Applicable Systems
TwinCAT NC
Symptoms
An invalid request was received by the system. The request is malformed or unsupported.
Possible Causes
- Incoming request does not conform to the protocol specification
- Memory corruption or data structure mismatch affecting the request
Troubleshooting Steps
- Step 1: Check the calling code for correct request values
Invalid request 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 request value in the calling application and retry the operation.
Source: Beckhoff TwinCAT System Manual, Beckhoff Automation
Category: PLC & VFD