Simatic 505 SoftShop
9 - PID Loops
••••
171
rcew fghi jklm nopq
Description
0110 xxx0 10xx xxxx
PV/output inconsistent 2; Noisy
PV/output signal?
0110 xxx0 11xx xxxx
PV/output inconsistent 3; Noisy
PV/output signal?
0110 xxx1 00xx xxxx
PV/output inconsistent 4; Noisy
PV/output signal?
0110 xxx1 01xx xxxx
PV/output inconsistent 5; Noisy
PV/output signal?
Table 9-5 lists the value parameters used by SmarTune, with the default
values and the ranges possible for each.
Table 9-5 Value Parameters
Name
Default Value
Range
Max Time
30.0 minutes
0 to 71582 minutes
(maximum is about 49
days)
Noise Band
0.005 of PV range
PV range (engineering
units)
Step Change
0.07 of PV range
PV range (engineering
units)
Wait Time
0.5 minutes
same as Max Time
PIN
0 (PIN not required)
0 to 32767
Automatic Download
TRUE
TRUE/FALSE
Calculate Derivative
FALSE
TRUE/FALSE
Safe Output
use Previous Output
Previous Output, 0 to
32000
High Stop
0.8 of PV range
PV range (engineering
units)
Low Stop
0.2 of PV range
PV range (engineering
units)
Largest Gain
8000000.0 %/%
real
Smallest Gain
0.0000008 %/%
real
Largest Reset
8000000.0 minutes
real
Smallest Reset
0.0000008 minutes
real
Largest Rate
8000000.0 minutes
real
Smallest Rate
0.0000008 minutes
real
Activation Time Slice
0
0:not configured here, 1
to 255 ms
Calculation Time Slice
0
0:not configured here, 1
to 255 ms
Table 9-5 Value Parameters