Remote PLC Maintenance — Faster Service, Zero Travel
Securely troubleshoot, program, and update PLCs from anywhere via RoltekConnect Cloud. Reduce downtime, cut site visits, and keep production on schedule.
- The Challenge
Keep Your PLCs Running Without Downtime
Unplanned downtime and delayed on-site support can halt production and inflate costs.
Traditional VPNs are complex to manage, often lack granular access control, and make compliance auditing difficult.
The RoltekConnect Cloud Advantage

Industrial-grade security
Encrypted VPN tunnels, zero-trust policies, and fine-grained role-based access.

Faster interventions
Connect to PLCs within minutes for diagnostics, backups, and firmware changes.

Centralized control
Manage users, assets, sessions, and audit logs from a single portal.

No lock-in
Works with mixed vendor environments and legacy interfaces.
- TASK OVERVIEW
Typical Remote Tasks
Common actions technicians perform securely over RoltekConnect Cloud.
- Online diagnostics & fault finding
- Program upload/download & versioning
- Firmware updates & patching
- Backup/restore, compare & merge
- HMI/SCADA parameter changes
- Performance checks after maintenance
Compatible PLC Brands











- Compatibility
Compatibility
Fully compatible with industry-standard engineering tools.

Compatible PLC Brands

Supported Engineering Platforms

Communication Interfaces & Protocols
- Process
How It Works
Three simple steps technicians follow to securely access and operate through RoltekConnect Cloud.
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1
Connect
Technician authenticates to RoltekConnect Cloud and requests access to a site.
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2
Authorize
Admin approves access; just-in-time policies open the path to the target PLC/HMI.
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3
Operate
Technician uses their native tooling (TIA Portal, Studio 5000, GX Works, etc.) over the encrypted session.
Compatibility
Works across leading PLC vendors, engineering tools, and industrial interfaces.
PLC Vendors
Engineering Tools
Interfaces / Protocols
Edge Hardware
- RESULTS
55% Fewer On-Site Interventions
With RoltekConnect Cloud, the service team cut on-site interventions by 55% in one week and rolled out standardized remote firmware updates across 18 machines.
Mini Case Snapshot
OEM packaging line — multi-site
After deploying RoltekConnect, the service team reduced on-site interventions by 55% and performed standardized firmware updates remotely across 18 machines in a single week.
Measurable Outcomes
It delivers Industrial Security. It employs Zero-Trust policies and device-specific Role-Based Access Control.
It eliminates on-site waiting times by connecting to PLCs within minutes. It reduces the Mean Time To Repair (MTTR) by up to 70%.
It is Vendor-Agnostic (No Lock-in). It supports all major engineering platforms, including TIA Portal and Studio 5000, as well as mixed-brand environments.
Yes. All operations are encrypted and centrally controlled, monitored, and logged via administrator-approved “Just-in-Time” access.
It maintains detailed Audit Logs of all access and transactions. This supports regulatory compliance and audit-ready operations.
- FAQ
Frequently asked questions
Learn more about how RoltekConnect Cloud helps your team connect securely and scale easily. If you don’t see your answer here, our support team is ready to help.