
44 -
ATR243 - User manual
2
Alarm Spv
Off
Off
Off
On
On
On
Hysteresis
parameter
< 0
Hysteresis
parameter
Time
Alarm
output
Alarm Spv
Comand Spv
Band alarm hysteresis value less than “0” (par.
28
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.
11.d
Upper Deviation Alarm (
H.d.AL.
selection)
1
Pv
Comand Spv
Alarm Spv
Off
Off
Hysteresis
parameter
> 0
Time
Alarm
output
Alarm Spv
Comand Spv
Upper deviation alarm value of alarm setpoint
greater than “0” and hysteresis value greater
than “0” (par. 28
A.1.HY.
> 0). **
2
Pv
Comand Spv
Alarm Spv
Off
Off
On
On
Hysteresis
parameter
> 0
Time
Alarm
output
Comand Spv
Alarm Spv
Alarm Spv
Alarm Spv
Upper deviation alarm value of alarm setpoint
less than “0” and hysteresis value greater than
“0” (par. 28
A.1.HY.
> 0). **
Содержание ATR 243
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