03 
Summary0002363: Attribute Write service and multiple values
Description

The Write service does not discuss what the expected behaviour would be if the same node/item is in the write list more than once. The service should add a discussion that describes what happens if more than one value is provided. This discussion should include use cases where source timestamps are provided and use cases where they are not provided.
I would recommend that it is allowed and that the write also stipulates that the array of write items is processed in the order that it is provided. If two values are provided than the order will matter.

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Fix Due Date

Activities

Matthias Damm

2013-09-24 22:01

developer   ~0005006

Added the following clarification to the Write service:
The order the operations are processed in the Server is not defined and depends on the different data sources and the internal Server logic. If an Attribute and Node combination is contained in more than one operation, the order of the processing is undefined.

Resolved in document IEC 62541-4 - Services [Pre-CDV] 1.02.03.doc

Jim Luth

2013-10-10 23:06

administrator   ~0005059

Agreed in previous telecom.

Issue History

Date Modified Username Field Change
2013-02-12 00:51 Paul Hunkar New Issue
2013-02-19 18:33 Jim Luth Status new => assigned
2013-02-19 18:33 Jim Luth Assigned To => Matthias Damm
2013-09-24 22:01 Matthias Damm Status assigned => resolved
2013-09-24 22:01 Matthias Damm Resolution open => fixed
2013-09-24 22:01 Matthias Damm Note Added: 0005006
2013-10-10 23:06 Jim Luth Status resolved => closed
2013-10-10 23:06 Jim Luth Note Added: 0005059
2013-10-10 23:06 Jim Luth Fixed in Version => 1.03