Invalid block-transfer request type
Allen-Bradley · Logix 5000
What does 00EE mean?
The type of block-transfer request is not consistent with the expected BT_READ or BT_WRITE types. This indicates an incorrect command type was issued for the block transfer.
Common Causes
- The type of block-transfer request is not consistent with the expected BT_READ or BT_WRITE
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify the `MSG` instruction configuration, specifically the 'Message Type' (BT_READ/BT_WRITE) and 'Data Table Address' for consistency.
- 2
Inspect the target intelligent module's configuration in the I/O tree to ensure it aligns with the block-transfer request type.
- 3
Review the ladder logic or structured text associated with the `MSG` instruction for any conditions that could issue an incorrect command type.
- 4
Check for controller and module firmware compatibility issues related to block transfer operations.
- 5
Verify the data structure (tag) utilized by the `MSG` instruction matches the expected format for the block transfer.