FineTek PT-8320 Series, Руководство пользователя

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6.8

Absolute Value Low 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=60
；
POS1=10
；
HYS1=5
；
DY1=5;
When PV<=10, DY1 starts timing.
When DY1 finishes timing, alarm
sends out signal output.
When PV>=15, alarm output stops.
6.9 SErr Signal Error Alarm
Under this alarm mode, alarm will go off when PV encounters irregular condition.
When PV indicates [––––] – Sensor break
[U U U U] – Exceed low limit measuring range
[o o o o] – Alarm goes off if exceeding high limit measuring range
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