FB_MTP_StringReportValue

FB_MTP_StringReportValue 1:

The function block FB_MTP_StringReportValue makes the input variable TextIn of a manual operation (e.g. via OPC UA) available for documentation (output Text). This value is assigned to exactly one service. Within this service, it can be assigned to one or more procedures.

Freezing the value

The value Text can be frozen via the higher-level service (see FB_MTP_ServiceControl). If the input value TextIn changes more than once during this time, it is signaled at output MissedValue = TRUE.

Further characteristics

Name of the object

Object description

WQC

FB_MTP_StringReportValue 2: Inputs

Name

Type

Description

OPC UA access

TagName

STRING

Name of the interface

-

TagDescription

STRING

Description of the interface

-

WQC

BYTE

Worst Quality Code

Read

TextIn

STRING

Input text

-

FB_MTP_StringReportValue 3: Outputs

Name

Type

Description

OPC UA access

MissedValue

BOOL

Change of the input value TextIn during the freezing of Text:

1: The input value TextIn has changed at least twice since freezing.

0: The input value TextIn has not changed more than once since freezing.

Read

Text

STRING

Value that is made available via OPC UA.

Read