UnsubscribeAlarm (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
UnsubscribeAlarm

Description

The "UnsubscribeAlarm" command unsubscribes the alarms from monitoring that was started with the cookie transferred in the call of "SubscribeAlarm".

Request

{"Message":"UnsubscribeAlarm","ClientCookie":"<Cookie>"}

For example:

{"Message":"UnsubscribeAlarm","ClientCookie":"CookieForSubscribeAlarms123"}

Response

OnSuccess

{"Message":"NotifyUnsubscribeAlarm","ClientCookie":"<Cookie>"}

For example:

{"Message":"NotifyUnsubscribeAlarm","ClientCookie":"CookieForSubscribeAlarms123"}

OnError

{"Message":”ErrorUnsubscribeAlarm","ErrorCode":<Value>,"ErrorDescription":"<Error text>", "ClientCookie":"<Cookie>"}

For example:

{"Message":"ErrorUnsubscribeAlarm","ErrorCode":-2147483621,"ErrorDescription":"Subscription could not be closed", "ClientCookie":"CookieForSubscribeAlarms123"}