How to Set Up OPC/PLC Integrations

1. Download the OPC Service

• Download the latest OPC Service from the MVP One knowledge base.

2. System Requirements

• The OPC Service must be installed on or have network access to the OPC Server.
• ‍Connectivity: The OPC Service must communicate with MVP One cloud servers.

3. Configuration Set Up

Unzip the downloaded file and locate CMMSdg.OPC.PLCSignalRService.exe.config
Open it with a text editor and update the following:

• Customer Authentication
• OPC Server Credentials (UA Clients Only)
• App Settings
• Client Node

4. Install the OPC Service

• Run as Administrator: Execute install.cmd from the root folder
• Verify installation: Check that “MVP OPC Service” appears in Windows Services and is running

Adding a PLC Tag to MVP One

1. Log in to MVP One
2. ‍Navigate to Assets and select the record to attach the tag
3. Select Edit and scroll to the Meter section
4. Select Edit (or Add if no meter exists)
5. Click Attach PLC
6. ‍Enter OPC Host Name and click the globe icon
7. Select an OPC Server from the dropdown and browse available tags
8. Set the update frequency (in minutes) and click Save

Certificate Management

MVP OPC Client Certificate

• The MVP OPC Service Tray (in the system tray) provides status updates and certificate management
• If a certificate is rejected, highlight it and click Trust

OPC Server Client Certificate

• When setting up a PLC tag, the OPC Host Name lookup ensures authentication
• Ensure both MVP One and the OPC Server trust each other’s certificates

Troubleshooting Certificate Issues

• Some OPC servers require manual trust settings (e.g., Ignition OPC Server UI)
• If connections fail, check that the MVP PLC Service certificate is trusted

Best Practices

• Verify Connectivity: Ensure the OPC Service can communicate with both the OPC Server and MVP One
• ‍Keep Credentials Secure: Store login details in a secure location
• ‍Monitor Data Flow: Regularly check that meters update correctly in MVP One
• ‍Use Trusted Certificates: Always approve certificates for secure connections

If you need assistance setting up or troubleshooting OPC/PLC connections, contact MVP One Technical Support at support@mvpone.com.

Third-Party OPC/PLC Software: MVP One’s Support Team may have limited ability to assist with third-party integrations. For issues beyond MVP One, consult the administrator of your OPC/PLC Server.