What is the +IOPS Option inGSD File Import Wizard for PN
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PROFINET IO Data Exchange Quality
PROFINET IO is based on the producer/consumer model. The I/O data that is
exchanged between CI871 and the devices is checked for quality.
The data is produced by one component and consumed by another component:
• For input data, the PNIO device is the producer and PNIO controller (PLC) is
• For output data, PNIO controller (PLC) is the producer and PNIO device is the
The producer or consumer definition is related to the submodule level where the
PNIO data is defined. The data contains the following two attributes (as shown in
• IOPS - IO Provider Status (status of the data provider).
• IOCS - IO Consumer Status (status of the data consumer).
A submodule is a producer or a consumer of PNIO data. The IOPS or IOCS status
indicates the quality of the PNIO data belonging to the same submodule.
IOPS and IOCS are sent with each IOCR in opposite directions. While the IOPS
indicates the status of the produced data, IOCS indicates if the consumer is in a
position to operate the data. IOPS is used by