44 ATR171 -
User manual
12.d
Upper Deviation Alarm (selection
H.d.aL.
)
1
Upper deviation alarm value of alarm
setpoint greater than “0” and hysteresis
value greater than“0” (par. 36
a.1.Hy.
> 0). **
2
Upper deviation alarm value of alarm
setpoint minor than “0” and hysteresis
value greater than “0” (par. 36
a.1.Hy.
> 0). **
12.e
Lower Deviation Alarm (selection
L.d.aL.
)
1
Lower deviation alarm value of alarm
setpoint greater than “0” and hysteresis
value greater than “0” (par. 36
a.1.Hy.
> 0). **
2
Lower deviation alarm value of alarm
setpoint minor than “0” and hysteresis
value greater than “0” (par. 36
a.1.Hy.
> 0). **
** a) The example refers to alarm 1; the function can also be enabled for alarm 2 and 3 on models that include
it. b) With hysteresis value less than “0” (
A.1.HY.
< 0) the dotted line moves over the alarm setpoint.
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