Delta AS Series Manual page 226

A S S er i es Mo d u le Ma n ua l
CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8
612 642 672
613 643 673
614 644 674 704 734 764 794 824
_7
615 645 675 705 735 765 795 825
7 - 3 0
CR#
702 732 762 792 822
703 733 763 793 823
Operand Function
(Td or K )
d
Derivate-action
Tf
time constant
PID formula
PID_EQ
types
The
calculation of
PID_DE the PID
derivative
error
Description Defaults
numbers. If the
calculated
coefficient D is
less than 0, Td_Kd
is 0. If Ti_Ki is 0, it
is not controlled by
D.
If the derivate-
action time
constant is less
than 0, Tf is 0 and
4.941
it is not controlled
by the derivate-
action time
constant.
0: independent
formula
0
1: dependent
formula
0: use the
variations in the
error (E) to
calculate the
control value of
the derivative
(derivative of
E). 0
1: use the
variations in the
PV to calculate
the control
value of the
derivative
(derivative of