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This dataset properties tab controls the IO direction of the data.
This defines the direction of the data, relative to DeltaV. All input datasets will be scanned by the VIM and output datasets will be written when a state change (i.e., a register value changes) is detected.
This controls how much of the dataset is written when a register changes state. In all cases, outputs are only written when a register value changes. The following output modes are valid:
0 - Block Output Mode
If any register changes value, all registers in the dataset will be written out to the field device.
1 - Single Register Output Mode
If a register changes value, only that register is written to the field device. All other registers retain their current state.
When this option is enabled, the output dataset behaves as a bi-directional dataset. This means that the dataset is a part of the VIMs input scan list. If the field device changes a value in this dataset, DeltaV will be able to detect the change. When DeltaV changes register values in this dataset, they are written to the device, according to the Output Mode setting. Note that for Output datasets with readback, pending output changes always have precedence over reading inputs.