D V P 0 2 T K - S / D V P 0 2 T U - S T e m p e r a t u r e C o n t r o l M o d u l e M a n u a l
2 - 2 4
_2
SV
ON
OFF
PV
Dead band
Cooli ng
Cooling sensit iv it y
adj ust ment
Heat ing
H eat ing sensit iv it y
adjus tm ent
2.6
PID Control Mode
When the PV is in the range of ERR_DBW, the PLC will run the PID operation according to the E value. When the PV is
over the SV, the cross status will be established and the E value will be seen as 0 while running the PID operation until
the PV goes over the range of ERR_DBW. If PID_DE is True, the PLC will run the derivative of PV. When the cross
status is established, the Delta PV will be seen as 0 while running the derivative of PID operation. As the example shown
below, the PLC will run the PID operation in the section A and will see the values of E and Delta PV as 0 while running
the PID operation.
PID Formula:
Independent Formula & Derivative of E
(
PID_EQ
=False &
PID_DE
=False
)
Independent Formula & Derivative of PV
(
PID_EQ
=False &
PID_DE
=True
)
Содержание DVP02TK-S
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