Table 8-25: PID Function Block System Parameters
(continued)
Parameter Index number Units Descriptions
LO_LO_PRI 54 None The priority of the LO LO
alarm.
LO_PRI 52 None The priority of the LO
alarm.
MATH_FORM 73 None Selects equation form
(series or standard).
MODE_BLK 05 None The actual, target,
permitted, and normal
modes of the block.
Target: The mode to go to
Actual: The mode the
block is currently in
Permitted: Allowed
modes that target may
take on
Normal: Most common
mode for target
OUT 09 EU of OUT_SCALE The block input value and
status.
OUT_HI_LIM 28 EU of OUT_SCALE The maximum output
value allowed.
OUT_LO_LIM 29 EU of OUT_SCALE The minimum output
value allowed.
OUT_SCALE 11 None The high and low scale
values, engineering units
code, and number of
digits to the right of the
decimal point associated
with OUT.
PV 07 EU of PV_SCALE The process variable used
in block execution.
RATE 26 Seconds The derivative action time
constant.
RCAS_IN 32 EU of PV_SCALE Target setpoint and
status that is provided by
a supervisory host. Use
when mode is RCAS.
Manual FOUNDATION
™
Fieldbus
00809-0500-4880 December 2022
Rosemount OCX8800A 173
To Next Page
Loading...
