WriteTagValue (RT Unified) - WinCC Unified

WinCC Unified Open Pipe (RT Unified)

ft:publication_title
WinCC Unified Open Pipe (RT Unified)
Product
WinCC Unified
Version
V20
Publication date
06/2025
Language
en-US
WriteTagValue

Description

The "WriteTagValue" command writes a value to a single tag.

When the transferred tag value contains a line break (\n), only the partial string in front of the line break is written to the tag.

Request

WriteTagValue <Tag> <Value>

For example: WriteTagValue Motor.Label MC001

Response

OnSuccess (or partial success):

NotifyWriteTagValue <Tag>

For example: NotifyWriteTagValue Motor.Label

OnError:

ErrorWriteTagValue <Tag> <Error text>

For example: ErrorWriteTagValue Motor.Label Tag does not exist