Applicable Systems
TwinCAT NC
Symptoms
An invalid segment was used in a memory operation. The segment is not allocated or is out of range.
Possible Causes
- Segment identifier references unallocated memory
- Memory corruption or data structure mismatch affecting the segment
Troubleshooting Steps
- Step 1: Check the calling code for correct segment values
Invalid segment value is identified - Step 2: Verify the data structure or protocol specification matches the expected format
Data structure matches specification
How to Reset
To reset: Correct the segment value in the calling application and retry the operation.
Source: Beckhoff TwinCAT System Manual, Beckhoff Automation
Category: PLC & VFD