Please ensure Javascript is enabled for purposes of website accessibility
Powered by Zoomin Software. For more details please contactZoomin

AVEVA Pipeline Operations for Liquids

Understand Advanced Logic Processor (ALP) alarms and events

Understand Advanced Logic Processor (ALP) alarms and events

  • Last UpdatedApr 24, 2025
  • 2 minute read

The following table provides details for configuring the Advanced Logic Processor (ALP) application alarm/event messages.

Note: The following messages are all alarms that will generate an identical event. The message text can be customized and the alarm severity adjusted. To customize the configuration of an Alarm/Event Message, refer to the msgInfo table row for Alarm/Event Message Identifier of interest. For more information on configuration using the msgInfo table, refer to Volume 1 of the RealTime Administrator documentation.

Alarm/Event

Alarm/Event Message Configuration

Alarm Severity Configuration

Type

Advanced Logic Processor: <ALP Name> has invalid expression input types on row <Row Number>. Primary Input Path is <Primary Input Path Type> and Secondary Input Path is <Secondary Input Path Type>. Please contact your administrator.

ALP_INVALID_INPUT_TYPES

ALP_INVALID_INPUT_TYPES

Alarm & Event

Advanced Logic Processor: <ALP Name> has invalid expression input types on row <Row Number>. Primary Input Path type is <Primary Input Path Type> but Constant Value '<Constant Value>' is not <Type>. Please contact your administrator.

ALP_INVALID_INPUT_AND_CONSTANT_TYPE

ALP_INVALID_INPUT_AND_CONSTANT_TYPE

Alarm & Event

Advanced Logic Processor <ALP Name>: has unsupported type on InputPath <Input Type>. Please contact your administrator.

ALP_UNSUPPORTED_INPUT_TYPE

ALP_UNSUPPORTED_INPUT_TYPE

Alarm & Event

Advanced Logic Processor: <ALP Name> Input configuration has been updated and all expression inputs are valid.

ALP_INPUT_CONFIG_UPDATED

ALP_INPUT_CONFIG_UPDATED

Alarm & Event

Advanced Logic Processor: <ALP Name> has one or more invalid expression inputs. The input will automatically evaluate to true. Please contact your administrator.

ALP_INVALID_EXPRESSION_INPUTS

Base Message

Alarm & Event

Advanced Logic Processor <ALP NAME> expression evaluated to target: <ALP State>

ALP_EXPRESSION_TARGET

Base Message

Alarm & Event

Advanced Logic Processor <ALP Name> manually overridden to target: <ALP State>

ALP_MANUALLY_TARGET

Base Message

Alarm & Event

An unexpected error occurred during the evaluation of the ALP record. Please contact your system administrator.

ALP_UNEXPECTED_EVALUATION

Base Message

Alarm & Event

Failed to command the output point. Please contact your system administrator.

ALP_FAILED_COMMAND_OUTPUT_POINT

Base Message

Alarm & Event