230
6 PID CONTROL INSTRUCTION
6.1 PID Control Instruction (Inexact Differential)
*1 For the PID operational expression set in the operational expression selection, refer to the following.
MELSEC-Q/L/QnA Programming Manual (PID Control Instructions)
(s)+16
Operational
expression
selection
The same as Setting data for No. 1 loop
(s)+17
Sampling cycle
(T
S
)
(s)+18
Proportional
constant (K
P
)
(s)+19
Integral constant
(T
I
)
(s)+20
Derivative constant
(T
D
)
(s)+21
Filter coefficient (
)
(s)+22
MV lower limit
(MVLL)
(s)+23
MV upper limit
(MVHL)
(s)+24
MV change rate
limit (
MVL)
(s)+25
PV change rate
limit (
PVL)
(s)+26
(Fixed value)
(s)+27
Derivative gain
(K
D
)
(s)+28
(Fixed value)
(s)+29
(Fixed value)
Setting data for No. n loop
(s)+(m+0)
Operational
expression
selection
The same as Setting data for No. 1 loop
m=(n-1)
14+2
n: number of loops
(s)+(m+1)
Sampling cycle
(T
S
)
(s)+(m+2)
Proportional
constant (K
P
)
(s)+(m+3)
Integral constant
(T
I
)
(s)+(m+4)
Derivative constant
(T
D
)
(s)+(m+5)
Filter coefficient (
)
(s)+(m+6)
MV lower limit
(MVLL)
(s)+(m+7)
MV upper limit
(MVHL)
(s)+(m+8)
MV change rate
limit (
MVL)
(s)+(m+9)
PV change rate
limit (
PVL)
(s)+(m+10)
(Fixed value)
(s)+(m+11)
Derivative gain
(K
D
)
(s)+(m+12)
(Fixed value)
(s)+(m+13)
(Fixed value)
Device
Data item
Description
Setting range
Setting
side
Processing when the
setting data are outside
the setting range
With PID limits
Without PID
limits
Содержание MELSEC System Q
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