6.7
Absolute Value High Alarm
Alarm output on
When PV>=POS1, DY1
starts timing.
When DY1 finishes timing, alarm sends out
signal output.
Alarm output off
When PV<=POS1-HYS1, alarm output stops.
Ex.
:
PV= present value
SV= set value
POS1= Alarm set point
DY1= Alarm delay time
SV=10
;
POS1=60
;
HYS1=5
;
DY1=5;
When PV>=60, DY1 starts timing.
When DY1 finishes timing, alarm
sends out signal output.
When PV<=55, alarm output stops.
23
Содержание PT-8320 Series
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