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Appendix C
Fieldbus Parameters
FieldPoint FP-3000 User Manual
C-20
©
National Instruments Corporation
SP_RATE_DN
The rate, in PV units per second, the setpoint can be moved downwards. If
the setpoint moves faster than
SP_RATE_DN
, the block acts as if the setpoint
is moving downwards at the maximum rate with a status bit that indicates
that it is limited.
SP_RATE_UP
The rate, in PV units per second, the setpoint can be moved upwards. If the
setpoint moves faster than
SP_RATE_UP
, the block acts as if the setpoint is
moving upwards at the maximum rate with a status bit that indicates that it
is limited.
ST_REV
ST_REV
is incremented by one each time a static parameter is modified.
STATUS_OPTS
A collection of options that effects the status behavior of the block.
Table C-15 lists the status options.
Table C-15.
Status Options
Option
Meaning
IFS if Bad
IN
Set the status of the block output to initiate faultstate if the
IN
parameter goes bad.
IFS if Bad
CAS_IN
Set the status of the block output to initiate faultstate if the
CAS_IN
parameter goes bad.
Use
Uncertain
as
Good
Treat the
Uncertain
status on an input parameter as if it was
a
Good
status. Otherwise, Uncertain status is treated as bad.
Propagate Failure Forward
If the status of the
IN
parameter is
Bad::Device_Failure
or
Bad::Sensor_Failure
, propagate the failure to the
OUT
parameter and do not generate an alarm.
Propagate Failure Backward
If the status at
BKCAL_IN
or from the physical I/O channel is
bad, propagate it to
BKCAL_OUT
and do not generate an alarm.
Target to Manual if Bad
IN
Set the target mode of the block to Manual if the
IN
parameter
has a bad status.
Uncertain if Limited
Produce an output status of
Uncertain
if the transducer
value is limited.