User manual - ATR121/141 -
35
13 Alarm intervention modes
Absolute alarm or threshold alarm (
A. A
|
AL.A.
selection)
1
Alarm Spv
Pv
Off
On
On
Off
Hysteresis
parameter
> 0
Time
Alarm
output
Absolute alarm with
controller in heating
functioning (par. 11
reG.
come
Hea
|
Hea t
) and
hysteresis (par. 23
HY. a
|
Hys. a
) in absolute value.
2
Alarm Spv
Off
Off
Hysteresis
parameter
> 0
Time
Alarm
output
Alarm Spv
Absolute alarm with
controller in cooling
functioning (par. 11
reG.
come
co o
|
co oL
) and
hysteresis (par. 23
HY. a
|
Hys. a
) in absolute value.
Absolute alarm or threshold alarm referring to command
setpoint (
A.A.S
|
AL.A.S.
selection)
1
Off
On
Off
Time
Alarm Spv
Hysteresis
parameter
> 0
Alarm
output
Comand Spv
Absolute alarm refers to
the command set, with
the controller in heating
functioning (par. 11
reG.
come
Hea
|
Hea t
) and
hysteresis (par. 23
HY. a
|
Hys. a
) in absolute value.
The command set can
be modifi ed pressing
the arrow keys or using
the serial port RS485
commands.
(only on ATR121/141-ADT).
Summary of Contents for ATR 121
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