Legacy System
Migration & Maintenance
Legacy System
Migration & Maintenance
Legacy System
Migration & Maintenance
Ensuring Reliability & Efficiency
Unplanned system failures, outdated control systems, and inadequate maintenance can result in costly production downtime, cybersecurity vulnerabilities, and performance inefficiencies. We offer PLC, DCS, Smart SCADA migration and upgradation, preventive maintenance, and breakdown support to help manufacturers achieve control system maintenance service with maximum uptime and system reliability.






Products and Technology Expertise
Major Risks Without Proper System Upgrades & Maintenance
Major Risks Without Proper System Upgrades & Maintenance
Unplanned Downtime & Production Losses
Unplanned Downtime & Production Losses
Unexpected breakdowns disrupt operations, leading to significant financial losses.
Performance Degradation
Performance Degradation
Inefficient systems slow down throughput, increase cycle times, and impact product quality.
Inefficient systems slow down throughput, increase cycle times, and impact product quality.
High Maintenance Costs
High Maintenance Costs
Reactive maintenance leads to increased expenses due to emergency repairs and system failures.
Reactive maintenance leads to increased expenses due to emergency repairs and system failures.
Obsolescence & OT Connectivity Issues
Older automation systems often lack IIoT, remote monitoring, and predictive maintenance capabilities, limiting efficiency and scalability.
Obsolescence & OT Connectivity Issues
Older automation systems often lack IIoT, remote monitoring, and predictive maintenance capabilities, limiting efficiency and scalability.
Legacy System Migration & Upgradation Services
Legacy System Migration & Upgradation Services
Legacy System Migration & Upgradation Services
Our structured and systematic approach ensures that PLC upgrade services, DCS migration, and legacy system migration and upgradation are executed efficiently and in line with industry best practices.
Our structured and systematic approach ensures that PLC upgrade services, DCS migration, and legacy system migration and upgradation are executed efficiently and in line with industry best practices.
Engineering Documentation & Design
Engineering Documentation & Design
- Reviewing and marking up existing engineering drawings for migration 
- Updating existing drawings aligned with current DCS/PLC programming services 
- Preparing Flow diagrams based on control philosophy 
- Compiling I/O lists for seamless integration 
- Reviewing and marking up existing engineering drawings for migration 
- Updating existing drawings aligned with current DCS/PLC programming services 
- Preparing Flow diagrams based on control philosophy 
- Compiling I/O lists for seamless integration 
Logic & Functional Design Development
Logic & Functional Design Development
- Designing logic diagrams 
- Developing Interlock Narrative Documents 
- Crafting flowcharts for process control visualization 
- Designing logic diagrams 
- Developing Interlock Narrative Documents 
- Crafting flowcharts for process control visualization 
System Integration and Programming
System Integration and Programming
- Application development for PLC, SCADA, HMI and DCS programming as per updated design engineering documents 
- Integration with third-party systems such as Vision, Robots, MES, Nutrunner, Scanner etc. 
- Application development for PLC, SCADA, HMI and DCS programming as per updated design engineering documents 
- Integration with third-party systems such as Vision, Robots, MES, Nutrunner, Scanner etc. 
Panel Design and Wiring
Panel Design and Wiring
- Retrofitting existing panels as per upgraded engineering design 
- Design of new panels as per upgraded engineering design 
- Retrofitting existing panels as per upgraded engineering design 
- Design of new panels as per upgraded engineering design 
Testing and Quality Assurance
Testing and Quality Assurance
- Conducting Pre-FAT and FAT (Factory Acceptance Testing) to validate system performance before deployment 
- Conducting Pre-FAT and FAT (Factory Acceptance Testing) to validate system performance before deployment 
Control System Maintenance Services
Control System Maintenance Services
Ensuring reliability and system longevity requires a robust maintenance strategy. Trimasys provides both preventive maintenance (AMC) to reduce failures and breakdown maintenance to address issues immediately.

Preventive Maintenance – Avoid Failures & Optimize Performance
Our preventive maintenance services focus on protecting your control systems and improving efficiency to prevent unexpected breakdowns.
Ensuring Proper Backup
Regularly backing up DCS/PLC programming and configurations to prevent data loss.
Detailed Engineering Design
Creating comprehensive documentation to streamline future system updates and troubleshooting.
Performance Enhancement
Regular monitoring and optimization of system parameters to improve reliability and efficiency.
Control System Health Monitoring
Periodic monitoring of system to ensure reliability and efficiency.
Breakdown Maintenance – Rapid Support When You Need It
In the event of an unexpected system failure, Trimasys’ team of skilled engineers and technicians is available for urgent on-site support.
Prompt Deployment
Our engineers and technicians are strategically located across multiple regions to respond at short notice.
Expert Troubleshooting
Highly trained professionals with expertise in Control Systems and domain knowledge
Minimized Downtime
Rapid issue identification and resolution to ensure quick recovery and operational continuity.
Why Trimasys?
Why Trimasys?
Technical Expertise
Proven experience in PLC, DCS upgrade and migration
Proven experience in PLC, DCS upgrade and migration
Large Service Network
Rapid response and on-site support for manufacturing plants across multiple locations.
Global Standards Compliance
Ensuring our services meet industry safety, cybersecurity, and performance standards.
Cost-Effective & Scalable Solutions
Minimizing downtime and reducing operational costs with efficient maintenance strategies.
Why Trimasys?
Domain Expertise
Proven experience in PLC, DCS upgrade and migration
Large Service Network
Rapid response and on-site support for manufacturing plants across multiple locations.
Global Standards Compliance
Ensuring legacy system migration and upgradation meet industry safety, cybersecurity, and performance standards.
Cost-Effective & Scalable Solutions
Minimizing downtime and reducing operational costs with efficient maintenance strategies.
Control System Maintenance Services
Trimasys ensures system reliability and longevity through robust maintenance—offering preventive (AMC) services to minimize failures and breakdown support for immediate issue resolution.


Ensuring Proper Backup
Regularly backing up DCS/PLC programming and configurations to prevent data loss.
Detailed Engineering Design
Creating comprehensive documentation to streamline future system updates and troubleshooting.
Performance Enhancement
Regular monitoring and optimization of system parameters to improve reliability and efficiency.
Control System Health Monitoring
Periodic monitoring of system to ensure reliability and efficiency.
















