Yudian AI-526 - Page 31

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LdAL
Deviation low
alarm
Alarm on when PV-SV<LdAL; Alarm off when PV-SV>L dAL +AHYS
When the value set to Min. will disable this function HdAL and LdAL can also be used
as high limit and low limit alarms when needed. (Refer to the description of
parameter AF)
AH Y S
Alarm
hysteresis
Avoid frequent alarm on-off action because of the fluctuation of PV
0～2000
units
Ad I S
Alarm display
oFF : Will not display alarm message in the lower display window when alarming;
on : Alternately display alarm message in the lower display window when alarming.
oFF / on