Mitsubishi Electric MELSEC-Q series Programming Manual page 25

■PID Control Instruction List
Category Instruction Ladder Format
Symbol
PID control PIDINIT
data setting
PID PIDCONT
operation
Monitoring PID57
Operation PIDSTOP
stop
Operation PIDRUN
start
Processing Details
Sets the PID control data stored in the
word device (designated by ).
S
Executes PID operation with the SV (set
value) and the PV (process value)
designated by and stores the PID
S
operation results in the MV (manipulated
value) area of the word device
designated by .
S
Monitors the PID operation results for the
AD57 (S1) (designated by ).
n
: First I/O number of the AD57(S1)
n
: Monitor screen number
S1
1: Loop 1 to loop 8
2: Loop 9 to loop16
3: Loop17 to loop24
4: Loop25 to loop32
: Initial screen display request
S2
Stops the PID operation at the loop
number designated by .
n
Starts the operation at the loop number
designated by .
n
Execution Number Subset
Condition of Basic Process
Steps ing
2 -
2 -
4 -
2 -
2 -
3 PID CONTROL SPECIFICATIONS
3.2 PID Control by Complete Derivative
Page
Page 72
PID control
data
settings
3
Page 74
PID control
Page 76
Monitoring
PID control
status
(QnACPU
only)
Page 78
Operation
stop/start
of
designated
loop no.
Page 78
Operation
stop/start
of
designated
loop no.
23