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Release: Australia · Updated: 2026-03-12 · Official documentation · View source

Basic OT Change Model playbook

Learn about the Basic Operational Technology (OT) Change Model playbook stages that an OT change without approvals must go through until it’s completed.

Initiate

The Initiate stage of an OT change request lets you capture the details of the requested change and assign the change as necessary. This stage has three tasks.

FieldDescription
Short descriptionBrief description of the change.
DescriptionDetails of the change.
CategoryType of change.
SiteSite where the change takes place.
Watch listUsers who receive notifications about this change when comments are added.
Work notes listUsers who receive notifications about this change when work notes are added.
FieldDescription
PriorityImpact and urgency to identify how quickly the change should be addressed.
RiskAmount of risk that the change poses.
ImpactMeasure of the effect that a change has on your industrial processes.
FieldDescription
Requested byUser who requests the change.
Assignment groupAssigned group that works on the change. The assignment group can be any group with the type OT.
Assigned toUser who works on this change. If the assignment group changes, the Assigned to field is cleared.

Plan

The Plan stage of an OT Change request lets you add a justification for the change, an implementation plan, a risk and impact plan, a backout plan, a test plan, and a time to schedule the change. This stage has six tasks.

FieldDescription
JustificationReason why the change must take place.
FieldDescription
Implementation planDetails of how to implement the requested change.
FieldDescription
Risk and impact analysisDetails of any risk and impact factors that are related to this change.
FieldDescription
Backout planDetails of how to reverse the change in place if necessary.
FieldDescription
Test planDetails of how to test the implemented change.
FieldDescription
Planned start dateDate that the change takes place.Note: You can also choose an available downtime slot on the calendar by selecting the Scheduling Assistant button to fill in the planned start date field automatically.
Planned end dateDate that the change ends.Note: You can also choose an available downtime slot on the calendar by selecting the Scheduling Assistant button to fill in the planned end date field automatically.

Implement

The Implement stage of an OT change request provides the details of the following task. You can mark this stage as complete when it's finished.

  • Perform the change

    Mark as complete when the change is performed on the targeted OT devices and completed.

Close

The Close stage lets you close the change record after the change is completed.

FieldDescription
Close codeReason that the change record was closed.
Close notesAdditional details about closing the change record.

Parent Topic:Select a change model to fulfill change requests