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AVEVA Enterprise SCADA

Rtstring table details

  • Last UpdatedApr 24, 2025
  • 3 minute read

Each record in the rtstring table represents an ASCII set of characters that have been retrieved from a field device. The rtstring table contains the following internal fields:

Internal Field Name

Data Type

Description

controlscan.external

IOspecString

The poll type.

controlscan.freq

unsigned int

The time it takes to feedback scan (duration).

controlscan.interval

unsigned int

The time (in seconds) between each scan.

dataset

doas_dset_slot

This field indicates the dataset to which the record is assigned. Datasets are used to associate the record with the privileges assigned for each system mode. Once a record is assigned to a dataset value, the dataset can only be changed to a value for which the system has a privilege record.

description

description

A description of this rtstring point, up to 47 characters in length.

devtmr

unsigned short

The timeout (in seconds) after which the system generates a command failure alarm for a value that is still not within the setpoint tolerance limits.

displayOrder

int

This field is used for display purposes. It would only be used if the nomination information were being represented on a station template object. It is only relevant to systems that have this optional software component. Unless you specifically use the Display Framework, the value is not used.

The default value is 0.

enable_change_events

oas_boolean_t

Enable this field to generate event messages whenever the current value changes.

flag

flags

For information on the flag structure, see Flag structure details.

group

groupslot

This field shows the group that this point is associated with for alarming.

ignore_cmd_feedback

oas_boolean_t

When selected, no command warning tags will be placed on the point and no command timeout alarms will generated after the command is successfully sent to the remote device. The settings for fields devtmr and lgcmsc will be ignored.

input

oas_boolean_t

Set the point's current value field?

lgcmsc

oas_boolean_t

Record successful commands in the event log?

mappingFlag

unsigned int

The 32-bit integer value used to map this point to a non-AVEVA Enterprise SCADA system.

name

pntname

The unique name of this rtstring record. The name can be up to 32 characters in length.

pointClass

configenumslot

The Point Class category contains multiple configuration enumerations used for categorical configuration of points.

pointSubClass

configenumslot

Point Sub Class is a configurable enumeration category used for categorical configurations, but you cannot use this for configurable alarms and events.

output

oas_boolean_t

Configure output commands?

rtu

remoteslot

Name of the remote that is associated with this field device.

shortDesc

stn_str32

A brief description of the record.

station

stationslot

The name of the associated station record.

strin.iospec.external

IOspecString

The coordinates where the data is mapped within the remote.

strin.iospec.pollGroup

longstring

A text string that may consist of multiple comma-separated values to define the frequency at which to poll groups to which the point belongs.

strin.iospec.rtstring_length

unsigned short

The number of characters in the string.

strout.iospec.external

IOspecString

The coordinates where the data is mapped within the remote.

strout.iospec.rtstring_length

unsigned short

The number of characters in the string.

timout

Secondtimerslot

Secondtimer slot number that is associated with this point for command failure detection.

value_override

longstring

Strings written to this field will be processed into the curval field. The maximum string length is 255 characters. If the string exceeds the maximum length, it will be rejected. If a point is configured to be able to send commands (for example, the output is enabled), the string will be rejected.

useDeviceDQ

oas_boolean_t

When enabled, downstream krunch processes will base freshness on the data quality of the point when krunching the current value of the point.

wellunit

pntname

This field is used by Display Framework, a separately acquired product.

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