Ny-Series Instructions Reference Manual (W560 - Omron NY532-5400 Reference Manual

• If the most recent value of MV is smaller than the value of MV when the output control values were
determined, the output control values do not change. If the most recent value of MV is larger than the
value of MV when the output control values were determined, the most recent value is immediately
reflected in the output control values. For example, assume that the output control values were deter-
mined when the value of MV was 20% (ON 200 ms, OFF 800 ms). If after 100 ms, the new value of
MV is 30%, the output control values are immediately changed to turn the output ON for 300 ms and
OFF for 700 ms.
Output control value
PID processing
MV at this point: 20%
• If autotuning is performed and the value of MV is 100%, the output is immediately turned ON regard-
less of the control period.
Application Programming
LD
Variable
Run1 BOOL
ManCtl1 BOOL
StartAT1 BOOL
PV1 REAL
SP1 REAL
OprSetParams1 _sOPR_SET_PARAMS
InitSetParams1 _sINIT_SET_PARAMS
PB1 REAL
TI1 TIME
TD1 TIME
ManMV1 REAL
ATDone1 BOOL
ATBusy1 BOOL
Error1 BOOL

NY-series Instructions Reference Manual (W560)

1-s period
200 ms
ON
OFF
MV at this point: 30%
The output control values are
immediately changed to turn the
output ON for 300 ms and OFF
for 700 ms.
Data type
FALSE
FALSE
FALSE
0.0
90
(MVLowLmt:=0.0,
MVUpLmt:=100.0,
ManResetVal:=0.0,
MVTrackSw:=FALSE,
MVTrackVal:=0.0, StopMV:=0.0,
ErrorMV:=0.0, Alpha:=0.65,
ATCalcGain:=1.0, ATHystrs:=0.2)
(SampTime:=T#100ms,
RngLowLmt:=0.0,
RngUpLmt:=1000.0,
DirOpr:=FALSE)
10
T#0S
T#0S
0.0
FALSE
FALSE
FALSE
800 ms
100-ms period
Time
Initial value Retain
2 Instruction Descriptions
Comment
Execution condition
Manual/auto control
Autotuning execution condi-
tion
Process value
Set point
Operation setting parameters
Initial setting parameters
Proportional band
Integration time
Derivative time
Manual manipulated variable
Autotuning normal comple-
tion
Executing autotuning
Error
2
2-685