ContextRevalidation Property

General info

Label

Context Revalidation

Description

Determines the period after which a tag context refetch from the source will occur.

Data type

Int32

Default value

1440

Min value

1

Max value

525600

Type

Regular

Code

5220

Symbolic name

MODEL_PROP_CONTEXTREVALIDATION

Lua access code

syslib.model.properties.ContextRevalidation

Available since

1.46

Parent classes: HistoryTransporter

Parent properties: HtmTransporterConfiguration | TransporterConfiguration

Attributes

Name	Tooltip
PROP_CONFIGURABLE	The property is configurable and can be changed with DataStudio and the various inmation APIs.
PROP_VISIBLE	The property is visible in DataStudio and can be read by the inmation APIs.
PROP_HAS_DEFAULT	The property has a default value as standard.
PROP_UNIT	The property has an engineering unit.
PROP_HAS_LOLIMIT	The property has a low limit.
PROP_HAS_HILIMIT	The property has a high limit.

Examples

Read from or write to the ContextRevalidation property.

Lua
C#

-- Read from the ContextRevalidation
syslib.getvalue("<OBJECT FULL PATH>.HtmTransporterConfiguration.ContextRevalidation")

-- Write to the ContextRevalidation
syslib.setvalue("<OBJECT FULL PATH>.HtmTransporterConfiguration.ContextRevalidation", 1440)

TcpConfig tcpcfg = new TcpConfig() { HostNameOrIp = "localhost", Port = 6512 };
SecurityCredentials sc = new SecurityCredentials() { ProfileName = "<username>", Password = "<password>" };
StatelessInterface sli = new StatelessInterface(tcpcfg);

// Read from the ContextRevalidation
Result result = sli.ReadValue(sc, new ReadItem("<OBJECT FULL PATH>.HtmTransporterConfiguration.ContextRevalidation"));
// Write to the ContextRevalidation
Result result = sli.WriteValue(sc, new WriteItem(1440, "<OBJECT FULL PATH>.HtmTransporterConfiguration.ContextRevalidation"));