Mitsubishi MELSEC-Q series Programming Manual page 109

Set Data
Block diagram
The processing block diagram of the S.PIDP instruction is shown below.
(The numerals (1) to (10) in the diagram indicate the order of the processing.)
RH, RL
E1
(1) (2)
E2
SV setting Tracking
processing processing
(When
used)
(10)
Control
CT
RUN(SPA 0)
cycle
judgment
(9)
RUN(SPA 0)
Loop
stop
STOP(SPA 1)
judgment
SPA MAN
MODE
ERRI DVLI
DVLA
ERRI MHI
ERRI MLI
ERRI DMLI
MHA
MLA
DMLA
DV P, I, D, MTD, CT
GW,GG
(3) (4)
Gain K
p
PID
operation
operation
processing
(6)
Mode
When in control
judgment
cycle
When not in control
cycle
(6)
Alarm clear
processing
(9)
Last BW
Loop stop
processing All OFF
MH, ML,
DVL, DVLS
DML
(5) (7)
Change
Deviation
rate,
check
upper/lower
limiter
Other than MAN, CMB
CMV, LCM
MAN, CMB AND
CMV, LCM
All OFF
S.PIDP
MV NMIN, NMAX
(8)
Output
conversion
Upper limit alarm
Lower limit alarm
Change rate alarm
AND
AND
AND
OR
107
9
2
3
BW
4
BB2
4
6
7
8
BB3
BB4
BB5
BB1