User manual - ATR121/141 -
37
2
Pv
Comand Spv
Alarm Spv
Off
Off
Hysteresis
parameter
> 0
Time
Alarm
output
Comand Spv
Alarm Spv
Alarm Spv
Alarm Spv
Upper deviation alarm
value of alarm
setpoint less than “0”.
N.B.: hysteresis (par. 23
HY. a
|
Hys. a
) can not be
lower than 0.
Lower deviation alarm (
A. d.i
|
AL.D.i
selection)
1
Pv
Comand Spv
Off
Off
On
On
Hysteresis
parameter
> 0
Time
Alarm
output
Lower deviation alarm
value of alarm
setpoint greater than “0”.
N.B.: hysteresis (par. 23
HY. a
|
Hys. a
) can not be
lower than 0.
2
Pv
Comand Spv
Alarm Spv
Off
On
On
Hysteresis
parameter
> 0
Time
Alarm
output
Comand Spv
Comand Spv
Comand Spv
Comand Spv
Alarm Spv
Alarm Spv
Lower deviation alarm
value of alarm
setpoint less than “0”.
N.B.: hysteresis (par. 23
HY. a
|
Hys. a
) can not be
lower than 0.
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