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Control system health check
An on-site check of controllers, I/O, HMI, network, backups and product lifecycle — resulting in a report with prioritized actions.
Scope
- Check of controller/module status, accumulated faults, CPU/network load
- Lifecycle check (active/EOL) of each catalog number in use
- Check of backups, versions and access rights
- Report: condition, risks, recommended actions by priority
- Review of findings with maintenance
Not included
- Corrective work and equipment replacement (quoted separately based on the report)
What the plant prepares
- Device list and the number of panels/PLCs to be checked
- A maintenance staff member accompanying TDL
| Duration | Confirmed after a survey — TDL states the scope and number of days before work starts |
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| Price | Quoted per scope after the survey |
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The health check covers controller and module status (accumulated faults, CPU load, network load), the Rockwell lifecycle status of each catalog number in use (Active / Active Mature / End of Life / Discontinued), backups and access rights, and ends with a report of recommended actions in order of priority, reviewed with maintenance. The report can serve as the basis for planning and budgeting replacements.
Related project: P&G Vietnam Dong An plant – audit of 100+ control systems and line-by-line modernization.
Related services:
Breakdown support & maintenance Lifecycle review and spare parts
Related technical articles
- Major faults on ControlLogix, CompactLogix and GuardLogix: reading Type/Code and what to check
- MicroLogix 1500 faults: FAULT LED, S:6 major error code and how to get back to RUN
- Upgrade Paths for Legacy Allen-Bradley Systems: SLC 500, MicroLogix, 1768, PanelView, FLEX I/O, ControlNet
- CompactLogix 1769-L31, L32E, L35E, L23E end of life — migration path to 5370/5380
- 1756-ENBT end of life — replace with 1756-EN2T, EN2TR or EN4TR?
All service packages (11)
