Pixsys ATR 121 Series - Alarm Intervention Modes; Absolute Alarm or Threshold Alarm (A. A Selection); Absolute Alarm or Threshold Alarm Referring to Command Setpoint (A.A.S Selection)

36 - ATR121 - User manual
12 Alarm intervention modes
12.a Absolute alarm or threshold alarm (
A. A
selection)
1
Alarm Spv
Pv
O
On On
O
Hysteresis
parameter
 > 0
Time
Alarm
output
Absolute alarm with
controller in heating
functioning (par. 11
reG.
come
Hea
) and hysteresis
(par. 23
HY. a
) in absolute
value.
2
Alarm Spv
O O
Hysteresis
parameter
 > 0
Time
Alarm
output
Absolute alarm with
controller in cooling
functioning (par. 11
reG.
come
coo
) and hysteresis
(par. 23
HY. a
) in absolute
value.
12.b
Absolute alarm or threshold alarm referring to
command setpoint (
A.A.S
selection)
1
O
On
O
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
) and hysteresis
(par. 23
HY. 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).