HUAKONG | EXISTING-SYSTEM CHANGE CHECKLIST
Blank planning aid; this is not an instruction to operate or overwrite equipment.

1. BASELINE
Equipment / application:
PLC and HMI model:
Engineering-software versions:
Available current source files and drawings:
Who has permission to review and change the source:
Backup / restoration responsibility:

2. REQUIRED CHANGE
Current behaviour:
Required new behaviour:
Affected modes, parameters, sequences and screens:
Third-party interfaces affected:
Functions that must remain unchanged:

3. TEST CONDITIONS
Checks possible without the installed machine:
Hardware available for testing:
Checks that require the actual installation:
Authorised onsite operator / responsible person:
Approved intervention window, where applicable:

4. AGREED DELIVERY
Files, comments, tag lists and notes to deliver:
Relevant runtime licences or third-party restrictions:
Acceptance criteria for the new requirement:
Regression checks for retained functions:
Open observations and responsible parties:
How later scope changes will be agreed:

Do not enter passwords, network-access credentials or customer-confidential source code here. Share detailed files through an agreed channel. Completing this checklist does not send data or authorise any work on a live machine.
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