Integral term (ti) settings, Derivative term (td) settings – Watlow CLS User Manual
Page 112
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104 CLS User’s Guide
PID Tuning and Control
Integral Term (TI) Settings
This table shows TI settings vs. Reset settings.
As a general rule, use 60, 120, 180, or 240 as a starting value for the TI.
Derivative Term (TD) Settings
This table shows Derivative term (TD) versus Rate Minutes (RM);
Rate=TD/60.
As a general rule, set the TD to 15% of TI as a starting value.
TI
(secs./repeat)
Reset
(repeats/min)
TI
(secs./repeat0
Reset
(repeats/min)
30
2.0
210
0.28
45
1.3
240
.25
60
1.0
270
.22
90
.66
300
.20
120
.50
400
.15
150
.40
500
.12
180
.33
600
.10
TD
(secs./repeat)
Rate
(repeats/min)
TD
(secs./repeat)
Rate
(repeats/min)
5
.08
35
.58
10
.16
40
.66
15
.25
45
.75
20
.33
50
.83
25
.41
55
.91
30
.50
60
1.0
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