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AVEVA Enterprise SCADA

State message sets

  • Last UpdatedApr 24, 2025
  • 2 minute read

The RealTime database (RTDB) uses message sets to configure the appearance of state-related messages.

Telemetered tables (analog, rate, remote, connection, and status) rely on the definitions in the Message table to provide the following:

  • Text messages associated with the current state of a point.

  • Color, which is used with dynamic values in the table summaries and displays.

  • Alarm severity information, which is used in the presentation of alarms in easy eXtended Operator Station (ezXOS).

The "base + offset" scheme is used to access various state messages that apply to a given device. During configuration of a telemetry record, a base message is specified in the Base Message field. To generate a message, use the record defined in the Base Message field plus an offset determined by the state of the device.

Message sets are used to define states that apply to particular situations. For example, specific names for hardware components may be used in defining applicable states for these components.

Notes: Alarms may be generated for each of the states in the Message table. The state names defined in a message set are shown in the alarm and event messages.

The following table shows the message sets that are used.

Set used for analog and rate records

Sets used for remote records

Sets used for connection records

Sets used for omnicomm records

Base Message

analog

rtu

conmsg

omnicomm

Record # 1

Normal

No Reply

No Connection

Inactive

Record # 2

High

Normal

Connected

Startup

Record # 3

High

Normal

Connected

Active

Record # 4

Low

Security Error

Connecting

Shutdown

Record # 5

Deviation

Long Message

Failed

Record # 6

High-High

Short Message

Error

Record # 7

Low-Low

Wrong Remote

Retry

Record # 8

Instrument fail high

Offline

Normal

Record # 9

Instrument fail low

SBO Rly Fail

Bad Message

Record # 10

Rate of Change

Database Error

Poll Cycle

Record # 11

Off Scan

Offline

Record # 12

Illegal Message

Config Error

Record # 13

SBO Select Fail

Unavailable mdm

Record #14

Line Failure

Reservation mdm

Record #15

Hang-up mdm

Record #16

TX Error

Record #17

TX Short

Record #18

RX Error

Record #19

RX Short

Record #20

RX None

Record #21

Success