Mitsubishi Electric MELSEC System Q, Special Instructions Manual

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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