The following table lists the system parameters for the Action function block:
Parameter
Units
Description
ALGO_OPTS
None
The algorithm option is AbortOnReadErrors. When selected, the expression algorithm will abort after a read error.
BLOCK_ERR
The summary of active error conditions associated with the block. The possible block errors for the Action function block are:
Configuration Error - the expression is empty.
IN_D
The discrete input value and status.
Default values and data type information for the parameters are available by expanding the Parameter View window.