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Parameters of PID and PID2
Relative
Index
Parameter
Index
24
8024
RESET
25
8025
BAL_TIME
26
8026
RATE
27
8027
BKCAL_IN
28
8028
OUT_HI_LIM
29
8029
OUT_LO_LIM 0
30
8030
BKCAL_HYS
31
8031
BKCAL_OUT
32
8032
RCAS_IN
33
8033
ROUT_IN
34
8034
SHED_OPT
35
8035
RCAS_OUT
36
8036
ROUT_OUT
37
8037
TRK_SCALE
38
8038
TRK_IN_D
39
8039
TRK_VAL
40
8040
FF_VAL
Table 65 PID Block Parameters (Continued)
Default
Name
(factory
setting)
10
0
0
0
100
0
—
0
—
1
—
—
0-100%
Write
—
Integration time (seconds).
Unused.
Derivative time (seconds)
Readback of control output
Upper limit for control output (OUT)
Lower limit for control output (OUT)
Hysteresis for release from a limit for
OUT.status.
–
Read-back value to be sent to the BKCAL_IN
of the downstream block.
Remote setpoint set from the host computer.
Remote control output value set from a
computer, etc.
Defines the mode shedding actions, namely,
the changes to be made to MODE.BLK.target
and MODE.BLK.actual when (1) the value of
RCAS_IN.status becomes Bad if
MODE_BLK.actual = RCAS, or when (2) the
value of ROUT_IN.status becomes Bad if
MODE_BLK.actual = ROUT.
–
Remote setpoint sent to a host computer, etc.
–
Remote control output value.
Man
Upper and lower scale limits used to convert
the output tracking value (TRK_VAL) to
non-dimensional.
Switch for output tracking.
Output tracking value. When
MODE_BLK.actual = LO, the value scaled from
the TRK_VAL value is set in OUT.
Feed-forward input value. The FF_VAL value is
scaled to a value with the same scale as for
OUT, multiplied by the FF_GAIN value, and
then added to the output of the PID
computation.
207
Function Block Parameters
Description
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