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I can’t see any data – Troubleshooting Guide

  1. Device is not connected or not fully registered
    1. Device is not registered in Device Management Service
    2. Proficloud services are not enabled in the device Web Based Management (WBM)
    3. Controller time is incorrect
    4. Connection fails due to firmware issues
  2. Device is connected, but no metrics are shown: No data has been sent yet
  3. Variables in PLCnext Engineer are not configured for Proficloud/IoT
  4. Time Series Data is not enabled in WBM (device specific)
  5. Quick verification flow (fastest path)

Device registered but no data in Time Series Data Service.

You registered a device on Proficloud.io, but you cannot see any data in the Time Series Data Service. Work through this checklist. In most cases, it will help you make your metrics appear and start streaming.


Device is not connected or not fully registered

For metrics to appear in the metrics list and in TSD, the device must be connected and actively sending data.

Device is not registered in Device Management Service

Metrics can only become visible once the device is registered in the Device Management Service.

Check

  • In Proficloud.io, confirm the device shows up in Device Management Service

Proficloud services are not enabled in the device Web Based Management (WBM)

Open the device WBM and go to:

Configuration → Proficloud Services

Check

  • Enable Connection
  • Enable at least Device Management

Controller time is incorrect

Correct time settings are required for a stable connection.

Check

  • Verify date, time, and time zone on the controller
  • If available, use NTP time synchronization

Connection fails due to firmware issues

If WBM shows connection errors, firmware can be the root cause.

Fix

  • Update the device firmware to at least 2024.0.0 LTS to improve connection stability.

Device is connected, but no metrics are shown: No data has been sent yet

Device Management Service can only list metrics after they have been sent at least once.

Typical scenario

  • Variables are defined in PLCnext Engineer, but no real values are produced yet (for example because the signal or sensor is not connected).
  • Result: Device Management Service shows no metrics because nothing has been transmitted.

Check

  • Make sure the variable actually changes or produces values at runtime
  • Confirm the application is running on the controller and generating data

Variables in PLCnext Engineer are not configured for Proficloud/IoT

Variables must be configured correctly in PLCnext Engineer to be exposed as metrics.

Check

  • Define the variable as an Outport
  • Enable the flag for IoT and or Proficloud (depending on your PLCnext Engineer version)

Time Series Data is not enabled in WBM (device specific)

On some devices (for example AXC F x152), Time Series Data must be enabled separately.

Open the device WBM and go to:

Configuration → Proficloud Services

Check

  • Enable Time Series Data

Quick verification flow (fastest path)

  1. Device Management Service registration: Device is visible in Device Management Service
  2. WBM settings: Connection + Device Management enabled
  3. Time settings: Controller time is correct
  4. Firmware: At least 2024.0.0 LTS
  5. Data generation: Values exist and have been sent at least once
  6. PLCnext Engineer: Variables are Outports and marked for IoT/Proficloud
  7. Time Series Data enabled (if required): Time Series Data checked in WBM

If you still do not see data after these steps, capture screenshots of:

  • WBM → Proficloud Services page
  • DMS device status page
  • PLCnext Engineer variable configuration and use them for support from the Proficloud.io-Team.