Analog Control Blocks > Control Selector function block

Control Selector function block parameters

The following table lists the system parameters for the Control Selector function block:

Table: Control Selector function block system parameters
Parameter Units Description
ABNORM_ACTIVE None Indicates one of the following conditions:
  • A block error condition not selected in BAD_MASK at the function block level is True (Active).
  • An error condition at the module level not selected in MERROR_MASK is True (Active).
  • A module status not selected in MSTATUS_MASK is True (Active).
ALERT_KEY(1) None A user-assigned identification number reported in alarm messages from the block that allows HMI applications to sort and filter alarms and events. Set this parameter for each function block to indicate the physical unit the function block is associated with. This information can be used in the host for sorting alarms, and so on.
BAD_ACTIVE None The indication that a block error condition selected in BAD_MASK (at the function block level) is True (Active) or the indication that an error condition (at the module level) selected in MERROR_MASK is True (Active) or a module status selected in MSTATUS_MASK is True (Active).
BAD_MASK None The set of active error conditions that triggers a user-defined Bad condition. The user selects a subset of block error (BLOCK_ERR) conditions in the BAD_MASK parameter. When any of these conditions are True, the BAD_ACTIVE parameter becomes True. When any of the BLOCK_ERR conditions that are not included in BAD_MASK are True, ABNORM_ACTIVE becomes True.

BKCAL_IN

Determined by source

The analog input value and status from another block's BKCAL_OUT output that is used by an upstream block for bumpless transfer.
BKCAL_SEL1 EU of OUT_SCALE The selector output value associated with SEL_1 for backward output tracking.
BKCAL_SEL2 EU of OUT_SCALE The selector output value associated with SEL_2 for backward output tracking.
BKCAL_SEL3 EU of OUT_SCALE The selector output value associated with SEL_3 for backward output tracking.
BLOCK_ERR None The summary of active error conditions associated with the function block. The block error for the Enhanced Control Selector function block is: OOS (the function block is in Out of Service mode).
MODE None The mode record of the block. Contains the actual, target, permitted, and normal modes.
OUT EU of OUT_SCALE The analog output value and status.
OUT_HI_LIM EU of OUT_SCALE The maximum output value allowed.
OUT_LO_LIM EU of OUT_SCALE The minimum output value allowed.
OUT_SCALE None The high and low scale values, engineering units code, and number of digits to the right of the decimal point associated with OUT.
SEL_1 Determined by source The first input value to the selector.
SEL_2 Determined by source The second input value to the selector.
SEL_3 Determined by source The third input value to the selector.
SEL_TYPE None The selector type: High, Low, or Middle value.
ST_REV(1) None The revision level of the static data associated with the function block. To support tracking changes in static parameter fields, the associated block's static revision parameter is incremented each time a static parameter field value is changed. Also, the associated block's static revision parameter is incremented if a static parameter field is written but the value is not changed.
STATUS_OPTS(1) None Use status options to set how status is handled and processed. The available options are:

  • Use Uncertain as Good

  • IFS if Bad IN

STRATEGY(1) None Used to identify groupings of blocks. This data is not checked or processed by the block.
(1) This parameter is only visible when the function block is extended to a fieldbus device.
Note

Default values and data type information for the parameters are available by expanding the Parameter View window.

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