Integrating Remote Monitoring into Roll Forming Machines (Ewon, VPN & Cloud Guide)

Integrating Remote Monitoring (Ewon, VPN, Cloud)

Secure Remote Access & Real-Time Diagnostics for Roll Forming Machines

Modern roll forming operations demand:

• Faster fault diagnosis

• Reduced downtime

• Remote PLC access

• Real-time drive monitoring

• Production data visibility

• Multi-site machine oversight

Remote monitoring systems — using industrial routers such as Ewon, secure VPN gateways, or cloud-based IoT platforms — allow engineers to access:

• PLC programs
• VFD diagnostics
• HMI alarms
• I/O status
• Encoder feedback
• Production counters

However, improper remote integration can create:

• Cybersecurity risks

• Electrical noise problems

• Network instability

• Unauthorized access

• Safety vulnerabilities

This guide explains how to integrate remote monitoring correctly into roll forming and coil processing machines.

1️⃣ Why Remote Monitoring Is Valuable in Roll Forming

Roll forming machines often operate:

• In different countries

• In remote industrial zones

• With limited on-site technical expertise

Remote monitoring allows:

• Faster troubleshooting
• Reduced service travel cost
• Immediate VFD fault review
• Live PLC diagnostics
• Parameter adjustment
• Production performance tracking

High-speed roofing lines especially benefit from remote diagnostics.

2️⃣ Remote Monitoring Architecture Overview

Basic structure:

PLC / VFD → Industrial Router → Secure VPN Tunnel → Remote Engineer

Or:

PLC / Sensors → Edge Device → Cloud Platform → Dashboard

Three common approaches:

1. VPN router (e.g., Ewon-style solution)

2. On-premises secure VPN gateway

3. Cloud IoT data integration

Selection depends on security and complexity requirements.

3️⃣ Hardware Integration (Industrial Router)

Industrial remote access routers typically require:

• 24VDC power
• Ethernet connection to PLC
• Internet connection (wired or cellular)
• Secure configuration

Mount router inside control cabinet.

Provide dedicated 24V supply with proper surge protection.

4️⃣ Electrical Integration Considerations

Remote router installation must not:

• Share power with high-noise devices
• Be grounded improperly
• Interfere with control voltage stability

Use:

• Shielded Ethernet cable
• Separate routing from motor cables
• Proper cabinet earthing

Noise can corrupt communication.

5️⃣ PLC Integration Strategy

PLC must support:

• Ethernet communication
• Remote programming access
• Secure authentication

Configure:

• Static IP
• Defined communication port
• Access permissions

Avoid exposing PLC directly to internet.

Always use VPN tunnel.

6️⃣ VFD & Drive Remote Monitoring

Modern drives allow monitoring of:

• Motor current
• Torque
• Speed
• Fault codes
• DC bus voltage
• Temperature

Integration via:

• Modbus TCP
• Ethernet/IP
• Profinet

Remote visibility into drive parameters speeds troubleshooting.

7️⃣ Data Collection & Cloud Dashboards

Cloud platforms can collect:

• Production count
• Machine uptime
• Fault frequency
• Energy consumption
• Temperature trends

Benefits:

• Predictive maintenance
• Production optimization
• Multi-factory comparison

Cloud integration requires secure firewall configuration.

8️⃣ Cybersecurity Requirements

Remote monitoring introduces cybersecurity risk.

Best practices:

• Use VPN-based secure tunnel
• Enable two-factor authentication
• Disable unused ports
• Use strong password policy
• Isolate machine network from corporate network
• Install firewall rules

Never expose PLC directly to public IP.

9️⃣ Network Segmentation

Recommended architecture:

• Machine Network (PLC, Drives, HMI)
• ↓
• Industrial Router
• ↓
• Secure VPN Tunnel
• ↓
• Remote Access

Machine network must remain isolated from corporate network to reduce attack surface.

🔟 Remote Access Safety Rules

Remote engineer must NOT:

• Bypass safety circuits
• Override hardware interlocks
• Force outputs without on-site supervision

Always implement:

• Remote session logging
• Access control levels
• Permission-based access

Safety remains hardware-controlled.

1️⃣1️⃣ Monitoring Electrical Stability Remotely

Remote system can monitor:

• Voltage levels
• Phase imbalance (if power meter installed)
• Drive fault history
• 24V control voltage status

Early detection prevents downtime.

1️⃣2️⃣ Remote Encoder & Flying Shear Diagnostics

Remote access allows:

• Review of high-speed counter values
• Encoder pulse consistency
• Servo following error
• Shear synchronization timing

Remote diagnostics reduce costly travel for flying shear faults.

1️⃣3️⃣ Internet Connection Considerations

Stable connection required.

Options:

• Wired Ethernet
• Industrial cellular router (4G/5G)
• Dedicated broadband

Avoid unstable consumer-grade routers.

Industrial environments require industrial hardware.

1️⃣4️⃣ Commissioning Remote Access

Steps:

• Install hardware
• Configure VPN
• Test PLC connectivity
• Verify drive access
• Simulate remote login
• Confirm firewall rules
• Document credentials securely

Never leave default credentials active.

1️⃣5️⃣ Common Mistakes in Remote Integration

• Connecting PLC directly to public internet

• No VPN encryption

• No user access control

• Router powered from unstable source

• No updated network documentation

• No access logs maintained

Improper setup creates serious risk.

1️⃣6️⃣ Benefits of Proper Integration

• Reduced downtime

• Faster fault identification

• Improved parameter tuning

• Data-driven production analysis

• Remote firmware updates

• Better after-sales support

• Increased machine resale value

Remote capability enhances long-term value.

1️⃣7️⃣ When Remote Monitoring Is Not Recommended

Avoid remote integration if:

• No stable internet
• Poor cybersecurity environment
• Safety procedures not defined
• Unqualified remote access management

Security must be prioritized.

1️⃣8️⃣ Cost Considerations

Typical cost includes:

• Industrial router
• Configuration time
• Firewall setup
• VPN licensing
• Optional cloud platform subscription

Compared to international service travel, remote monitoring is cost-effective.

1️⃣9️⃣ Future-Proofing Strategy

Design remote system to allow:

• Future PLC upgrades
• Additional machine connections
• Energy monitoring integration
• Predictive maintenance modules

Scalable architecture prevents future redesign.

2️⃣0️⃣ Buyer Strategy (30%)

When purchasing a roll forming machine with remote monitoring, verify:

1. VPN encryption used

2. No direct public IP exposure

3. User access control implemented

4. Firewall configuration documented

5. Remote access logging active

6. Secure credential management

7. PLC program backup stored

8. Safety circuits independent of remote control

Red flags:

• “PLC connected directly to internet.”
• “Default passwords unchanged.”
• “No network documentation.”

Proper remote integration adds value — improper integration adds risk.

6 Frequently Asked Questions

1) Is remote access safe?

Yes, if VPN-secured and properly configured.

2) Can remote engineer change PLC logic?

Yes, with proper permissions.

3) Does remote monitoring affect machine performance?

No, if network isolated properly.

4) Can I monitor drive faults remotely?

Yes, via network-connected VFD.

5) Is cloud integration necessary?

Optional — depends on data needs.

6) Should safety circuits be remotely bypassed?

Never.

Final Engineering Summary

Integrating remote monitoring into roll forming machines requires:

• Secure VPN-based architecture

• Proper electrical integration

• Network segmentation

• Shielded communication wiring

• Stable 24V supply

• Controlled access permissions

• Documented configuration

Remote monitoring improves uptime, diagnostic speed, and operational visibility — but only when implemented with strong cybersecurity and electrical discipline.

In modern roll forming operations, remote diagnostics are becoming standard for high-value production lines.