8
・LOOP ABNORMAL EVENT OUTPUT: Able to detect mis-attachment of the sensor.
Detecting function activates when the manipulated value lasts for a certain period either on its low or
high limit. On such condition ,EVENT OUTPUT turns ON.
In addition , the LOOP ABNORMAL EVENT will not provide any power failure compensation.
If the power falls down during detecting LOOP ABNORMAL EVENT OUTPUT, the time recorded
until such moment will be reset.
・OPERATION AT POWER ON:
RESET start... After the unit is activated from RESET mode, operation starts by pressing RUN/STOP key or RUN
Signal input.
OPERATION at
Power failure... In case of Power failure while the unit is running program, the unit runs program continuously if the
difference of the Process variable(PV) between
a)the one at Reset and b)the one before Power failure
limited within 10% or 10℃(18
). In
other cases, follow the same operation process of RESET start as described above.
Continuous operation...
10% of a) or 10℃(18
) ≦ a - b
・FUZZY Function: By Fuzzy logic, it compensates MV(Manipulation Value) worked out by PID control and controls
not to "Overshoot" or "Undershoot".
・FUZZY Strength: This means the strength of compensation (Strength 1 ～ 5) against MV worked out by PID
control.
Fuzzy strength 5 : Strongest compensation
Fuzzy strength 1 : Weakest compensation
・BLIND function: This function eliminates display of any mode.
・PROGRAM operation: It controls by the several patterns and steps(Inclination Straight line).
At the end of program, the display of Process variable(PV) indicates alternately
and .
Pattern...One pattern means One program.
Step......One step means one straight line consisted of one pattern.
Ramp Step...The step that Setting Value(SV) changes.
Soak Step...The step that Setting Value(SV) is stable.
Ramp step Soak step
Target Setting Value
step1 step2 step3 step4
・ RUN Signal Input:
RUN mode ... RUN operation starts when the external contact input is closed.
RESET mode.. RUN operation stops when the external contact input is open.
After Stop position, the operation starts from the top of pattern when the external contact is closed
again.
When the RUN signal input option is selected to be ON, RUN/RESET mode cannot be changed
from the operation key board.
PV
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