Block-transfer request in progress

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A block-transfer request is currently in progress, and a response is required before another request can be initiated. This indicates an attempt to start a new transfer before the previous one completed.

• There is currently a block-transfer request in progress and a response is required before another request can begin

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1. 1

   Inspect the Logix 5000 program logic associated with the block transfer instruction (e.g., MSG) to ensure proper sequencing and completion monitoring before re-enabling.

2. 2

   Monitor the status bits (e.g., .EN, .DN, .ER) of the block transfer instruction in Studio 5000 Logix Designer to observe its execution cycle and verify proper reset logic.

3. 3

   Verify the configuration of the block transfer instruction, including the communication path, data size, and target device address, for any discrepancies.

4. 4

   Check the operational status and responsiveness of the target device with which the Logix 5000 controller is attempting the block transfer.