Content
# HMI_Scope_of_Work_Estimate.pdf
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## Summary
The file details a scope of work and time estimate for recreating existing HMI operator interface screens onto a new HMI platform for Culligan. It covers rebuilding screens related to system status, timer configurations, manual controls for washers, conveyors, and fillers, as well as I/O diagnostics, maintaining existing PLC tag structures without adding new features. The estimate includes 32.5 engineering hours focused on functional screen recreation excluding PLC logic changes, numeric keypad popups, and onsite commissioning.
## Content
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HMI Screen Recreation – Scope of Work & Estimate
Project Overview
This project includes recreation of the existing operator interface screens from the current HMI
platform to a new manufacturer’s HMI system. Operational, timer configuration, manual control, and
I/O diagnostic screens will be rebuilt to match existing functionality. Numeric keypad popup is
excluded.
1. Project Setup – 2.0 Hours
•
Create new HMI project
•
Establish PLC communications
•
Create base tag structure
•
Configure global styles and navigation template
2. Main Production Screen – 2.5 Hours
•
System status display
•
Mode selection controls
•
Bottle counts and totals
•
Reset buttons and indicators
3. Timers Menu – 1.0 Hour
•
Navigation buttons to timer pages
•
Footer navigation
4. Timer Configuration Screens – 11.0 Hours
•
Auto-Load Timers
•
Wash Valves Setup
•
Auto-Unload Timers
•
Filler / Capper Timers
•
Fill Adjust Timers (5 Gal & 3 Gal)
5. Washer Manual Control Section – 6.0 Hours
•
Washer Manual Menu
•
Auto-Load Controls
•
Valve Controls
•
Auto-Unload Controls
6. Conveyor Manual Screen – 1.0 Hour
•
Index and Jog controls
7. Filler Manual Screen – 2.5 Hours
•
Cylinder and solenoid controls
•
Command/state handling
8. Adjust Clock Screen – 1.5 Hours
•
Date and time entry fields
•
System time write handling
9. I/O Diagnostic Screens – 4.5 Hours
•
I/O Overview Screen
•
Inputs I:0/XX
•
Inputs I:1/XX
Total Estimated Engineering Time: 32.5 Hours
Assumptions
•
Existing PLC tag structure remains unchanged
•
No new functionality beyond current screens
•
Functional recreation with minor cosmetic differences possible
•
Numeric keypad popup excluded
•
Testing limited to functional verification
Exclusions
•
PLC logic modifications
•
New features or additional screens
•
Alarm history redesign
•
Onsite commissioning unless separately approved
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