36
[Action after power failure is restored]
(1) If the power failure occurs during program control run, the control resumes
from the point at which power failure occurred.
(2) If the power failure occurs during program standby mode, the control resumes
from the program standby mode.
[Indication during Wait action]
PTN display
:
Selected program pattern number
PV display
: Current actual temperature
STEP display : Blinks during Wait action.
SV display
: Current step temperature
RUN indicator : Lit during program control
Other indicators: Lit or unlit according to the
controller status
[Wait function]
During the program control run, the program does not proceed to the next step
until the deviation between PV and SV enters SV Wait temperature when the
step ends.
While the Wait function is working, the numeric value on the Step display blinks.
The Wait function is cancelled on the condition that:
(SV – Wait temperature) PV (SV + Wait temperature)
When the program pattern is rising
[The Wait function is cancelled at
(SV – Wait temperature) PV]
[Fig. 7.2-3]
: Program pattern
: PV
: Program pattern which is delayed as much as T time due to
Wait function
T : Wait time
PTN
PV
Actual temp.
STEP
SV
Step SV
Blinks during WAIT action.
SV=500
490
T
T
510
Wait temperature 10
C
Wait cancellation range
The control proceeds to the next
step at 490 PV.
C
The step at which
the Wait funtion
was set
Temperature
C
