Pixsys ATR 142 - Absolute Alarm or Threshold Alarm referring to Setpoint Command (A.C.AL. selection); Band Alarm (b. AL. selection)

52 - ATR142 - User manual
13.b Absolute alarm or threshold alarm referring to
setpoint command (
a.c.aL.
selection)
O
On
Hysteresis
parameter
 > 0
O
Alarm Spv
Command Spv
Time
Alarm output
Absolute alarm refers to
the command set, with
the controller in heating
functioning (Parameter 11
act.t.
selected
Heat
) and
hysteresis value greater
than “0” (Parameter 28
a .1 . H y .
> 0).
The command set can be
changed by pressing the
arrow keys on front panel
or using serial port RS485
commands. *
13.c Band Alarm (
b .aL.
selection)
O
Hysteresis
parameter
 > 0
Alarm Spv
Alarm Spv
Command Spv
Time
Alarm output
Band alarm hysteresis
value greater than “0”
(Parameter 28
a .1 . H y .
> 0). *
O O O
Hysteresis
parameter
 < 0
Hysteresis
Pv
Alarm Spv
Command Spv
Time
Alarm output
Band alarm hysteresis
value less than “0”
(Parameter 28
a .1 . H y .
< 0). *