Optional process data objects

The following process data objects are disabled in the factory settings. You can enable them in TwinCAT via the "Process Data" tab.

AI Control Channel n

PDO indices 0x1600, 0x1602, 0x1604, ...

Optional process data objects 1:

Tare
Set the current measured value as the tare value.

Peak Hold Reset
Reset the drag indicator of the "Peak Hold" functional unit to zero.

AI Standard Channel n

PDO indices 0x1A00, 0x1A02, 0x1A04, ...

Optional process data objects 2:

Underrange
Value below measuring range.

Overrange
Measuring range exceeded.

Limit 1
Indicates whether the current measured value is above or below the user-defined limit value 1.

Limit 2
Indicates whether the current measured value is above or below the user-defined limit value 2.

Error
Error.

Tare Active
Indicates that the measured value "Value" is currently offset by the tare function.

TxPDO State
This bit is 1 if the current measured value is invalid due to an error.

TxPDO Toggle
This bit is inverted each time the measured value is updated.

Value
The current measured value as data type INT. For the interpretation of the measured value, see the following chapters:

AI Compact Channel n

PDO indices 0x1A01, 0x1A03, 0x1A05, ...

Optional process data objects 3:

AI Compact (Real32) Channel n

PDO indices 0x1A11, 0x1A13, 0x1A15, ...

Optional process data objects 4: