PROline Prosonic Flow 93 FOUNDATION Fieldbus 5 Discrete Output function block
Endress+Hauser 187
IO_OPTS OOS Activates the options for processing the input and output values of
the function block (I/O options).
Options:
• PV for BKCAL_OUT
For BKCAL_OUT_D, the value of PV_D parameter is used
instead of the SP_D parameter.
• SP-PV Track in MAN
SP_D follows PV_D in the MAN operating mode.
• SP-PV Track in LO
SP_D follows PV_D in the LO operating mode.
• Invert
Inverting of the output value OUT_D to the Transducer Block.
• Fault State to value
When security behaviour is initiated, FSTATE_VAL_D is used as
a setpoint value.
• Use Fault State Value on restart
During instrument startup, FSTATE_VAL_D is used as setpoint
value until a valid value is available.
• Target to MAN if Fault State activated
When security behaviour is initiated, the requested (Target)
operating mode of the MODE_BLK parameter group is set to
MAN, and the original target operating mode is lost. After
leaving the security behaviour, the block remains in MAN and
must be set to the desired operating mode by the user.
Factory setting:
Not enabled
MODE_BLK AUTO - MAN -
OOS - CAS -
RCAS
Displays the current (Actual) and desired (Target) operating mode
of the Discrete Output function block, the permitted modes
(Permitted) supported by the Resource Block and the normal
operating mode (Normal).
Display:
AUTO - MAN - OOS - CAS - RCAS
The Discrete Output function block supports the following
operating modes:
• AUTO (automatic mode):
The setpoint value specified by the user via the SP_D
parameter is used in the execution of the internal Discrete
Output algorithm.
• MAN (manual intervention by the operator):
The OUT_D parameter can be specified directly by the user.
• OOS (out of service):
The block has the status "Out of Service". The Discrete Output
algorithm of the block is not executed. The last valid value is
output at the OUT_D parameter and the status changes to
BAD.
• CAS (cascade mode):
Via the input or CAS_IN_D parameter, the Discrete Output
function block receives the setpoint value (for internal
calculation) directly from another function block. The internal
Discrete Output algorithm is executed.
• RCAS (remote cascade):
Via the RCAS_IN_D parameter, the Discrete Output function
block receives the setpoint value (for internal calculation)
directly from the fieldbus host system. The internal Discrete
Output algorithm is executed.
Discrete Output function block / base index 780
Parameter Write access
with operating
mode
(MODE_BLK)
Description
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