ID 42012

FB error: platform specific PLCopen interface couldn't adopt a new request. Request FIFO full.

Description

Jobs of platform-specific PLCopen function blocks are managed by a FIFO. The size of this FIFO is fixed (HLI_PLCO_PF_REQUEST_NUM). If more jobs are written to the FIFO in a PLC cycle than the space available, this error code is output to the function block whose job can no longer be sent to the motion controller.

Response

Class

-

The order is dismissed by the function block and not issued to the motion controller.

Solution

Class

-

Check if it’s necessary that more orders has to be send to the motion controller within a PLC cycle as places in the FIFO are available to solve your motion task.

Error type

-