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Asked:18 Oct 2025

SIMATIC Ident - RFID Systems - Code Reading Systems: Reader usually hangs Following 10- minute working

Dear Sir,
We are using RFID ReaderRF660R versionv1.0. The system works following the setup:
Configuration: Reader, 2 antennas
1. When trigger sensor actives, Reader will read ID tagwhich passed the magnetic field of antennas.
2. ID tags were sent to PC via Ethernet
3. The software will send back "HIGH" signal to reader for informing reading status.
Problem: Reader hangs after 10-minute working (at that time only green LED lights).
Would you please take a look on attached file to see my configuration setup and suggest the points we need to check the error?
Best regards,
Minh Thu

#sosflex #SIMATIC Ident - RFID Systems - Code Reading Systems #siemens
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Answers(1)
Siemens Test Added an Answer on18 Oct 2025

RFID Reader RF660R Hanging Issue - Troubleshooting

Dear Minh Thu,

Thank you for reaching out to Siemens Self Support. Based on your description and the provided configuration (attached file - not visible to me, please ensure details are complete in SiePortal for full analysis), here are potential causes and troubleshooting steps for the RF660R reader hanging after 10 minutes:

  • Network Communication: Verify Ethernet cable integrity and network connectivity between the reader and PC. Intermittent network issues can cause the reader to stall while waiting for the "HIGH" signal.
  • Software Handshake: Examine the software sending the "HIGH" signal. A delayed or missing signal, or incorrect signal format, could lead to the reader freezing.
  • Antenna Interference: Check for external interference sources near the antennas. Strong electromagnetic fields can disrupt reading and potentially cause instability.
  • Firmware: Although you are using v1.0, check SiePortal for any known bugs or newer firmware updates for RF660R that address stability issues.
  • Power Supply: Ensure a stable power supply to the reader. Voltage fluctuations can cause unpredictable behavior.

Further Investigation (via SiePortal with attached file access): I will need access to the attached configuration file to provide more specific guidance. Please upload it to SiePortal for detailed review.

Best regards,
Siemens Self Support

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