Communication Module Fault

What does 7510 mean?

Cyclical communication between the drive and the master control system has been lost. This indicates a breakdown in fieldbus communication, which can lead to loss of control over the drive and the machinery it operates. Unresolved, this will prevent proper drive operation and could impact process stability.

• Loose or damaged fieldbus cable (e.g., Ethernet, Profibus DP) between the drive's communication module and the network switch/PLC.
• Incorrect fieldbus address or baud rate settings in drive parameters (e.g., P20-01, P20-02) not matching PLC configuration.
• Faulty termination resistor on the fieldbus segment (e.g., Profibus DP end device without termination).
• Communication module hardware failure (e.g., faulty transceiver chip or power supply).
• PLC or master controller communication port failure or timeout settings.

Click steps to track your progress.

1. 1

   Verify the physical connection of the fieldbus cable to the communication module's port (e.g., RJ45, D-sub). Check for secure seating and damage.

2. 2

   Confirm fieldbus address (e.g., P20-01) and baud rate (e.g., P20-02) settings in the drive match the PLC or master controller configuration.

3. 3

   Check network status LEDs on the communication module (e.g., Link/Act, Error LEDs); refer to module manual for LED interpretation.

4. 4

   Measure continuity of the fieldbus cable conductors and check for proper shielding connection. For Profibus, verify active termination at segment ends.

5. 5

   Attempt to ping the drive's IP address (for Ethernet-based fieldbus) from the master controller or a network diagnostic tool.