APS: NCB error %d with request of communication memory.

What does 897 mean?

A request for memory space via the dual port (identified by NCB error %d) could not be satisfied. This is a PLC error, indicating a critical memory allocation failure for communication, with no error recovery possible.

• Request for communication memory via the dual port could not be satisfied.

Click steps to track your progress.

1. 1

   Verify input power supply voltage and stability to the Bosch Rexroth Motion Control unit against specified ranges.

2. 2

   Inspect all communication modules and their associated bus cabling for proper seating, loose connections, or visible damage.

3. 3

   Check the PLC's diagnostic buffer and system logs for any preceding or co-occurring error messages providing context to the communication memory failure.

4. 4

   Verify the current firmware version of the Bosch Rexroth Motion Control system against manufacturer's latest recommendations and known issues.

5. 5

   Review the PLC application program for potential memory overruns or misconfigurations that might lead to communication memory allocation failures.