Yearly Maintenance Contracts for Plant Control Systems
TDL looks after plant control systems under yearly maintenance contracts: scheduled preventive maintenance visits, program and drive-parameter backups compared with the last baseline, on-call support and control system changes on demand, at FMCG, food and electronics plants since 2012.
What a yearly contract covers
Scheduled maintenance visits
Preventive maintenance visits on a fixed yearly plan, with a report after every visit.
Project references: 2014–ongoing – URC Vietnam – Yearly Maintenance of Drives and Control Systems · 2025–ongoing – SEHC – FMCS and PMS Maintenance and Integration
Backups and baseline comparison
PLC, HMI and SCADA programs and drive parameters uploaded and compared with the previous baseline.
Project references: 2014–ongoing – URC Vietnam – Yearly Maintenance of Drives and Control Systems
PLC and server health checks
Controller, power supply, firmware and redundancy checks, cabinet and wiring checks; server and workstation checks with OS and SCADA backups and restore tests.
Project references: 2025–ongoing – SEHC – FMCS and PMS Maintenance and Integration
Drives of many brands
Yearly service of variable-frequency drives and soft starters, Allen-Bradley and other manufacturers.
Project references: 2014–ongoing – URC Vietnam – Yearly Maintenance of Drives and Control Systems
On-call support
Unscheduled troubleshooting when production needs it, on site or remotely, as agreed in the contract.
Project references: 2012–ongoing – P&G Vietnam Dong An – Yearly Maintenance and Control System Modification · 2014–ongoing – URC Vietnam – Yearly Maintenance of Drives and Control Systems
Changes and upgrades on demand
PLC, HMI and SCADA changes, line upgrades and migrations ordered under the contract as work orders.
Project references: 2012–ongoing – P&G Vietnam Dong An – Yearly Maintenance and Control System Modification · 2024–2025 – P&G Vietnam Dong An – Packing Line Control System Modernization · 2024–ongoing – P&G Vietnam Dong An – Network Discovery and Control System Modernization
Related services
Breakdown Support & Lifecycle Services
Line down? Breakdowns go to the front of our queue: fast troubleshooting on site or remotely, program fixes and replacement Allen-Bradley parts to get production running again. Also commissioning, preventive maintenance, PLC backup and version control (FactoryTalk AssetCentre), vibration monitoring and training on Rockwell Automation and AVEVA software.
PLC & Control System Migration
Allen-Bradley PLC-5, SLC 500 and MicroLogix, Siemens S5 and HIMA systems upgraded to ControlLogix and CompactLogix; ControlNet and DeviceNet to EtherNet/IP; older HMI/SCADA (RSView32, Citect, PanelView) to FactoryTalk View and PanelView Plus 7. Drive upgrades: DC drives to PowerFlex, legacy servo drives to Kinetix. Site survey, code conversion, FAT/SAT and planned cut-over, onshore and on offshore platforms.
Project references
- 2025–ongoing – SEHC – FMCS and PMS Maintenance and IntegrationYearly maintenance · ControlLogix firmware and redundancy · AVEVA System Platform · 37 PLCs
- 2014–ongoing – URC Vietnam – Yearly Maintenance of Drives and Control SystemsYearly maintenance since 2014 · 200+ drives of many brands · PLC and SCADA backups
- 2012–ongoing – P&G Vietnam Dong An – Yearly Maintenance and Control System ModificationYearly maintenance since 2012 · making and packing lines · changes and upgrades on demand
Looking for a yearly maintenance contract for your plant?
Send your RFQ, scope of work or drawings to our sales team.
Email sales@tdl-ia.com.vn Hotline · Urgent breakdown support
See also: Oil & gas · PLC-5 & SLC 500 migration · Manufacturing & machine builders · Breakdown support & maintenance · ICSS & safety systems · SCADA & historian · Industrial networks & OT security · Control panel engineering · Machine builders & package vendors · Rockwell Automation (Allen-Bradley) · Vibration monitoring · Ex control panels (hazardous areas) · Batch control (FactoryTalk Batch)