8-19
IM 05P02D41-01EN
Control Functions
Deviation Derivative Type PID
The PID control method in which derivative action works for the deviation value = PV –
SP.
The following shows the deviation derivative type PID control computation formula.
e
e
P
OUT
+
+
dt
Td
e
= 100
Ti
1
dt
d
∫
•
•
where OUT: control output, e: deviation (PV-SP), P: proportional band, Ti: integral time,
and Td: derivative time
SP
PV
OUT
Setting Details
Parameter
symbol
Name
Display
level
Setting range
Menu symbol
ALG
PID control mode
PRO
0: Standard PID control mode
1: Fixed-point control mode.
CTL
8
8.3 Setting PID Control Mode (ALG)
Содержание UP35A
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